What makes a highly valued docker expert?

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What exactly do we need to know about to manage docker effectively? What are the main pain points?

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The basics aren’t tough. You need to know the anatomy of a Dockerfile, and how to setup a docker-compose.yml to ease the headache of docker run. You also should know how to manage docker images, and us docker ps to find out what’s currently running. And get an interactive shell (docker exec -it imageid). You’ll also make friends with inspect. But what else?

1. Manage image bloat

Docker images can get quite large. Even as you try to pair them down they can grow. Why is this?

Turns out the architecture of docker means as you add more stuff, it creates more “layers”. So even as you delete files, the lower or earlier layers still contain your files.

One option, during a package install you can do this:

RUN apt-get update && apt-get install -y mypkg && rm -rf /var/lib/apt/lists/*

This will immediately cleanup the crap that apt-get built from, without it ever becoming permanent in that layer. Cool! As long as you use “&&” it is part of that same RUN command, and thus part of that same layer.

Another option is you can flatten a big image. Something like this should work:

$ docker export 0453814a47b3 | docker import – newimage

Related: 30 questions to ask a serverless fanboy

2. Orchestrate

Running docker containers on dev is great, and it can be a fast and easy way to get things running. Plus it can work across dev environments well, so it solves a lot of problems.

But what about when you want to get those containers up into the cloud? That’s where orchestration comes in. At the moment you can use docker’s own swarm or choose fleet or mesos.

But the biggest players seem to be kubernetes & ECS. The former of course is what all the cool kids in town are using, and couple it with Helm package manager, it becomes very manageable system. Get your pods, services, volumes, replicasets & deployments ready to go!

On the other hand Amazon is pushing ahead with it’s Elastic Container Service, which is native to AWS, and not open source. It works well, allowing you to apply a json manifest to create a task. Then just as with kubernetes you create a “service” to run one or more copies of that. Think of the task as a docker-compose file. It’s in json, but it basically specifies the same types of things. Entrypoint, ports, base image, environment etc.

For those wanting to go multi-cloud, kubernetes certainly has an appeal. But amazon is on the attack. They have announced a service to further ease container deployments. Dubbed Amazon Fargate. Remember how Lambda allowed you to just deploy your *code* into the cloud, and let amazon worry about the rest? Imaging you can do that with containers, and that’s what Fargate is.

Check out what Krish has to say – Why Kubernetes should be scared of AWS

Related: What’s the luckiest thing that’s happened in your career?

3. Registries & Deployment

There are a few different options for where to store those docker images.

One choice is dockerhub. It’s not feature rich, but it does the job. There is also Quay.io. Alternatively you can run your own registry. It’s as easy as:

$ docker run -d -p 5000:5000 registry:2

Of course if you’re running your own registry, now you need to manage that, and think about it’s uptime, and dependability to your deployment pipeline.

If you’re using ECS, you’ll be able to use ECR which is a private docker registry that comes with your AWS account. I think you can use this, even if you’re not on ECS. The login process is a little weird.

Once you have those pieces in place, you can do some fun things. Your jenkins deploy pipeline can use docker containers for testing, to spinup a copy of your app just to run some unittests, or it can build your images, and push them to your registry, for later use in ECS tasks or Kubernetes manifests. Awesome sauce!

Related: Is Amazon Web Services too complex for small dev teams?

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Curve ball technology questions and solutions

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I’ve been on the phone with a lot of companies lately. You might be surprised that some of the challenges firms struggle with in the cloud, are repeated over and over.

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I put together some of the most common ones I’ve heard, and my thoughts on the right solution.

1. How would you load test?

Here’s an interesting question. Do you talk about tools? How do you approach the problem?

The first thing I talk about is simulating real users. If your site normally has 1000 active users, how will it behave when it has 5000, 10,000, 100,000 or 1million? We can simulate this by using a load testing tool, and monitoring the infrastructure and database during that test.

But how accurate are those tests? What do active users do? Login to the site? Edit and change some data? Where do active users spend most of their time? Are there some areas of the site that are busier than others? What about some dark corner of the site or product that gets less use, but is also less tuned? Suddenly a few users decide that want that feature, and performance slides!

Real world usage patterns are unpredictable. There is as much art as science to this type of load testing.

Related: 30 questions to ask a serverless fanboy

2. Why is Amazon S3’s 99.999999999% promise *not* enough??

I’ve heard people say before that S3 is extremely reliable. But is it?

According to their SLA, the durability guarantee is 11 nines. What does this mean? Durability is confidence that a file is saved. That you will not lose it. It’s on storage, and that storage has redundant copies. Great. You can be confident you will never lose a file.

What about uptime? That SLA is 99.99% or an hour a month. Surprise! That amounts to an hour of DOWNTIME per month. And if your product fails when S3 files are missing, guess what, your business is down for an hour a month.

That’s actually quite a *lot* of downtime.

Solution: You better be doing cross-region replication. You have the tools and the cloud, now get to work!

Related: What’s the luckiest thing that’s happened in your career?

3. Why is continuous integration not about tools?

I hear a lot of talk about continuous integration. I’ve even seen it as a line item on a todo list I was handed. Hmmm…

I asked the manager, “so it says here setup CI/CD. Are there already unit tests written? What about integration tests?” Turns out the team is not yet on board with writing tests. I gently explain that automated builds are not going to get very far without tests to run. πŸ™‚

CI/CD requires the team to be on-board. It’s first a cultural change in how you develop code.

It means more regular code checkins. It means every engineer promises not to break the build.

It means write enough tests for good code coverage.

Related: How I use progress reports to achieve consulting success

4. What can VPC peering do for you?

Amazon has made VPC peering a lot easier. But what the heck is it?

In the world of cloud networking, everything is virtual. You have VPCs and inside those you have public and private subnets. What if you have multiple AWS accounts? VPC peering can allow you to connect backend private subnets, without going across the public internet at all.

As security becomes front & center for more businesses, this can be a huge win.

What’s more it’s easier now because it is semi managed by AWS.

Related: Is upgrading Amazon RDS like a sh*t storm that will not end?

5. Why go with a New York based resource?

As more and more small startups put together teams to build their MVP, the offshore market has never been hotter. And there are very talented engineers in faraway places, from Eastern Europe, to India and China. And South America too.

At β…“ to ΒΌ the price, why hire US based people? Well one reason might be compliance. If you have sensitive data, that must be handled by US nationals, that might be one reason.

Why New York based? Well there is the value of being face-to-face and working side by side with teams. It may also ease the language barrier & communication. And timezone challenges sometimes make communication difficult.

And lastly ownership. With resources that are focused solely on you, and for which you are a big customer, you’re likely to get more personalized focused attention.

Related: Is Amazon Web Services too complex for small dev teams?

6. What are some common antipatterns in the cloud

Antipatterns are interesting. Because you see them regularly, and yet they are the *wrong* way to solve a problem, either they’re slower, or there is a better more reliable way to solve it.

o Using EFS Amazon’s NFS solution, instead of putting assets in S3.

It might help you avoid rewriting code, but in the end S3 is definitely the way to go.

o Hardcoded IPs in security group rules instead of naming a group.

Yes I’ve seen this. If you specify each webserver individually, what happens when you autoscale? Answer, the new nodes break! The solution is to put all the webservers in a group, and then add a security group rule allowing access from that group. Voila!

o Passing credentials around instead of using AWS instance level roles

Credentials are the bane of applications. You hardcode them and things break later. Or they create a vulnerability that you forget about. That’s why AWS invented roles. But did you know a server *itself* can have a role? That means that server and any software running on it, has permissions to certain APIs within the amazon universe. You can change a servers roles or it’s underlying policies, while the server is still running. No restart required!

Implement CI/CD as a task item

Don’t forget culture & process are the big hurdles. Installing a tool is easy. Getting everyone using it everyday is the challenge!

Reducing and managing docker image bloat

As you change your docker images, you add layers. Even as you delete things, the total image size only grows! Seems counterintuitive. What’s more when you do all that work with yum or apt-get those packages stay lying around. One way is to install packages and then cleanup all in one command. Another way is to export and import an finished image.

ssh-ing into servers or giving devs kubectl

Old habits die hard! I was watching Kelsey Hightower’s keynote at KubCon. He made some great points about kubernetes. If you give all the devs kubectl, then it’s kind of like allowing everybody to SSH into the boxes. It’s not the way to do it!

Related: Which tech do startups use most?

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What’s the luckiest thing that’s happened in your career?

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On more than a few occasions I’ve been asked what it’s like working remote. The inevitable followup is wow, you’re lucky. You can call it luck, but I just finished talking to 50 companies, put together proposals for all of them, and 49 said no to remote.

Lucky indeed!

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But to be sure, there have certainly been events that I look back on, that have had a seminal influence on my career. I thought of three. Here they are.

1. I got a newspaper route

Yes it’s true. Way back in the dawn of time, news was delivered on paper, and those would often be delivered to your doorstep, every morning. That and for only pennies.

At the time I think I was ten years old, and I was super excited because I wanted to be part of the world. And this was really the only job you could get at that age. It required a lot of organizing. You had a book with lists of all your customers, you had to keep track of who had paid, and so forth. Some wanted to pay monthly, while others insisted on weekly.

Read: 8 questions to ask an aws expert

I was lucky not only to get the paper route, but to have parents that encouraged me in this way, and could teach me how to be responsible and reliable. Yeah those were super important early lessons.

When I saw that I had a captive audience, it wasn’t long before I was selling incidental services. Do you need your driveway shoveled? I got it. How about mowing your lawn or raking those leaves? Or walking your dog? I spun this into a whole bunch of side businesses.

It was exciting because I was making my own money at such a young age, and felt the lure of self-determination. I loved that feeling.

Also: The art of resistence in advice & consulting

2. Linux happened

In the early 90’s Linux came on the scene. It might seem like a meaningless blip on the radar to you, but to me it was everything. At University I worked in the computer lab, where we were the operations staff. Those systems all ran Unix. So to go home and use a windows box, it was demoralizing.

Then out of nowhere this guy from Finland started building off of Tennenbaum’s book, Minix! I had worked on that at University, so I immediately saw the implications. I mean heck why can’t all that great software run on PCs, it’s just a matter of getting the drivers working. Big vendors didn’t want to do it, but millions of hackers around the world were happy to pickup the mantle.

Related: The 4 letter word dividing devops

From there I build a tower, cobbled together hardware, memory, disk bus. Do you want to go IDE Or SCSI? Better choose a graphics card that is supported if you want to get X11 running on that. And of course an optical mouse so that it really feels like you’re sitting at a sun workstation!

“No one has as much luck around the greens as one who practices a lot.” Β 
–Chi Chi Rodriguez

To me that was pure magic. I mean from boot up to graphical interface, the entire stack was built by people just like me. And I could look at all of it. So cool! Even better that we were fighting the good fight against Bill Gates & the borg! πŸ™‚

Check out: When clients don’t pay

3. Meeting the $65/hr consultant

This is a funny story too. One of the first jobs I had in NYC was not a consulting gig. It was a small design shop in the late nineties. Their biggest customer was Miramax Films. So they were doing really cutting edge stuff. And a lot of cool tech too. After their lead engineer quite, I became the defacto go-to person for all tech projects. I guess you could say I was CTO of a team of 5.

For one of our projects we needed help. The CEO had won business to do some Oracle development, which I didn’t have a lot of experience in. So he hired a consultant to help out. Very nice guy, a bit older than me. In fact I think he was about as old then as I am today.

Read: Is Amazon too big to fail?

As he was a smoker, we stepped outside together at one point, and I chatted him up a bit. I was so eager to learn. I don’t recall if he shared his rate or I learned it some other way. But I was shocked and blown away. To me it seemed like an insane amount of money. I remember him saying something to me. “Don’t worry Sean, someday you’ll be consulting too, and making just as much.”

“No one is going to know or care about your failures, and neither should you. All you have to do is learn from them and those around you. [A]ll that matters in business is that you get it right once. Then everyone can tell you how lucky you are.”Β 
–Mark Cuban

Well I am a very competitive person. I also knew that I was smarter than this guy, but he had a bit more experience than me. So from there I started sniffing around. I talked to recruiters and anyone I knew. Within two weeks, I had gotten an offer for $80/hr. Shortly after that I gave my notice.

I have to thank that guy for challenging the way he did. And I’ve never looked back since!

Related: When you have to take the fall

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6 Devops interview questions

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Devops is in serious demand these days. At every meetup or tech event I attend, I hear a recruiter or startup founder talking about it. It seems everyone wants to see benefits of talented operations brought to their business.

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That said the skill set is very broad, which explains why there aren’t more devs picking up the batton.





I thought it would be helpful to put together a list of interview questions. There are certainly others, but here’s what I came up with.

1. Explain the gitflow release process

As a devops engineer you should have a good foundation about software delivery. With that you should understand git very well, especially the standard workflow.

Although there are other methods to manage code, one solid & proven method is gitflow. In a nutshell you have two main branches, development & master. Developers checkout a new branch to add a feature, and push it back to development branch. Your stage server can be built automatically off of this branch.

Periodically you will want to release a new version of the software. For this you merge development to master. UAT is then built automatically off of the master branch. When acceptance testing is done, you deploy off of master to production. Hence the saying always ship trunk.

Bonus points if you know that hotfixes are done directly off the master branch & pushed straight out that way.

Related: 8 questions to ask an AWS expert

2. How do you provision resources?

There are a lot of tools in the devops toolbox these days. One that is great at provisioning resources is Terraform. With it you can specify in declarative code everything your application will need to run in the cloud. From IAM users, roles & groups, dynamodb tables, rds instances, VPCs & subnets, security groups, ec2 instances, ebs volumes, S3 buckets and more.

You may also choose to use CloudFormation of course, but in my experience terraform is more polished. What’s more it supports multi-cloud. Want to deploy in GCP or Azure, just port your templates & you’re up and running in no time.

It takes some time to get used to the new workflow of building things in terraform rather than at the AWS cli or dashboard, but once you do you’ll see benefits right away. You gain all the advantages of versioning code we see with other software development. Want to rollback, no problem. Want to do unit tests against your infrastructure? You can do that too!

Related: Does a 4-letter-word divide dev & ops?

3. How do you configure servers?

The four big choices for configuration management these days are Ansible, Salt, Chef & Puppet. For my money Ansible has some nice advantages.

First it doesn’t require an agent. As long as you have SSH access to your box, you can manage it with Ansible. Plus your existing shell scripts are pretty easy to port to playbooks. Ansible also does not require a server to house your playbooks. Simply keep them in your git repository, and checkout to your desktop. Then run ansible-playbook on the yaml file. Voila, server configuration!

Related: How to hire a developer that doesn’t suck

4. What does testing enable?

Unit testing & integration testing are super import parts of continuous integration. As you automate your tests, you formalize how your site & code should behave. That way when you automate the deployment, you can also automate the test process. Let the software do the drudgework of making sure a new feature hasn’t broken anything on the site.

As you automate more tests, you accelerate the software development process, because you’re doing less and less manually. That means being more agile, and makes the business more nimble.

Related: Is AWS too complex for small dev teams?

5. Explain a use case for Docker

Docker a low overhead way to run virtual machines on your local box or in the cloud. Although they’re not strictly distinct machines, nor do they need to boot an OS, they give you many of those benefits.

Docker can encapsulate legacy applications, allowing you to deploy them to servers that might not otherwise be easy to setup with older packages & software versions.

Docker can be used to build test boxes, during your deploy process to facilitate continuous integration testing.

Docker can be used to provision boxes in the cloud, and with swarm you can orchestrate clusters too. Pretty cool!

Related: Will Microservices just die already?

6. How is communicating relevant to Devops

Since devops brings a new process of continuous delivery to the organization, it involves some risk. Actually doing things the old way involves more risk in the long term, because things can and will break. With automation, you can recovery quicker from failure.

But this new world, requires a leap of faith. It’s not right for every organization or in every case, and you’ll likely strike a balance from what the devops holy book says, and what your org can tolerate. However inevitably communication becomes very important as you advocate for new ways of doing things.

Related: How do I migrate my skills to the cloud?

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Is there a serious skills shortage around devops space?

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As devops adoption picks up pace, the signs are everywhere. Infrastructure as code once a backwater concept, and a hoped for ideal, has become an essential to many startups.

Why might that be?

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My theory is that devops enables the business in a lot of profound ways. Sure it means one sysadmin can do much more, manage a fleet of servers, and support a large user base. But it goes much deeper than that.





Being able to standup your entire dev, qa, or production environment at the click of the button transforms software delivery dramatically. It means it can happen more often, more easily, and with less risk to the business. It means you can do things like blue/green deployments, rolling out featues without any risk to the production environment running in parallel.

What kind of chops does it take?

Strong generalist skills

For starters you’ll need a pragmatist mindset. Not fanatical about one technology, but open to the many choices available. And as a generalist, you start with a familiarity with a broad spectrum of skills, from coding, troubleshooting & debugging, to performance tuning & integration testing.

Stir into the mix good operating system fundamentals, top to bottom knowledge of Unix & Linux, networking, configuration and more. Maybe you’ve built kernels, compiled packages by hand, or better yet contributed to a few open source projects yourself.

You’ll be comfortable with databases, frontend frameworks, backend technologies & APIs. But that’s not all. You’ll need a broad understanding of cloud technologies, from GCP to AWS. S3, EC2, VPCs, EBS, webservers, caching servers, load balancing, Route53 DNS, serverless lambda. Add to all of that programmable infrastructure through CloudFormation or Terraform.

Related: 30 questions to ask a serverless fanboy

Competent programmer

Although as a devop you probably won’t be doing frontend dev, you’ll need some cursory understanding of those. You should be competent at Python and perhaps Nodejs. Maybe Ruby & bash scripts. You’ll need to understand JSON & Yaml, CloudFormation & Terraform if you want to deliver IAC.

Related: Does a 4-letter-word divide dev & ops?

Strong sysadmin with ops mindset

These are fundamental. But what does that mean? Ops mindset is born out of necessity. Having seen failures & outages, you prioritize around uptime. A simpler stack means fewer moving parts & less to manage. Do as Martin Weiner would suggest & use boring tech.

But you’ll also need to reason about all these components. That’ll come from dozens of debug & troubleshooting sessions you’ll do through years of practice.

Related: How to hire a developer that doesn’t suck

Understand build systems & deployment models

Build systems like CircleCI, Jenkins or Gitlab offer a way to automate code delivery. And as their use becomes more widespread knowing them becomes de rigueur. But it doesn’t end there.

With deployments you’ll have a lot to choose from. At the very simplest a single target deploy, to all-at-once, minimum in service and rolling upgrades. But if you have completely automated your dev, qa & prod infra buildout, you can dive into blue/green deployments, where you make a completely knew infra for each deploy, test, then tear down the old.

Related: Is AWS too complex for small dev teams?

Personality to communicate across organization

I think if you’ve made it this far you will agree that the technical know-how is a broad spectrum of modern computing expertise. But you’ll also need excellent people skills to put all this into practice.

That’s because devops is also about organizational transformation. Yes devs & ops have to get up to speed on the tech, but the organization has to get on board too. Many entrenched orgs pay lip service to devops, but still do a lot of things manually. This is out of fear as much as it stands as technical debt.

But getting past that requires evangelizing, and advocating. For that a leader in the devops department will need superb people skills. They’ll communicate concepts broadly across the organization to win hearts and minds.

Related: Will Microservices just die already?

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Can daily notes help you work better with clients?

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Years ago I was working at a customer for a few weeks. There was some confusion as to what was going on, in terms of progress. Things weren’t moving as quickly as they expected.

After a lot of back and forth, I suggested I could provide detailed notes of what I had done.

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After I put together my in-depth notes the customer was really happy. It seems these notes had highlighted a few problems that they didn’t know about. What’s more they even highlighted some people issues, where communicate was blocked. Whats more the notes underlined what I was doing, and this really improved the customers confidence in the work product.

1. Visibility

Keeping daily notes is a habit I found useful over and over again. If your client or customer comes to you and says, why are we paying $X, you can provide the notes as a detailed explanation of what they have gotten for their money.

Related: Are generalists better at scaling the web?

2. Transparency

Transparency is a door that swings both ways. As I mentioned above it can be great when the customer is not sure how much work was done, or what the bill is for. But it can also highlight things they may not want done. For instance perhaps you were investigating a problem authenticating to a server. You determined that it was an important piece.

When the customer sees this in your notes they may say “Oh we don’t need to deal with that system. Please leave it alone” or they may say “We actually have Rakesh available to help us with that piece, so please communicate with him and he can resolve that”.

Related: When clients don’t pay

3. Trust

Most important of all, keeping detailed notes helps build trust. Many customers, hiring managers & CTOs are not command-line technical. And that’s perfectly normal. However looking over a long list of notes like these provides great insight to them as to what you do from day-to-day.

Do they need to know what every line means? No. But the visibility goes a long long way toward building trust in the consultant client relationship.

Related: 5 conversational ways to evaluate great consultants

Week 1 April 1 – April 10

Here’s a sample of the kind notes I keep. Actually they cover a ten day period, but that’s because the initial day was towards the end of a week.

Friday April 1st
o coord with Jake on getting started
o dropbox for password, creds & server docs
o reviewing system network diagram
o reviewing techlist excel doc
– techlist
– server list & access
– database access
– projects -old
o reviewing systems access.docx
o testing AWS login credentials
– issue with permissions
– coordinating with Jake on Admin access
o testing AWS creds again
– access to all AWS services
– IAM for seanhull user
– enabling MFA for user
o questions for outgoing op Roger

Sat April 2nd (no hours)

Sun April 3rd (no hours)

Mon April 4th
o coord with Jake to get onboarded
o sending W9 form to Acme Inc.
o setup slack
o plan for today
– review aws servers
– review dg servers
– questions for Roger
– review docs
o coord with Roger on VPN access
– reach out to Larry
– emailed Larry CC Jake
– Larry requests Acme access CC to mgmt
– turns out VPN access isn’t required
– can just whitelist IP inside the relevant security groups
– coord with J, going ahead to add whitelist 1.2.3.4/32
o updating Acmemedia-sandbox security group
– trying to reach host, coord with Roger
– asked to drop ssh key onto servers
– asked about .ssh/config file – Did you get from Jake?
– found the AWS PEM folder that I overlooked πŸ™‚
o configuring .ssh/config file
– copying up to iheavy.com
– setting permissions 600 on pem files
– ssh to sandbox successful!!
o adding whitelist to Acmemedia-prod security group
o updating Jake – access is working

Tue April 5th
o coord with Jake on todo list for today
o verifying mysql access
– review security groups
– no whitelisted IPs
– can reach from webserver?
– test db1 MySQL access via webserver, OK
– test db2 MySQL access via webserver OK
o reviewing monitoring system
– testing nagios access
– locating configurations
– reviewing dashboard
– understanding tests
– down system db1 – 108 days – why?
– down system p1 – LB1 sailthru check down for 85 days why?
– down staging – 174 days why?
– emailed nagios questions to Roger
– request to add me to nagios notifications group
o coord with Roger on questions
– nagios setup & stopped checks
– add to admin group
o github access for sandbox details doc
o login to Acmemedia wp
– check list of 25 plugins
– review recent backups on abc (8)
o login to DDD wordpress
– check list of 33 plugins
– review recent backups in abc (8)
o login to EEE wordpress
– check list of 31 plugins
– review recent backups in abc (37)
o login to FFF wordpress
– check list of 35 plugins
– review recent backups in abc (8)
o login to DDD
o login to EEE
o login to FFF
o emailed Roger – request details about Glasgow server
o review various Acme github pages

Also: The art of resistance or when you have to be the bad guy

Wed April 6th
o coord with Jake on todos for today
o reviewing github pages docs on various system processes
– git deployment server page
– git deployment process
– new deploy process Nov 2015
– wiki pages are a bit sparse overall
o tested jenkins login
– found API cache clear
– found varnish cache clear
o understand separation of dev & production
o digging into Jenkins docs
o understanding build process
o tried login to EEEv2 wp login, don’t have pass
– coordinating with Jake on that login
o checking on nfs disk full nagios alert
– can’t reach box
– notified Jake & Roger via slack
– slack with Lester
– yes nfs01 space 90% is normal
– new launch of EEE tomorrow & old stuff will be deleted then
o updating nfs security group
– ssh login working now.
o getting diskspace error on prod04
– messaged Lester, related to EEE launch tonight
o email from Jake – local dev & test environment setups are slow
– very overengineered for simple wordpress site
– not using multisites, so have FOUR SEPARATE setups
– different plugins on each install
– four sets of logins
– four places to update
– four places to test/qa
– migration may be complex based on custom Acme plugins
– shortcodes compatability across four sites
– not using ithemes security plugin
o discuss with Lester on slack
– API is hosted on datagram
– single point of failure for the site currently
– outage there would take the site down
– migrate to AWS using internal loadbalancer & webservers in 2 AZs

Thu April 7th
o call with Jake on EEEv2 launch today
– general observations of Acme sites & architecture
o reviewing access.Acmemedia.com
o discuss with Jake
– hosting media files on S3 vs nfs
– using multisite
– using wordpress through API only
– javascript based static site builder
– moving API to amazon EC2
– create slave MySQL db of master MySQL currently in datadotnet
o discuss with Roger
– launch plan
– two vhosts new.EEE.com
– old.EEE.com
– simply restart apache to enable switch
– refresh maxCDN after launch
o review EEEv2 deploy steps
– pre-deploy steps
– DNS for old.EEE.com
– add vhosts EEEv2.conf
– restart apache
– restart varnish
– clear maxcdn
o verified login to access.Acmemedia.com
– API log is in /var/log/httpd/production-access.log
– login as sandy & root
o not able to login to dashboard.Acmemedia.com
– tried admin & pass in datagram docs

o meeting onsite with Jake & Roger
– discuss deployment process
– discuss legacy systems
– discuss NFS vs S3 for media files
– discuss plugins & management
– discuss wordpress version upgrade process
– discuss plugin version upgrade process
– discuss Jenkins access, configs, success & error logs
– discuss managing secrets file
– script that takes webserver out of load balancer while apache restarting
o met Rachel, Louis, Lester, Rick, Stuart, Jack

Fri April 8th
o testing Acme stage build
o emailed Roger further questions
– where is secrets file configuration & process
– composer is PHP dependency management
– what are the steps to upgrade plugin only
o summarizing & notes on Acme
o put together steps for complete firedrill
– questions for Roger, requesting help with process
– build webserver with varnish & apache
– should setup separate NFS server
– should use Acmemedia.com bc it uses API heavily
– setup copy of API server & db
– setup mysql instance for wordpress
– setup amazon cloudfront for content
o outline additional questions for Roger
– how to upgrade plugin only
– composer for php dependency management
– how are secrets files managed & deployed outside developer access
o secrets management
– asked Roger for clarificaiton
o plugin-only installs
– reviewed jenkins configs
– various questions to Roger
– composer:install seems to be the key change (not just deploy which does all?)
– why is STAGING PLUGIN DEPLOY for ORIM different?
o what happens when github account is disabled!!
– jenkins changes for new github deploy account
– THIS WOULD BREAK ALL DEPLOYS & CI/CD pipeline
– capistrano changes?
– any other changes on sandbox
– any other dependencies for Roger github?
o email step-by-step outline to add a plugin
– reviewing steps with Roger
– making sure no missing pieces

Sat April 9th (1 off-hour)
o receiving nagios alert for p1
o emailed Roger, Jake about issue
o slack messaged Jake
o raises question about off-hours coverage

Sun April 10th (2 off-hours)

o p1 still throwing errors
o coordinating with Lester & Ralph on Slack
– reiterated this is *not* an issue with NFS
– because of large number of nagios alerts, p1 lost in the shuffle
– p1 is new error, 97% so more dire than the NFS issue
– Lester attempting to login, fails because of AWS security group
– adding his *own* home IP as whitelist (devs have access to AWS console)
– first time logging in from home?
– Lester deleted old DDD logfiles to clear up 1.2G
– plan to touch base again tomorrow about issue
o emailing Jake about status
o questions for Jake
– how to manage on-call & alerts
– how to manage developer access
– Roger mentioned secrets files are not shared with devs
o Lester questions, comments on servers & diskspace

Related: When you have to take the fall

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Can i get more done by taking some dream time?

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When I have a long todo list and a million things on my plate, my usual tactic is to just plow through it. Take short break to eat, but then get right back to work. My feeling is, if it’s weighing on the back of my mind, I won’t enjoy downtime anyway.

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Recently though I had a very different experience. And it surprised me.

1. Too much to do

A colleague of mine asked me to meetup for beers. We planned to talk technology, and to catchup on what we were both working on.

As the night rolled on he had some delays, and I wanted to cancel too. After all I had a ton of work to do, and didn’t think I would enjoy myself. I really felt like I’d be worrying about all this work on my plate. It’s like taking a vacation when you have a deadline. It doesn’t feel quite right.

Related: Can a growth mindset help you recover from setbacks?

2. My surprise

We ended up meeting anyway. At first I wasn’t totally relaxed, but then we started talking.
Our conversation turned to the evolution of datacenters. How they used to be on premise, then there were lots of hosting companies. And then Amazon changed everything!

We talked about evolution of tooling & automation. Although system administrators of old have been writing bash scripts forever to make their jobs easier, the proliferation of tools for deployment has allowed smaller ops teams to control fleets of servers. As my friend & colleague was newly starting a job on Amazon Web Services, a lot of this cloud stuff was new to him. So talking about it from a teaching vantage point, made me realize how strong I was in a lot of this stuff.

We talked about docker & containerization too. Even the origins back in the late 70’s with Unix chroot all the way up to Docker today. I explained to him that he could think of a container almost like a unix user, but with a more self-contained view of the whole system. In many ways a container acts like a vm, with it’s own filesystem and processes.

We talked a lot about aws, how S3 was an evolution of FTP in the old days, but much much better, how VPCs worked and the virtualization of networking, how VMs in the AWS world match with bare metal or not, how they share EBS storage. How Amazon has built a database service RDS around popular platforms like Oracle, MySQL & Postgres.

We shared a lot of ideas & brainstorming. About coding, C versus Java versus Python, package management, dependencies and on and on. He also mentioned he needed to build a test script to talk to an Amazon queue. I explained that it should be quite easy, and which libraries to look for.

Related: How I use terraform & composer to automate wordpress on AWS

3. Breaking through hurdles

It’s funny how dramatically different I felt after we got together. I all of a sudden had tons of new ideas bouncing around in my head.

Instead of waiting for the next day, after our get together, I went straight to the terminal. I quickly finished a coding challenge I was working on and struggling with. Easy peasy!

After that I felt inspired further. I created an Amazon SQS queue with the dashboard, and then wrote some python code to talk to an Amazon sqs

I created a git repo & checked in my code. All within a couple of hours!

I was just sitting there laughing. Because I felt such relief that I’ve made progress.

It was a big surprise that such a circuitous route got me there.

I guess the takeaway is that mental play or dream time is important to making progress. Otherwise you’re just working in a vacuum!

Related: What I’ve learned from 10 years of blogging

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Why would I help a customer that’s not paying? The reason might surprise you

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I just received an email. It was from a woman building a website, and wanted help with AWS. She wondered if I might be able to provide any assistance.

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Having a popular publicly facing blog, I get a lot of leads that seem to come out of thin air. This is the good problem of publicity. πŸ™‚

I followed up with her and asked what she was building. “Nothing” she explained, I just want to learn about AWS. I was a little confused at first, but as we talked further, it seemed she was just beginning to branch out onto the wild world of the internet, and didn’t know where to start.

I explained that to build an e-commerce site, she could use a service like Shopify, and would likely not need to use AWS directly, and certainly wouldn’t have to learn it. That might take five to ten years learning computing first!

I realized I was telling her she didn’t need the services of someone like me, and further giving her half of a solution. Though I couldn’t help her build a product, the information could surely help her sell it.

Then I thought to myself, why would I do that? Why give away your time & advice for free?

1. Find time to followup

LESSON: a quick call is always worthwhile networking

Yep it’s true, I’ve learned over the years it’s always worth your time for a quick call. I even talk to recruiters on occasion though I don’t work with them.

You’d be surprised how often you learn from someone, especially when they don’t work in your domain. You learn from the way they frame questions, how others might view or search for you. You learn how better to explain & sell your services to future customers too.

Also: When clients don’t pay

2. Be helpful

LESSON: Provide some real help or value

In a call like this one, it costs me very little to “drop some knowledge” as the cool kids like to say. πŸ™‚ Sure my time is worth something, and yes I’m giving something away for free. But in this case it was someone who currently doesn’t have the budget for my services so isn’t my target audience anyway.

Read: When you have to take the fall

3. Pay forward

LESSON: Always be networking

Be patient. As Keith Ferrazzi likes to say “Never Eat Alone”! I’ve taken hundreds of calls like this one over the years, and some later get funded & call me back. They’re eager to put me to work, already sold on my integrity & personality.

What’s more she may run in different circles than I do, bump into a colleague or recommend me at some point. If your openness really stands out, it’ll leave a memorable impression long into the future.

In a place like New York where we’re often singularly focused on profit & personal gain, it’s easy to stand out by a small act of kindness.

Related: A look at the serverless hype cycle

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5 data points I track for reputation & career building

When I tell people I’ve been independent for two decades, they often look at me surprised. How do you do that? How do you keep business coming in?

recent linkedin views

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As a freelancer you surely have to be on top of changing trends, and where the wind is blowing. But whether you’re a CEO or CTO of a larger firm, or a developer, HR or marketing director, you can also benefit by actively tracking yourself. Career building never ends…

1. Real Leads

This is probably the hardest metric to track, but the most important. A lead is anyone who may potentially hire my services. These can come from Linkedin, newsletter subscribers, or via a Google search. I track how they reached me, and how warm the lead is.

I do also track when recruiters reach out, as I think this can serve as a useful barometer as well. Also as my blog has grown, I get a lot of SEO bloggers, fishing for sites they can post backlinks on. Although I rarely entertain them, it is a useful reflection of how popular your site is getting.

Also: Are we fast approaching cloud-mageddon?

2. Newsletter signups

I think of the newsletter as an extension of my blog. I invite everyone I’ve ever touched in business. This includes coworkers, to colleagues at meetups & conferences. I invite recruiters & headhunters as well, because name recognition & reputation building is also important.

The newsletter is a way to show up in the inbox of everybody you’ve ever worked with. Month after month, year in and year out, you’re plodding away & doing your thing. It’s a reminder that you’re out there, and colleagues, CEOs & CTOs refer me all the time. It’s been very valuable over ten years.

newsletter signups

I also track email opens & email clicks. Those range around 25% and 10% respectively. I know when I’ve hit a topic that resonates & try to have that inform future content direction.

Related: The Myth of Five Nines

3. Linkedin Views

Linkedin is super valuable too. They provide a nice graph of how many times your profile was viewed weekly through to the last 90 days. This is super useful to find out if your resume & profile is keyword rich.

I like to actively tweak my profile, for the latest trending terminology. For example in the 90’s Unix Administrator or Systems Administrator was common, but nowadays everyone likes to say SRE. What’s that? Site Reliability Engineer. Yes it’s a buzzword, and as it turns out people use trending terms & buzzwords to search for people with your skills.

So get on it, and edit those terms!

Read: Is Amazon too big to fail?

4. Website Visitors

In a services business you don’t usually sell widgets on your website. However, I like to think of a web presense as my business card. So in that light, more visitors means more renown. That projects your personal brand, and builds it long term.

website visitors

Also: When hosting data on Amazon turns bloodsport

5. Klout Score

Klout score is a rough measure of how active you are across social media. Twitter is a big one, but it also finds you on Linkedin & other platforms as well. Although the score is far from perfect, it does give you a sense of reputation & noteriety, which do ultimately translate to business.

Also: 5 Things Toxic To Scalability

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What Deborah Tannen taught me about conversation & interruption

tannen you just dont understand

I was recently invited to attend a charity event in Washington DC. Dinner was a catered affair of 300 with a few senators & Muhammad Yunus there to talk about micro financing.

After dinner we broke up into some smaller groups, and had great conversations into the night. It was interesting to me as I don’t often rub elbows with lobbyists & political animals. While we were all talking, the subject of language came up, and in particular how different people’s styles affect how they come off.

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I became really engaged, as this topic has always interested me. I was introduced to the ideas of Deborah Tannen. She’s a professor of linguistics from Georgetown University, and an expert on the topic.

Afterward, I went straight to my kindle & bought here seminal book “You Just Don’t Understand”.

Boy do I understand a lot more now.

1. Conversational style varies by culture & gender

Across cultures, from europeans to Asians, North to South Americans, conversational styles vary. Some pause longer between breathes, while others make briefer pauses. Some deem conversation more like judge & jury, where each should be afforded carefully the chance to take stage, while others prefer the casual chance to jump in, and constant overlap.

These differences lead to the sense of pushiness versus interest, interruption versus dominance. Interest versus boredom. Since all these cultures have a different style, it can get rather complicated interpreting someone’s intentions if you’re not from that culture.

What’s more these vary quite a bit between men & women.

Also: What I learned from Jay Heinrichs about click worthy blog titles

2. Report & rapport talk are different

Report talk is in public, perhaps at a lecture, or out with a large group of friends around the dinner table. There stories & conversation revolves around a larger group.

Rapport talk on the other hand is at home, among intimates.

She says that women tend to prefer the latter while men prefer the former. So in different circumstances it can appear that one or the other has “nothing to say”, when it actually revolves around their preferences of when to speak.

Related: Is automation killing old-school operations?

3. Like & respect

Women’s behavior & style of speaking is rooted in the goal of being liked. So there are many cases where they may downplay themselves, to reach a more equal state with those around them.

Men’s behavior & conversational style is based around seeking respect. This can often mean emphasizing differences, and not parity.

Read: Do managers underestimate operational cost?

4. Contest or connection?

Men often see the world through the lens of contest, especially in relationships with others. Women on the other hand tend to see it as an interconnected network. By building bonds you strengthen that network.

These two styles inform dramatically different behaviors in similar situations.

Also: Is Reid Hoffman right about career risk?

5. Interest or independence

Here’s another example of how men & women may see things differently.


When men change the subject, women think they are showing a lack of sympathy — a failure of intimacy. But the failure to ask probing questions could just as well be a way of respecting the other’s need for independence.

So it seems styles & priorities inform intention & interpretation of a lot in conversations.

Although all of this doesn’t resolve or put to rest these differences, being informed can certainly help a lot towards understanding.

Also: What I learned from the 37 Signals team about work & startups

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