This author has not written his bio yet.
But we are proud to say that Dave Cohen contributed 46 entries already.
If you’re wondering how to follow Linux logs for a process or systemd unit (service), here are the commands you want: Traditional, File-based logs For a traditional service (a long-running process that logs to one or more files), you can use traditional Linux tools to check the logs. A common command might be: tail -f […]
Someone recently asked me about DevOps ‘courses’ which got me thinking about what the required skillsets are for getting into roles that include the word “DevOps” in the title or description. I’ve been working in various “DevOpsy” roles professionally for about 7 years now and I still don’t know exactly what it means. Each company […]
The official Ansible installation instructions are WRONG, and will result in a bunch of errors and wasted time troubleshooting. Here’s how to install the newest version of Ansible on Ubuntu or Debian (or any other Linux distro, provided you swap out aptitude for your own package management commands). Note: This installs the NEWEST ‘stable’ version […]
I’ve played a lot of computer games over the years. They’re what got me into computers in the ’90s, and several of them are responsible for me getting into Linux, programming, and system administration. Just FYI: these contain affiliate links to the humble bundle store. Deus Ex (the original 1999 masterpiece) Easily my favorite game […]
I was just chatting with a friend about software, infrastructure, modern architectures and methodologies, and just sysadmin stuff in general. After getting up for a few minutes to grab a drink, here’s what I found waiting for me in the chat room. I’m sharing it, with his permission: I find it funny. Everyone is […]
I recently found an answer that I gave someone to a Facebook chat question in ~2016-2017, and was amazed at how “technically right” I was (i.e. totally wrong for the career question that I was answering). I just wanted to post this to show that I am often too technologically focused, and that this can […]
I recently wrote a FAQ-style post about System Administration and technology careers in general. One of the best questions I was asked was about what kinds of really interesting troubleshooting problems I’ve had to deal with. Here’s that question, along with my answer: What’s one of the most interesting things you’ve had to troubleshoot / […]
If you’re wondering whether or not a System Administration career is right for you, this article might help. Someone just sent me some questions about what a career in System Administration is like, and asked some questions that I hadn’t thought to answer on YouTube or here on the tutorialinux blog. Since I’ve been working […]
This step-by-step tutorial will show you how to build load-balanced, highly available, self-healing infrastructure on the Amazon Web Services (AWS) Cloud. If you’ve been wondering how to get started with “DevOps,” “Cloud” System Administration, and public cloud providers in general, this is the series for you. Amazon’s Cloud Services are vast — there are an […]
I’ve just added some more amazing books to the sysadmin reading list page. These are books that I’ve read over the last year which are so spectacular that I think every sysadmin (or aspiring sysadmin) needs to read and digest them. Some standouts from the list above: The Linux Command Line: A Complete Introduction I […]