Playbooks make Ansible even more powerful than before. To be quite honest, if Ansible had nothing but its ad-hoc mode, it still would be a powerful and useful tool for automating large numbers of computers. In fact, if it weren’t for a few features, I might consider sticking with ad-hoc mode and adding a bunch … Read more
Finally, an automation framework that thinks like a sysadmin. Ansible, you’re hired. In my last article, I described how to configure your server and clients so you could connect to each client from the server. Ansible is a push-based automation tool, so the connection is initiated from your “server”, which is usually just a workstation or … Read more
I’ve written about and trained folks on various DevOps tools through the years, and although they’re awesome, it’s obvious that most of them are designed from the mind of a developer. There’s nothing wrong with that, because approaching configuration management programmatically is the whole point. Still, it wasn’t until I started playing with Ansible that … Read more
Ubuntu changed networking. Embrace the YAML. If I’m being completely honest, I still dislike the switch from eth0, eth1, eth2 to names like, enp3s0, enp4s0, enp5s0. I’ve learned to accept it and mutter to myself while I type in unfamiliar interface names. Then I installed the new LTS version of Ubuntu and typed vi /etc/network/interfaces. Yikes. After a technological … Read more
If you can remember all of your passwords, they’re not good passwords. I used to teach people how to create “good” passwords. Those passwords needed to be lengthy, hard to guess and easy to remember. There were lots of tricks to make your passwords better, and for years, that was enough. That’s not enough anymore. … Read more
My beloved 1994 Chevy S-10 unfortunately drives very much like a 1994 pickup truck with 200K miles on it. Don’t get me wrong, I love my truck. The thing is, now that we’re in the city, when I commute to work in the morning it feels very much like I’m going to die at any … Read more
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Our nation is struggling with a growing obesity problem unlike anything we’ve seen in generations past. Our slovenly lifestyle is beginning to leak into science as well, however, and the ramifications could be deadly. Researchers at CERN, (yes THAT CERN) have discovered the speed of light is beginning to slow down. They fired a beam … Read more
Three or four months ago, my beloved Droid died. Since I don’t use my phone for actual phone calls, I decided to just not get a new phone, and stick with my work provided iPhone for my mobile computer needs. (I can’t use it for personal calls, but I have unlimited data and talkatone, so … Read more
Today, Linux Journal announced something that I’ve known was coming for a while now. We will no longer get that wonderful excitement of finding a good old fashioned paper magazine in our mailbox every month. The good news is that Linux Journal won’t be going away. We’re just switching medium. It’s no longer possible for … Read more