I’ve decided to go back to vi mode with my shell. Of course, by default, BASH, ZSH and others use emacs mode for the keyboard bindings. This is fine for the generic case, but if I’m using Vim for my default editor, it makes sense to use the Vi keyboard bindings in my shell as [...]
At work, we have an RHN satellite that is registered against RHN, and pulls down all the updates as necessary for the 32-bit and 64-bit RHEL servers that we have in our network. We currently have 34 RHEL servers in operation, with the expectation to grow past 40, all without virtualization. When we really start [...]
When I taught Linux system administrators, I would go through a series of rules, and rule #1 was always: Whenever you’re editing config files, and a tool exists to make the change, use the tool instead of editing the config by hand. The logic is easy to follow. We as humans are capable of error. [...]
I wanted something to sink my teeth into on just how large IPV6 really is. As such, I decided to do it graphically. Initially, this meant just representing each IP address with a single pixel. Surely, the images would be doable. However, as I started crunching the numbers, they were much larger than I thought, [...]
