install and run mongodb on macOS as a non-root user
Installing and running mongodb on a mac is very easy with homebrew…
grow and extend an ext4 partition and filesystem on a live server
Before doing anything: backup your data! A disk contains partition(s). Each partition contains a file system like ext4.…
minimal example of a “detached” script with tmux
This is a minimal example of how you would run a script “detached” on a remote server, so you can disconnect SSH, and free up your Terminal to do other things, or even close your Terminal and turn off your computer altogether.…
chmod cheat sheet
When it comes to running chmod on a nix box I always find it hard to remember which number corresponds to read, write and execute. I like to think that I understand binary enough to do its maths, but it just doesn’t click for me which one maps rwx.…
devops shortcut: installing puppet
Shell one-liners to install Puppet into whatever box you happen to be running.…