Automated Let’s Encrypt DNS challenges with Rackspace Cloud DNS31 March 2016·Updated: 5 December 2023·693 words·4 minsLet’s Encrypt has taken the world by storm by providing free SSL certificates that can be renewed via automated methods.
Rotate GNOME 3’s wallpaper with systemd user units and timers11 February 2015·Updated: 5 December 2023·645 words·4 minsNOTE: This works in Fedora 21, but not in Fedora 22.
Quickly post gists to GitHub Enterprise and github.com8 August 2014·Updated: 5 December 2023·141 words·1 minThe gist gem from GitHub allows you to quickly post text into a GitHub gist.
Compare commits between two git branches15 March 2012·Updated: 5 December 2023·205 words·1 minI found myself stuck in a particularly nasty situation a few weeks ago where I had two git branches with some commits that were mixed up.
Limiting which commands are kept in the bash history file29 January 2008·Updated: 5 December 2023·105 words·1 minBy setting a certain bash environment variable, you can limit which commands are kept in the .