Check SSL certificate expiration using bash and cURL
I have a few environments where Certbot (and similar) scripts cannot renew SSL certificates without manual intervention, but I still need to know when the certificates are getting close to …
I have a few environments where Certbot (and similar) scripts cannot renew SSL certificates without manual intervention, but I still need to know when the certificates are getting close to …
I recently updated my Pop!OS sandbox environment, and noticed that it was running an older version of the VirtualBox Guest Additions. When I tried to update it, it gave me …
Jitsi is a lovely piece of software for video meetings. It has come a long way when it comes to setting up a reasonably uncomplicated environment that will let you …
On most Linux systems, anyone can see everyone else’s processes, running commands, and so on. This can be achieved by simply issuing a ps ax or similar. The same applies …
Music: Great White, Guns ‘n’ Roses, Pink Floyd, Five Finger Deathpunch, Mötley Crüe, AC/DC, Rammstein Drink coffee, 3L Open 4-6 SSH sessions Do Ubuntu from 16 > 18 > 20 …
Compare files in the two directories, and only report differences: diff -q path-1/ path-2/ Compare files in the two directories and their sub-directories, only reporting differences: diff -qr path-1/ path-2/ …
Redmine, Ruby, Passenger-Phusion, and Nginx makes for an extremely confusing situation with dependencies, installation “instructions”, and “mismatching” package versions. Redmine wants Ruby x, your Linux distribution has Ruby y, Passenger-Phusion …
Flying blind is no fun and many hardware manufacturers are notoriously bad at providing info tools form their hardware for Linux. If you have an LSI-chipped RAID controller, this may …
Having recently upgraded a small VPS from Ubuntu 18.04.LTS to Ubuntu 20.04.LTS, I ran into a little snag with Emacs and its color-theme (from the emacs-goodies-el package). After some digging, …
During a product launch I recently came across an “interesting” issue involving pdftk (and php-pdftk). Some of the developers had made assumptions (ever heard that one before?) about the operating …