Linux Simple VPN Split Tunnel on Linux The IP-based split-tunneling that I explore here allows control over which IP addresses go through a default VPN tunnel and which instead go through your regular network interface (or another VPN).
Linux Kubernetes Rolling Volume Backups Use rsync hard-links to perform rolling backups of Kubernetes Volumes
Quick Tricks Bash script to check SSL certificate expiry This script iterates through my list of targets, checks the certificate expiry and prints the details.
Quick Tricks Rotating Password Generation Command Use Linux Watch to continually generate passwords for you
Quick Tricks Batch convert video files with grep, xargs, sed and ffmpeg Explore a combination of tools including pipe, grep, find, xargs, and sed to do some video conversion
Linux Docker is using all my inodes We recently had an issue where one of our servers was getting out of disk space errors when trying to pull new Docker images. This caught us by surprise as none of our disk usage alerts had fired. Once we got on the box to investigate we realised that it
Linux SSH Port Forwarding for local development Motivation We have an application with a single frontend and a micro service backend. When we were smaller it was feasible to run everything on our laptops while developing locally. Those days ended. However we were able to make a relatively small change to the local setup to allow developers
Linux Override DNS with /etc/hosts Tell your computer which IP address to use for a hostname with the /etc/hosts. Handy for development and other scenarios.