I have already described how to create VLAN interface, but things have changed over time, so I decided to update the know-how.
Get and display RabbitMQ uptime measured in seconds using three different methods.
Install RabbitMQ message broker to queue and exchange messages.
Use dedicated command-line utility to convert various units to different measurement systems.
Use to drctl-tools to parse Debian package information using the Debian control file format (the dctrl format).
What does “Release file for […] is not valid yet (invalid for another […]). Updates for this repository will not be applied.” error mean?
Create persistent sysctl configuration using standard system utilities.
Quickly fix fusermount: exec: “fusermount”: executable file not found in $PATH by installing missing Filesystem in Userspace package.