Thoughts, stories and ideas.
How to install Prosody an Open source and modern XMPP communication server
scheduled for 19 December 2018
How to free disk space from deleted but still referenced file
scheduled for 24 December 2018
How to disable onboard WiFi and Bluetooth on Raspberry Pi 3
scheduled for 31 December 2018
Sometimes it makes me wonder whether I am inside chroot environment or not, but I find out that it is very easy to answer this question.
Define backup backend in HAProxy configuration to choose used backend depending on the number of usable servers.
Download Raspbian image and write it SD card using as fewer commands as possible.
Schedule one-time task at specific time or below defined system load using at utility.
Alter password expiry date to force user to change password on next login.
Use paste utility to merge lines using tab character as delimiter, expand to convert tabs to spaces and column to format input into multiple columns.
Extract RPM package on macOS to access its contents, which is especially useful for some old source packages.
Display processes using the most CPU or memory using nothing more than basic Linux utilities.
Encrypt portable external hard drive using Linux Unified Key Setup to protect data in transit.
Create simple artifical package to work around missing dependencies,