How to verify fstab file
scheduled for 21 January 2019
How to build package using the filesystem tree
scheduled for 28 January 2019
How to use NordVPN command-line utility
scheduled for 04 February 2019
Learn how to erase every defined LUKS key slot on a specific device.
I have already described a simple way to manually configure Network Manager and automatically import NordVPN servers, so today I will explain how to pretty print servers recommended by NordVPN using terminal instead of web-browser.
Learn how to create LUKS header backup and restore it in case of emergency.
Create shell script to convert seconds to human readable time. I have reused part of an old shell script used to pretty-print system uptime to built it, as this code proved to be useful in several occasions.
cal is a nice utility that displays calendar in terminal, but there is a small problem that needs to be fixed as it uses Sunday as the start of the week.
Disable onboard Wifi and Bluetooth on Raspberry Pi 3 device.
Very rarely and often by a mistake you can end up with deleted file that is still used by some process, which is likely writing to it, so the used space cannot be freed.
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.