Write an operating system to microSD card using Raspberry Pi Imaging Utility.
Today, I will connect the secondary encrypted hard disk from the previous Ubuntu installation to copy personal data, so there will be a problem with overlapping LVM names.
Suppress SSH banner when executing ad-hoc commands.
Export every LXD instance at once.
Configure a lightweight compressed cache for swap pages to mitigate the performance impact of swapping on your desktop.
Use basic Linux utilities to list file names and their contents.
Configure compressed swap using
zram device at system boot.
Take advantage of compressed RAM based block devices to create temporary filesystems and swap disks.
Fix “device excluded by a filter” LVM error.
Create the simplest possible firewall using nftables framework with relaxed rules that will allow all outgoing traffic, incoming ICMP echo requests, and ssh connections.