a thoughtful use of digital
In Kubuntu 22.04 it could be impossible to start programs such as kubuntu from kde menu while with terminal (command sudo krusader) it will remain possible.
To fix this bug (due to the lack of kdesu in kubuntu 22.04), you can use (in kde menu):
pkexec env DISPLAY=$DISPLAY XAUTHORITY=$XAUTHORITY krusader
In Linux you can use these commands:
After upgrading Ubuntu from 20.04 to 22.04 it can happen that you cannot start the desktop: emergency mode.
In some case it could be happened that fstab was modified and the efi partition is set with a wrong UUID. Therefore you can try to change, in your fstab file, the efi UUID (i.g. copying it from a working installation).
If you have a problem with mariadb (not starting) and in maridb status you see an innodb problem, such as Unknown/unsupported storage engine: InnoDB, you can follow these instructions removing or renaming your ib_logfile0
Snap has several cons (in a nutshell: is a closed world), so to install an upgradable release of Firefox you can follow the these ubuntu wiki instructions.
To run Firefox you could have to manually add to the system menu (the command to set is only ‘firefox’).
It is possible to virtualize old windows releases, such as windows 3.1, windows 98 (download here), or windows ME and the like.
But there are severe limitations: your host keyboard and mouse will be unavailable, and no link will be possible between the host and the guest system.
The reason is that in that old systems you cannot install the virtualbox guest additions.