Fedora
Upgrading
To upgrade a Fedora distribution (to, say, version 36), run:
$ sudo dnf upgrade --refresh
$ sudo dnf system-upgrade download --releasever=36
After the download of new packages is finished, run:
sudo dnf system-upgrade reboot
Build tools
Run
sudo dnf install @development-tools
Performance
Boot times
Create a chart of the boot process:
sudo systemd-analyze plot >bootup.svg && eog bootup.svg
If your rsyslog.service is taking a long time (>20s) to start, look at this issue.