Use Ubuntu

Hardware Management

View all USB devices

sudo lsusb

Unmount USB drive

# check available disks
sudo fdisk -l

# check mount points and find mount point of disk you want to unmount
sudo lsblk

# do the unmount (/path/to/mount is the path of the mount)
sudo umount /path/to/mount
# or using the path to the device instead, do
sudo udisksctl unmount -b /dev/sdx

# safely eject the device (/dev/sdx is the path to the device)
sudo udisksctl power-off -b /dev/

Upgrading Ubuntu major versions

Run the following to trigger the upgrade via a GUI (remove -f if you wanna be hardcore)

sudo do-release-upgrade --allow-third-party -f DistUpgradeViewGtk3

From docker

Run the following to clear space used by the Docker daemon:

# remove dangling images
docker prune images;

# removed unused containers
docker prune containers;

# remove unused volumes
docker prune volumes;

From journalctl

Run the following to clear space from /var/log/journal:

sudo journalctl --rotate
sudo journalctl --vacuum-time=1d

From snapd

Run the following to clear space from /var/lib/snapd/cache/*:

sudo rm /var/lib/snapd/cache/*

Run the following to clear space from /var/lib/snapd/snaps/*:

snap list --all | while read snapname ver rev trk pub notes; do if [[ $notes = *disabled* ]]; then snap remove "$snapname" --revision="$rev"; fi; done