This can be more tedious to fix, because you need to find the subdirectory that the file is in, but it's easy to fix because the file itself is readily removable.
Packages (files) downloaded for installation by a user via the system (apt, synaptic, dpkg) are stored in /var/cache/apt/archives. Under normal circumstances it is not necessary to keep packages locally; they can be retrieved from a server if re-installation is desired.
Note: You will be warned in the final stages of the operation to backup data and ensure a reliable power source.
Simply highlighting the item and hitting the DELETE key will move it to Trash, where it will continue to take up space.
df not showing correct free space in linux In this post, I am sharing the troubleshooting.
Perhaps the files you deleted brought the utilisation down to this point, but not below the threshold for normal users.
If this is your situation and you're desperate, you may be able to alter the amount of space reserved for Second, the operating system won't release disk space for deleted files which are still open.
The warning may appear a bit intimidating but merely reflects precautions which should be taken any time a partition table is altered.
command via terminal, or empty your Trash (or root's for root-owned folders) before the space is actually recovered and made available for use.
When we find the disk is full,we generally remove the files from that partition.
Sometimes it is also observed that after removing files from the partiton.
Then you cd into the problem child and repeat the process for all items in it.