On Sun, 31 Jan 2021 10:15:59 +0000, ci...@cewland.uk said:
> Is there a command to show files in root and there sizes? I tried 'ls'
> but that lists only my home folder.
'ls' will list the directory you're in unless you pass an argument. So, if
you're in your home directory:
$ ls [list your home directory]
$ ls /var [list contents of /var]
You may not have permission to read the contents of other directories (for
that you may need 'sudo ls' or you can be root).
> Tried sudo cd/ no command, not found!
You need a space between the command ('cd') and the argument ('/'), so
cd /
You don't need sudo for that command. You're allowed to cd to /, and
you'll even be able to see the directories there. You may need sudo to see
inside some directories.
> 'usr' seems to be large at 5.1GB last date modified 13 Dec2019 well
> before this problem started so unlikely to be the problem?
5GB for /usr sounds about right.
Try this:
$ cd /
$ sudo du -sh * | sort -h
That will show the size of each directory in root in size order. Let's say,
for the sake of example, that /var is the biggest. Then you do:
$ cd /var
$ sudo du -sh * | sort -h
Now you can see which directories in /var are the biggest. You can repeat
the above to find the directories taking the most space.
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