Drive Warning: /hda6 (/usr) is 85% full

[twlove]

I keep getting this -- and can no longer find the thread(s) here telling me where to do?
please help me.
My os redhat9 i686 , Cpanel 10.0.0
/dev/hda6 7.7g

I login ssh

the /hda6 disk usage

total 144
drwxr-xr-x 18 root root 4096 Mar 15 16:00 ./
drwxr-xr-x 23 root root 4096 Mar 15 20:16 ../
-rwxr--r-- 1 root root 9216 Mar 15 20:15 aquota.user*
drwxr-xr-x 2 root root 20480 Mar 15 20:08 bin/
drwxr-xr-x 2 root root 4096 Jan 25 2003 dict/
drwxr-xr-x 3 root root 4096 Apr 22 2004 doc/
drwxr-xr-x 2 root root 4096 Apr 22 2004 etc/
drwxr-xr-x 3 root root 4096 Apr 22 2004 games/
drwxr-xr-x 62 root root 8192 Mar 1 22:37 include/
drwxr-xr-x 8 root root 4096 Apr 1 2003 kerberos/
drwxr-xr-x 59 root root 20480 Mar 15 20:08 lib/
drwxr-xr-x 5 root root 4096 Apr 22 2004 libexec/
drwxr-xr-x 16 root root 4096 Apr 22 2004 local/
drwx------ 2 root root 4096 Dec 13 2003 lost+found/
drwxr-xr-x 6 root root 4096 Feb 25 19:04 man/
-rwxr--r-- 1 root root 1024256 Mar 15 16:00 quota.user*
drwxr-xr-x 2 root root 8192 Mar 3 13:20 sbin/
drwxr-xr-x 113 root root 4096 Apr 22 2004 share/
drwxr-xr-x 5 root root 4096 Apr 22 2004 src/
lrwxrwxrwx 1 root root 10 Feb 26 02:33 tmp -> ../var/tmp/
lrwxrwxrwx 1 root root 4 Feb 26 02:33 usr -> /usr/
drwxr-xr-x 7 root root 4096 Dec 13 2003 X11R6/