Quota Installation

Quota of Linux is designed per user in one partition.
(Recommend: enable in ext3 partition)


Step 1

[root@local~]# yum install quota

Install quota rpm via yum.



Step 2

[root@local~]# df -h

Filesystem            Size  Used Avail Use% Mounted on
/dev/sda1              22G  5.9G   15G  29% /
tmpfs                 128M     0  128M   0% /dev/shm
/dev/sda3              48G  5.0G   41G  12% /home
Quota function limited to the whole partition only.
Example: We set the quota to /home , so we know it is /dev/sda3 

[root@local~]# vi /etc/fstab

LABEL=/1                /                       ext3    defaults        1 1
devpts                  /dev/pts                devpts  gid=5,mode=620  0 0
tmpfs                   /dev/shm                tmpfs   rw,size=128M    0 0
LABEL=/home1            /home                   ext3    defaults,usrquota,grpquota        1 2
In /etc/fstab, append 'usrquota,grpquota' to the line which partition is limited with quota

[root@local~]# mount -a

or

[root@local~]# mount -o remount /home

Remount /etc/fstab or reboot to enable the quota in filesystem

[root@local~]# touch /home/aquota.user
[root@local~]# touch /home/aquota.group

Create the quota bin file.

[root@local~]# /sbin/quotacheck -m -f /home

or

[root@local~]# quotacheck -vug /home

Quota check for the first time (require)

[root@local~]# quotaon -vug /home

Turn on the quota function on partition.



Step 3

[root@local~]# edquota -u alan

Disk quotas for user alan (uid 501)
Filesystem¡@¡@¡@blocks¡@¡@¡@soft¡@¡@¡@¡@hard¡@¡@¡@inodes¡@¡@¡@soft¡@¡@¡@hard
/dev/sda3¡@¡@¡@¡@224¡@¡@¡@800000¡@¡@1024000¡@¡@¡@6¡@¡@¡@¡@ 0¡@¡@¡@¡@ 0


or


setquota -u alan 800000 1024000 0 0 /home
We set the quota soft limit 800M, hard limit 1G to user alan
(First one is vi mode)

[root@local~]# repquota -u /home

View the quota status


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