Centos disk quota (quota) operation guide

Mount | grep partition name to check whether the partition supports the disk quota mount-oremount, usrquota, or the temporary enabling of quotavim/etc/fstabdefault, usrquota, use the quotaquotacheck-avug feature to permanently scan the file system and create a quota record file.-a: All scans in the/etc/mtab contain

Mount | grep partition name to check whether the partition supports disk quota

Mount-o remount, usrquota

Vim/etc/fstab

Default, usrquota, and kgquota are enabled permanently

Quotacheck-avug scans the file system and creates a quota record

-A: All the filesystems supported by quota are scanned in the/etc/mtab. after this parameter is added,/mount_point does not need to be written, because all the filesystems are scanned!

-U: aquota. user is created to view the usage of files and directories.

-G: creates an aquota. group

-V: displays information about the scanning process;

Quotaon-avug

-U: quota (aquota. user) is enabled for users)

-G: start quota (aquota. group) for groups)

-V: displays information about the startup process;

-A: start the related quota based on the filesystem configuration in the/etc/mtab. if-a is not added,

The specific filesystem needs to be added later!

Quotaoff-a shut down the quota of all file systems

Quotaoff-ug/mount_point

-A: quota of all filesystems is disabled (according to/etc/mtab)

-U: only disable the user quota for the/mount_point that follows.

-G: only disable group quota for the/mount_point next to it.

Edquota-u username

Limits on configuring groupname for edquota-g groupname

Edquota-t modify the grace period

Edquota-p template account-u new account

Quota: a single user's quota report

Quota-uvs username

Quota-gvs groupname

-U: followed by username, indicating that the user's quota limit value is displayed. If username is not connected, the quota limit value of the shipper is displayed.

-G: followed by groupname, indicating that the quota limit value of the group is displayed.

-V: displays the quota value of each user in filesystem;

-S: use 1024 as a multiple to specify the unit. a unit such as M is displayed!

Repquota: reports the quota of the file system.

Repquota-a [-vugs]

-A: directly go to/etc/mtab to search for the filesystem with the quota flag and report the quota results;

-V: the output data will contain detailed information related to filesystem;

-U: displays the user's quota limit (this is the default value );

-G: displays the quota limits of individual groups.

-S: Use M, G as the unit to display the result

Configure the quota in the setquota command

Setquota [-u |-g] name: block (soft) block (hard) inode (soft) inode (hard) file system

Example: setquota-u quota1 10000 20000 0 0/home

Warnquota sends a warning letter to those who exceed the quota

Vim/etc/warnquota. conf alert template

Vim/etc/cron. daily/warnquota

/Usr/sbin/warnquota

Sends alerts to over-limit users every day

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