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CentOS 6如何修改磁盘配额限制

更新时间:2026-08-22 04:48:07 | 编辑:青柠檬 | 信息来源:互联网

  为了避免用户过度的使用磁盘空间,管理员会对磁盘空间进行配额限制,以免影响系统运行,但在有些时候,因为磁盘配额限制设置的不合理,导致磁盘空间不够用,这时就需要对磁盘配额进行修改,下面小编就给大家介绍下CentOS 6如何修改磁盘配额限制。

  CentOS建五个用户,均需要进行磁盘配额限制,每个用户的配额为 10MB (hard) 以及 8MB (soft)

  环境

  [root@localhost ~]# uname -a

  Linux localhost.localdomain 2.6.32-431.el6.x86_64 #1 SMP Fri Nov 22 03:15:09 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux

  [root@localhost ~]# nl /etc/issue

  1 CentOS release 6.5 (Final)

  2 Kernel \r on an \m

  1、建5用户vbirdN

  [root@linuxidc ~]# vi au.sh

  #!/bin/bash

  groupadd vbirdgroup

  for username in vbird1 vbird2 vbird3 vbird4 vbird5

  do

  useradd -G vbirdgroup $username

  echo “password” | passwd --stdin $username

  done

  [root@linuxidc ~]# sh au.sh

  Changing password for user vbird1.

  passwd: all authentication tokens updated successfully.

  Changing password for user vbird2.

  passwd: all authentication tokens updated successfully.

  Changing password for user vbird3.

  passwd: all authentication tokens updated successfully.

  Changing password for user vbird4.

  passwd: all authentication tokens updated successfully.

  Changing password for user vbird5.

  passwd: all authentication tokens updated successfully.

  2、扫一眼家目录

  [root@linuxidc ~]# ll /home/

  total 28

  drwx------。 4 vbird1 vbird1 4096 Dec 1 15:57 vbird1

  drwx------。 4 vbird2 vbird2 4096 Dec 1 15:57 vbird2

  drwx------。 4 vbird3 vbird3 4096 Dec 1 15:57 vbird3

  drwx------。 4 vbird4 vbird4 4096 Dec 1 15:57 vbird4

  drwx------。 4 vbird5 vbird5 4096 Dec 1 15:57 vbird5

  drwx------。 4 zxw zxw 4096 Sep 18 18:03 zxw

  瞅一下vb1的组和id

  [root@linuxidc ~]# id vbird1

  uid=503(vbird1) gid=504(vbird1) groups=504(vbird1),503(vbirdgroup)

  3、给刚建的这几个准备一个用于这几个用户都能访问的目录/home/vbirdgroup

  [root@linuxidc ~]# mkdir /home/vbirdgroup

  [root@linuxidc ~]# chgrp vbirdgroup /home/vbirdgroup/

  [root@linuxidc ~]# chmod 2770 /home/vbirdgroup/

  [root@linuxidc ~]# ll -d /home/linuxidc/

  drwx---rwx. 5 linuxidc linuxidc 4096 Sep 18 14:13 /home/linuxidc/

  设置第四位,它位于三位权限序列的前面,第四位数字取值是4,2,1,代表意思如下:

  4,执行时设置用户ID,用于授权给基于文件属主的进程,而不是给创建此进程的用户。

  2,执行时设置用户组ID,用于授权给基于文件所在组的进程,而不是基于创建此进程的用户。

  1,设置粘着位。

  4、现在 磁盘配额概要

  在/home下进行quota,需要如下:

  文件系统的支持

  quota 数据文件建置

  quota 启动

  建立用户 quota 信息

  5、将 /home 独立一个分区,因为 quota 仅支持 filesystem 而不支持单一目录

  /home上增加usrquota,grpquota

  [root@localhost ~]# nl /etc/fstab

  1 #

  2 # /etc/fstab

  3 # Created by anaconda on Tue Dec 2 18:52:50 2014

  4 #

  5 # Accessible filesystems, by reference, are maintained under ‘/dev/disk’

  6 # See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info

  7 #

  8 UUID=93cd7207-78c4-4a95-be1b-7451772c21ad / ext4 defaults 1 1

  9 UUID=9a982f8d-d590-49f2-9cf1-e07a5b8238dd /boot ext4 defaults 1 2

  10 UUID=c8939b59-9a73-45fa-bd5a-f016a5aa631e /home ext4 defaults,usrquota,grpquota 1 2

  11 UUID=1f3d9eaf-e140-47ab-ae99-fcf1516d2070 swap swap defaults 0 0

  12 tmpfs /dev/shm tmpfs defaults 0 0

  13 devpts /dev/pts devpts gid=5,mode=620 0 0

  14 sysfs /sys sysfs defaults 0 0

  15 proc /proc proc defaults 0 0

  6、卸载、加载/home,并查看/home项

  [root@localhost ~]# umount /home/; mount -a

  [root@localhost ~]# mount | grep home

  /dev/sda3 on /home type ext4 (rw,usrquota,grpquota)

  7、quotacheck生成配额文件,结果如下

  [root@localhost ~]# qutoacheck -avug

  -bash: qutoacheck: command not found

  [root@localhost ~]#


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  2. 视图: /www/wwwroot/www.pjwan.com/view/ww7/xt_show.htm
  3. 控制器: /www/wwwroot/www.pjwan.com/lecms/control/show_control.class.php
  4. 日志目录: /www/wwwroot/www.pjwan.com/log/
  5. 当前页面: /www/wwwroot/www.pjwan.com/index.php
  6. 当前时间: 2026-08-22 04:48:05
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  9. 运行时间: 1.7309
  10. 内存开销: 1.33 MB
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  2. #1 [time:0.0002s] SELECT * FROM le_runtime WHERE k='website_group_ali213_pjwan_com' LIMIT 1
  3. #2 [time:0.0003s] SELECT id FROM le_website_group WHERE webdomain='ali213.pjwan.com' AND is_active=1 ORDER BY id ASC LIMIT 0,1
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