对于使用最小化安装的centos7文件夹列表,注意链接方式的文件夹会在统计占用空间时不会算入的;
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看看占用空间(链接文件夹不会出现)
ok到这里,是否你知道每个大概多少足够了?
这里再看眼使用了几年的普通线上webserver的文件夹(ubuntu的)
看看占用空间情况(有mysql,nginx,php)
du -h -d 1
796K ./run
9.4M ./etc
4.0K ./opt
1.2G ./usr
640M ./lib
4.0K ./media
4.0K ./cdrom
172K ./build
5.0M ./tmp
4.0K ./mnt
8.0K ./srv
4.0K ./lib64
9.8M ./bin
272K ./root
du: cannot access â./proc/2121/task/2121/fd/4â: No such file or directory
du: cannot access â./proc/2121/task/2121/fdinfo/4â: No such file or directory
du: cannot access â./proc/2121/fd/4â: No such file or directory
du: cannot access â./proc/2121/fdinfo/4â: No such file or directory
du: cannot access â./proc/23692/task/23692/fd/26â: No such file or directory
du: cannot access â./proc/23692/task/23692/fd/35â: No such file or directory
du: cannot access â./proc/23692/task/23692/fd/39â: No such file or directory
0 ./proc
11M ./sbin
16K ./lost+found
264K ./home
86M ./boot
328G ./var
4.0K ./dev
0 ./sys
330G .
再看看var中的占用情况(mysql 的data是放在lib中,www是站点与一些相关备份)
ll
total 72
drwxr-xr-x 15 root root 4096 Sep 23 02:50 ./
drwxr-xr-x 24 root root 4096 Sep 23 02:45 ../
drwxrwxrwx 3 root root 4096 Sep 25 06:33 backups/
drwxr-xr-x 11 root root 4096 Sep 24 19:04 cache/
drwxrwsrwt 2 root whoopsie 4096 Nov 14 06:25 crash/
drwxr-xr-x 47 root root 4096 Sep 24 19:02 lib/
drwxrwsr-x 2 root staff 4096 Jan 21 2011 local/
lrwxrwxrwx 1 root root 9 Sep 23 02:50 lock -> /run/lock/
drwxrwxr-x 15 root syslog 4096 Nov 19 06:47 log/
drwx------ 2 root root 16384 May 21 2011 lost+found/
drwxrwsr-x 2 root mail 4096 May 21 2011 mail/
drwxrwsrwt 2 root whoopsie 4096 Sep 23 02:44 metrics/
drwxr-xr-x 2 root root 4096 May 21 2011 opt/
lrwxrwxrwx 1 root root 4 Sep 23 02:50 run -> /run/
drwxr-xr-x 5 root root 4096 Sep 23 04:01 spool/
drwxrwxrwt 2 root root 4096 Sep 23 03:04 tmp/
drwxr-xr-x 12 root root 4096 Nov 13 10:30 www/
占用空间
/var# du -h -d 1
16G ./lib
9.9G ./log
41G ./backups
4.0K ./opt
4.0K ./local
36K ./spool
16K ./lost+found
4.0K ./mail
17M ./crash
639M ./cache
4.0K ./metrics
262G ./www
4.0K ./tmp
328G .
var/www就没有什么好多说了.自己决定的
看看除了mysql外,其他东西占用多
/var# du -h -d 1 /var/lib/
12M /var/lib/php5
4.0K /var/lib/misc
15G /var/lib/mysql
8.0K /var/lib/update-manager
8.0K /var/lib/sudo
8.0K /var/lib/ureadahead
496K /var/lib/usbutils
20K /var/lib/update-notifier
74M /var/lib/mlocate
12K /var/lib/sgml-base
12K /var/lib/locales
140K /var/lib/ucf
8.0K /var/lib/vim
4.0K /var/lib/update-rc.d
20K /var/lib/initramfs-tools
14M /var/lib/aptitude
52K /var/lib/belocs
4.0K /var/lib/initscripts
4.0K /var/lib/dhcp
4.0K /var/lib/ubuntu-release-upgrader
32K /var/lib/apache2
4.0K /var/lib/git
8.0K /var/lib/logrotate
4.0K /var/lib/landscape
4.0K /var/lib/os-prober
4.0M /var/lib/nginx
12K /var/lib/AccountsService
24K /var/lib/libxml-sax-perl
12K /var/lib/xml-core
8.0K /var/lib/dbus
3.7M /var/lib/apt-xapian-index
4.0K /var/lib/ntpdate
8.0K /var/lib/apparmor
4.0K /var/lib/python
48K /var/lib/nssdb
32M /var/lib/dpkg
146M /var/lib/apt
8.0K /var/lib/pycentral
4.0K /var/lib/plymouth
4.0K /var/lib/libuuid
28K /var/lib/polkit-1
28K /var/lib/pam
8.0K /var/lib/urandom
32K /var/lib/systemd
4.0K /var/lib/insserv
16G /var/lib/
再看眼没用上的阿里去的server
[root@lsqvps /]# ll
total 96
dr-xr-xr-x. 2 root root 4096 Sep 23 15:55 bin
dr-xr-xr-x. 4 root root 4096 Jul 30 2013 boot
drwxr-xr-x 5 root root 4096 Sep 24 17:20 data
drwxr-xr-x 15 root root 3220 Oct 9 08:39 dev
drwxr-xr-x. 61 root root 4096 Oct 9 08:39 etc
drwxr-xr-x. 4 root root 4096 Sep 24 17:17 home
dr-xr-xr-x. 8 root root 4096 Mar 14 2014 lib
dr-xr-xr-x. 7 root root 12288 Sep 23 15:54 lib64
drwx------. 2 root root 16384 Dec 17 2012 lost+found
drwxr-xr-x. 2 root root 4096 Sep 23 2011 media
drwxr-xr-x. 2 root root 4096 Sep 23 2011 mnt
drwxr-xr-x. 2 root root 4096 Sep 23 2011 opt
dr-xr-xr-x 87 root root 0 Oct 9 16:39 proc
dr-xr-x---. 5 root root 4096 Sep 24 16:56 root
dr-xr-xr-x. 2 root root 4096 Sep 23 15:55 sbin
drwxr-xr-x. 2 root root 4096 Dec 17 2012 selinux
drwxr-xr-x. 2 root root 4096 Sep 23 2011 srv
drwxr-xr-x 13 root root 0 Oct 9 16:39 sys
drwxrwxrwt. 3 root root 4096 Oct 9 08:39 tmp
drwxr-xr-x. 13 root root 4096 Dec 17 2012 usr
drwxr-xr-x. 17 root root 4096 Sep 24 16:36 var
占用空间
[root@lsqvps /]# du -h --max-depth=1
164K ./dev
5.8M ./bin
0 ./sys
4.0K ./mnt
17M ./lib64
39M ./boot
245M ./var
278M ./root
778M ./usr
4.0K ./selinux
63M ./data
9.0M ./sbin
du: cannot access `./proc/8146/task/8146/fd/4': No such file or directory
du: cannot access `./proc/8146/task/8146/fdinfo/4': No such file or directory
du: cannot access `./proc/8146/fd/4': No such file or directory
du: cannot access `./proc/8146/fdinfo/4': No such file or directory
0 ./proc
6.6M ./etc
8.0K ./tmp
239M ./lib
4.0K ./opt
4.0K ./media
56K ./home
20K ./lost+found
4.0K ./srv
1.7G .
ok.到这里是不是就能够知道怎么分了呢.
用得足够久.或是看看别人同样的作用server.这里就非常easy知道怎么分了.
[root@lsqvps /]# du -h --max-depth=1
164K ./dev
5.8M ./bin
0 ./sys
4.0K ./mnt
17M ./lib64
39M ./boot.