1 添加用户
#添加组和用户
# groupadd release
# useradd -g release release
2 赋予release用户root的所有权限（使用的时候需要输入用户密码）
#vi /etc/sudoers
## Next comes the main part: which users can run what software on
## which machines (the sudoers file can be shared between multiple
## systems).
## Syntax:
##
## user MACHINE=COMMANDS
##
## The COMMANDS section may have other options added to it.
##
## Allow root to run any commands anywhere
root ALL=(ALL) ALL
release ALL=(ALL) ALL
#使用sudo需要先输入用户的密码
[root@zabbix home]# su - release
[release@zabbix ~]$ sudo ls -lrt /bin/
[sudo] password for release:
总用量 7992
-rwxr-xr-x. 1 root root 576 4月 17 2008 redhat_lsb_init
-rwxr-xr-x. 1 root root 33488 12月 9 2009 gettext
-rwxr-xr-x. 2 root root 53400 3月 1 2010 red
-rwxr-xr-x. 2 root root 53400 3月 1 2010 ed
-rwxr-xr-x. 1 root root 23672 3月 3 2010 setserial
-rwxr-xr-x. 1 root root 57480 5月 25 2010 traceroute
-rwxr-xr-x. 1 root root 238976 6月 16 2010 find
-rwxr-xr-x. 1 root root 363 6月 24 2010 unicode_stop
-rwxr-xr-x. 1 root root 2555 6月 24 2010 unicode_start
-rwxr-xr-x. 1 root root 42384 6月 24 2010 setfont
-rwxr-xr-x. 1 root root 112208 6月 24 2010 loadkeys
-rwxr-xr-x. 1 root root 11296 6月 24 2010 kbd_mode
-rwxr-xr-x. 1 root root 81120 6月 24 2010 dumpkeys
-rwxr-xr-x. 1 root root 178928 8月 12 2010 nano
-rwxr-xr-x. 1 root root 25560 2月 4 2012 keyctl
3 赋予release用户root的所有权限（使用的时候不需要输入用户密码）
[root@zabbix profile.d]# vi /etc/sudoers
## Next comes the main part: which users can run what software on
## which machines (the sudoers file can be shared between multiple
## systems).
## Syntax:
##
## user MACHINE=COMMANDS
##
## The COMMANDS section may have other options added to it.
##
## Allow root to run any commands anywhere
root ALL=(ALL) ALL
release ALL=(ALL) NOPASSWD: ALL
#使用时候无需输入密码
[root@zabbix home]# su - release
[release@zabbix ~]$ sudo ls -lrt /
总用量 102
drwxr-xr-x. 2 root root 4096 6月 28 2011 srv
drwxr-xr-x. 2 root root 4096 6月 28 2011 mnt
drwxr-xr-x. 2 root root 4096 6月 28 2011 media
drwxr-xr-x. 2 root root 4096 10月 26 2013 cgroup
drwx------. 2 root root 16384 5月 3 07:45 lost+found
drwxr-xr-x. 13 root root 4096 5月 3 07:47 usr
drwxr-xr-x. 20 root root 4096 5月 3 07:53 var
drwxr-xr-x. 3 root root 4096 5月 3 07:53 opt
dr-xr-xr-x. 5 root root 1024 5月 3 08:04 boot
dr-xr-x---. 3 root root 4096 5月 5 02:54 root
dr-xr-xr-x. 11 root root 4096 5月 5 02:57 lib
dr-xr-xr-x. 9 root root 12288 5月 5 05:13 lib64
dr-xr-xr-x. 2 root root 4096 5月 5 05:13 bin
dr-xr-xr-x. 2 root root 12288 5月 5 05:14 sbin
drwxr-xr-x. 2 root root 0 5月 8 06:07 misc
drwxr-xr-x. 2 root root 0 5月 8 06:07 net
drwxr-xr-x. 17 root root 3620 5月 8 06:07 dev
drwxr-xr-x. 3 root root 4096 5月 8 07:16 home
drwxrwxrwt. 4 root root 4096 5月 8 07:34 tmp
drwxr-xr-x. 105 root root 12288 5月 8 07:38 etc
dr-xr-xr-x. 101 root root 0 5月 8 2017 proc
drwxr-xr-x. 13 root root 0 5月 8 2017 sys
drwxr-xr-x. 7 root root 0 5月 8 2017 selinux
