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RHEL 6.4中解决xx用户不在sudoers列表,此事将被报告的问题

1.使用sudo service iptables status命令时报告没有权限:

[tansheng@localhost ~]$ sudo service iptables status[sudo] password for tansheng: tansheng 不在 sudoers 文件中。此事将被报告。[tansheng@localhost ~]$ 

2.从网上搜索得知需要修改/etc/sudoers文件,但是该文件对root用户都只有只读权限,后来查到linux已经预留了专门的命令visudo来编辑该文件:

[tansheng@localhost ~]$ visudovisudo:/etc/sudoers:权限不够visudo:/etc/sudoers:权限不够[tansheng@localhost ~]$ su - root密码:-bash: EDITOR: command not found[root@localhost ~]# visudovisudo:/etc/sudoers.tmp 未更改[root@localhost ~]# 

3.在切换到root用户下,用visudo编辑/etc/sudoers文件,加入一行:tansheng     ALL=(ALL)     ALL

## Syntax:####      user    MACHINE=COMMANDS#### The COMMANDS section may have other options added to it.#### Allow root to run any commands anywhereroot    ALL=(ALL)       ALL## Allows members of the sys group to run networking, software,## service management apps and more.# %sys ALL = NETWORKING, SOFTWARE, SERVICES, STORAGE, DELEGATING, PROCESSES, LOCATE, DRIVERS## Allows people in group wheel to run all commands# %wheel        ALL=(ALL)       ALLtansheng       ALL=(ALL)    ALL## Same thing without a password# %wheel        ALL=(ALL)       NOPASSWD: ALL## Allows members of the users group to mount and unmount the## cdrom as root


4.一切ok,tansheng用户可以使用sudo命令了

[root@localhost ~]# su - tansheng[tansheng@localhost ~]$ sudo service sshd status[sudo] password for tansheng: openssh-daemon (pid  2390) 正在运行...[tansheng@localhost ~]$ 

 

RHEL 6.4中解决xx用户不在sudoers列表,此事将被报告的问题