实例解析:Linux操作系统上SSH无法启动

  •   2009-07-28/13:58
  •  

    在机器上直接登录,问题显示如下:

    /var/empty/sshd must be owned by root and not group or world-writable.

    问题:

    Linux上的SSH无法启动

    报告/var/empty/sshd must be owned by root and not group or world-writable.

    解决办法:

    首先通过物理终端进入到linux上,手工检查ssh发现没运行

    -bash-2.05b# /etc/init.d/sshd status

    sshd is stopped

    手工启动服务,发现报告权限错误。

    -bash-2.05b# /etc/init.d/sshd start

    Starting sshd:/var/empty/sshd must be owned by root and not group or world-writable.

    [FAILED]

    -bash-2.05b#

    使用rpm -V 命令可检查到ssh的软件包正常,但某个目录的属主错误。

    -bash-2.05b# rpm -V openssh-server

    S.5..... c /etc/ssh/sshd_config

    .....U.. /var/empty/sshd

    -bash-2.05b#

    经查看发现这个目录的属主不是root,所以启动ssh报错

    -bash-2.05b# ls -ld /var/empty/sshd/

    d--x--x--x 2 vu00106 root 1024 Feb 2 2005 /var/empty/sshd/

    -bash-2.05b#

    修改为root属主,启动成功

    -bash-2.05b# chown root /var/empty/sshd/

    -bash-2.05b# /etc/init.d/sshd start

    Starting sshd: [ OK ]

    -bash-2.05b#

    至此问题修复。

    另外,还可以尝试:

    这个是权限的问题

    可采取以下两步解决

    chown -R root.root /var/empty/sshd

    chmod 744 /var/empty/sshd

    service sshd restart

    就可以解决上述的问题。


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