linux sshd權限問題

sshd 爲加密登錄,因此有安全方面的要求,權限是不可能對全部的用戶開放.因此g和o用戶權限爲r
Starting sshd:/var/empty/sshd must be owned by root and not group or world-writable.
                                                            [FAILED]
這個是權限的問題
可採起如下兩步解決
chown   -R   root:root    /var/empty/sshd
chmod 744 /var/empty/sshd
service sshd restart
就能夠解決上述的問題
在機器上直接登陸,問題顯示以下:
  /var/empty/sshd must be owned by root and not group or world-writable.
  問題:
  Linux上的SSH沒法啓動
  報告/var/empty/sshd must be owned by root and not group or world-writable.
  解決辦法:
  首先經過物理終端進入到linux上,手工檢查ssh發現沒運行
  -bash-2.05b# /etc/init.d/sshd status
  sshd is stopped
  手工啓動服務,發現報告權限錯誤。
  -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 命令可檢查到ssh的軟件包正常,但某個目錄的屬主錯誤。
  -bash-2.05b# rpm -V openssh-server
  S.5..... c /etc/ssh/sshd_config
  .....U.. /var/empty/sshd
  -bash-2.05b#
  經查看發現這個目錄的屬主不是root,因此啓動ssh報錯
  -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#
  修改成root屬主,啓動成功
  -bash-2.05b# chown root /var/empty/sshd/
  -bash-2.05b# /etc/init.d/sshd start
  Starting sshd: [ OK ]
  -bash-2.05b#
  至此問題修復。
  另外,還能夠嘗試:
  這個是權限的問題
  可採起如下兩步解決
  chown -R root.root /var/empty/sshd
  chmod 744 /var/empty/sshd
  service sshd restart
  就能夠解決上述的問題。
Linux下Sshd服務 Starting Sshd:/Var/Empty/Sshd Must Be Owned By Root And Not Group Or World-Writable
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