Centos7 Httpd 服务器挂起

Question

我在用centos7的时候重启httpd服务

systemctl restart httpd.service

它告诉我这个错误。

-- Logs begin at Tue 2015-04-07 22:25:29 UTC, end at Tue 2015-07-14 21:48:12 UTC. --
Jul 14 21:48:12 www.rise.global systemd[1]: Starting The Apache HTTP Server...
-- Subject: Unit httpd.service has begun with start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit httpd.service has begun starting up.
Jul 14 21:48:12 www.rise.global httpd[20042]: (98)Address already in use: AH00072: make_sock: could not bind to address [::]:80
Jul 14 21:48:12 www.rise.global httpd[20042]: (98)Address already in use: AH00072: make_sock: could not bind to address 0.0.0.0:80
Jul 14 21:48:12 www.rise.global httpd[20042]: no listening sockets available, shutting down
Jul 14 21:48:12 www.rise.global httpd[20042]: AH00015: Unable to open logs
Jul 14 21:48:12 www.rise.global systemd[1]: httpd.service: main process exited, code=exited, status=1/FAILURE
Jul 14 21:48:12 www.rise.global kill[20043]: kill: cannot find process ""
Jul 14 21:48:12 www.rise.global systemd[1]: httpd.service: control process exited, code=exited status=1
Jul 14 21:48:12 www.rise.global systemd[1]: Failed to start The Apache HTTP Server.
-- Subject: Unit httpd.service has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit httpd.service has failed.
--
-- The result is failed.
Jul 14 21:48:12 www.rise.global systemd[1]: Unit httpd.service entered failed state.

我检查服务器没有其他服务正在使用 80 端口使用

[root@www ~]# netstat -tulpn | grep 80
tcp        0      0 0.0.0.0:48001           0.0.0.0:*               LISTEN      2573/nimbus(spooler
tcp        0      0 0.0.0.0:48000           0.0.0.0:*               LISTEN      1412/nimbus(control
tcp6       0      0 :::80                   :::*                    LISTEN      9327/httpd
udp        0      0 0.0.0.0:48000           0.0.0.0:*                           1412/nimbus(control
udp6       0      0 fe80::225:90ff:fefa:123 :::*                                2747/ntpd
udp6       0      0 fe80::225:90ff:fefa:123 :::*                                2747/ntpd

我知道 killall -9 httpd 并重新启动服务器的解决方案。但我没有备份服务器，我很困惑这样做。请告诉我在这种情况下有什么替代方法和安全步骤。

我担心停机。

Answer 1

当我给 killall5 -9 httpd 时，我与我的 ssh 断开连接，我需要从 web 面板重新启动服务器。重启后我发现一切都很好。