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Merc
Asked: 2017-02-24 22:39:16 +0800 CST

CentOs 7：如果 http 侦听特定的 IP 地址，它将不会在启动时启动

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我的 httpd.conf 中有这个：

Listen 216.XX.YY.ZZZZ:80

只是为了确保，我确保在启动时启用了 httpd：

systemctl httpd enable

当系统启动时，我有：

systemctl status httpd

● httpd.service - The Apache HTTP Server
   Loaded: loaded (/usr/lib/systemd/system/httpd.service; enabled; vendor preset: disabled)
   Active: failed (Result: exit-code) since Thu 2017-02-23 22:21:03 PST; 8min ago
  Process: 719 ExecStart=/usr/sbin/httpd $OPTIONS -DFOREGROUND (code=exited, status=1/FAILURE)
 Main PID: 719 (code=exited, status=1/FAILURE)

Feb 23 22:21:00 centosXXXXXX.aspadmin.net systemd[1]: Starting The Apache HTTP Server...
Feb 23 22:21:03 centosXXXXXX.aspadmin.net httpd[719]: (99)Cannot assign requested address: AH00072: make_sock: could not bind to address 216.XX.YY.XXX:80
Feb 23 22:21:03 centosXXXXXX.aspadmin.net httpd[719]: no listening sockets available, shutting down
Feb 23 22:21:03 centosXXXXXX.aspadmin.net httpd[719]: AH00015: Unable to open logs
Feb 23 22:21:03 centosXXXXXX.aspadmin.net systemd[1]: httpd.service: main process exited, code=exited, status=1/FAILURE
Feb 23 22:21:03 centosXXXXXX.aspadmin.net systemd[1]: Failed to start The Apache HTTP Server.
Feb 23 22:21:03 centosXXXXXX.aspadmin.net systemd[1]: Unit httpd.service entered failed state.
Feb 23 22:21:03 centosXXXXXX.aspadmin.net systemd[1]: httpd.service failed.

然后我可以通过运行来启动它：

systemctl start httpd

一切正常：

systemctl status httpd


● httpd.service - The Apache HTTP Server
   Loaded: loaded (/usr/lib/systemd/system/httpd.service; enabled; vendor preset: disabled)
   Active: active (running) since Thu 2017-02-23 22:31:53 PST; 3s ago
 Main PID: 2804 (httpd)
   Status: "Processing requests..."
   CGroup: /system.slice/httpd.service
       ├─2804 /usr/sbin/httpd -DFOREGROUND
       ├─2805 /usr/sbin/httpd -DFOREGROUND
       ├─2806 /usr/sbin/httpd -DFOREGROUND
       ├─2808 /usr/sbin/httpd -DFOREGROUND
       ├─2824 /usr/sbin/httpd -DFOREGROUND
       └─2831 /usr/sbin/httpd -DFOREGROUND

Feb 23 22:31:53 centosXXXXXX.aspadmin.net systemd[1]: Starting The Apache HTTP Server...
Feb 23 22:31:53 centosXXXXXX.aspadmin.net httpd[2804]: AH00558: httpd:     Feb 23 22:31:53 centosXXXXXX.aspadmin.net systemd[1]: Started The Apache HTTP Server.
Hint: Some lines were ellipsized, use -l to show in full.

使用. 中的普通网络脚本将 IP 分配给 eth0 /etc/sysconfig/network-scripts/ifcfg-eth0。

检查/lib/systemd/system/httpd.service我有：

[Unit]
Description=The Apache HTTP Server
After=network.target remote-fs.target nss-lookup.target

网上唯一类似的问题在这里：https ://unix.stackexchange.com/questions/207063/apache-httpd-failing-to-start-on-boot-centos-7但是，他们的建议：

systemctl enable NetworkManager-wait-online.service
Failed to execute operation: No such file or directory

似乎不起作用。

我完全迷路了。

centos httpd centos7 systemd rhel7

1 个回答

  1. Best Answer

    事实证明，您需要使用 NetworkManager 才能工作，因为您想等待 IP实际可用。CentOs 7 默认不安装 NetworkManager。

    所以：

    # yum install NetworkManager

    启用它：

    systemctl enable NetworkManager-wait-online

    然后：

    # systemctl edit httpd.service

    并添加：

    After=network.target NetworkManager-wait-online.service remote-fs.target nss-lookup.target

    此时，HTTPD 只会在 IP 分配给接口和 bingo 后才会启动，它才会真正启动。

    • 1

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