apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1 for

本文介绍在Ubuntu系统上重启Apache2遇到的问题及解决办法。主要分为两种情况:普通Apache发行版通过修改http.conf文件;Ubuntu原生Apache2则需要编辑httpd.conf文件设置ServerName。

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  今天在ubuntu系统上重启apache时,出现了这个问题: apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1 for ServerName, 估计是httpd.conf,配置的问题,然后网上查了下,有两种情况:

 1.安装的是普通的apache发行版本,就应该是在usr/local/apache2/conf/目录下,用vim打开http.conf,将#ServerName www.example.com:80   把#去掉,再重启apache即可没事了

2.如果和我一样,安装的是ubuntu 原生的apache2,你会发现,httpd.conf,是空文件,这是因为对于ubuntu而说主配置文件是apache2.conf,而httpd.conf只是一个用户配置文件,但是我们只要在httpd.conf中加入SeverName:127.0.0.1:80,然后保存

就可以了


root@jiang:/etc/apache2# apache2ctl -M | grep mpm AH00558: apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1. Set the 'ServerName' directive globally to suppress this message mpm_prefork_module (shared) root@jiang:/etc/apache2# root@jiang:/etc/apache2# systemctl restart apache2 root@jiang:/etc/apache2# systemctl status apache2apache2.service - The Apache HTTP Server Loaded: loaded (/lib/systemd/system/apache2.service; enabled; vendor preset: enabled) Active: active (running) since Fri 2025-03-14 10:52:41 CST; 1s ago Docs: https://httpd.apache.org/docs/2.4/ Process: 75126 ExecStart=/usr/sbin/apachectl start (code=exited, status=0/SUCCESS) Main PID: 75130 (apache2) Tasks: 6 (limit: 9373) Memory: 13.3M CGroup: /system.slice/apache2.service ├─75130 /usr/sbin/apache2 -k start ├─75132 /usr/sbin/apache2 -k start ├─75133 /usr/sbin/apache2 -k start ├─75134 /usr/sbin/apache2 -k start ├─75135 /usr/sbin/apache2 -k start └─75136 /usr/sbin/apache2 -k start Mar 14 10:52:41 jiang systemd[1]: Starting The Apache HTTP Server... Mar 14 10:52:41 jiang apachectl[75129]: AH00558: apache2: Could not reliably determine the server's fully qualified domain nam> Mar 14 10:52:41 jiang systemd[1]: Started The Apache HTTP Server. root@jiang:/etc/apache2# ss -tulpn | grep ':8080' tcp LISTEN 0 511 *:8080 *:* users:(("apache2",pid=75136,fd=5),("apache2",pid=75135,fd=5),("apache2",pid=75134,fd=5),("apache2",pid=75133,fd=5),("apache2",pid=75132,fd=5),("apache2",pid=75130,fd=5)) root@jiang:/etc/apache2# ^C root@jiang:/etc/apache2# cat /proc/sys/net/ipv6/conf/all/disable_ipv6 0 root@jiang:/etc/apache2# apache2 -V | grep -i ipv6 [Fri Mar 14 10:53:26.989867 2025] [core:warn] [pid 81207] AH00111: Config variable ${APACHE_RUN_DIR} is not defined apache2: Syntax error on line 80 of /etc/apache2/apache2.conf: DefaultRuntimeDir must be a valid directory, absolute or relative to ServerRoot -D APR_HAVE_IPV6 (IPv4-mapped addresses enabled) root@jiang:/etc/apache2#
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03-15
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