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[root@DBSVR01 e]# service httpd status
httpd is stopped
[root@DBSVR01 e]# apachectl start
httpd: Could not reliably determine the server's fully qualified domain name, using 168.168.80.8 for ServerName
[root@DBSVR01 e]# vim /etc/hosts
[root@DBSVR01 e]#

[root@DBSVR01 e]# apachectl start
httpd: Could not reliably determine the server's fully qualified domain name, using 168.168.80.8 for ServerName
[root@DBSVR01 e]# vim /etc/hosts
[root@DBSVR01 e]# apachectl -k start
httpd: Could not reliably determine the server's fully qualified domain name, using 168.168.80.8 for ServerName
httpd (pid 1733) already running
[root@DBSVR01 e]# service httpd start
Starting httpd:
[root@DBSVR01 e]# service httpd status
httpd (pid  1733) is running...
[root@DBSVR01 e]#

[root@DBSVR01 e]# service httpd restart
Stopping httpd:                                            [  OK  ]
Starting httpd: httpd: Could not reliably determine the server's fully qualified domain name, using 168.168.80.8 for ServerName
                                                           [  OK  ]
[root@DBSVR01 e]#

（httpd.exe: Could not reliably determine the server's fully qualified domain name, using 192.168.1.111 for ServerName）
是因为DNS没配置好. 如果不想配置DNS, 就在httpd.conf , 在最前加入 ServerName localhost:80 即可

[root@DBSVR01 e]# /usr/sbin/apachectl -k stop
httpd: Could not reliably determine the server's fully qualified domain name, using 168.168.80.8 for ServerName
[root@DBSVR01 e]# service httpd status
httpd dead but subsys locked
[root@DBSVR01 e]# service httpd restart
Stopping httpd:                                            [FAILED]
Starting httpd: httpd: Could not reliably determine the server's fully qualified domain name, using 168.168.80.8 for ServerName
                                                           [  OK  ]
[root@DBSVR01 e]# i

[root@DBSVR01 e]# /usr/sbin/apachectl help
Usage: /usr/sbin/httpd [-D name] [-d directory] [-f file]
                       [-C "directive"] [-c "directive"]
                       [-k start|restart|graceful|graceful-stop|stop]
                       [-v] [-V] [-h] [-l] [-L] [-t] [-S]
Options:
  -D name            : define a name for use in <IfDefine name> directives
  -d directory       : specify an alternate initial ServerRoot
  -f file            : specify an alternate ServerConfigFile
  -C "directive"     : process directive before reading config files
  -c "directive"     : process directive after reading config files
  -e level           : show startup errors of level (see LogLevel)
  -E file            : log startup errors to file
  -v                 : show version number
  -V                 : show compile settings
  -h                 : list available command line options (this page)
  -l                 : list compiled in modules
  -L                 : list available configuration directives
  -t -D DUMP_VHOSTS  : show parsed settings (currently only vhost settings)
  -S                 : a synonym for -t -D DUMP_VHOSTS
  -t -D DUMP_MODULES : show all loaded modules
  -M                 : a synonym for -t -D DUMP_MODULES
  -t                 : run syntax check for config files
[root@DBSVR01 e]#