As used herein, the Linux system is CentOS 7, the following describes the start apache service, close to the set. apache In CentOS 7 is generally installed by default, and the service name for httpd.
1. Install and view the apache configuration
# apache安装命令 $ sudo yum install httpd Loaded plugins: fastestmirror, langpacks Loading mirror speeds from cached hostfile Package httpd-2.4.6-45.el7.centos.4.x86_64 already installed and latest version Nothing to do # 查看apache文件的位置 $ sudo find / -name httpd /run/httpd /etc/logrotate.d/httpd /etc/sysconfig/httpd /etc/httpd /var/log/httpd /var/cache/httpd /usr/sbin/httpd /usr/lib64/httpd /usr/share/httpd /usr/include/httpd /usr/libexec/initscripts/legacy-actions/httpd
Apache configuration file is located in /etc/httpd/confthe main configuration file is /etc/httpd/conf/httpd.conf, apache configuration information can be seen in this file.
2. apache start the service on and off
# Start Service $ sudo systemctl Start httpd.service # View service $ PS the AUX | grep httpd root * 0.3 0.0 220 444 4956 Ss? 15 : 46 0 : 00 / usr / sbin / httpd - DFOREGROUND the Apache * 0.0 0.0 220 444 2492 ? S 15 : 46 0 : 00 / usr / sbin / httpd - DFOREGROUND the Apache * 0.0 0.0 220 444 2488 ? S 15:46 0:00 /usr/sbin/httpd -DFOREGROUND apache * 0.0 0.0 220444 2488 ? S 15:46 0:00 /usr/sbin/httpd -DFOREGROUND apache * 0.0 0.0 220444 2488 ? S 15:46 0:00 /usr/sbin/httpd -DFOREGROUND apache * 0.0 0.0 220444 2488? S 15 : 46 0 : 00 / usr / sbin / httpd - DFOREGROUND # stop the service $ sudo systemctl STOP httpd.service # restart the service $ sudo systemctl restart httpd.service