1、systemd服务
[Unit]:服务的说明
Description:描述服务
After:描述服务类别
[Service]服务运行参数的设置
Type=forking是后台运行的形式
ExecStart为服务的具体运行命令
ExecReload为重启命令
ExecStop为停止命令
PrivateTmp=True表示给服务分配独立的临时空间
注意:启动、重启、停止命令全部要求使用绝对路径
[Install]服务安装的相关设置,可设置为多用户
以754的权限保存在目录:/usr/lib/systemd/system
1. nginx.service
cat nginx.service
[Unit]
Description=nginx - high performance web server
After=network.target remote-fs.target nss-lookup.target
[Service]
Type=forking
ExecStart=/usr/local/nginx/sbin/nginx -c /usr/local/nginx/conf/nginx.conf
ExecReload=/usr/local/nginx/sbin/nginx -s reload
ExecStop=/usr/local/nginx/sbin/nginx -s stop
[Install]
WantedBy=multi-user.target
2. mysql.service
[Unit]
Description=mysql
After=network.target remote-fs.target nss-lookup.target
[Service]
Type=forking
ExecStart=/usr/local/mysql/support-files/mysql.server start
#ExecReload=/usr/local/mysql/support-files/mysql.server restart
#ExecStop=/usr/local/mysql/support-files/mysql.server stop
#PrivateTmp=true
[Install]
WantedBy=multi-user.target
3. redis.service
[Unit]
Description=Redis
After=network.target remote-fs.target nss-lookup.target
[Service]
Type=forking
ExecStart=/usr/local/bin/redis-server /etc/redis.conf
ExecStartPost=/bin/sh -c "echo $MAINPID > /tmp/redis.pid"
ExecStop=kill -INT `cat /tmp/redis.pid`
User=www
Group=www
[Install]
WantedBy=multi-user.target
注意:User和Group(用户和用户组)
ExecStop:pid的存放位置
4. supervisord.service
[Unit]
Description=Process Monitoring and Control Daemon
After=rc-local.service
[Service]
Type=forking
ExecStart=/usr/bin/supervisord -c /etc/supervisord.conf
SysVStartPriority=99
[Install]
WantedBy=multi-user.target
2、init.d
3、rc.local
这种方式适合linux用户手动配置自启动程序。
具体实例可以参考nginx环境搭建
在/etc/rc.d/rc/local
文件中添加可执行脚本,例如:
cat /etc/rc.d/rc.local
...
# 添加如下内容:nginx自启动(开机启动)
#su - nginx -c "/opt/nginx/NginxAutoStart.sh"
/opt/nginx/NginxAutoStart.sh