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生成nginx.pid文件

#验证nginx的配置，并生成nginx.pid文件
/usr/local/nginx/sbin/nginx -t
#pid文件目录在 /usr/local/nginx/run/nginx.pid

设置systemctl启动nginx

#添加之前需要先关闭启动状态的nginx，让nginx是未启动状态
#关闭nginx
/usr/local/nginx/sbin/nginx -s quit
#添加nginx.service文件
touch /lib/systemd/system/nginx.service
#向文件写入配置
tee /lib/systemd/system/nginx.service << EOF
[Unit]                                                          #对服务的说明
Description=nginx - high performance web server                 #描述服务
After=network.target remote-fs.target nss-lookup.target         #描述服务类别[Service]                                                       #服务的一些具体运行参数的设置
Type=forking                                                    #后台运行的形式
PIDFile=/usr/local/nginx/run/nginx.pid                         #PID文件的路径
ExecStartPre=/usr/local/nginx/sbin/nginx -t -c /usr/local/nginx/conf/nginx.conf     #启动准备
ExecStart=/usr/local/nginx/sbin/nginx -c /usr/local/nginx/conf/nginx.conf           #启动命令
ExecReload=/usr/local/nginx/sbin/nginx -s reload                                    #重启命令
ExecStop=/usr/local/nginx/sbin/nginx -s stop                                        #停止命令
ExecQuit=/usr/local/nginx/sbin/nginx -s quit                                        #快速停止
PrivateTmp=true                                                                     #给服务分配临时空间[Install]
WantedBy=multi-user.target                                                          #服务用户的模式
EOF
#在启动服务之前，需要先重载systemctl命令
systemctl systemctl daemon-reload
systemctl start nginx.service
systemctl status nginx

#添加之前需要先关闭启动状态的nginx，让nginx是未启动状态
#关闭nginx
/usr/local/nginx/sbin/nginx -s quit
#添加nginx.service文件
touch /lib/systemd/system/nginx.service
#向文件写入配置
tee /lib/systemd/system/nginx.service << EOF
[Unit]
Description=nginx - high performance web server
After=network.target remote-fs.target nss-lookup.target
[Service]
Type=forking
PIDFile=/usr/local/nginx/run/nginx.pid
ExecStartPre=/usr/local/nginx/sbin/nginx -t -c /usr/local/nginx/conf/nginx.conf
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
ExecQuit=/usr/local/nginx/sbin/nginx -s quit
PrivateTmp=true[Install]
WantedBy=multi-user.target
EOF
#在启动服务之前，需要先重载systemctl命令
systemctl systemctl daemon-reload
systemctl start nginx.service
systemctl status nginx