nginx--启动 hup stop执行过程

nginx.conf配置:

worker_processes  8;
worker_cpu_affinity 00000001 00000010 00000100 00001000 00010000 00100000 01000000 10000000;

worker_rlimit_nofile 204800;

error_log  /home/work/orp/log/error_log  debug;
pid  /home/work/orp/var/nginx.pid;

events {
    use epoll;
    worker_connections  204800;
}

http {

-- 省略具体的配置

}

启动执行过程:

启动命令:

/usr/bin/nginx 

或者

/usr/bin/nginx -t -c ~/mynginx.conf -g "pid /var/run/nginx.pid; worker_processes 2;"

执行过程:

master读取nginx.conf、执行配置中命令->启动worker进程

Hup执行过程:

nginx -p /home/work/nginx_dir/ -s reload

重新读取配置->启动worker进程(worker进程的数量是nginx.conf中配置的)->结束之前的worker进程

停止执行过程:

kill -s QUIT $pid

结束worker进程

根据提供的引用内容,我们可以得知需要将nginx添加到service服务中,这样才能够方便地启动nginx。具体步骤如下: 1. 进入nginx目录并执行configure命令进行配置: ```shell cd nginx-1.19.9 ./configure ``` 2. 执行make命令进行编译: ```shell make ``` 3. 执行make install命令进行安装: ```shell make install ``` 4. 将nginx添加到service服务中: ```shell vi /etc/init.d/nginx ``` 在文件中添加以下内容: ```shell #!/bin/sh # # nginx - this script starts and stops the nginx daemon # # chkconfig: - 85 15 # description: NGINX is an HTTP(S) server, HTTP(S) reverse \ # proxy and IMAP/POP3 proxy server # processname: nginx # config: /usr/local/nginx/conf/nginx.conf # pidfile: /usr/local/nginx/logs/nginx.pid # Source function library. . /etc/rc.d/init.d/functions # Source networking configuration. . /etc/sysconfig/network # Check that networking is up. [ "$NETWORKING" = "no" ] && exit 0 nginx="/usr/local/nginx/sbin/nginx" prog=$(basename $nginx) NGINX_CONF_FILE="/usr/local/nginx/conf/nginx.conf" [ -f /etc/sysconfig/nginx ] && . /etc/sysconfig/nginx lockfile=/var/lock/subsys/nginx make_dirs() { # make required directories user=`$nginx -V 2>&1 | grep "configure arguments:" | sed 's/[^*]*--user=\([^ ]*\).*/\1/g' -` options=`$nginx -V 2>&1 | grep 'configure arguments:'` for opt in $options; do if [ `echo $opt | grep '.*-temp-path'` ]; then value=`echo $opt | cut -d "=" -f 2` if [ ! -d "$value" ]; then # echo "creating" $value mkdir -p $value && chown -R $user $value fi fi done } start() { [ -x $nginx ] || exit 5 [ -f $NGINX_CONF_FILE ] || exit 6 make_dirs echo -n $"Starting $prog: " daemon $nginx -c $NGINX_CONF_FILE retval=$? echo [ $retval -eq 0 ] && touch $lockfile return $retval } stop() { echo -n $"Stopping $prog: " killproc $prog -QUIT retval=$? echo [ $retval -eq 0 ] && rm -f $lockfile return $retval } restart() { configtest || return $? stop sleep 1 start } reload() { configtest || return $? echo -n $"Reloading $prog: " killproc $nginx -HUP RETVAL=$? echo } force_reload() { restart } configtest() { $nginx -t -c $NGINX_CONF_FILE } rh_status() { status $prog } rh_status_q() { rh_status >/dev/null 2>&1 } case "$1" in start) rh_status_q && exit 0 $1 ;; stop) rh_status_q || exit 0 $1 ;; restart|configtest) $1 ;; reload) rh_status_q || exit 7 $1 ;; force-reload) force_reload ;; status) rh_status ;; condrestart|try-restart) rh_status_q || exit 0 ;; *) echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload|configtest}" exit 2 esac ``` 5. 修改nginx文件权限并启动nginx: ```shell chmod +x /etc/init.d/nginx service nginx start ``` 至此,nginx已经成功添加到service服务中,并且可以通过以下命令启动: ```shell service nginx start ```
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