Start, stop and restart nginx, MySQL and PHP under Linux

LINUX start-up Nginx The order of :
One 、 Query whether to start
[[email protected] php-fpm.d]# ps -ef | grep nginx
root     25225     1  0 19:26 ?        00:00:00 nginx: master process /app/nginx/sbin/nginx
www      25229 25225  0 19:26 ?        00:00:00 nginx: worker process
root     25247 19431  0 19:30 pts/0    00:00:00 grep nginx

Two 、 start-up
[[email protected] php-fpm.d]# /app/nginx/sbin/nginx
[[email protected] php-fpm.d]# ps -ef | grep nginx  
root     25192     1  0 19:22 ?        00:00:00 nginx: master process /app/nginx/sbin/nginx
www      25193 25192  0 19:22 ?        00:00:00 nginx: worker process
root     25195 19431  0 19:22 pts/0    00:00:00 grep nginx

3、 ... and 、 stop it
Easy to stop Nginx：
kill -QUIT Main process number
[[email protected] php-fpm.d]# kill -QUIT 19513
[[email protected] php-fpm.d]# ps -ef | grep nginx
root     25190 19431  0 19:22 pts/0    00:00:00 grep nginx

Stop quickly Nginx：
kill -TERM Main process number
[[email protected] php-fpm.d]# kill -TERM 25192
[[email protected] php-fpm.d]# ps -ef | grep nginx
root     25203 19431  0 19:23 pts/0    00:00:00 grep nginx
[[email protected] php-fpm.d]# 

Force to stop Nginx：
kill -9 Main process number  
[[email protected] php-fpm.d]# kill -9 25205
[[email protected] php-fpm.d]# ps -ef | grep nginx
www      25206     1  0 19:24 ?        00:00:00 nginx: worker process
root     25210 19431  0 19:24 pts/0    00:00:00 grep nginx

Four 、 restart
[[email protected] php-fpm.d]# /app/nginx/sbin/nginx -s reload
[[email protected] php-fpm.d]# 

LINUX start-up MYSQL The order of :
One 、 start-up
[[email protected] host]# service mysqld start
Starting MySQL..                                           [  OK  ]
perhaps
[[email protected] host]# /etc/init.d/mysqld start
Starting MySQL..                                           [  OK  ]

Two 、 stop it
[[email protected] host]# service mysqld stop
Shutting down MySQL..                                      [  OK  ]
perhaps
[[email protected] host]# /etc/init.d/mysqld stop
Shutting down MySQL.                                       [  OK  ]

3、 ... and 、 restart
[[email protected] host]# service mysqld restart
Shutting down MySQL..                                      [  OK  ]
Starting MySQL..                                           [  OK  ]
perhaps
[[email protected] host]# /etc/init.d/mysqld restart
Shutting down MySQL..                                      [  OK  ]
Starting MySQL..                                           [  OK  ]

Four 、 see mysql Whether to start
[[email protected] host]# service mysqld status
MySQL running (24110)                                      [  OK  ]

[[email protected] host]# ps aux | grep mysqld

LINUX start-up PHP The order of :
service php-fpm restart

stop it PHP：
[[email protected] host]# pkill php-fpm
see 9000 port ：
[[email protected] host]# netstat -lnt | grep 9000
[[email protected] host]# 

start-up PHP：
[[email protected] sbin]# /app/php7.2/sbin/php-fpm
see 9000 port ：
[[email protected] sbin]# netstat -tunlp | grep 9000
tcp        0      0 127.0.0.1:9000              0.0.0.0:*                   LISTEN