Start nginx nginx -s reload
Shutdown -h now halt init 0
Shutdown -r now reboot init 6
Log out user: logout Ctrl + d
View IP address ifconfig
Compression command tar -zcvf compressed file name. tar.gz compressed file name
Track and view the error log tail -f file name
View process ps aux | grep mysql
View port netstat -tlunp | grep :3306
Create wwwroot (web root directory) mkdir /wwwroot
View the open ports of this machine netstat -tlunp
Test Nginx nginx -t
Restart Nginx nginx -s reload
Stop Nginx nginx -s stop
Restart PHP first ps aux | grep php-fpm //Find the master PID
After restarting PHP, kill -USR2 PID //Restart
Stop PHP kill -QUIT PID // stop
Login mysql mysql -uusername -p
Show databases
View mysql user information select user, host from mysql.user
Add mysql user grant all privileges on test.* to
‘ln1812’@‘192.168.91.%’ identified by ‘123456abc’;
Delete from mysql.user where user='xxxx' and host=''
Update mysql.user set
authentication_string=PASSWORD('xxxxx') where user='zhangsan';
View MySQL configuration information show variables like “%log_bin%”;
View table creation statement (DDL) show create table tb_name;
View MySQL thread show processlist
Kill a thread kill 100
Execute system command system xxx
Display the current database select database()
Database backup: mysqldump mysqldump -uroot -pxxxx db_name> xxx.sql
Export the entire database command: mysqldump -u username -p database name> exported file name
Import data: use db_name; source xxx.sql
Show master status\G
Show slave status show slave status\G
Stop slave
Start slave
Check the network: ping www.abc.com ping 192.68.xx
File share mapping Samba service smbd stop service smbd start
Completing the laravel framework composer install
git commit error to restore the previous version git reset --hard version number to be restored