Linux commonly used commands, learn the time to remember the commonly used to save convenient later use O (∩_∩) o haha

Service httpd Restart restart Apache
Service mysqld Restart restart MySQL

[-] [RWX] [R-x] [r--]
1 234 567 890
421 421 421

CHGRP: Change the file group example: CHGRP root (user group) testing (directory)
Chown: Change File owner example: chown cent (user) testing (directory)
chmod: Changing the properties of files, SUID, etc.

chmod (U-user, G-group, O-others, A-all) (R, W, x) files or directories chmod 777 Directory

mkdir Creating a Directory
Touch Create Profile

Su User Transform User
RM Directory Delete Directory

Cat is an instruction to read the contents of an archive

Ls-l/View and directory
Ls-al View All

Reboot restart
Halt shut down the machine
Shutdown-r now restart
Shutdown-h now shutdown

Shutdown-r 10 10 minutes after restart
Shutdown-r 10:0-point restart

Vi
I: Before the cursor
Save command

Press the ESC key to jump to command mode, and then:

: w save file but do not exit VI
: W file saves the modification to file and does not exit VI
: w! Forced to save, do not launch VI
: Wq save file and Exit VI
: wq! Force the file to be saved and exit VI
Q: Do not save file, Exit VI
: q! Do not save file, Force exit VI
: e! Discard all changes and edit from the last time the file was saved

Php-m See the extensions that PHP has installed
Yum Search plug-in name to install

Vim Find/Find content

/etc/httpd/conf.d/about the host binding domain name parsing

Change time in Beijing:
1.[[email protected] ~]# rm-rf/etc/localtime
2.[[email protected] ~]# ln-s/usr/share/zoneinfo/asia/shanghai/etc/localtime

Kill-9 26136 (number of services) kill process
Chkconfig Service name on open service

Linux commonly used commands, learn the time to remember the commonly used to save convenient later use O (∩_∩) o haha