Linux Common commands

Since the project project is using a Linux server, more Linux commands are used to record the commands commonly used in CentOS.

1. Three modes of VIM

2, decompression related

3. User-related

4. File related

5. Various view commands

1. Three modes of VIM

VI File name//command line mode, enter the file

Enter I//insert mode to edit the file

Click ESC, enter colon//Bottom line mode, enter Wq, save and exit; q! Do not save exit

2, decompression related

XXX.tar.gz Decompression: TAR-ZXVF XXX.tar.gz

Xxx.tar for decompression: TAR-XVF Xxx.tar

Xxx.zip for decompression: Unzip Xxx.zip

3. User-related

useradd New//Create new user
password new//Set password for new
su New//Switch to new this user
Password//change password for current user

4. File related

mkdir New//Create a folder with the name new

Touch New/new01.txt//New file under folder is New01.txt

chmod 755 New01.txt//Authorized all user access rights

CP Source path/File destination path///copy source file to destination path

SCP Source server/File destination server/File//server replication

Rm-rf folder or file//do not prompt and delete

MV Source path/File destination path/File//Move source file to destination path

MV filename. txt file name 1.txt//modify file name

5. Various view commands

Df-lh                                                  //view disk information
Lsb_release-a         &NBS P                        //View system version information
Free   &NBSP ;                          ,         &NB Sp              //view memory information
Top                 & nbsp                          ,         &NB Sp  //view occupy resource top resource process

Netstat-anpl|grep Service//View service port number
PS-EF|GREP Service Name//See if the service is installed

Ps-aux | grep Service//Check whether the service is running

NETSTAT-TULNP//View the ports on which the listening state is turned on

Netstat-anp|grep port number//view ports usage

tail-f filename// will display the last content of filename on the screen

Linux Common commands