Linux command accumulation

　　

• Common commands

Ipconfig-view native IP, interface and other information

Ping ip-ping remote server or terminal

CD ~-Return to the root directory

Cd.. Return to Parent Directory

Cd..  /.. Return to the top level two directory

CD temp/into the temp directory under the current directory

Description: The directory structure of Linux, "." Represents the current directory, "..." Represents the parent directory of the current directory, "/" for the root directory

NETSTAT-NTLP |grep 9000 View 9000 port usage process (assuming process PID is 1354)

Kill-9 1353 forced to kill the PID 1354 process

Top View Server Resource Usage

• Installation of MySQL under Linux

• File editing under Linux
  • VI File Directory/* Open the file and enter command mode */
  • I/* input I, into Insert edit mode (insert) */
  • Press ESC/* to exit to command mode */
  • : Wq/* Save and Exit */
  • : wq! /* Force Save Exit */
  • : q! /* Force Exit */

Get root Permissions

Switch to root:

Esc-es

Su-

Sudo-es switches to the root user and can bring the environment variables over

Exit Command: CTRL + C

View disk space: DF-HL

To view server Resource usage: top

Change the owner of a File/folder: Chown username xxx

Add a user xxx to the root group: usermod-g rootgroup XXX

Change the permissions of XXX to readable writable executable: chmod-r 777 xxx

Delete all files under the Dir folder: rm-rf/dir/*

Delete all files under current folder: RM-RF *

Linux command accumulation