Common commands for SSH under the Linux VPS

Directory Operations:
RM-RF Mydir/* Delete Mydir directory, do not need confirmation, directly delete */
mkdir dirname/* Create a directory named DirName */
CD Mydir/* Enter the Mydir directory */
CD-* * Return to the directory where it was before entering this directory */
Cd.. /* Return to the top-level directory with spaces in the middle */
CD ~/* Back to Current User home directory */
MV Tools Tool/* Rename the Tools directory to tool */
Ln-s Tool BAC/* to the tool directory to create a symbolic link named BAC, the most familiar should be ftp in the WWW link to the public_html directory * *
Cp-a tool/home/vpser/www/* To copy the tool directory to the WWW directory */
LS/* Lists the contents of the current directory */

File operation:
RM Go.tar/* Delete go.tar file */
Find mt.cgi/* Look for files with file name mt.cgi */
DF-H/* View disk remaining space */

Unzip:
Tar xvf wordpress.tar/* Unzip files in tar format */
Tar TVF myfile.tar/* View files that are included in the tar file */

Tar CF Toole.tar Tool/* Package the tool directory as a Toole.tar file */
Tar zcf vpser.tar.gz Tool/* The tool directory is packaged and compressed into a vpser.tar.gz file because. tar files are almost uncompressed, and the. tar.gz file for MT is extracted to a. tar file almost 10MB */

Tar jcvf/var/bak/www.tar.bz2/var/www//* Create a. tar.bz2 file with a high compression rate */
Tar xjf www.tar.bz2/* Unzip the TAR.BZ2 format */

gzip-d ge.tar.gz/* Unzip the. tar.gz file to a. tar file */
Unzip Phpbb.zip/* Unzip the zip file, windows to compress a. tar.gz formatted file still a bit of a hassle.

Download:
wget http://soft.vpser.net/web/nginx/nginx-0.8.0.tar.gz
/* Download the files on the remote server to their own server, even the upload is saved, the server is not 100M is 1000M bandwidth, download a 2-3 trillion MT is not a few 10 seconds of things * *
Wget-c http://soft.vpser.net/web/nginx/nginx-0.8.0.tar.gz
/* Continue to download files that have not been downloaded last */

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Process Management:
Ps-aux/*ps Process Status Query command */

What the PS command output field means:
[List]
[*] User, name of the process owner.
[*] PID, process number, which uniquely identifies the process.
[*]%cpu, the percentage of CPU time and total time that the process has occupied since the most recent refresh.
[*]%mem, the percentage of memory used by the process.
[*] VSZ, the size of the virtual memory used by the process, in units of K.
[*] RSS, the total number of physical memory that the process occupies, in K.
[*] TTY, process-related terminal name.
[*] STAT, process state, Used (r--run or ready to run; s--sleep state; i--idle; z--frozen; d--uninterrupted sleep; W-process does not have a dwell page; t stops or tracks. ) These letters to indicate.
[*] Start, process start run time.
[*] The total CPU time used by the process.
[*] command that is executed on the line.
[/list]

Ps-aux | grep nginx/* In all processes, look for nginx processes */
Kill 1234/*1234 is the process ID, which is the pid*/in Ps-aux
Killall Nginx/*killall through the name of the program, directly kill all processes, Nginx for the process name */

Resource occupancy query:
df-sh/home/wwwroot/*/* View the footprint of each directory under/home/wwwroot/*/
FREE-M/* View memory Core swap usage */
Top/* Check the program's CPU, memory usage */
NETSTAT-NTL/* View Port Usage */

User management:
AddUser/* Add users, such as AddUser Vpser */
Deluser/* Delete user, such as Deluser Vpser */
passwd/* Change password, follow the prompts to enter the password, the password does not display */

vim operation: vim detailed Tutorial: http://www.vpser.net/manage/vi.html

To move a class:
H/J/K/L: Left/Bottom/top/right Shift one cell
W: Move Backward Word (number of words before adding numbers)
B: Move the forward word (number of words before adding numbers)
E: Move backwards to the end of the word
GE: Move forward to the end of the word
$ <End>: End of line
0 <Home>: Beginning of the line
TX: Find the bank's X to the right and move to it (left in uppercase)
33G: Move to line 33rd of the file
GG: First line of the file
G: End of File line
33%: 33% Places of the file
H/M/L: First/middle/last line of the screen
ZT/ZZ/ZB: The current line moves to the top/middle/bottom of the screen

Jump:
": Back to the place where the jump came
Ctrl-o: Jump to an "older" place
Ctrl-i <Tab>: Jump to a "newer" place

Find:
/: Look down (add keyword)
? : Look up (add keyword)
N: Next compliant record

Edit:
I: Convert to insert mode
X: Delete the current character
. : Repeat last modification (same as PS ctrl+f execution Filter)
U: Undo Action
Ctrl-r: Redo
P: Inserts the deleted character into the current position (put)

Exit Save:
: Q: Exit
: q! : Do not save exit
ZZ: Exit after saving
: e! : Discard modification and re-edit

Master these basic commands, the basic use of Linux has mastered, as long as more practice, encounter problems, solve problems, the ability will continue to improve.

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Common commands for SSH under the Linux VPS