Linux Command Summary

• 1 VI Editor
• 2 File operations
  • 2.1 Deleting files
  • 2.2 Viewing files
  • 2.3 Creating a Folder
  • 2.4 Viewing file permissions
  • 2.5 Copying files
  • 2.6 Mobile
  • 2.7 Finding files
• 3 Viewing CPU Information
• 4 Process Management
• 5 Viewing logs
• 6 Compression and decompression
• 7 Network
  • 7.1 Network Configuration
  • 7.2 Network Management netstat command
• 8 Viewing disk IO
• 9 Users
• 10 Service Management
• 11 Process Management
• 12 Restart and shutdown
• CPU and Memory usage monitoring
• 14 Installing Ubuntu
• 15 Common tools
  • 15.1 Nano Editor
  • 15.2 Installing the OpenSSL Server
  • 15.3 Telnet
  • 15.4 wget
• 16 languages

1 VI Editor

Operation description

Exit command, enter:

Press ESC to enter command mode

Exit Command Q

Exit does not save q!

Save Exit Wq

Input

A enter a character after the cursor position

I enter characters before the cursor position

Delete

DD Delete Row

X Delete the selected characters

Line break

O Add a row below the cursor line and enter the input mode

O Add a row above the cursor line and enter the input mode

Find

Command mode input/what to look for

DD Delete a row

NDD Delete N rows

U undo

YY copy when moving forward

P Paste

Reference Address: http://man.ddvip.com/soft/vieditor/vi.html 2 File Operation 2.1 Deleting a file

Delete file rm [filename]

Delete a folder Rm-rf [directory]

Delete empty folder Rm–d [directory] 2.2 viewing files

All files under the LS folder

find–name [filename] Find file named filename in the current directory

Find/-name [filename] finds all files under the root directory named FileName 2.3 Create folder

Mkdir–p xx/xxx/xx 2.4 Viewing file permissions

ls–l [file name] 2.5 copying files

cp-r [File Absolute path src] [file absolute path dest]

Remote replication

SCP./*.tar.gz [Email protected]:/home/mysql/2.6 Mobile

mv/home/bruce/tomcat/apache-tomcat-7.0.41/usr/local/webserver/apache-tomcat-7.0.41 2.7 Finding files

Whereis XX

Find/-name XX 3 View CPU Information

To view the number of physical CPUs

grep ' physical id '/proc/cpuinfo | Sort-u | Wc-l

View number of cores

grep ' core ID '/proc/cpuinfo | sort-u| Wc-l

To view the number of threads

grep ' Processor '/proc/cpuinfo | Sort-u | Wc-l

View CPU Information

Cat/proc/cpuinfo 4 Process Management

Kill Process

Reference: http://os.51cto.com/art/200910/158639.htm

Kill [PID]

Kill-9 [PID]

Query Process Commands

Ps-ef|grep Java 5 Viewing logs

1) Dynamic View log:

Tail-f Xx.log

2) More commands:

More Xx.log

3) Less command:

Less Xx.log

4) VI command:

VI Xx.log 6 compression and decompression

Unpack

Tar xvf xx.gz

Packaged

TAR-CF A.txt.tar A.txt

Compress zip

Zip–q–r html.zip/home/blinux/html 7 Network 7.1 Network configuration

CentOS Configuration

Modify IP

Nano/etc/sysconfig/network-scripts/ifcfg-eth0

device=eth0bootproto=staticonboot=yesipaddr=192.168.1.200netmask=255.255.255.0gateway=192.168.1.1dns= 202.96.209.133

Restart Network

Service Network restart

Ubuntu configuration

1) Set the virtual machine networking mode to bridge

2) Change IP

Vi/etc/network/interfaces

In interfaces, add the following:

Auto eth0iface eth0 inet staticaddress 192.168.2.205netmask 255.255.255.0gateway 192.168.2.1

Edit/etc/resolv.conf

Add DNS server address:

NameServer 8.8.8.8

This will resolve the domain name

When you are finished, restart the networking service:

sudo/etc/init.d/networking restart

Reference

http://blog.istef.info/2008/10/02/setup-ssh-server-on-ubuntu-server/7.2 Network Management netstat command

View ports

Netstat-anp|grep 808 View Disk IO

Reference Documentation:

http://blog.csdn.net/qiudakun/article/details/4699587

Software Installation:

Yum Install Sysstat

Run command

Iostat-x 1 109 Users

Ubuntu:

Switch from user to root

sudo su

To cut back from the root user to a user

SU user

Centos:

Switch to root user

Su–root

Note-there is a space between and root 10 service management

View and close Services

Http://www.360doc.com/content/11/0111/13/3220382_85706376.shtml

sudo apt-get install sysv-rc-conf

sudo sysv-rc-conf

Operation:

• Positioning with keyboard keys
• Use a space to indicate a selection
• x = Open Service
• CTRL + N Next page
• Ctrl+p previous Page
• Q exit

11 Process Management

Kill process

Reference: http://os.51cto.com/art/200910/158639.htm

Kill [PID]

Kill-9 [pid]12 Restart and shutdown

Restart command:
1, reboot
2. shutdown-r now reboot (root user)
3, Shutdown-r 10 over 10 minutes automatic restart (root user use)
4, Shutdown-r 20:35 restart at 20:35 time (root user use)
If you set the restart through the shutdown command, you can cancel the restart with the Shutdown-c command.

Shutdown command:
1, halt immediately shut down the machine
2, Poweroff immediately shut down the machine
3, Shutdown-h now immediately shut down (root user use)
4, shutdown-h 10 10 minutes after the automatic shutdown

If you set the shutdown through the shutdown command, you can use the Shutdown-c command to cancel the restart CPU and memory usage monitoring

Top: View current process run status

Free: View Memory usage

Exit: q14 Install Ubuntu

Installing Ubuntu on a virtual machine

Download Ubuntu Server 13.04 from the official website

: Http://www.ubuntu.org.cn/download/server15 Common tool 15.1 Nano Editor

Reference Document: Http://www.linode.im/1277.html

Nano xxx

Ctrl+x: Exit 15.2 install OpenSSL Server

Service side:

sudo apt-get install Openssh-server

Configuration file

View port information, etc., default port 22

sudo nano/etc/ssh/sshd_config

Start command

Sudo/etc/init.d/ssh start

Sudo/etc/init.d/ssh Stop Stop

Sudo/etc/init.d/ssh Restart Restart

View SSH Run status

Netstat–tlp

Client: 15.3 Telnet

CentOS, Ubuntu

Yum list telnet* viewing Telnet-related installation packages

Yum Install telnet-server telnet Service

Yum Install telnet.* telnet Client 15.4 wget

Yum-y install wget16. Language

Export Lang=en_us

Original address: http://www.cnblogs.com/tangyanbo/p/4284332.html

Linux Command Summary