Ubuntu Learning Note 3-summary of book Knowledge points

Free virtual machine software:VMware server

switch to root user under Ubuntu:

1,su

2, Sudo-s

3, sudo+ command

switch to general users under Ubuntu:

Su Chennan

Installation of the package:

sudo apt-get update

sudo apt-get Install

Ubuntu Default Editor:gedit

Find file Contents:grep a b( find ain file b )

View files:cat more Less

List file directories:dir

Use of wildcard characters:* ?

View version information:uname-a

View kernel information:uname-r

Users and user groups

sudo groupadd work

sudo usersdd-g work Chennan

sudo passwd Chennan

To delete a file:

rmdir/test/ Delete Empty directory

RM test/*.php Delete all php files for a folder

RM-RF test/Remove all php files for the folder recursively

SOURCE Installation:

1,tar-zxvf myplayer.tar.gz

TAR-JXVF myplayer.tar.bz2

2,./ocnfigure--prefix=usr/local/myplayer/bin

3,make

4.sudo make Install

Process:

PS aux viewing process

Kill ID End Process

Monitoring process:PS command

Trace process:top command

Network configuration:

sudo ifconfig eth0 192.168.1.12 netmask 255.255.255.0 up configuration network

sudo ifconfig eth0 down network

Ifconfig viewing network information

Netstat-r Viewing routing information

Host name and IP address mappings in the /etc/hosts file

Vi/etc/hosts

SSH -based file Transfer protocol:sftp SCP

Secure FTP:sftp

Copying files using ssh :SCP

Telnet

One:linux to Linux

Install Openssh software first on remote linux ,Openssh is linux SSH Server / Client Tools

1 installing sudo apt-get install ssh

2 starting sudo/etc/init.d/ssh start

Telnet Server: If the chennan user exists under a remote server

1 Login : ssh-l chennan 192.168.10.1

2 Login port:ssh-l chennan-p 192.168.10.1

3 login comes with graphical interface: ssh-x-l Chennan 192.168.10.1

Also use the VNC graphical interface to log in: If VNC software is installed on the remote host

1 Remote Host installation graphical:sudo apt-get install Vnc4-common vnc4server

4 Local host using VNC Login:vncserver

5 Local use of VNC Browse:vncviewer 127.0.0.1:1(install vncviewerfirst)

Two:windows to Linux:

Ssh client:Putty client:pietty client

Three:windows to Windows:

Talent Client

Four:Linux to Windows:

Method 1:software that can install VNC server onWindows

Method 2: install rdesktop on the local Linux , open the shell terminal,

Rdesktop-u Chennan 192.168.80.1

Use of Ssh

1 generate key pair:

SSH-KEYGEN-T RSA

2 Log on to the remote host:ssh 192.168.80.1-l Chennan

3 Copy the local key to the remote host:

mkdir. SSH

chmod. SSH

scp/home/chennan/.ssh/id_psa.pub [Email Protected]:/home/chennan/.ssh/authorized_keys

Ubuntu Learning Note 3-summary of book Knowledge points