ssh set to server

at initial state
netstatu -tul
可以查看
目前有建立的连线

install  ssh
會预設 ssh server 的功能  

tty 1 ~6 http://www.itkee.com/os/detail-4229.html

scp 教學

http://web.presby.edu/support/Terminal/scp.html


the following has many example in describing how to using the scp command


http://www.hypexr.org/linux_scp_help.php



basic


scp  -r    remote_user@remote_ip:/home/"the file I need to transfer"    /home/"local path to put"



-r :  means recursive copy the file

http://goodjack.blogspot.tw/2013/08/linux-phonetic-setting.html

linux version and kernel version

1. 看Linux版本

# cat /etc/issue*
----------------------------------------------
CentOS release 5.5 (Final)
Kernel \r on an \m

CentOS release 5.5 (Final)
Kernel \r on an \m
----------------------------------------------

2. 看Kernel的版號

# uname -a

or

# uname -r

centos X stop and start

init 3
This will stop X and X logins
Configure your X

startx 
Test your x. Then exit the session.

init 5
This restarts X logins. 

in inittab  ----> ???
在 這個檔案裏面這樣改

/etc/inittab

id:5:initdefault:    x server 被開啟 
id:3:initdefault     x server 預設 被關掉 

yum gcc-c++