UNIX系統常以超級服務器的方式提供多項網絡服務。超級服務器程序(因特網守護進程xineted/inted)同時監聽許多端口地址上的鏈接。python
sudo apt-get install xinetdubuntu
[python] view plaincopy服務器
fupeng@ubuntu :/etc$ cd xinetd.d 網絡
fupeng@ubuntu :/etc/xinetd.d$ ls spa
chargen daytime discard echo time .net
fupeng@ubuntu :/etc/xinetd.d$ vi daytime rest
fupeng@ubuntu :/etc/xinetd.d$ gedit daytime server
fupeng@ubuntu :/etc/xinetd.d$ chmod 777 daytime blog
chmod: changing permissions of `daytime': Operation not permitted 進程
fupeng@ubuntu :/etc/xinetd.d$ sudo chmod 777 daytime
fupeng@ubuntu :/etc/xinetd.d$ gedit daytime
fupeng@ubuntu :/etc/xinetd.d$ sudo /etc/init.d/xinetd start
* Starting internet superserver xinetd [fail]
fupeng@ubuntu :/etc/xinetd.d$ sudo /etc/init.d/xinetd start
[sudo] password for fupeng:
* Starting internet superserver xinetd [fail]
fupeng@ubuntu :/etc/xinetd.d$ sudo /etc/init.d/xinetd restart
* Stopping internet superserver xinetd [ OK ]
* Starting internet superserver xinetd [ OK ]
fupeng@ubuntu :/etc/xinetd.d$