Vim repair, Telnet installation startup, Linux Update software source

 VimFIX:

Fix the premise that you go to UBUNTU can be networked, or can only be uninstalled, not installed

1.sudo Apt-get Remove Vim-common

2.sudo Apt-get Install Vim

telnet:Opentelnet:

1. First install the necessary telnet

in the terminal input command: sudo apt-get install xinetd telnetd

2. Configuration

1 ) sudo vi/etc/inetd.conf and add the following line

Telnet Stream TCP nowait telnetd/usr/sbin/tcpd/usr/sbin/in.telnetd

2 ) Input sudo vi/etc/xinetd.conf and add content:

# Simple configuration file for xinetd

   #

#Some defaults, and include/etc/xinetd.d/

Defaults

   {

#Please Note that you need a log_type line to being able to use log_on_success

#and log_on_failure. The default is the following:

#log_type = SYSLOG Daemon Info

instances =

log_type = SYSLOG Authpriv

log_on_success = HOST PID

log_on_failure = HOST

cps = +

   }

includedir/etc/xinetd.d

3 ) sudo vi/etc/xinetd.d/telnet and add the following content:

# Default:on

#description: The Telnet server serves Telnet sessions; it uses \

#unencrypted Username/password pairs for authentication.

Service Telnet

   {   

disable = no

flags = Reuse

socket_type = Stream

wait = no

user = root

Server = /usr/sbin/in.telnetd

log_on_failure + = USERID

   }

4 ) Restart the network service sudo/etc/init.d/xinetd Restart

5 ) can be logged on on another client ttelnet the server

Closetelnet:

1.ctrl +] Enter

2.quit Exit

UbuntuUpdate Source:

sudo cp/etc/apt/sources.list/etc/apt/sources.list.backup

sudo gedit/etc/apt/sources.list

Copy the following source to the sources.list can be

Deb Http://mirrors.163.com/ubuntu/precisemain Universe restricted multiverse

DEB-SRC http://mirrors.163.com/ubuntu/precise main Universe restricted multiverse

Deb Http://mirrors.163.com/ubuntu/precise-security Universe main Multiverse restricted

DEB-SRC http://mirrors.163.com/ubuntu/precise-security Universe main Multiverse restricted

Deb Http://mirrors.163.com/ubuntu/precise-updatesuniverse main Multiverse restricted

Deb Http://mirrors.163.com/ubuntu/precise-proposed Universe main Multiverse restricted

DEB-SRC http://mirrors.163.com/ubuntu/precise-proposed Universe main Multiverse restricted

Deb Http://mirrors.163.com/ubuntu/precise-backports Universe main Multiverse restricted

DEB-SRC Http://mirrors.163.com/ubuntu/precise-backports Universe main Multiverse restricted

DEB-SRC Http://mirrors.163.com/ubuntu/precise-updates Universe main Multiverse restricted