安装软件 ,更新仓库

一.说明 

Ubun图的安装程序房子在仓库 ,  /etc/apt/sources.list 软件仓库地址

 1. echo   ""      /etc/apt/sources.list     //覆盖文件

2. nano      /etc/apt/sources.list  

3.使用虚拟机黏贴以下文件  

deb http://mirrors.163.com/ubuntu/ precise main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ precise-security main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ precise-updates main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ precise-proposed main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ precise-backports main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ precise main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ precise-security main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ precise-updates main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ precise-proposed main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ precise-backports main restricted universe multiverse

apt-get install //安装软件包

apt-get update //更新 列表

apt-get upgrade //升级

  二.安装 ssh 

1.查找 安装的软:  dpk -l  |grep  ssh  //

安装后的

2. apt-cache search ssh | grep ssh   //找到 ssh空格 开头的文件 

 //  在此以前   / 更新 /etc/apt/sources.list 仓库地址

//执行 :  apt-get  update  //更新列表

3. 安装程序  

apt-get install ssh

 

 三.ubuntu 软件安装 ;

1. 查询安装了那些安装包

dpkg -l | grep gedit // 过滤还有gedit的安装包

2. 查找仓库里面含有的 软件

apt-cache search gedit

3. 安装软件

apt-get install gedit

4. 卸载软件

apt-get remove gedit //删除文件 ,不删除配置文件

apt-get remove purge gedit //卸载软件,删除配置文件

5.下载不安装

apt-get download gedit