ubuntu 执行apt-get install **时，报Unable to locate package **

错误信息：

Reading package lists... Done Building dependency tree        Reading state information... Done E: Unable to locate package git

原因：

需要更新etc/apt/sources.list文件。

解决办法：

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将sources.list中的源信息更新成国内的，具体有哪些可用源信息，可以从网上搜索，下面是一个可用的源配置：

 

（适用于ubuntu12.04源）

deb http://mirrors.163.com/ubuntu/ precise main 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-updates universe 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

(适用于ubuntu14.04源)

deb http://mirrors.sohu.com/ubuntu/ trusty main restricted universe multiverse

deb http://mirrors.sohu.com/ubuntu/ trusty-security main restricted universe multiverse

deb http://mirrors.sohu.com/ubuntu/ trusty-updates main restricted universe multiverse

deb http://mirrors.sohu.com/ubuntu/ trusty-proposed main restricted universe multiverse

deb http://mirrors.sohu.com/ubuntu/ trusty-backports main restricted universe multiverse

deb-src http://mirrors.sohu.com/ubuntu/ trusty main restricted universe multiverse

deb-src http://mirrors.sohu.com/ubuntu/ trusty-security main restricted universe multiverse

deb-src http://mirrors.sohu.com/ubuntu/ trusty-updates main restricted universe multiverse

deb-src http://mirrors.sohu.com/ubuntu/ trusty-proposed main restricted universe multiverse

deb-src http://mirrors.sohu.com/ubuntu/ trusty-backports main restricted universe multiverse

 

 

通知ubuntu启用新的更新源，使sources.list生效，执行下面的命令：

sudo apt-get update