Ubuntu apt-get不到最新版软件包解决方案

1.可能是系统版本太老的问题
解决办法换新系统
2.可能是apt源的问题
在/etc/apt目录下面有一个source.list文件，修改它，在后面加上下面几个源或者选择性加入

#官方源：

deb http://archive.ubuntu.com/ubuntu/ vivid main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ vivid-security main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ vivid-updates main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ vivid-proposed main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ vivid-backports main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ vivid main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ vivid-security main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ vivid-updates main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ vivid-proposed main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ vivid-backports main restricted universe multiverse
 

#中国数学物理大学源
deb http://debian.ustc.edu.cn/ubuntu/ vivid main multiverse restricted universe
deb http://debian.ustc.edu.cn/ubuntu/ vivid-backports main multiverse restricted universe
deb http://debian.ustc.edu.cn/ubuntu/ vivid-proposed main multiverse restricted universe
deb http://debian.ustc.edu.cn/ubuntu/ vivid-security main multiverse restricted universe
deb http://debian.ustc.edu.cn/ubuntu/ vivid-updates main multiverse restricted universe
deb-src http://debian.ustc.edu.cn/ubuntu/ vivid main multiverse restricted universe
deb-src http://debian.ustc.edu.cn/ubuntu/ vivid-backports main multiverse restricted universe
deb-src http://debian.ustc.edu.cn/ubuntu/ vivid-proposed main multiverse restricted universe
deb-src http://debian.ustc.edu.cn/ubuntu/ vivid-security main multiverse restricted universe
deb-src http://debian.ustc.edu.cn/ubuntu/ vivid-updates main multiverse restricted universe

#阿里云的源：
deb http://mirrors.aliyun.com/ubuntu/ vivid main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ vivid-security main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ vivid-updates main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ vivid-proposed main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ vivid-backports main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ vivid main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ vivid-security main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ vivid-updates main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ vivid-proposed main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ vivid-backports main restricted universe multiverse

 执行

sudo apt-get update

再安装试试

亲测有效。

作者：sarleon
链接：https://www.zhihu.com/question/41311332/answer/90517838
来源：知乎
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