Ubantu上E: Unable to locate package xxx的解决

  1. 修改sources.list可用的镜像
# 修改 apt-get 源的配置文件
sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak #备份
sudo vim /etc/apt/sources.list #修改
sudo apt-get update #更新列表
  1. 可用源如下
阿里云源
deb http://mirrors.aliyun.com/ubuntu/ trusty main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ trusty-security main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ trusty-updates main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ trusty-proposed main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ trusty-backports main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ trusty main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ trusty-security main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ trusty-updates main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ trusty-proposed main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ trusty-backports main restricted universe multiverse

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

搜狐源列表
deb http://mirrors.sohu.com/ubuntu/ utopic main restricted universe multiverse
deb http://mirrors.sohu.com/ubuntu/ utopic-security main restricted universe multiverse
deb http://mirrors.sohu.com/ubuntu/ utopic-updates main restricted universe multiverse
deb http://mirrors.sohu.com/ubuntu/ utopic-proposed main restricted universe multiverse
deb http://mirrors.sohu.com/ubuntu/ utopic-backports main restricted universe multiverse
deb-src http://mirrors.sohu.com/ubuntu/ utopic main restricted universe multiverse
deb-src http://mirrors.sohu.com/ubuntu/ utopic-security main restricted universe multiverse
deb-src http://mirrors.sohu.com/ubuntu/ utopic-updates main restricted universe multiverse
deb-src http://mirrors.sohu.com/ubuntu/ utopic-proposed main restricted universe multiverse
deb-src http://mirrors.sohu.com/ubuntu/ utopic-backports main restricted universe multiverse