【推荐】2019 Java 开发者跳槽指南.pdf(吐血整理) >>> 
deb https://mirrors.tuna.tsinghua.edu.cn/linuxmint/ tara main upstream import backport
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-security main restricted universe multiverse
deb http://archive.canonical.com/ubuntu/ bionic partner
来源：oschina
链接：https://my.oschina.net/qwfys200/blog/3146307