全新安装 Ubuntu 16.04 服务器 tty1
26 packages can be updated
12 updates are security updates.
当我尝试使用时sudo apt-get update，会出现：
Err:1 http://ro.archive.ubuntu.com/ubuntu xenial InRelease
temporary failure resolving 'ro.archive.ubuntu.com'
Err:2 http://ro.archive.ubuntu.com/ubuntu xenial-security InRelease
temporary failure resolving 'ro.archive.ubuntu.com'
Err:3 ... xenial-updates InRelease
temporary failure resolving 'ro.archive.ubuntu.com'
Err:4... xenial-backports InRelease
temporary failure resolving 'ro.archive.ubuntu.com'
Failed to fetch http://ro.archive.ubuntu.com/ubuntu xenial InRelease
temporary failure resolving 'ro.archive.ubuntu.com'
failed to fetch ....
...
some index failed to download. They gave been ignored,or old ones used instead.
我跑了 …