Ubuntu18.04 change Ali mirror source

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First check the host system version number

root@ubuntu-server:~# cat /etc/issue
Ubuntu 18.04.2 LTS \n \l

Backup system's own mirror source

root@ubuntu-server:~# root@ubuntu-server:~# cp /etc/apt/sources.list /etc/apt/sources.list.bak

Edit configuration file

Start of line:d+Gdelete all
iinsert shift+insertPaste the following content:

########   Ubuntu18.04 阿里云镜像源   ###############
deb http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse
########   阿里云镜像源 END  ###############

Feel the speedy internet speed~

root@ubuntu-server:~# apt-get update
Fetched 15.5 MB in 8s (1,871 kB/s)                                                     
Reading package lists... Done

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