ubuntu 軟件包(package)更換源(source)為阿裏雲鏡像 update&upgrade
阿新 • • 發佈:2018-09-01
main -s 估計 更新 source 16px 電腦 clas 訪問
在ubuntu下用apt-get install安裝軟件時,發現package list中沒有所需的軟件,
估計可能是package list太舊了,於是需要apt-get update & apt-get upgrade。
但又怕原始的源慢,故修改為阿裏雲鏡像。步驟如下:
1、備份原始源的配置文件:
sudo cp /etc/apt/sources.list /etc/apt/sources.list.bakcup
2、添加阿裏雲源到sources.list文件:
sudo vim /etc/apt/sources.list
deb http://mirrors.aliyun.com/ubuntu/ xenial main restricted universe multiversedeb http://mirrors.aliyun.com/ubuntu/ xenial-security main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ xenial-updates main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ xenial-proposed main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ xenial-backports main restricted universe multiversedeb-src http://mirrors.aliyun.com/ubuntu/ xenial main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ xenial-security main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ xenial-updates main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ xenial-proposed main restricted universe multiversedeb-src http://mirrors.aliyun.com/ubuntu/ xenial-backports main restricted universe multiverse
3、update & upgrade
sudo apt-get update sudo apt-get upgrade
這裏,再說一下update 和upgrade的區別:
update命令,會訪問源列表裏的每個網址,並讀取軟件列表,然後保存在本地電腦。
upgrade命令,會把本地已安裝的軟件,與剛下載的軟件列表裏對應軟件進行對比,如果發現已安裝的軟件版本太低,就會提示你更新。
總而言之,update是更新軟件列表,upgrade是更新軟件。
ubuntu 軟件包(package)更換源(source)為阿裏雲鏡像 update&upgrade