【Linux】Ubuntu18.04更換鏡像軟件源

1 更換軟件源

ubuntu18.04版本。

修改的sources.list 文件爲apt軟件包配置地址，路徑在/etc/apt/文件夾內。

# 複製文件備份
sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak

#查看系統版本信息
lsb_release -c

#進入修改文件
sudo vim /etc/apt/sources.list

系統版本信息顯示的內容要找對應的軟件源地址，不然沒用。

進入配置文件後替換軟件源：

注意格式，註銷掉原來的地址

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

更新一下軟件：

#更新軟件列表
sudo apt-get update
# 真正更新
sudo apt-get upgrade

2 安裝軟件

安裝前習慣性先upgrade一下，再安裝相應軟件：

sudo apt-get upgrade
sudo apt-get install 軟件名