ubuntu怎么更新软件源

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1、使用快捷键【ctrl alt t】打开终端。

2、输入以下命令备份原有软件源文件。

cp /etc/apt/sources.list /etc/apt/sources.list.bak_yyyymmdd

3、再输入以下命令打开sources.list文件并添加新的软件源地址。

vi /etc/apt/sources.list #打开sources.list文件

在文件末尾添加新的软件源地址，相关地址如下

#阿里源地址
deb /d/file/20221022/byj1puzo0kb bionic main restricted universe multiverse
deb /d/file/20221022/byj1puzo0kb bionic-security main restricted universe multiverse
deb /d/file/20221022/byj1puzo0kb bionic-updates main restricted universe multiverse
deb /d/file/20221022/byj1puzo0kb bionic-proposed main restricted universe multiverse
deb /d/file/20221022/byj1puzo0kb bionic-backports main restricted universe multiverse
deb-src /d/file/20221022/byj1puzo0kb bionic main restricted universe multiverse
deb-src /d/file/20221022/byj1puzo0kb bionic-security main restricted universe multiverse
deb-src /d/file/20221022/byj1puzo0kb bionic-updates main restricted universe multiverse
deb-src /d/file/20221022/byj1puzo0kb bionic-proposed main restricted universe multiverse
deb-src /d/file/20221022/byj1puzo0kb bionic-backports main restricted universe multiverse
#中科大源地址
deb /d/file/20221022/z0puetp51ct bionic main restricted universe multiverse
deb-src /d/file/20221022/z0puetp51ct bionic main restricted universe multiverse
deb /d/file/20221022/z0puetp51ct bionic-updates main restricted universe multiverse
deb-src /d/file/20221022/z0puetp51ct bionic-updates main restricted universe multiverse
deb /d/file/20221022/z0puetp51ct bionic-backports main restricted universe multiverse
deb-src /d/file/20221022/z0puetp51ct bionic-backports main restricted universe multiverse
deb /d/file/20221022/z0puetp51ct bionic-security main restricted universe multiverse
deb-src /d/file/20221022/z0puetp51ct bionic-security main restricted universe multiverse
deb /d/file/20221022/z0puetp51ct bionic-proposed main restricted universe multiverse
deb-src /d/file/20221022/z0puetp51ct bionic-proposed main restricted universe multiverse
#163源地址
deb /d/file/20221022/ena3kjrree1 bionic main restricted universe multiverse
deb /d/file/20221022/ena3kjrree1 bionic-security main restricted universe multiverse
deb /d/file/20221022/ena3kjrree1 bionic-updates main restricted universe multiverse
deb /d/file/20221022/ena3kjrree1 bionic-proposed main restricted universe multiverse
deb /d/file/20221022/ena3kjrree1 bionic-backports main restricted universe multiverse
deb-src /d/file/20221022/ena3kjrree1 bionic main restricted universe multiverse
deb-src /d/file/20221022/ena3kjrree1 bionic-security main restricted universe multiverse
deb-src /d/file/20221022/ena3kjrree1 bionic-updates main restricted universe multiverse
deb-src /d/file/20221022/ena3kjrree1 bionic-proposed main restricted universe multiverse
deb-src /d/file/20221022/ena3kjrree1 bionic-backports main restricted universe multiverse
#清华源地址
deb /d/file/20221022/spppk1zwc5a bionic main restricted universe multiverse
deb-src /d/file/20221022/spppk1zwc5a bionic main restricted universe multiverse
deb /d/file/20221022/spppk1zwc5a bionic-updates main restricted universe multiverse
deb-src /d/file/20221022/spppk1zwc5a bionic-updates main restricted universe multiverse
deb /d/file/20221022/spppk1zwc5a bionic-backports main restricted universe multiverse
deb-src /d/file/20221022/spppk1zwc5a bionic-backports main restricted universe multiverse
deb /d/file/20221022/spppk1zwc5a bionic-security main restricted universe multiverse
deb-src /d/file/20221022/spppk1zwc5a bionic-security main restricted universe multiverse
deb /d/file/20221022/spppk1zwc5a bionic-proposed main restricted universe multiverse
deb-src /d/file/20221022/spppk1zwc5a bionic-proposed main restricted universe multiverse

4、最后输入命令更新系统软件源地址即可。

apt-get update
apt-get upgrade

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