Ubuntu换源

换源方法:

Ubuntu系统中，软件源文件地址为：/etc/apt/sources.list

先备份原来的源

sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak

打开/etc/apt/sources.list文件，将其中的源替换成你像要的源

(使用你熟悉的文件管理器进行更换,下面为vim指令)

sudo vim /etc/apt/sources.list

源地址:

推荐:

1.Ubuntu官方源

1.默认：

##本文为20.04LTS
##本文为20.04LTS
deb http://archive.ubuntu.com/ubuntu/ focal main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ focal-security main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ focal-updates main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ focal-backports main restricted universe multiverse
##測試版源
#deb http://archive.ubuntu.com/ubuntu/ focal-proposed main restricted universe multiverse
# 源碼
deb-src http://archive.ubuntu.com/ubuntu/ focal main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ focal-security main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ focal-updates main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ focal-backports main restricted universe multiverse
##測試版源
#deb-src http://archive.ubuntu.com/ubuntu/ focal-proposed main restricted universe multiverse

2.官方中国镜像

##本文为20.04LTS
deb http://cn.archive.ubuntu.com/ubuntu/ focal main restricted universe multiverse
deb http://cn.archive.ubuntu.com/ubuntu/ focal-security main restricted universe multiverse
deb http://cn.archive.ubuntu.com/ubuntu/ focal-updates main restricted universe multiverse
deb http://cn.archive.ubuntu.com/ubuntu/ focal-backports main restricted universe multiverse
##測試版源
deb http://cn.archive.ubuntu.com/ubuntu/ focal-proposed main restricted universe multiverse
# 源碼
deb-src http://cn.archive.ubuntu.com/ubuntu/ focal main restricted universe multiverse
deb-src http://cn.archive.ubuntu.com/ubuntu/ focal-security main restricted universe multiverse
deb-src http://cn.archive.ubuntu.com/ubuntu/ focal-updates main restricted universe multiverse
deb-src http://cn.archive.ubuntu.com/ubuntu/ focal-backports main restricted universe multiverse
##測試版源
deb-src http://cn.archive.ubuntu.com/ubuntu/ focal-proposed main restricted universe multiverse

2.清华大学源

https://mirrors.tuna.tsinghua.edu.cn/help/ubuntu/

##20.04LTS
# 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-updates main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-updates main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-backports main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-backports main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-security main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-security main restricted universe multiverse

# 预发布软件源，不建议启用
# deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-proposed main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-proposed main restricted universe multiverse

##22.04LTS
# 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-updates main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-updates main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-backports main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-backports main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-security main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-security main restricted universe multiverse

# 预发布软件源，不建议启用
# deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-proposed main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-proposed main restricted universe multiverse

企业源:

阿里云开源镜像站： http://mirrors.aliyun.com/
搜狐开源镜像站：http://mirrors.sohu.com/
网易开源镜像站：http://mirrors.163.com/

教育源:

重庆大学：
http://mirrors.cqu.edu.cn/
北京理工大学：
http://mirror.bit.edu.cn (IPv4 only)
http://mirror.bit6.edu.cn (IPv6 only)
北京交通大学：
http://mirror.bjtu.edu.cn (IPv4 only)
http://mirror6.bjtu.edu.cn (IPv6 only)
http://debian.bjtu.edu.cn (IPv4+IPv6)
兰州大学：http://mirror.lzu.edu.cn/
厦门大学：http://mirrors.xmu.edu.cn/
上海交通大学：
http://ftp.sjtu.edu.cn/ (IPv4 only)
http://ftp6.sjtu.edu.cn (IPv6 only)
清华大学：
http://mirrors.tuna.tsinghua.edu.cn/ (IPv4+IPv6)
http://mirrors.6.tuna.tsinghua.edu.cn/ (IPv6 only)
http://mirrors.4.tuna.tsinghua.edu.cn/ (IPv4 only)
天津大学：http://mirror.tju.edu.cn/
中国科学技术大学：
http://mirrors.ustc.edu.cn/ (IPv4+IPv6)
http://mirrors4.ustc.edu.cn/
http://mirrors6.ustc.edu.cn/
西南大学：http://linux.swu.edu.cn/swudownload/Distributions/
东北大学：
http://mirror.neu.edu.cn/ (IPv4 only)
http://mirror.neu6.edu.cn/ (IPv6 only)
电子科技大学：http://ubuntu.uestc.edu.cn/
青岛大学： http://mirror.qdu.edu.cn/
大连东软信息学院：http://mirrors.neusoft.edu.cn/
华中科技大学： http://mirrors.hust.edu.cn/
中山大学：http://mirrors.sysu.edu.cn/
浙江大学：http://mirrors.zju.edu.cn/web/

台湾淡江大学 http://ftp.tku.edu.tw/Linux/