Ubuntu18.04 source.list怎么更新国内源_电脑维修知识_

要更新Ubuntu 18.04的软件源为国内源，可以按照以下步骤进行操作：

打开终端，通过以下命令备份当前的软件源列表文件：

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

编辑软件源列表文件，使用以下命令打开编辑器：

sudo nano /etc/apt/sources.list

在打开的文件中，删除所有内容，然后粘贴以下内容，这是一个推荐的国内源列表：

# 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-src http://archive.ubuntu.com/ubuntu/ bionic main restricted# 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 http://mirrors.aliyun.com/ubuntu/ bionic main restricted# deb-src http://mirrors.aliyun.com/ubuntu/ bionic main restricteddeb http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted# deb-src http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricteddeb http://mirrors.aliyun.com/ubuntu/ bionic universe# deb-src http://mirrors.aliyun.com/ubuntu/ bionic universedeb http://mirrors.aliyun.com/ubuntu/ bionic-updates universe# deb-src http://mirrors.aliyun.com/ubuntu/ bionic-updates universedeb http://mirrors.aliyun.com/ubuntu/ bionic multiverse# deb-src http://mirrors.aliyun.com/ubuntu/ bionic multiversedeb http://mirrors.aliyun.com/ubuntu/ bionic-updates multiverse# deb-src http://mirrors.aliyun.com/ubuntu/ bionic-updates multiversedeb http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse# deb-src http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse# 预发布软件源，不建议启用# deb http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse# deb-src http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiversedeb http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted# deb-src http://mirrors.aliyun.com/ubuntu/ bionic-security main restricteddeb http://mirrors.aliyun.com/ubuntu/ bionic-security universe# deb-src http://mirrors.aliyun.com/ubuntu/ bionic-security universedeb http://mirrors.aliyun.com/ubuntu/ bionic-security multiverse# deb-src http://mirrors.aliyun.com/ubuntu/ bionic-security multiverse

保存更改并关闭编辑器。对于Nano编辑器，请按Ctrl + X，然后按Y，最后按Enter保存文件。

运行以下命令更新软件源：