ubuntu22.换源
时间: 2023-11-13 17:57:17 浏览: 51
好的,针对您的问题,您可以按照以下步骤更换Ubuntu的软件源:
1. 打开终端,输入以下命令备份原有的软件源列表文件:
```
sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak
```
2. 打开软件源列表文件,使用文本编辑器打开 `/etc/apt/sources.list` 文件:
```
sudo nano /etc/apt/sources.list
```
3. 将文件中的内容替换为以下内容:
```
# 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/ bionic main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-security main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-security main restricted universe multiverse
```
4. 保存更改并退出编辑器,然后运行以下命令更新软件源:
```
sudo apt update
```
5. 更新完成后,您可以使用以下命令升级系统中的所有软件包:
```
sudo apt upgrade
```
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