cryptography安装换源
时间: 2024-03-27 10:33:28 浏览: 10
在安装cryptography之前,你可以考虑更换源以提高下载速度和稳定性。下面是一些常用的cryptography换源方法:
1. 使用清华大学开源软件镜像站:
首先,备份你的源列表文件:
```
sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak
```
然后,编辑源列表文件:
```
sudo nano /etc/apt/sources.list
```
将文件中的内容替换为以下内容:
```
deb 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 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
```
保存并退出编辑器。然后更新源:
```
sudo apt update
```
2. 使用阿里云镜像源:
备份源列表文件:
```
sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak
```
编辑源列表文件:
```
sudo nano /etc/apt/sources.list
```
将文件中的内容替换为以下内容:
```
deb http://mirrors.aliyun.com/ubuntu/ focal main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ focal-updates main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ focal-backports main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ focal-security main restricted universe multiverse
```
保存并退出编辑器。然后更新源:
```
sudo apt update
```
3. 使用中科大镜像源:
备份源列表文件:
```
sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak
```
编辑源列表文件:
```
sudo nano /etc/apt/sources.list
```
将文件中的内容替换为以下内容:
```
deb https://mirrors.ustc.edu.cn/ubuntu/ focal main restricted universe multiverse
deb https://mirrors.ustc.edu.cn/ubuntu/ focal-updates main restricted universe multiverse
deb https://mirrors.ustc.edu.cn/ubuntu/ focal-backports main restricted universe multiverse
deb https://mirrors.ustc.edu.cn/ubuntu/ focal-security main restricted universe multiverse
```
保存并退出编辑器。然后更新源:
```
sudo apt update
```