目录

1.更换国内源

2.安装gcc和vim

3.python的准备

1.更换国内源

刚开始学习时不知道此回事，导致下载速度很慢

首先，先备份

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

接着修改源文件

sudo gedit /etc/apt/sources.list

把其中全部更换为（源看自身需求更换）

# 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

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

紧接着进行更新

sudo apt-get update

sudo apt-get upgrade

2.安装gcc和vim

sudo apt-get install vim

sudo apt-get install gcc

3.python的准备

一般的ubuntu都会配备好python，若是程序报错的话 一般都是使用了Python2导致的问题

我们只需把python3架过去

sudo ln -s /usr/bin/python3 /usr/bin/python

内容参考：

(8条消息) 使用sudo apt-get update报错：E: 无法下载 http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/dists/xenial/main/b_奇幻纬度的博客-CSDN博客


(8条消息) 源码安装tensorflow报错：/usr/bin/env: ‘python‘: No such file or directory_Ice-Darcy的博客-CSDN博客


(8条消息) Ubuntu 18.04 的安装及基础操作流程_真地很烦人那的博客-CSDN博客_ubuntu18.04