系统：Ubuntu18.04

（1）下载安装包

wget https://mirrors.tuna.tsinghua.edu.cn/anaconda/archive/Anaconda3-2021.11-Linux-x86_64.sh

报错错误 403：Forbidden

解决方法

 wget -U NoSuchBrowser/1.0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/archive/Anaconda3-2021.11-Linux-x86_64.sh

 （2）安装

bash Anaconda3-2021.11-Linux-x86_64.sh

Do you wish the installer to initialize Anaconda3
by running conda init? [yes|no]

选择yes

至此，conda安装完成。