Connection failed [IP: 185.125.190.36 80]

 

ubuntu安装R遇到如下问题：

root@DESKTOP-1N42TVH:/home/test2# apt install r-base-core

 

 

1、系统内核

root@DESKTOP-1N42TVH:/home/test2# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 20.04.4 LTS
Release:        20.04
Codename:       focal

 

2、备份源

root@DESKTOP-1N42TVH:/home/test2# mv /etc/apt/sources.list /etc/apt/sources.list_bak

 

3、更新源

root@DESKTOP-1N42TVH:/home/test2# vim /etc/apt/sources.list
deb http://mirrors.163.com/ubuntu/ focal main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ focal-security main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ focal-updates main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ focal-proposed main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ focal-backports main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ focal main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ focal-security main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ focal-updates main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ focal-proposed main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ focal-backports main restricted universe multiverse

 

 

4、更新

root@DESKTOP-1N42TVH:/home/test2# apt update

 

5、测试

root@DESKTOP-1N42TVH:/home/test2# apt install r-base-core

 

 没有问题。

 

测试R：

 

没有问题。