1 获得管理员权限
2 在自己的用户目录下安装RStudio Server
homeuser-name
3 查看当前r-base的可安装版本,发现没有想要的最新版本的
r-base
apt-cache madison r-base
r-base | 3.4.4-1ubuntu1 | http://cn.archive.ubuntu.com/ubuntu bionic/universe amd64 Packages r-base | 3.4.4-1ubuntu1 | http://cn.archive.ubuntu.com/ubuntu bionic/universe i386 Packages r-base | 3.0.2-1ubuntu1 | http://gb.archive.ubuntu.com/ubuntu trusty/universe Sources
4 添加源
sudo vim /etc/apt/sources.list
在最后一行加上：
deb https://cloud.r-project.org/bin/linux/ubuntu bionic-cran40/
并且注释掉：
deb https://cloud.r-project.org/bin/linux/ubuntu focal-cran40/
退出vim后，执行：
apt-cache madison r-base
r-base | 4.1.1-1.1804.0 | https://cloud.r-project.org/bin/linux/ubuntu bionic-cran40/ Packages r-base | 4.1.0-1.1804.0 | https://cloud.r-project.org/bin/linux/ubuntu bionic-cran40/ Packages r-base | 4.0.5-1.1804.0 | https://cloud.r-project.org/bin/linux/ubuntu bionic-cran40/ Packages r-base | 4.0.4-1.1804.0 | https://cloud.r-project.org/bin/linux/ubuntu bionic-cran40/ Packages r-base | 4.0.3-1.1804.0 | https://cloud.r-project.org/bin/linux/ubuntu bionic-cran40/ Packages r-base | 4.0.2-1.1804.0 | https://cloud.r-project.org/bin/linux/ubuntu bionic-cran40/ Packages r-base | 4.0.1-1.1804.0 | https://cloud.r-project.org/bin/linux/ubuntu bionic-cran40/ Packages r-base | 4.0.0-1.1804.0 | https://cloud.r-project.org/bin/linux/ubuntu bionic-cran40/ Packages r-base | 3.4.4-1ubuntu1 | http://cn.archive.ubuntu.com/ubuntu bionic/universe amd64 Packages r-base | 3.4.4-1ubuntu1 | http://cn.archive.ubuntu.com/ubuntu bionic/universe i386 Packages r-base | 3.0.2-1ubuntu1 | http://gb.archive.ubuntu.com/ubuntu trusty/universe Sources
sudo apt-get update sudo apt-get install r-base
即可安装成功最新版本的r-base！
sudo apt-get install gdebi-core wget https://download2.rstudio.org/server/bionic/amd64/rstudio-server-2021.09.0-351-amd64.deb sudo gdebi rstudio-server-2021.09.0-351-amd64.deb
安装成功会如图所示：
在浏览器中输入：http://服务器ip:8787/即可进入RStudio Server界面，输入自己在服务器上的用户名和密码即可登录成功！
