max package_version
subject to distribution_release
这样您就无法获得Ubuntu 18.04套件，Ubuntu 22.04。
但是不要绝望：docker是解决方案。这是我向学生展示的一个示例（Markdown片段）：（
$ docker run --rm -ti r-base:latest R --version | head -1
R version 4.1.2 (2021-11-01) -- "Bird Hippie"
$ docker run --rm -ti r-base:4.0.3 R --version | head -1
R version 4.0.3 (2020-10-10) -- "Bunny-Wunnies Freak Out"
$ docker run --rm -ti r-base:3.6.3 R --version | head -1
R version 3.6.3 (2020-02-29) -- "Holding the Windsock"
$ docker run --rm -ti r-base:3.5.3 R --version | head -1
R version 3.5.3 (2019-03-11) -- "Great Truth"
$ docker run --rm -ti r-base:3.4.2 R --version | head -1
R version 3.4.2 (2017-09-28) -- "Short Summer"
$
Inside the OS this is very difficult as it cuts against the grain of the OS which always wants to serve you
max package_version
subject to distribution_release
so you just cannot get the, say, Ubuntu 18.04 packages inside of Ubuntu 22.04.
But do not despair: Docker is the solution for this. Here is an example (markdown snippet) I show to my students:
$ docker run --rm -ti r-base:latest R --version | head -1
R version 4.1.2 (2021-11-01) -- "Bird Hippie"
$ docker run --rm -ti r-base:4.0.3 R --version | head -1
R version 4.0.3 (2020-10-10) -- "Bunny-Wunnies Freak Out"
$ docker run --rm -ti r-base:3.6.3 R --version | head -1
R version 3.6.3 (2020-02-29) -- "Holding the Windsock"
$ docker run --rm -ti r-base:3.5.3 R --version | head -1
R version 3.5.3 (2019-03-11) -- "Great Truth"
$ docker run --rm -ti r-base:3.4.2 R --version | head -1
R version 3.4.2 (2017-09-28) -- "Short Summer"
$
(That was from last fall so no R 4.2.0 yet, and done on Ubuntu 21.04 at the time.)
And this works -- the example is not made up. Install docker (which I am running on Ubuntu via the apt repo by the Docker folks) and pull in the containers you want.
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在操作系统内部，这是非常困难的，因为它可以靠近始终想要为您服务的操作系统的谷物，
这样您就无法获得Ubuntu 18.04套件，Ubuntu 22.04。
但是不要绝望：docker是 解决方案。这是我向学生展示的一个示例（Markdown片段）：（
当时在Ubuntu 21.04上完成。
那是从去年秋天开始的，所以还没有R 4.2.0，并且 安装
docker（我通过apt由docker folks在ubuntu上运行），然后吸入所需的容器。Inside the OS this is very difficult as it cuts against the grain of the OS which always wants to serve you
so you just cannot get the, say, Ubuntu 18.04 packages inside of Ubuntu 22.04.
But do not despair: Docker is the solution for this. Here is an example (markdown snippet) I show to my students:
(That was from last fall so no R 4.2.0 yet, and done on Ubuntu 21.04 at the time.)
And this works -- the example is not made up. Install
docker(which I am running on Ubuntu via theaptrepo by the Docker folks) and pull in the containers you want.