On 2020-04-29 19:55 -0400, ProfJCNash wrote: > In updating (an older computer with) Linux Mint 18.3 I tried to add > the repository > > deb https://cloud.r-project.org/bin/linux/ubuntu xenial-cran40/ > > as per the "Download R for Linux" instructions. This gave an error > that there was no Release.key file. > > After some investigation, I found that > > deb https://cran.r-project.org/bin/linux/ubuntu xenial-cran40/ > > i.e., CRAN not CLOUD. With this change, I could install R 4.0. > > Is this a known glitch?
Dear JN, perhaps it is a glitch ... does anyone run mirmon[1] on the R mirrors to see which ones are old? If you open those two addresses in a browser, you see that the xenial-cran40 folder is only present in cran case ... These are two different servers, which can also be seen by running curl: rasmus@twentyfive ~ % curl -I https://cloud.r-project.org/bin/linux/ubuntu/ HTTP/2 200 content-type: text/html;charset=ISO-8859-1 date: Thu, 30 Apr 2020 00:05:13 GMT server: Apache/2.4.39 (Unix) cache-control: max-age=1800 expires: Thu, 30 Apr 2020 00:35:13 GMT x-cache: Miss from cloudfront ... rasmus@twentyfive ~ % curl -I https://cran.r-project.org/bin/linux/ubuntu/ HTTP/1.1 200 OK Date: Thu, 30 Apr 2020 00:05:23 GMT Server: Apache Content-Type: text/html;charset=UTF-8 It is wise to point your package manager to a mirror[2] close to you instead of a cdn, e.g. [3] or something ... Best, Rasmus [1] https://spacehopper.org/mirmon/ [2] https://cran.r-project.org/mirrors.html [3] https://mirror.las.iastate.edu/CRAN/bin/linux/ubuntu/ ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.