You are welcome to redistribute it under certain conditions. R is free software and comes with ABSOLUTELY NO WARRANTY. RĬopyright (C) 2021 The R Foundation for Statistical Computing I think it is because of the wrong environment variable. # add the R 4.I want to use Rstudio on cloud server, and I successfully download R and Rstudio on ubuntu 18.04, but can't open it. # import the signing key (by Michael Rutter) for these repoĪpt-key adv -keyserver -recv-keys E298A3A825C0D65DFD57CBB651716619E084DAB9 That said, you can also follow the instruction from CRAN directly, if you prefer: Ubuntu Packages For R - Brief Instructions, specifically this part: # update indicesĪpt install -no-install-recommends software-properties-common dirmngr So it's generally better to let your users choose which version of R to use. The reason for this recommendation is that once you update R, some of your older scripts could potentially break. In general we recommend you don't use apt install to update R, but to install multiple versions of R side-by-side, using the instructions at RStudio Install R - RStudio Documentation N: See apt-secure(8) manpage for repository creation and user configuration details. N: Updating from such a repository can't be done securely, and is therefore disabled by default. W: GPG error: focal-cran40/ InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 51716619E084DAB9Į: The repository ' focal-cran40/ InRelease' is not signed. The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 51716619E084DAB9 If I run sudo apt- get update, I get the following message: Hit:1 focal InRelease
I do recall having some error messages when installing R, which may be the cause. I was wondering how I can update R on Rstudio server, as I don't have the latest version of R.
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