On 16/07/2015 3:08 AM, MH wrote: > Hello, > > I try to install a course for swirl and got a SSL problem: > >> install_from_swirl("R Programming") > Error in function (type, msg, asError = TRUE) : > SSL certificate problem: self signed certificate in certificate chain > > Found this answer with Google but does not work either: > >> set_config( config( ssl.verifypeer = 0L ) ) > Error: could not find function "set_config" > > What do I do to avoid or accept the SSL certificate?
We don't know what "install_from_swirl" is doing, so it's hard to say. You should ask its author. If it is using the "wininet" method to download from an https site, then it is Windows that is issuing the error: you may be able to configure Internet Explorer to avoid it. Ask Microsoft how. Duncan Murdoch ______________________________________________ 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.