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Re: Which is the recommended flavor of Linux to learn perl?

by blue_cowdawg (Monsignor)
on Dec 17, 2012 at 19:02 UTC ( #1009220=note: print w/replies, xml ) Need Help??

in reply to Which is the recommended flavor of Linux to learn perl?

Flavor of Linux is inconsequential to learning Perl. So long as it is Perl5 you should be good to go. That said, my favorite flavor of the week is Linux Mint. I like the fact that things just work under Mint. Mint is a Debian descendant like Ubuntu is. If I had my personal laptop handy I'd tell you the version running on it, but on my desktop which runs straight up Debian runs 5.10.1 Perl. My laptop runs a much newer version of Mint so I cannot imagine the Perl is going to be of an earlier version.

My laptop is Minty Fresh! :-)

Peter L. Berghold -- Unix Professional
Peter -at- Berghold -dot- Net; AOL IM redcowdawg Yahoo IM: blue_cowdawg
  • Comment on Re: Which is the recommended flavor of Linux to learn perl?

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Re^2: Which is the recommended flavor of Linux to learn perl?
by Anonymous Monk on Dec 18, 2012 at 10:58 UTC

    I concur. You should be fine learning the language on a twelve-year-old installation of Perl 5.6. The basics really haven't changed that much since.

    (However, if you need non-core modules in your learning, you might have a bit more trouble there. You ought to go for at least 5.8 or 5.10.1 then)

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[davido]: so last -f /var/run/utmp on ubuntu provides similar (though more verbose) info
[oiskuu]: glibc getlogin just does ttyname() and falls back on getutline(); it's not security related at all. (reminds me of sendmail and remote finger services of the naive early spam era)
[Corion]: But yes, "who started this process" is interesting information :)
[tye]: no, I really believe that "login user" was added as a fundamental bit of info about each process in order to enhance the usefulness of auditing
[Corion]: Ah - if that information is saved in a file, then you could theoretically spam that file and confuse getlogin(). So, don't use it for authentication :)
[tye]: that is what getlogin() certainly *used* to do. I don't believe that is what it certainly should do.
[davido]: /var/run/utmp is 664 i think.
[tye]: Note that my "man getlogin" says that it uses stdin when it should use /dev/tty (calling a glibc bug). But that does not appear to be the case when I test it. But maybe Perl's getlogin() is not using glibc's getlogin().
[oiskuu]: well, run a strace and see what the getlogin does for you.... As I said. SELinux probably has those security labels. But not regular linux.
[tye]: for example, read https://unix. questions/146138/ loginuid-should-be -allowed-to-change -or-not-mutable-or -not

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