[pm-h] Perl on Linux Mint
Mike Flannigan
mikeflan at att.net
Tue Oct 22 02:05:00 PDT 2019
Thanks for this advice.
Something else for me to consider.
Mike
On 10/21/19 11:53 AM, Michael R. Davis wrote:
> Mike,
>
> > I make it a point to never touch "The System Perl" since it is used
> by the operating system
>
> I concur with this.
>
> > cpan[5]> install Geo::Coordinates::DecimalDegrees
> > I would strongly recommend leveraging Perlbrew.
>
> However, I personally do not recommend either of these processes this
> for enterprise systems. In an enterprise, a different team will
> update the OS stack for patching much more frequently than the
> application team.
>
> I recommend using the OS provided Perl version and work around any
> missing capabilities. Then I recommend that you build/find packages
> for all of the CPAN modules that you need and put them in a YUM/APT
> repository. Finally, I recommend that you also package your own
> application.
>
> We use RPMs which are easy to create. I use the EPEL repository which
> has just about all of the Perl package we need. Any others can
> normally be built with cpanspec -b. Then for my application-level
> RPMs, I have a Makefile that can build my RPM with a simple `make rpm`
> command wrapper around tar and rpmbuild.
>
> In our enterprise, we cannot install on a production server directly
> from the internet so, `cpan install` would not work anyway and there
> is a chance that the code installed is not the version that went
> through QA and will most likely not be the same version when the
> server needs to be rebuilt in a year.
>
> Remember, any packages that you build are supported by your team. Any
> packages that the OS/Security team installs are support by them! So,
> try to reuse as much code as possible from the supported OS teams
> repositories.
>
>
> Michael R. Davis
>
>
> On Sunday, October 20, 2019, 03:12:28 PM EDT, Robert Stone
> <drzigman at drzigman.com> wrote:
>
>
> Greetings,
>
> I would strongly recommend leveraging Perlbrew.
>
> I make it a point to never touch "The System Perl" since it is used by
> the operating system. It's actually surprising how many command lines
> tools are actually perl under the hood, I find it best to leave it alone.
>
> I generally set up a perlbrew instance for my user account and do my
> dev that way. Hope that helps!
>
> Best Regards,
> Robert Stone
>
> On Sun, Oct 20, 2019 at 9:07 AM Mike Flannigan <mikeflan at att.net
> <mailto:mikeflan at att.net>> wrote:
>
>
> I am on Linux Mint now and have the base Perl install:
> perl 5, version 26, subversion 1 (v5.26.1) built for
> x86_64-linux-gnu-thread-multi
> (with 67 registered patches, see perl -V for more detail)
>
> I want to install modules and am having trouble (see far below).
>
> Maybe I can work out that trouble, but I want to ask
> you'all how I should set up my system. Just use what
> I have (5.26.1) or install PerlBrew and perhaps some
> other Perl version?
>
> If I ever do get a module installed, can you tell me where
> they will reside? usr/bin has no folders at all.
> Oddly, usr/lib does not have a perl folder in it either.
> usr/share/perl has a "5.26" directory and "5.26.1" directory.
>
>
> Mike
>
>
> cpan[5]> install Geo::Coordinates::DecimalDegrees
> Running install for module 'Geo::Coordinates::DecimalDegrees'
> Fetching with LWP:
> http://www.cpan.org/authors/id/W/WA/WALTMAN/Geo-Coordinates-DecimalDegrees-0.09.tar.gz
> Fetching with LWP:
> http://www.cpan.org/authors/id/W/WA/WALTMAN/CHECKSUMS
> Checksum for
> /home/mike/.cpan/sources/authors/id/W/WA/WALTMAN/Geo-Coordinates-DecimalDegrees-0.09.tar.gz
>
> ok
> Configuring
> W/WA/WALTMAN/Geo-Coordinates-DecimalDegrees-0.09.tar.gz with
> Makefile.PL
> Checking if your kit is complete...
> Looks good
> Warning: prerequisite Test::Number::Delta 0 not found.
> Generating a Unix-style Makefile
> Writing Makefile for Geo::Coordinates::DecimalDegrees
> Writing MYMETA.yml and MYMETA.json
> WALTMAN/Geo-Coordinates-DecimalDegrees-0.09.tar.gz
> /usr/bin/perl Makefile.PL INSTALLDIRS=site -- OK
> Running make for
> W/WA/WALTMAN/Geo-Coordinates-DecimalDegrees-0.09.tar.gz
> ---- Unsatisfied dependencies detected during ----
> ---- WALTMAN/Geo-Coordinates-DecimalDegrees-0.09.tar.gz ----
> Test::Number::Delta [requires]
> Running install for module 'Test::Number::Delta'
> Fetching with LWP:
> http://www.cpan.org/authors/id/D/DA/DAGOLDEN/Test-Number-Delta-1.06.tar.gz
> Fetching with LWP:
> http://www.cpan.org/authors/id/D/DA/DAGOLDEN/CHECKSUMS
> Checksum for
> /home/mike/.cpan/sources/authors/id/D/DA/DAGOLDEN/Test-Number-Delta-1.06.tar.gz
>
> ok
> Configuring D/DA/DAGOLDEN/Test-Number-Delta-1.06.tar.gz with
> Makefile.PL
> Checking if your kit is complete...
> Looks good
> Generating a Unix-style Makefile
> Writing Makefile for Test::Number::Delta
> Writing MYMETA.yml and MYMETA.json
> DAGOLDEN/Test-Number-Delta-1.06.tar.gz
> /usr/bin/perl Makefile.PL INSTALLDIRS=site -- OK
> Running make for D/DA/DAGOLDEN/Test-Number-Delta-1.06.tar.gz
> cp lib/Test/Number/Delta.pm blib/lib/Test/Number/Delta.pm
> Manifying 1 pod document
> DAGOLDEN/Test-Number-Delta-1.06.tar.gz
> /usr/bin/make -- OK
> Running make test
> PERL_DL_NONLAZY=1 "/usr/bin/perl" "-MExtUtils::Command::MM"
> "-MTest::Harness" "-e" "undef *Test::Harness::Switches;
> test_harness(0,
> 'blib/lib', 'blib/arch')" t/*.t
> t/00-report-prereqs.t .............. #
> # Versions for all modules listed in MYMETA.json (including
> optional ones):
> #
> # === Configure Requires ===
> #
> # Module Want Have
> # ------------------- ---- ----
> # ExtUtils::MakeMaker 6.17 7.24
> #
> # === Build Requires ===
> #
> # Module Want Have
> # ------------------- ---- ----
> # ExtUtils::MakeMaker any 7.24
> #
> # === Test Requires ===
> #
> # Module Want Have
> # --------------------- ---- --------
> # ExtUtils::MakeMaker any 7.24
> # File::Spec any 3.67
> # Test::Builder::Tester 1.02 1.302073
> # Test::More any 1.302073
> #
> # === Test Recommends ===
> #
> # Module Want Have
> # ---------- -------- --------
> # CPAN::Meta 2.120900 2.150010
> #
> # === Runtime Requires ===
> #
> # Module Want Have
> # ------------- ---- --------
> # Carp any 1.42
> # Exporter any 5.72
> # Test::Builder any 1.302073
> # strict any 1.11
> # vars any 1.03
> # warnings any 1.37
> #
> t/00-report-prereqs.t .............. ok
> t/01-module-basics.t ............... ok
> t/02-delta.t ....................... ok
> t/03-specify_epsilon.t ............. ok
> t/04-specify_relative.t ............ ok
> t/05-check_bad_param.t ............. ok
> t/06-plan_passthrough.t ............ ok
> t/07-noplan_passthrough.t .......... ok
> t/08-param_and_plan_passthrough.t .. ok
> t/09-bad_param_plan_order.t ........ ok
> t/10-specify_negative_epsilon.t .... ok
> t/11-specify_negative_relative.t ... ok
> All tests successful.
> Files=12, Tests=72, 0 wallclock secs ( 0.02 usr 0.01 sys + 0.35
> cusr
> 0.05 csys = 0.43 CPU)
> Result: PASS
> DAGOLDEN/Test-Number-Delta-1.06.tar.gz
> /usr/bin/make test -- OK
> Running make install
> Manifying 1 pod document
> !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
> ERROR: Can't create '/usr/local/man/man3'
> mkdir /usr/local/man/man3: Permission denied at
> /usr/share/perl/5.26/ExtUtils/Install.pm line 477.
>
> !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
> at -e line 1.
> Makefile:733: recipe for target 'pure_site_install' failed
> make: *** [pure_site_install] Error 13
> DAGOLDEN/Test-Number-Delta-1.06.tar.gz
> /usr/bin/make install -- NOT OK
> WALTMAN/Geo-Coordinates-DecimalDegrees-0.09.tar.gz
> Has already been unwrapped into directory
> /home/mike/.cpan/build/Geo-Coordinates-DecimalDegrees-0.09-0
> WALTMAN/Geo-Coordinates-DecimalDegrees-0.09.tar.gz
> Has already been prepared
> Running make for
> W/WA/WALTMAN/Geo-Coordinates-DecimalDegrees-0.09.tar.gz
> cp DecimalDegrees.pm blib/lib/Geo/Coordinates/DecimalDegrees.pm
> Manifying 1 pod document
> WALTMAN/Geo-Coordinates-DecimalDegrees-0.09.tar.gz
> /usr/bin/make -- OK
> Running make test
> PERL_DL_NONLAZY=1 "/usr/bin/perl" "-MExtUtils::Command::MM"
> "-MTest::Harness" "-e" "undef *Test::Harness::Switches;
> test_harness(0,
> 'blib/lib', 'blib/arch')" t/*.t
> t/0-signature.t .. skipped: Set the environment variable
> TEST_SIGNATURE
> to enable this test.
> t/1.t ............ ok
> t/2.t ............ ok
> t/pod.t .......... skipped: Test::Pod v0.95 required for testing POD
> All tests successful.
> Files=4, Tests=58, 0 wallclock secs ( 0.01 usr 0.01 sys + 0.10 cusr
> 0.00 csys = 0.12 CPU)
> Result: PASS
> WALTMAN/Geo-Coordinates-DecimalDegrees-0.09.tar.gz
> /usr/bin/make test -- OK
> Running make install
> Manifying 1 pod document
> !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
> ERROR: Can't create '/usr/local/man/man3'
> mkdir /usr/local/man/man3: Permission denied at
> /usr/share/perl/5.26/ExtUtils/Install.pm line 477.
>
> !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
> at -e line 1.
> Makefile:708: recipe for target 'pure_site_install' failed
> make: *** [pure_site_install] Error 13
> WALTMAN/Geo-Coordinates-DecimalDegrees-0.09.tar.gz
> /usr/bin/make install -- NOT OK
> Failed during this command:
> DAGOLDEN/Test-Number-Delta-1.06.tar.gz : install NO
> WALTMAN/Geo-Coordinates-DecimalDegrees-0.09.tar.gz: install NO
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