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Re: CPAN not working, or is it?

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From:
Gary Stainburn
Date:
March 12, 2019 12:56
Subject:
Re: CPAN not working, or is it?
Message ID:
201903121255.51984.gary.stainburn@ringways.co.uk
On Tuesday 12 March 2019 06:16:59 Magnus Woldrich wrote:
>  $ perl -E 'say for @INC'
>  $ echo $PERL5LIB
>  # echo $PERL5LIB
>
> I'd suggest to set the PERL5LIB environment variable in your shell
> config to something like ~/lib/perl5/.
>
> If you need the modules to be available globally and not only for a
> specific user, a better place would be e.g /usr/lib/perl5/*

Hi Magnus,

I had already started looking into this option.  I have done as you said:

[root@lou ~]# perl -E 'say for @INC'
/usr/local/lib64/perl5
/usr/local/share/perl5
/usr/lib64/perl5/vendor_perl
/usr/share/perl5/vendor_perl
/usr/lib64/perl5
/usr/share/perl5
.
[root@lou ~]#echo $PERL5LIB

[root@lou ~]

I then amended my .bashrc to amend the two existing lines and added the 
PERL5LIB line:

PERL_MB_OPT="--install_base \"/usr/local/share/perl5\""; export PERL_MB_OPT;
PERL_MM_OPT="INSTALL_BASE=/usr/local/share/perl5"; export PERL_MM_OPT;
PERL5LIB="/usr/local/share/perl5"; export PERL5LIB;

I then logged out, back in, and checked everything looked good.  I then tried 
the new setup by using CPAN to 'install CPAN'. At the end I got 'OK' but when 
I tried to 'reload cpan' it still loaded 1.9800 when it should have installed 
2.6

[root@lou ~]# perl -E 'say for @INC'
/usr/local/share/perl5
/usr/local/lib64/perl5
/usr/local/share/perl5
/usr/lib64/perl5/vendor_perl
/usr/share/perl5/vendor_perl
/usr/lib64/perl5
/usr/share/perl5
.
[root@lou ~]# echo $PERL5LIB
/usr/local/share/perl5
[root@lou ~]# cpan

cpan shell -- CPAN exploration and modules installation (v1.9800)
Enter 'h' for help.

cpan[1]> install CPAN
Reading '/root/.cpan/Metadata'
  Database was generated on Mon, 11 Mar 2019 11:57:00 GMT
Running install for module 'CPAN'
Running make for A/AN/ANDK/CPAN-2.25.tar.gz
Checksum for /root/.cpan/sources/authors/id/A/AN/ANDK/CPAN-2.25.tar.gz ok
Scanning cache /root/.cpan/build for sizes
..........................................................................--DONE
DEL(1/7): /root/.cpan/build/Module-CoreList-5.20190220-NXpphv 
DEL(2/7): /root/.cpan/build/Module-CoreList-5.20190220-NXpphv.yml 
DEL(3/7): /root/.cpan/build/Module-Load-Conditional-0.68-owZpE0.yml 
DEL(4/7): /root/.cpan/build/Module-Load-Conditional-0.68-owZpE0 
DEL(5/7): /root/.cpan/build/IPC-Cmd-1.02-1B6cBN 
DEL(6/7): /root/.cpan/build/ExtUtils-CBuilder-0.280230-w3Bagt.yml 
DEL(7/7): /root/.cpan/build/IPC-Cmd-1.02-1B6cBN.yml 

  CPAN.pm: Building A/AN/ANDK/CPAN-2.25.tar.gz

Importing PAUSE public key into your GnuPG keychain... done!
(You may wish to trust it locally with 'gpg --lsign-key 450F89EC')
Checking if your kit is complete...
Looks good
Writing Makefile for CPAN
Writing MYMETA.yml and MYMETA.json
cp lib/CPAN.pm blib/lib/CPAN.pm
cp lib/CPAN/CacheMgr.pm blib/lib/CPAN/CacheMgr.pm
cp lib/CPAN/FTP/netrc.pm blib/lib/CPAN/FTP/netrc.pm
cp lib/CPAN/LWP/UserAgent.pm blib/lib/CPAN/LWP/UserAgent.pm
cp lib/CPAN/FTP.pm blib/lib/CPAN/FTP.pm
cp lib/CPAN/Queue.pm blib/lib/CPAN/Queue.pm
cp lib/CPAN/Distroprefs.pm blib/lib/CPAN/Distroprefs.pm
cp lib/CPAN/Kwalify/distroprefs.yml blib/lib/CPAN/Kwalify/distroprefs.yml
cp lib/App/Cpan.pm blib/lib/App/Cpan.pm
cp lib/CPAN/Kwalify.pm blib/lib/CPAN/Kwalify.pm
cp lib/CPAN/Module.pm blib/lib/CPAN/Module.pm
cp lib/CPAN/Author.pm blib/lib/CPAN/Author.pm
cp lib/CPAN/Debug.pm blib/lib/CPAN/Debug.pm
cp lib/CPAN/HTTP/Credentials.pm blib/lib/CPAN/HTTP/Credentials.pm
cp lib/CPAN/API/HOWTO.pod blib/lib/CPAN/API/HOWTO.pod
cp lib/CPAN/Complete.pm blib/lib/CPAN/Complete.pm
cp lib/CPAN/HTTP/Client.pm blib/lib/CPAN/HTTP/Client.pm
cp lib/CPAN/FirstTime.pm blib/lib/CPAN/FirstTime.pm
cp lib/CPAN/Exception/blocked_urllist.pm 
blib/lib/CPAN/Exception/blocked_urllist.pm
cp lib/CPAN/Distrostatus.pm blib/lib/CPAN/Distrostatus.pm
cp lib/CPAN/Admin.pm blib/lib/CPAN/Admin.pm
cp lib/CPAN/Tarzip.pm blib/lib/CPAN/Tarzip.pm
cp lib/CPAN/Prompt.pm blib/lib/CPAN/Prompt.pm
cp lib/CPAN/URL.pm blib/lib/CPAN/URL.pm
cp lib/CPAN/Version.pm blib/lib/CPAN/Version.pm
cp lib/CPAN/DeferredCode.pm blib/lib/CPAN/DeferredCode.pm
cp lib/CPAN/Distribution.pm blib/lib/CPAN/Distribution.pm
cp lib/CPAN/Nox.pm blib/lib/CPAN/Nox.pm
cp lib/CPAN/Exception/RecursiveDependency.pm 
blib/lib/CPAN/Exception/RecursiveDependency.pm
cp lib/CPAN/Bundle.pm blib/lib/CPAN/Bundle.pm
cp lib/CPAN/Plugin/Specfile.pm blib/lib/CPAN/Plugin/Specfile.pm
cp lib/CPAN/Shell.pm blib/lib/CPAN/Shell.pm
cp lib/CPAN/InfoObj.pm blib/lib/CPAN/InfoObj.pm
cp lib/CPAN/HandleConfig.pm blib/lib/CPAN/HandleConfig.pm
cp lib/CPAN/Exception/yaml_process_error.pm 
blib/lib/CPAN/Exception/yaml_process_error.pm
cp lib/CPAN/Plugin.pm blib/lib/CPAN/Plugin.pm
cp lib/CPAN/Exception/yaml_not_installed.pm 
blib/lib/CPAN/Exception/yaml_not_installed.pm
cp lib/CPAN/Index.pm blib/lib/CPAN/Index.pm
cp lib/CPAN/Kwalify/distroprefs.dd blib/lib/CPAN/Kwalify/distroprefs.dd
cp lib/CPAN/Mirrors.pm blib/lib/CPAN/Mirrors.pm
cp scripts/cpan-mirrors blib/script/cpan-mirrors
/usr/bin/perl -MExtUtils::MY -e 'MY->fixin(shift)' -- blib/script/cpan-mirrors
cp scripts/cpan blib/script/cpan
/usr/bin/perl -MExtUtils::MY -e 'MY->fixin(shift)' -- blib/script/cpan
Manifying blib/man1/cpan-mirrors.1
Manifying blib/man1/cpan.1
Manifying blib/man3/CPAN.3pm
Manifying blib/man3/CPAN::Admin.3pm
Manifying blib/man3/CPAN::Tarzip.3pm
Manifying blib/man3/CPAN::Queue.3pm
Manifying blib/man3/CPAN::Distroprefs.3pm
Manifying blib/man3/CPAN::Version.3pm
Manifying blib/man3/App::Cpan.3pm
Manifying blib/man3/CPAN::Kwalify.3pm
Manifying blib/man3/CPAN::Nox.3pm
Manifying blib/man3/CPAN::Plugin::Specfile.3pm
Manifying blib/man3/CPAN::Debug.3pm
Manifying blib/man3/CPAN::HandleConfig.3pm
Manifying blib/man3/CPAN::Plugin.3pm
Manifying blib/man3/CPAN::API::HOWTO.3pm
Manifying blib/man3/CPAN::Mirrors.3pm
Manifying blib/man3/CPAN::FirstTime.3pm
  ANDK/CPAN-2.25.tar.gz
  /usr/bin/make -- OK
Running make test
PERL_DL_NONLAZY=1 /usr/bin/perl "-MExtUtils::Command::MM" "-e" "test_harness(0, 'blib/lib', 'blib/arch')" 
t/*.t
t/00signature.t ............... skipped: No Module::Signature found [INC 
= /root/.cpan/build/CPAN-2.25-J6su2s/blib/lib /root/.cpan/build/CPAN-2.25-J6su2s/blib/arch /usr/local/share/perl5 /usr/local/share/perl5 /usr/local/lib64/perl5 /usr/local/share/perl5 /usr/lib64/perl5/vendor_perl /usr/share/perl5/vendor_perl /usr/lib64/perl5 /usr/share/perl5 .]
t/01loadme.t .................. ok   
t/02nox.t ..................... ok   
t/03pkgs.t .................... ok     
t/04clean_load.t .............. ok     
t/10version.t ................. ok     
t/11mirroredby.t .............. ok   
t/12cpan.t .................... ok     
t/13tarzip.t .................. ok   
t/14forkbomb.t ................ skipped: test only run when called with --doit
t/30shell.t ................... skipped: no Expect, maybe try env 
CPAN_RUN_SHELL_TEST_WITHOUT_EXPECT=1
t/31sessions.t ................ ok     
t/41distribution.t ............ 1/20 No or no sufficiently recent 
CPAN::Perl::Releases installed at t/41distribution.t line 60.
t/41distribution.t ............ ok     
t/42distroprefs.t ............. ok   
t/43distroprefspref.t ......... ok     
t/44cpanmeta.t ................ ok     
t/50pod.t ..................... skipped: Test::Pod 1.00 required for testing 
POD
t/51pod.t ..................... ok     
t/52podcover.t ................ skipped: Test::Pod::Coverage 0.18 required for 
testing pod coverage
t/60credentials.t ............. ok   
t/70_critic.t ................. skipped: Test::Perl::Critic only run when 
AUTHOR_TEST set
t/71_minimumversion.t ......... skipped: running MinimumVersion test only run 
when AUTHOR_TEST set
t/97-compile.t ................ ok   
t/97-cpanpm_output_hook.t ..... ok     
t/97-expand_filenames.t ....... ok    
t/97-install_hack.t ........... ok   
t/97-mock.t ................... ok   
t/97-process_options.t ........ ok   
t/97-process_setup_options.t .. ok   
t/97-return_values.t .......... ok     
t/97-run.t .................... # will run '/usr/bin/perl -Mblib 
blib/script/cpan -y 2>&1'
t/97-run.t .................... 1/32 # will run '/usr/bin/perl -Mblib 
blib/script/cpan -h 2>&1'
t/97-run.t .................... ok     
All tests successful.
Files=31, Tests=581, 30 wallclock secs ( 0.16 usr  0.06 sys + 21.10 cusr  3.65 
csys = 24.97 CPU)
Result: PASS
  ANDK/CPAN-2.25.tar.gz
  /usr/bin/make test -- OK
Running make install
Appending installation info 
to /usr/local/share/perl5/lib/perl5/x86_64-linux-thread-multi/perllocal.pod
  ANDK/CPAN-2.25.tar.gz
  /usr/bin/make install  -- OK

cpan[2]> reload CPAN
(CPAN__unchanged__v1.9800)(CPAN::Author__unchanged__v5.5001)
(CPAN::CacheMgr__unchanged__v5.5001)(CPAN::Complete__unchanged__v5.5)
(CPAN::Debug__unchanged__v5.5001)(CPAN::DeferredCode__unchanged__v5.50)
(CPAN::Distribution__unchanged__v1.9602)(CPAN::Distroprefs__unchanged__v6)
(CPAN::Distrostatus__unchanged__v5.5)
(CPAN::Exception::RecursiveDependency..v5.5)
(CPAN::Exception::yaml_not_installed..v5.5)(CPAN::FTP__unchanged__v5.5005)
(CPAN::FTP::netrc__unchanged__v1.01)(CPAN::HandleConfig__unchanged__v5.5003)
(CPAN::Index__unchanged__v1.9600)(CPAN::InfoObj__unchanged__v5.5)
(CPAN::LWP::UserAgent....v1.9600)(CPAN::Module__unchanged__v5.5001)
(CPAN::Prompt__unchanged__v5.5)(CPAN::Queue__unchanged__v5.5001)
(CPAN::Shell__unchanged__v5.5002)(CPAN::Tarzip__unchanged__v5.5011)
(CPAN::Version__unchanged__v5.5001)
8 subroutines redefined

cpan[3]> 

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