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I am using CentOS 7 and seting up a new server.

Whilst logged in as root, I have installed multiple perl modules through CPAN. Unfortunately, they seem to have installed inside root's home directory. I didn't notice this until all the modules were installed, but most of them have locations like this now:

/root/perl5/lib/perl5/5.16.3/x86_64-linux-thread-multi /root/perl5/lib/perl5/5.16.3 /root/perl5/lib/perl5/x86_64-linux-thread-multi /root/perl5/lib/perl5 /usr/local/lib64/perl5

This means that, for users other than root, these modules essentially do not exist, as the permissions lock them out of that directory.

I know I could solve this by giving all users read access to /root, but I'd rather not.

So, I have a few specific questions to ask:

  • What did I do wrong? Did I skip an option in CPAN the first time it ran? (CPAN config is pasted below)
  • What is the best way to clean this up? I presume I need to uninstall the modules, change my config, and then reinstall them? Experienced advice is appreciated.
  • What is the ideal general installation directory for CentOS 7? Where do I want to move them to? I assumed CPAN would put them in an ideal default location.

All advice gratefully received.

cat $CPAN::Config = { 'applypatch' => q[], 'auto_commit' => q[1], 'build_cache' => q[100], 'build_dir' => q[/root/.cpan/build], 'build_dir_reuse' => q[0], 'build_requires_install_policy' => q[yes], 'bzip2' => q[], 'cache_metadata' => q[1], 'check_sigs' => q[0], 'colorize_output' => q[0], 'commandnumber_in_prompt' => q[1], 'connect_to_internet_ok' => q[1], 'cpan_home' => q[/root/.cpan], 'ftp_passive' => q[1], 'ftp_proxy' => q[], 'getcwd' => q[cwd], 'gpg' => q[/bin/gpg], 'gzip' => q[/bin/gzip], 'halt_on_failure' => q[0], 'histfile' => q[/root/.cpan/histfile], 'histsize' => q[100], 'http_proxy' => q[], 'inactivity_timeout' => q[0], 'index_expire' => q[1], 'inhibit_startup_message' => q[0], 'keep_source_where' => q[/root/.cpan/sources], 'load_module_verbosity' => q[none], 'make' => q[/bin/make], 'make_arg' => q[], 'make_install_arg' => q[], 'make_install_make_command' => q[/bin/make], 'makepl_arg' => q[], 'mbuild_arg' => q[], 'mbuild_install_arg' => q[], 'mbuild_install_build_command' => q[./Build], 'mbuildpl_arg' => q[], 'no_proxy' => q[], 'pager' => q[/bin/less], 'patch' => q[/bin/patch], 'perl5lib_verbosity' => q[none], 'prefer_external_tar' => q[1], 'prefer_installer' => q[MB], 'prefs_dir' => q[/root/.cpan/prefs], 'prerequisites_policy' => q[follow], 'scan_cache' => q[atstart], 'shell' => q[/bin/bash], 'show_unparsable_versions' => q[0], 'show_upload_date' => q[0], 'show_zero_versions' => q[0], 'tar' => q[/bin/tar], 'tar_verbosity' => q[none], 'term_is_latin' => q[1], 'term_ornaments' => q[1], 'test_report' => q[0], 'trust_test_report_history' => q[0], 'unzip' => q[], 'urllist' => [q[], q[http://ww], q[http://cpan.mirrors]], 'use_sqlite' => q[0], 'version_timeout' => q[15], 'wget' => q[/bin/wget], 'yaml_load_code' => q[0], 'yaml_module' => q[YAML], }; 1; __END__

In reply to Installed CPAN Modules in Problematic Location by Likeless

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