perlbrew list does show installed version (I was also able to switch to this latest version)

[~]$ perlbrew list
 * perl-5.28.1
[~]$

[download]

But perlbrew self-upgrade or perlbrew install-cpanm are failing. This concerns me and I think I'll have to get an Admin to help me.

[~]$ perlbrew self-upgrade
Unable to detect version of new perlbrew!
[~]$ perlbrew install-cpanm

ERROR: Failed to retrieve cpanm executable.

[~]$

[download]

In reply to Re^5: perlbrew/curl: curl: (60) Peer certificate cannot be authenticated with known CA certificates by Perl300
in thread [SOLVED]: perlbrew/curl: curl: (60) Peer certificate cannot be authenticated with known CA certificates by Perl300

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