export PERL5_CPANPLUS_HOME=/home/me
cpanp -i CPAN
[MSG] No '/home/me/.cpanplus/custom-sources' dir, skipping custom sources
[MSG] No '/home/me/.cpanplus/custom-sources' dir, skipping custom sources
[MSG] No '/home/me/.cpanplus/custom-sources' dir, skipping custom sources
Installing CPAN (2.37)
gpg: Signature made Fri Aug 30 13:11:50 2024 EDT
gpg:                using RSA key C40BA553F730173DA63AA20F7EFCE8AC421EE20A
gpg: requesting key 7EFCE8AC421EE20A from hkp://keyserver.ubuntu.com:11371
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==
[ERROR] Signature check failed for module 'CPAN' -- Not trusting this module, aborting install