Original link: https://blog.251.sh/notes-to-use-cpan-to-install-perl-with-proxy
Recently, I have been working on the texlive upgrade of openEuler. I saw that they have their own perl bots , and the PRs of several perl packages required for the texlive upgrade have not moved, so I plan to file a PR myself.
The biggest difficulty encountered is actually the network problem, there is a small pit here.
cpan shell does not eat system variables http_proxy and https_proxy . But you can use o conf http_proxy , here comes the pit!
This must be filled in:
o conf http_proxy http://192.168.251.187:8444
Cannot fill in this:
o conf http_proxy 192.168.251.187:8444
Otherwise you will encounter this error:
Fetching with HTTP::Tiny: https://cpan.org/authors/id/O/OA/OALDERS/HTTP-Cookies-6.10.tar.gz Error downloading with HTTP::Tiny: generic proxy URL must be in format http[s]://[auth@]<host>:<port>/ at /usr/share/perl5/vendor_perl/CPAN/HTTP/Client.pm line 35.
After setting, remember to save it by o conf commit , otherwise it is a temporary modification.
If you want to skip asking for proxy username and password every time you install, you can use the command export PERL_MM_USE_DEFAULT=1 to solve it. Or use o conf init /proxy/ to go through the proxy settings completely.
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