CB2.0 upgrade trouble

[ericovk]

I get different troubles during updating this system.

for instance:

Warning (usually harmless): 'YAML' not installed, will not store persistent state
Running install for module 'ExtUtils::CBuilder'
'YAML' not installed, falling back to Data::Dumper and Storable to read prefs '/root/.cpan/prefs'
Running make for A/AM/AMBS/ExtUtils-CBuilder-0.280224.tar.gz
Warning: no success downloading '/root/.cpan/sources/authors/id/A/AM/AMBS/ExtUtils-CBuilder-0.280224.tar.gz.tmp6287'. Giving up on it. at /usr/share/perl5/CPAN/Distribution.pm line 379


Trying with "/usr/local/bin/curl -L -f -s -S --netrc-optional" to get
    "http://www.perl.org/CPAN/authors/id/A/AM/AMBS/ExtUtils-CBuilder-0.280224.tar.gz"
Warning: no success downloading '/root/.cpan/sources/authors/id/A/AM/AMBS/CHECKSUMS.tmp6287'. Giving up on it. at /usr/share/perl5/CPAN/Distribution.pm line 1311

and

Warning: prerequisite IPC::Cmd 0 not found.   
Writing Makefile for ExtUtils::CBuilder
Could not read '/root/.cpan/build/ExtUtils-CBuilder-0.280224-BxjQaw/META.yml'. Falling back to other methods to determine prerequisites
---- Unsatisfied dependencies detected during ----
----  AMBS/ExtUtils-CBuilder-0.280224.tar.gz  ----
    IPC::Cmd [requires]

 

[zEitEr]

Hello,

What command did you run that finished with the error?
Or what software was installing and finished with the error?