[CentOS] trouble installing Math::BigInt module

Tue Apr 1 05:19:24 UTC 2014
Bennett Haselton <bennett at peacefire.org>

On 3/31/2014 7:56 PM, Tom Robinson wrote:
> Can you verify to which packages thefiles belong?
>
> Try using RPM:
>
> rpm -qf /usr/lib/perl5/vendor_perl/5.8.8/Net/IP.pm
On the old machine:
perl-Net-IP-1.25-2.fc6
> and
>
> rpm -qf /usr/lib/perl5/vendor_perl/5.8.8/Crypt/DSA/KeyChain.pm
On the new machine:
perl-Crypt-DSA-1.16-1.el5.rf

>
> Tom Robinson
> IT Manager/System Administrator
>
> MoTeC Pty Ltd
>
> 121 Merrindale Drive
> Croydon South
> 3136 Victoria
> Australia
>
> T: +61 3 9761 5050
> F: +61 3 9761 5051
> E: tom.robinson at motec.com.au
>
> On 01/04/14 13:34, Bennett Haselton wrote:
>> I had to move a perl script from an old server to a new one. Both the
>> old and new servers are running "CentOS release 5.10 (Final)" and perl
>> v5.8.8.  (But the problem I'm running into appears to be a package
>> management problem and not a Perl problem which is why I'm posting it to
>> a CentOS list.)
>>
>> The line of code in the script that attempts to open a Net::SFTP
>> connection, which was working fine on the old machine, no longer works
>> on the new machine. I've tracked it down to the module
>> Net::SSH::Perl::Key::DSA not loading correctly on the new machine. On
>> the old one, the line:
>> perl -e "use Net::SSH::Perl::Key::DSA;"
>> gives no error and no output (as expected), but on the new machine, the
>> same line gives:
>>
>> www:/var/www/html/circumventor# perl -e "use Net::SSH::Perl::Key::DSA;"
>> Math::BigInt version 1.78 required--this is only version 1.77 at
>> /usr/lib/perl5/vendor_perl/5.8.8/Crypt/DSA/KeyChain.pm line 4.
>> BEGIN failed--compilation aborted at
>> /usr/lib/perl5/vendor_perl/5.8.8/Crypt/DSA/KeyChain.pm line 4.
>> Compilation failed in require at
>> /usr/lib/perl5/vendor_perl/5.8.8/Crypt/DSA.pm line 7.
>> BEGIN failed--compilation aborted at
>> /usr/lib/perl5/vendor_perl/5.8.8/Crypt/DSA.pm line 7.
>> Compilation failed in require at
>> /usr/lib/perl5/vendor_perl/5.8.8/Net/SSH/Perl/Key/DSA.pm line 14.
>> BEGIN failed--compilation aborted at
>> /usr/lib/perl5/vendor_perl/5.8.8/Net/SSH/Perl/Key/DSA.pm line 14.
>> Compilation failed in require at -e line 1.
>> BEGIN failed--compilation aborted at -e line 1.
>>
>> I tried to install Math::BigInt on my new machine, by adding a file at
>> /etc/yum.repos.d/custom.repo containing the lines:
>>
>> [local]
>> name=Perl_module
>> baseurl=http://apt.sw.be/redhat/el5/en/i386/rpmforge/
>> enabled=1
>> gpgcheck=0
>>
>> and then running "yum install Math::BigInt", but it just goes through a
>> lot of spew and then ends with this error:
>>
>>   >>>
>> Transaction Check Error:
>> file /usr/share/man/man3/Math::BigFloat.3pm.gz from install of
>> perl-Math-BigIn
>> t-1.89-1.el5.rf.noarch conflicts with file from package
>> perl-5.8.8-41.el5.i386
>> file /usr/share/man/man3/Math::BigInt.3pm.gz from install of
>> perl-Math-BigInt-
>> 1.89-1.el5.rf.noarch conflicts with file from package perl-5.8.8-41.el5.i386
>> file /usr/share/man/man3/Math::BigInt::Calc.3pm.gz from install of
>> perl-Math-B
>> igInt-1.89-1.el5.rf.noarch conflicts with file from package
>> perl-5.8.8-41.el5.i3
>> 86
>> file /usr/share/man/man3/Math::BigInt::CalcEmu.3pm.gz from install of
>> perl-Mat
>> h-BigInt-1.89-1.el5.rf.noarch conflicts with file from package
>> perl-5.8.8-41.el5
>> .i386
>>
>> Error Summary
>>   >>>
>>
>> Both servers have Math::BigInt 1.77 installed. As far as I can tell, the
>> reason the error occurs on the new server but not on the old server, is
>> because on the old server the place that Math::BigInt is loaded is in
>> the file /usr/lib/perl5/vendor_perl/5.8.8/Net/IP.pm which contains the line:
>> use Math::BigInt;
>> whereas on the new server, Math::BigInt is loaded in the file
>> /usr/lib/perl5/vendor_perl/5.8.8/Crypt/DSA/KeyChain.pm which contains
>> the line:
>> use Math::BigInt 1.78 try => 'GMP, Pari';
>>
>> However, that's where my "expertise", such as it is, runs out. I have no
>> idea why the two machines even attempt to load Math::BigInt in two
>> different ways since I don't remember installing things differently on
>> them. I would like to fix the problem on the new machine in the cleanest
>> possible way (i.e., not just commenting out the "1.78" in the line "use
>> Math::BigInt 1.78" -- I don't think that would be the "clean" solution!).
>>
>> Any idea what to do?
>>
>> Bennett
>> _______________________________________________
>> CentOS mailing list
>> CentOS at centos.org
>> http://lists.centos.org/mailman/listinfo/centos
>
>
>
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