[CentOS] trouble installing Math::BigInt module

[Tom Robinson]

Can you verify to which packages thefiles belong?

Try using RPM:

rpm -qf /usr/lib/perl5/vendor_perl/5.8.8/Net/IP.pm

and

rpm -qf /usr/lib/perl5/vendor_perl/5.8.8/Crypt/DSA/KeyChain.pm


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
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> CentOS at centos.org
> http://lists.centos.org/mailman/listinfo/centos


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