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Re: [Help-glpk] GLPK installation help

From: Andrew Makhorin
Subject: Re: [Help-glpk] GLPK installation help
Date: Tue, 02 Jul 2013 18:56:35 +0400

> I was trying to install GLPK 4.35 

4.35 is too old. Most recent version is 4.51.

> on my Ubuntu 12.05 LTS system but  
> couldn't succeed. I downloaded the sig file and ran the following  
> command:
> sudo gpg --verify glpk-4.35.tar.gz.sig
> But it showed public key requirements. So I ran the following command:
> sudo gpg --keyserver --recv-keys 5981E818
> But then it showed following error message:
> gpg: WARNING: unsafe ownership on configuration file  
> `/home/shahab/.gnupg/gpg.conf'
> gpg: external program calls are disabled due to unsafe options file  
> permissions
> gpg: keyserver communications error: general error
> gpg: keyserver receive failed: general error
> In the conf file everything is commented. What should I do know? Your  
> help regarding this matter would me much appreciated.

I think you should not run gpg as a superuser. Try run it as a normal

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