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Importing .sdtid files with stoken

Posted on June 21, 2016 by Colin Faber
2

So this morning I was kindly reminded again by my corporate IT overlords that my RSA soft token was going to be expiring in 9 days. Having had this token in place for a year now I had forgotten how … Continue reading →

Posted in General Knowledge, Networking / Wifi, Security & Encryption | 2 Replies

Decoding lustre /tmp/lustre-log.XXXX dumps

Posted on May 18, 2016 by Colin Faber
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Simple tip, to decode thread stack dumps from Lustre file system, which typically get dumped into /tmp, run: lctl df <input file> <output file> This will leave you with an ascii formatted, human readable stack trace which can be used … Continue reading →

Posted in FAQs, File Systems, Linux, Lustre | Leave a reply

New Perl module Config::Simple::Conf

Posted on April 16, 2016 by Colin Faber
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I’ve just released a new perl module based on my Ruckus::Conf module. This library allows you to implement an .INI like file parser for your perl programs. It allows for the configuration file to be simple and easy to follow, … Continue reading →

Posted in Uncategorized | Leave a reply

Update: Kubuntu 15.10

Posted on March 7, 2016 by Colin Faber
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Well after a few days of usage I found some major problems which prevented me from adopting Kubuntu 15.10 with the lovely Plasma 5 setup. Auto mount of NFS shares is broken again Desktop backgrounds are locked to a single … Continue reading →

Posted in General Knowledge, Kubuntu | Leave a reply

Kubuntu 15.10

Posted on February 26, 2016 by Colin Faber
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Upgrading from 14.04.3 to 15.10 and plasma 5, I have to say, I like it, it’s very polished, looks great, and usability is still there from earlier revisions. I’m looking forward to further customizing this system.

Posted in General Knowledge, Kubuntu | Leave a reply

SSSD with use on Lustre file system to improve uid resolution

Posted on February 24, 2016 by Colin Faber
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I’ve always wondered if the SSSD project could be leveraged to provide slightly faster stat() resolution. It’s worth testing and hopefully I have some time to investigating further. Project URL: https://fedorahosted.org/sssd/    

Posted in Musings | Leave a reply

Infiniband Tips and Tricks

Posted on January 26, 2016 by Colin Faber
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Below are some commands I’ve found useful when dealing with infiniband and related issues. Determine port state on all ports available within the fabric The command ibnetdiscover command will show you the state of each port in the the fabric. … Continue reading →

Posted in General Knowledge, Infiniband / IB, Linux, Networking / Wifi, Tips | Leave a reply

SC15

Posted on December 1, 2015 by Colin Faber
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Well, another year of Super Computing conference has come and gone, some interesting stuff but mostly the same things over and over. The company I work for just announced a new type of hard disk drive (10,000 RPM 3.5 full … Continue reading →

Posted in Misc | Leave a reply

New Perl module: Proc::Fork::Control – easily control fork()’s within Perl code

Posted on November 13, 2015 by Colin Faber
2

Hi Again, In addition to recently releasing Filesys::Virtual::Chroot I’ve also decided to publish my fork() control library as Proc::Fork::Control. Proc::Fork::Control is a simple to use library which functions much the same way as Proc::Fork. That said, Proc::Fork is not used, … Continue reading →

Posted in Perl, Programming | 2 Replies

New Perl module: Filesys::Virtual::Chroot

Posted on November 13, 2015 by Colin Faber
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I’ve been trying hard lately to take useful code I’ve written over the years for different projects (such as my predictive anti-spam system Ruckus scanmail) and rep.ublish the libraries with more generic names under CPAN Filesys::Virtual::Chroot provides advisory functions for … Continue reading →

Posted in File Systems, Tools | Leave a reply

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