Category Archives: Nerd

Redhat 6.5-6.7 vs Dell Poweredge R430 serial console

Situation, normal day at work, need to port a working on a Dell 620r serial console friendly kickstart image to updated hardware, in this case a Dell R430. I’m working over the integrated Dell serial console(ssh->idrac) with no external serial … Continue reading

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It just works -> GFY

First world problems #751. Apple bitch #431. Operating system update to my hallowed i-phone 5s turns on a previous deactivated feature. The phone now buzzes every time an email arrives. Complication? I get 200+ emails/day spread over 24 hours. Check … Continue reading

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Mac, no really restart the damn system already

Jesus fucking christ. When I tell my mac os-X system to restart, I get deluged with ‘are you sure you want to close application X?’, then the ever frustrating ‘Application Y cancelled restart’ Even better is when application Y is … Continue reading

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RHEL6 livecd-creator bug fix

Problem Running livecd-creator (livecd-tools-13.4.5-1.el6.x86_64 + python-imgcreate-13.4.5-1.el6.x86_64.rpm) leaves loopback mounts around after execution. Environment RedHat Enterprise Linux 6.5 running under Virtualbox 4.3 # lsof | grep loop # # time livecd-creator -d -v –logfile=/tmp/livecd.debug.out -c /a/infoboot.ks -f “INFO” # … #Inserting fragment … Continue reading

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MacRants 101: Window maximization….huh?

  I have 2 beautiful dual 24.5″ monitors at my desk. Maximizing an single application screen greys out other monitor hiding all applications that are displayed. Thanks for wasting 24.5″ of screen real estate. Of course I’d never want to … Continue reading

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Mac Rants Adventures with a new cult, starting point

After years and years of having utterly customizable Linux desktops at work, and having to make the MS Windows user interface usable, my new job has kindly purchased two high powered Macintosh computers for me to use. I had never been willing to … Continue reading

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PyhtmlTable, and Python html table simliar to table.php or table.pm

It occurred to me after I’d updated my website to the new wordpress hotness, some of my old, and potentially useful links might have become obfuscated. This is a link to PyHtmlTable, and Python library to generate html tables programatically. … Continue reading

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Hard Drive failures and mitigation: brochure, theory, practice

I was asked to explain drive failures and mitigation efforts to some Director level and Aboves relative to our servers, after one server had issues due to a bad drive. “How are we not monitoring for these types of failures, … Continue reading

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Applied Laziness, bash functions to make you a better lazier sysadmin

As a good sysadmin, you are probably in the good habit of making a backup copy of critical system files before editing them. But, as a good sysadmin, you are probably confident enough to occasionally skip the above step. With … Continue reading

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Solaris SDS/ODS/SVM san migration with minimal downtime

I need to migrate a Solaris 10 database server from an old san array to a newer one, while taking as small an outage as we can. I came upon the migration method below by necessity. We have a fairly … Continue reading

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