Archive for the '*nix' Category « Previous Entries Crystalfontz LCD – 635 on FreeBSD and OpenSolaris Wednesday, December 16th, 2009 I have recently gotten a hold of a CFA 635 LCD + Keypad device. Very slick. I was doing some work with it and wanted to use a unix OS to drive the device for some custom work. I ran into a couple minor things when getting the device setup. 1) It works great in [...] Posted in *nix, Tech Rambling | No Comments » When free isn’t free – enforcement of the GPL just because Tuesday, December 15th, 2009 All I can say is wow. I read this article http://www.computerworld.com/s/article/9142262/Multiple_consumer_electronics_companies_hit_with_GPL_lawsuit today and I am unfortunately not surprised. This is a perfect example of why many developers shy away from the GPL license when distributing their open source code. First, I want to say I am a big fan of Open Source. I have used [...] Posted in *nix, Tech Rambling | No Comments » Recovering from a compressed ZFS root pool Thursday, September 24th, 2009 Opensolaris and ZFS are great, but not without their limitations. A more recent addition is that Solaris can boot from a zpool, but not if you compress it or raidz it. Only single drives or mirrors, and no compression. A good practice is to setup your root pool for the system, then setup a separate [...] Posted in *nix | No Comments » xVM (xen) poor VMDK file performance with ZFS and SATA drives Thursday, September 24th, 2009 We recently setup an xVM server on a new blade running 24Gig ram and 3 500 gig SATA hard drives. We installed Linux as a Paravirtualized client and we were off. ** A quick note, this post is geared towards those who have poor IO performance running xVM, ZFS, and SATA drives. We have an [...] Posted in *nix | No Comments » Make a boot to USB boot disk Thursday, December 22nd, 2005 The instructions here are specific to RedHat Fedora Core 2. I will try to note differences between FC2 and later releases. In general, the steps should be the same as those for other releases (Mandrake, etc.) mkbootdisk A cool little utility. This will generate a boot disk for your system. This is great because it [...] Posted in *nix, Boot Linux from USB Hard drive | No Comments » « Previous Entries

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