Debian 7.0 “Wheezy” Upgrade & Xen Host/Guest Difficulties

Yesterday, I decided to upgrade my Linode hosted, Xen virtualized server from Debian 6.0 “Squeeze” to Debian 7.0 “Wheezy“.  Usually this process is quite easy, just adding some software channels and upgrading the software.  This time, however, I ran into some nasty bug with different Xen host/guest Linux kernels and how they handle disk-io write-barriers.

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Debian Iceweasel Upgrade from Unstable 10.0.x ESR to Experimental 16.0.x

So, I’m typically very reserved about using under-supported software of any kind, and that includes anything coming from Debian’s “experimental/rc-buggy” branch.  However, Iceweasel finally tempted me to cross the line.

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Debian 6.0 Upgrade; Apache WebDAV Woes

A bit ago, the Debian project announced their 6.0 release of their GNU/Linux distribution.

I upgraded recently, and all went smoothly.  The one difficulty was that my WebDAV shares through Apache were no longer able to write to the file-system.  Turns out I wasn’t the only one who experienced this and the fix was very simple.

Password Scalability Improvement in Hashing Algorithm

As part of my IT System Administration duties, one of the many issues I would have to deal with is the “strength” of users’ passwords used to access the system. Part of this has to do with how users choose their password, and part of this has to do with how the system stores the passwords. This article addresses the latter.

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