Committing Data to DiskCommitting Data to Disk
I’ve just watched the video of Stewart Smith’s LCA talk Eat My Data about writing applications to store data reliably and not lose it. The reason I watched it was[...]
Strange SATA Disk PerformanceStrange SATA Disk Performance
Below is a GNUPlot graph of ZCAV output from a 250G SATA disk. The disk has something wrong with it (other disks of the same brand in machines of the[...]
Advertising Free Software ProjectsAdvertising Free Software Projects
Today I just noticed the following advert on one of my web pages: MINIX3 is a new reliable free operating system. Smaller than Linux. Try it It’s free! www.minix3.org This[...]
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Xen and HeartbeatXen and Heartbeat
Xen (a system for running multiple virtual Linux machines) and has some obvious benefits for testing Heartbeat (the clustering system) – the cheapest new machine that is on sale in[...]
Who Benefits when Cheap Electricity is used?Who Benefits when Cheap Electricity is used?
In a comment on my previous blog post a question was asked as to who benefits when customers are able to use cheap electricity. The answer is that the electricity[...]
Backup for Wind PowerBackup for Wind Power
A question that people often ask about wind power (and was asked in the comments section of my previous post) is what can be done when the wind speed decreases[...]
Pointers in Bash Shell ScriptsPointers in Bash Shell Scripts
# foo=bar # name=foo # echo ${!name} bar The above example shows how to make a bash environment variable reference the value of another. # echo ${!f*} foo fs_abc_opts fs_name[...]
A Lack of Understanding of Nuclear IssuesA Lack of Understanding of Nuclear Issues
Ben Fowler writes about the issues related to nuclear power in Australia. He spends 8 paragraphs discussing the issues on the “Right” side of politics – of which 6 concern[...]
Rackspace RHEL4 updatesRackspace RHEL4 updates
A default RHEL4 install of a Rackspace (*) server contains a cron.d file named /etc/cron.d/rs_rhncheck that runs a job to check for Red Hat Network updates. In the default configuration[...]
Nixforce unauthorised useNixforce unauthorised use
Just over two days ago I sent a DMCA take-down request to nixforce.com for copying my content in violation of the non-commercial license that I offer, I have not had[...]