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Eweek has an article on a new 1TB Seagate drive. Most home users don’t have a need for 1TB of storage (the only way I’ve ever filled a 300G drive is by using it for multiple backups) and enterprise customers generally want small fast drives (with <100G drives still being sold for servers). One interesting […] 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 same configuration give more regular graphs). The expected graph will start high on the Y scale (MB/s) and steadily drop as the reads go to […] 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 made me think about some of the potential ways of advertising free software projects. It seems that in some ways Google Adwords is not the […] 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 company benefits the most! When electricity sources such as wind and solar power which can vary in capacity are used the electricity would be cheaper […] # 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 The above example shows how to get a list of all variables beginning with “f” (NB the wildcard can only go at the end). Related posts: Heartbeat service scripts A service script for Heartbeat needs to support at least… 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 the an Australian nuclear weapons capability and then spends 3 out of 5 paragraphs related to the “Left” side explaining that he thinks that everyone […] 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 this would send out a message every day indicating that up2date did nothing. To only get email when there is something interesting happening I changed […] |
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