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Apache mod_watchdog is required

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Some of you may take the lazy way of updating your linux systems by using yum-cron. yum-cron will perform auto-updates on your system when patches are made available. With some configuration, you can have this program only send you and email alert. For those of you running an apache http server and have auto-updates configured. you probable […]
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volcopy for Linux?

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Reading one of the editions of the Nemeth’s book (Nemeth et al), have read about volcopy — an utility that copies a filesystem from one device to another, making “a literal copy” (here’s a man page, though not too helpful). The Book said the utility exists for Linux, but quick googlin’ didn’t show many results. […]
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Deleting files with special characters

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I have a folder named akorg✽. That Unicode character causes headaches for me when software makes incorrect assumptions about the text encoding of my file paths, so I’d like to remove it from the name. The problem You’d think this would be easy: $ mv akorg✽ akorg mv: cannot move ‘akorg✽’ to a subdirectory of […]
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Using awk to print all columns from the nth to the last

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Getting a one-liner awk routine to print the nth field to the last should not be so complicated. For my wish list awk should have a function called ‘fields’ that would perform this tasks. It could have the same syntax as the substr command ie fields(5, 8) which would print fields 5 through 8. Being […]
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How to recover a crashed Linux md RAID5 array?

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Some time ago I had a RAID5 system at home. One of the 4 disks failed but after removing and putting it back it seemed to be OK so I started a resync. When it finished I realized, to my horror, that 3 out of 4 disks failed. However I don’t believe that’s possible. There […]