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Links 1 through 10 of 11 by Marc Abramowitz tagged sysadmin

Mentioned by a lot of folks as the best source for info about Red Hat Package Manager (RPM); <a href="http://www.amazon.com/gp/product/0672311054/104-4071214-7291146?ie=UTF8&tag=marcsepinion-20&linkCode=xm2&camp=1789&creativeASIN=0672311054">dead tree</a>

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So what have we learned about LVM2? It’s insanely powerful and cool, but the pvmove command could really use some work, and getting the segment layout/map of everything is a bit of a pain to interpret. But with some care, cool things can be done.

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The Linux Logical Volume Manager (LVM) is a mechanism for virtualizing disks. It can create "virtual" disk partitions out of one or more physical hard drives, allowing you to grow, shrink, or move those partitions from drive to drive as your needs change.

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backs up your GNU/Linux server or workstation to tape, CD-R, CD-RW, DVD-R[W], DVD+R[W], NFS or hard disk partition.

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A thoughtful article on some of the subtle issues involved in doing backups. His favorite tool is "dar".

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run a utility (cssh) giving a couple of server names as parameters, and then xterms opens up to each server with an extra "console" window. Anything typed into the console is replicated into each server window (so you can edit the same file on N machines

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