[CentOS] Backup and reinstall a CentOS server
Marco Fretz
mailinglist at blah.liTue Sep 2 11:33:06 UTC 2008
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josh donovan wrote: > I've got a CentOS server that crashes due to a bad hard disk. I have got a spare disk and need to format and reinstall CentOS from the SERVER CD. Backup and reinstall is a major PITA because of some of the customisations that I've done e.g. the DNS Server is set to log queries (the default does not do this). Any tips on :- > > - backing up and reinstalling (is a script available)? If you want to copy the whole server, use cpio. We use this to convert phys servers to virtual. find / | cpio -o -Hnewc | ssh -c blowfish <remote server> "cpio -u -i -m -d -Hnewc" or use the -p switch in cpio for pass-through mode. see the cpio info pages. You might exclude /dev, /sys/, /proc, etc.... > - is the SERVER CD still 4.4? the one in the web, no. would be difficult to find one... with the cpio trick you dont need a CD to reinstall. just attach the new HD do the runnig server... but, you might want to use cenots 5? my recommendation at all is to do a fresh cenots 5 install, copy over and merge the configs... > - Any suggestions on BIND to log queries without SELINUX throwing a fuss? Is selinux obstructing query log? do you use "rndc querylog" to turn it on? > > > Thanks for any help! > Josh
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