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Nick W
l33t
Joined: 07 Dec 2003
Posts: 684
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 Posted: Thu Jul 07, 2005 4:40 pm Post subject: Help Deleting Old Backups |
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Hi everyone,
I have cron job backing up a mysql db once an hour, and would like to delete backups over 5hrs old on the same cronjob.
The files look like this:
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20050531082008.sql.bz2 20050705080119.sql.bz2 20050707111000.sql.bz2
20050601080228.sql.bz2 20050707091732.sql.bz2 20050707121000.sql.bz2
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Can somebody tell me, or point me to some function/command that will help me delete the older backups regulary?
thanks very much! |
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BlackEdder
Advocate
Joined: 26 Apr 2004
Posts: 2586
Location: Dutch enclave in Egham, UK
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| Posted: Thu Jul 07, 2005 4:50 pm Post subject: |
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| Code: | | find 20* -cmin +300 | xargs rm |
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Anior
Guru
Joined: 17 Apr 2003
Posts: 317
Location: European Union (Stockholm / Sweden)
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| Posted: Thu Jul 07, 2005 4:53 pm Post subject: |
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Gnu: | Code: | | find /var/backups -ctime +150 -exec rm -f {} \; |
Posix: | Code: | | find /var/backups -ctime +150 -print|xargs /bin/rm -f |
Uses 150 days instead of 5 months but it should be close enough.
Last edited by Anior on Thu Jul 07, 2005 4:56 pm; edited 1 time in total |
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BlackEdder
Advocate
Joined: 26 Apr 2004
Posts: 2586
Location: Dutch enclave in Egham, UK
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| Posted: Thu Jul 07, 2005 4:55 pm Post subject: |
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| Anior wrote: | | Uses 150 days instead of 5 months but it should be close enough. |
He asked for 5 hrs not months, and I'm pretty sure you need a +150 else it will only delete those files precisely 150 days old. |
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Anior
Guru
Joined: 17 Apr 2003
Posts: 317
Location: European Union (Stockholm / Sweden)
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| Posted: Thu Jul 07, 2005 4:57 pm Post subject: |
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| BlackEdder wrote: | | Anior wrote: | | Uses 150 days instead of 5 months but it should be close enough. |
He asked for 5 hrs not months, and I'm pretty sure you need a +150 else it will only delete those files precisely 150 days old. |
Just edited it, but thanks.
And yea, my bad misread the time. |
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Nick W
l33t
Joined: 07 Dec 2003
Posts: 684
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| Posted: Thu Jul 07, 2005 7:19 pm Post subject: |
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oooh, thankyou!
I did ask on my own site aswell, though didn't expect anyone to reply as it's not really a linux site. I got this answer
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find "/home/backups/" -ctime +1 -name "*.bak" -exec rm '{}' \\;
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Thanks again, i'll play around with it, check the man pages and sort it  |
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