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nss
Guru
Joined: 04 Oct 2004
Posts: 389
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 Posted: Sun Sep 02, 2007 5:13 am Post subject: copy a directory and change fstab |
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Right now, I have a separate partition for /usr/local that is 2GB. I also have a 500MB / partition and no separate partition for /opt. So basically, / has more used space than I planned and so I think I'll mount the /opt directory in place of /usr/local.
I _think_ this will work:
1.) boot with a livecd
2.) backup the contents of /usr/local and /opt by-
| Code: | # cp -dpPR /usr/local/ /backup/place/
# cp -dpPR /opt /backup/place/ |
3.) remove /opt and /usr/local
4.) change fstab and remount
5.) put the backups back by-
| Code: | # cp -dpPR /backup/place/usr/local/ /usr/
# cp -dpPR /backup/place/opt/ / |
Do I have the correct options? Should this method work?
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didymos
Advocate
Joined: 10 Oct 2005
Posts: 4798
Location: California
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| Posted: Sun Sep 02, 2007 5:35 am Post subject: |
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Should work. Couple tips, though. You don't have to use cp -dpPR; cp -a does the same thing. You don't need to boot the LiveCD either. Just make sure nothing is using anything in either directory, then do:
| Code: |
cp -a /usr/local /backup/usrlocal && cp -a /opt /backup/opt && rm -rf /opt/* /usr/local/* && mv /backup/usrlocal/* /opt/ && mv /backup/opt/* /usr/local/ && umount /usr/local /opt
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Now, edit /etc/fstab and swap the devices, then remount.
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Thomas S. Howard |
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