On Fri, 2007-08-31 at 14:13 -0700, Rick Stevens wrote: > On Fri, 2007-08-31 at 23:53 +0300, Dotan Cohen wrote: > > On 31/08/2007, Rick Stevens <rstevens@xxxxxxxxxxxx> wrote: > > > On Fri, 2007-08-31 at 23:18 +0300, Dotan Cohen wrote: > > > > I have a 2 GB bz2 archive that unzips to over 10 GB (wikipedia dump). > > > > Although I have over 50 GB free in /home, / has only about 8 GB free. > > > > Thus, as tar uses /tmp, the / filesystem fills up and I cannot > > > > continue. How can I specify a tmp directory for tar in my home > > > > directory? Note that man tar makes no mention of a tmp option. > > > > > > Boot in single user mode, Then as root: > > > > > > # mkdir /home/tmp > > > # chmod 777 /home/tmp > > > # mv /tmp /tmp-old > > > # ln -s /home/tmp /tmp > > > # cp -a /tmp-old/* /tmp > > > > > > That creates a /home/tmp directory, allows everyone access, renames the > > > old /tmp to /tmp-old, symlinks /home/tmp to /tmp, then copies everything > > > that was in the old /tmp to the new one. Once that's done, you can > > > reboot and all references to /tmp will now access /home/tmp. > > > > Thanks, Rick, I'll try that. I can then simply erase the symlink? I > > know that "rm /tmp" will not erase the symlink, rather the content of > > /home/tmp so how can I remove it afterwards? Thanks. > > No, "rm /tmp" will remove the symlink. If you want to revert to the > original /tmp, reboot in single user mode again and as root: > > # cp -a /tmp/* /tmp-old > # rm -f /tmp > # mv /tmp-old /tmp > > which will copy any changes from /home/tmp (/tmp) to the original /tmp > directory, then deletes the symlink and renames /tmp-old to /tmp. I should have added that you could then "rm -rf /home/tmp" to recover the space used on /home for the temporary "tmp" directory. That would be after the "mv" command above. > > Also, as a learning experience, is there a way a user without root > > access could unpack the tar? It's not a problem, but I'd like to > > learn. Thanks. > > If you were doing > > bunzip2 name-of-tar.bz2 > tar xf name-of-tar > > or even > > bzcat name-of-tar.bz2 | tar xf - > > then you're going to use /tmp. Do it all in one command: > > tar xJf name-of-tar.bz2 > > to unzip and untar the thing. Should do it all in the current > directory. ---------------------------------------------------------------------- - Rick Stevens, Principal Engineer rstevens@xxxxxxxxxxxx - - CDN Systems, Internap, Inc. http://www.internap.com - - - - BASIC is the Computer Science version of `Scientific Creationism' - ----------------------------------------------------------------------
