Question about /tmp on OLD RH

[Rick Stevens]

On Mon, 2005-10-03 at 13:48 -0700, John Reynolds wrote:
> >
> >On Mon, 2005-10-03 at 11:00 -0700, John Reynolds wrote:
> >> Hail, collective mind.
> >> 
> >> We have a system running RedHat 7.2 (yes, you shake the case and stone 
> >> arrowheads fall out).  A user wants /tmp increased; it's current part 
> of 
> >> the root partition.  You can't increase / without reconfiguring the 
> >> system, which I am not about to do if it can be avoided.  It would be 
> an 
> >> easy fix if /tmp could use swap space.  I haven't been able to find out 
> if 
> >> this is possible or no.  Since the system is about 500 miles away, I 
> can't 
> >> experiment; any change I make has to *work*. 
> >> 
> >> Does RH7.2 support tmpfs?  What would the fstab entry look like?  Is 
> there 
> >> an option I'm overlooking to solve the original problem of increasing 
> >> /tmp?
> >
> >Cheap and dirty?  Find a big partition (say "/usr").  Then, reboot in
> >single user mode ("linux single" at the boot prompt).  Once at the hash
> >prompt:
> >>
> >                # mkdir /usr/newtmp
> >                # cp -a /tmp/* /usr/newtmp
> >                # rm -rf /tmp
> >                # ln -s /usr/newtmp /tmp
> >
> >What this does is create a new temp directory, "/usr/newtmp".  You then
> >copy the contents of the existing /tmp into it, delete the old /tmp
> >directory and create a symbolic link to the new /usr/newtmp and give it
> >the old /tmp name.
> >
> >This generally works.  There may be occasions where this might not be
> >ideal--particularly where the system is trying to recover from a disk
> >corruption and /usr isn't mounted yet.  However, for 95% of folk,
> >this'll work.
> 
> I think I may need to tweak the permissions on newtmp, too:
> 
>         # chmod 777 newtmp
>         # chmod +t newtmp

Ah, yup.  Me make boo-boo.  Sorry!

> Sounds like a go, thanks!

Good luck, kemosabe!

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- Rick Stevens, Senior Systems Engineer     rstevens at vitalstream.com -
- VitalStream, Inc.                       http://www.vitalstream.com -
-                                                                    -
-  Jimmie crack corn and I don't care...what kind of lousy attitude  -
-                 is THAT to have, huh?   -- Dennis Miller           -
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