Re: [gentoo-user] Is this cruft in my /tmp?

On 7/29/06, Bo Ørsted Andresen <bo.andresen@××××.dk> wrote:
> On Sunday 23 July 2006 13:18, Mick wrote:
> > I checked the script I have in my /etc/X11/Sessions/fluxbox:
> > ==============================
> > eval "$(gpg-agent --daemon)"
> > /usr/bin/startfluxbox
> > kill `echo ${GPG_AGENT_INFO} | cut -d ':' -f 2`
> > ==============================
> >
> > Running these separately after I kill gpg-agent *and* empty the /tmp/gpg-*
> > entities gives me the following semi-illuminating response:
> >
> > $ eval "$(gpg-agent --daemon)"
> > can't connect to `/home/michael/.gnupg/log-socket': Connection refused
> >
> > Why does this happen? A new ENV variable has been created alright in the
> > /tmp dir:
> >
> > $ echo ${GPG_AGENT_INFO}
> > /tmp/gpg-0UQfJ1/S.gpg-agent:11772:1
> >
> > I think that the kill `echo ${GPG_AGENT_INFO} | cut -d ':' -f 2` line in my
> > fluxbox start up script kills the gpg-agent process but does not seem to
> > flush the ENV variable, hence all this cruft accumulates in /tmp.
> >
> > Does anyone else have this problem?
>
> Apparently gpg-agent does clean up properly after it when it is killed. I have
> just changed my gpg-agent.sh shutdown script as shown below. The rm and rmdir
> lines should make it clean up nicely after it.
>
> $ cat ~/.kde/shutdown/gpg-agent.sh
> #!/bin/sh
> # the second field of the GPG_AGENT_INFO variable is the
> # process ID of the gpg-agent active in the current session
> # so we'll just kill that, rather than all of them :)
> if [[ -n ${GPG_AGENT_INFO} ]]; then
>         kill $(echo ${GPG_AGENT_INFO} | cut -d ':' -f 2)
>         rm $(echo ${GPG_AGENT_INFO} | cut -d ':' -f 1)
>         rmdir $(dirname `echo ${GPG_AGENT_INFO} | cut -d ':' -f 1`)
>         unset GPG_AGENT_INFO
> fi
>
> --
> Bo Andresen
>
>

First off, doesn't one of the boot scripts clean /tmp? Or is that just my imagination?
Second, I have found that it is better to mount /tmp as a tmpfs. That way I get a (slight) increase in performance when I'm ripping cd's and stuff, I don't risk running out of space on / (not all that big of a problem, though), whenever I turn the computer of /tmp get's cleared and, last but not least, I tell myself that I get more battery-time on my laptop since it doesmn't have to write to disk as much. Yay!
To do this, all you need is to put
none                    /tmp            tmpfs           defaults        0 0
in /etc/fstab. Add size=nbytes to select maximum size of the filesystem. Defaults to half of ram.


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