How do I make install clean a port in the background
Jonathan Horne
freebsd at dfwlp.com
Thu Aug 9 14:13:25 PDT 2007
On Thursday 09 August 2007 15:31:01 Bill Moran wrote:
> In response to Reid Linnemann <lreid at cs.okstate.edu>:
> > Written by Sean Murphy on 08/09/07 15:15>>
> >
> > > How do I make install clean a port in the background? I used
> > >
> > > cd /usr/ports/www/apache22
> > > make install clean &
> > >
> > > it returns the pid but then compiles in the foreground
> > >
> > > What am I doing wrong?
> > >
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> >
> > You're just seeing the output in the foreground, since the stdio and
> > stderr for that process are still directed to the terminal. If you are
> > using bash, you could "make install clean &> /dev/null &" to have the
> > process operate in the background and direct all output the the
> > bitbucket. I don't know the analog for other shells.
>
> That's only going to help so much. Most ports are going to generate
> compiler warnings that go to stderr, which will still spam your screen.
>
> First off, I recommend directing to a file instead of /dev/null. That way
> if it fails, you have the output to review. Secondly, redirect both
> standard out and standard error. In bourne shells:
>
> make install clean >~/buildlog.txt 2>&1 &
i use sysutils/screen. the entire process is stuck into a new shell, seperate
from the one you started the command in. so, for instance:
cd /usr/ports/www/apache22
screen make install clean
then, you can background the screen with:
ctrl-a-d
i use screen all the time. one of the most common uses i find for it, is when
i start a process on my box at home while at the office, and i know its going
to run way past end-of-day. ill screen it, and then pick the screen'd
terminal back up at home again, with a:
screen -r
or
screen -rd [pid]
(and dont forget to man screen!)
cheers,
--
Jonathan Horne
http://dfwlpiki.dfwlp.org
freebsd at dfwlp.com
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