On 19 Sep, 2007, at 10:06 AM, P. A. Bagyenda wrote:
Perhaps somebody has had to deal with this before:
You have more than one dialup link (created with a bare bones
'pppd call isp_x' and 'pppd call isp_y'). To bring down the link,
we are told all that needs to happen is a 'killall pppd'. I would
like however to bring down only one of the pppd links (say the one
to isp_x) not both of them, which is what the killall does. Any
ideas how to do this?
wrap the "pppd call isp_x" and "pppd call isp_y" in a shell script
that saves the process IDs somewhere say /var/run/isp_x.pid and /var/
run/isp_y.pid. (either by sending to the background and using the
value of $! or using fork() or ... ).
Once that's done then all you have to do is kill `cat /var/run/
isp_x.pid` .
The alternative is to use ps and grep to find the PID pppd you want
to bring down with kill. (Yes, I know what that sentence sounds
like :D )
Patrick
PS:
Incidentally, on SuSE at least, there's a /sbin/startproc which given
a -p will do the whole PID creation thing for you at which point you
can use /sbin/killproc -p to kill the correct pppd. Not sure what OS
you're trying this on and if it has something similar.
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