I don't think I quite get what you mean. I understand that if Tomcat
is running and you bounce it, it will get a new PID. But I am
grepping for the currently running PID associated with Tomcat right?
For example:
.......
pid = capture("ps -aef | grep tomcat | head -2 | tail -1 | awk
'{print $2}'")
run "kill -9 #{pid}"
.......
On Sep 18, 9:54 am, Lee Hambley <[email protected]> wrote:
> It's a different pid every time your process starts, you must also bear in
> mind that when grepping, sometimes you restrict the result of PS to include
> the pid of the grep command filtering it
> e.g: ps aux | grep ruby
>
> leehambley 1867 0.2 0.0 2425520 96 s000 R+ 4:53pm 0:00.01
> grep --color ruby
> root 124 0.0 0.0 2445616 944 ?? S Tue09pm 0:00.01
> /opt/loca…..passenger….
>
> -- Lee Hambley
>
> Twitter: @leehambley
> Blog:http://lee.hambley.name/
> Working with Rails:http://is.gd/1s5W1
>
> 2009/9/18 pete <[email protected]>
>
>
>
>
>
> > I used Capture, which seems a bit cleaner, I don't have the ability to
> > use pkill.
>
> > However, I get the wrong PID returned??
>
> > When I run my command on the command line manually I get 32553, as an
> > example.
>
> > When Cap runs, it returns 32106, or something like that.
>
> > Why am I getting different PIDs?
>
> > On Sep 17, 7:45 pm, Donovan Bray <[email protected]> wrote:
> > > Use capture instead of run
> > > And parameterize the second command to use what was captured
>
> > > Or investigate pskill and killall that can do it in one step
>
> > > On Sep 17, 2009, at 11:28 AM, pete <[email protected]> wrote:
>
> > > > Let me clarify this a little better...
>
> > > > I would like to do something like this:
>
> > > > task :myTask, :roles => :myhost do
> > > > run "ps- -aef | grep <searchstring> | head -2 | tail
> > > > -1 | awk '{print $2}'"
> > > > run "kill <PID FROM PREVIOUS run COMMAND>"
> > > > end
>
> > > > On Sep 17, 11:57 am, pete <[email protected]> wrote:
> > > >> Hi-
>
> > > >> I want to use Cap to kill a process, but I don't know the PID so I am
> > > >> using what I have below to get it:
>
> > > >> ps- -aef | grep <searchstring> | head -2 | tail -1 | awk '{print $2}'
>
> > > >> Is it possible to use the results of the above command in a custom
> > > >> task and kill off the PID that is returned?
>
> > > >> Thanks!
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