[LUNA] Cron

Tue Jun 17 21:12:05 CDT 2014

Have you checked out monit yet? I'm pretty sure it will do these things you
want.

On Tuesday, June 17, 2014, Michael W. Hall <hallmw at att.net> wrote:

> That is what I was thinking.  I believe that it would just fire off a
> new copy bfgminer.  I mainly need to detect if a process called bfgminer
> is running.  If so, then just wait and check later.  If not, then start
> it again.
>
> I am not sure if this is feasible, but sometimes bfgminer will say a
> miner is dead if it has stopped responding.  I would like to restart
> bfgminer then also.  Not sure if you could detect that.  Anyone mining
> on the group?
>
> Michael
>
> On Mon, 2014-06-16 at 19:33 -0500, Paul F. Pearson wrote:
> > i didn't think of that. i'm not sure of the loop method was intended to
> run from cron. Of course you're right, if that was the intent.
> >
> > ------
> > Paul F. Pearson
> > We all laugh in the same language
> >
> > ----- Bob Nance <bob.nance at novationsys.com <javascript:;>> wrote:
> > > Sorry, I was confused. I thought that was going to be a script called
> by cron. That would cause it to fork a new script every time cron was
> triggered which would fire off another miner on to of the one that was
> already there. My bad.
> > >
> > > ---
> > >  Bob Nance
> > >  Novation Systems
> > >  256-534-4620
> > >
> > > (iPhone-flavored)
> > >
> > >
> > > On Jun 16, 2014, at 4:20 PM, "Paul F. Pearson" <pfpearson at mchsi.com
> <javascript:;>> wrote:
> > >
> > > >> Wouldn't that just stack the system with a new copy
> > > >
> > > > Only if bfgminer forks a new process then exits. Otherwise, the
> script will be blocked until bfgminer exits.
> > > >
> > > > Someone else suggeted using wait. That would be appropriate if the
> process runs in the background.
> > > >
> > > > Here's a few examples to demonstrate (I'll use a loop to answer the
> fear of "stacking the system"). In the first example, xclock will come up
> once; when you close it it will come up again in 10 seconds. You'll only
> see it 3 time. In the second example, xclock will come up three times 10
> seconds apart. The third example will behave like the first.
> > > >
> > > > # Example 1: script will block until xclock exits
> > > > #!/bin/sh
> > > >
> > > > for i in 1 2 3; do
> > > >  xclock
> > > >  sleep 10
> > > > done
> > > >
> > > >
> > > > # Example 2: script will not block
> > > > #!/bin/sh
> > > >
> > > > for i in 1 2 3; do
> > > >  # run xlcok in the background; I think sh does this using a fork
> > > >  xclock &
> > > >  sleep 10
> > > > done
> > > >
> > > > # Example : script will block until xclock exits
> > > > #!/bin/sh
> > > >
> > > > for i in 1 2 3; do
> > > >  # run xlcok in the background; I think sh does this using a fork
> > > >  xclock &
> > > >  # now, wait for the xclock process to finish
> > > >  wait $!
> > > >  sleep 10
> > > > done
> > > >
> > > > Caveats: I only know what Michael said about bfgminer, so I can't
> say how it behaves. My brain isn't working well enough to use the right
> terminology about blocking, etc.
> > > >
> > > > ------
> > > > Paul F. Pearson
> > > > We all laugh in the same language
> > > >
> > > > ----- "Bob Nance" <bob.nance at novationsys.com <javascript:;>> wrote:
> > > >
> > > >> Wouldn't that just stack the system with a new copy of the software
> > > >> running? Or is the software smart enough to not run twice?
> > > >>
> > > >> ---
> > > >> Bob Nance
> > > >> Novation Systems
> > > >> 256-534-4620
> > > >>
> > > >> (iPhone-flavored)
> > > >>
> > > >>
> > > >>> On Jun 13, 2014, at 8:40 PM, "John Price" <jp_luna at gcfl.net
> <javascript:;>> wrote:
> > > >>>
> > > >>> How about something much simpler...
> > > >>>
> > > >>> #!/bin/sh
> > > >>> while /bin/true; do
> > > >>> bfgminer <various command line params>
> > > >>> sleep 10 #wait a bit so if there's a real problem you don't hammer
> > > >> the
> > > >>> server
> > > >>> done
> > > >>>
> > > >>>
> > > >>>
> > > >>>> On Fri, Jun 13, 2014 at 8:32 PM, Michael W. Hall <hallmw at att.net
> <javascript:;>>
> > > >> wrote:
> > > >>>>
> > > >>>> Ok.  I have a question.  I am mining BTC.  Have been since
> > > >> February.  I
> > > >>>> am running bfgminer.  I have it running, but would like to improve
> > > >> it.
> > > >>>> When I am away from home (work or vacation), the bfgminer program
> > > >> will
> > > >>>> stop.
> > > >>>>
> > > >>>> I know I can do it just not sure how to go about it.  I would like
> > > >> the
> > > >>>> system to check every 5 minutes or so if the bfgminer is running.
> > > >> If it
> > > >>>> is then do nothing.  If it is not then I would like to restart.  I
> > > >> have
> > > >>>> to start the program like so,
> > > >>>>
> > > >>>> bfgminer <various command line params>
> > > >>>>
> > > >>>> Any ideas on the best way to do this?
> > > >>>>
> > > >>>> Thanks,
> > > >>>> Michael
> > > >>>>
> > > >>>> _______________________________________________
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