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Old 04-28-2014, 04:05 PM   #16
suicidaleggroll
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Something is not right and sudo/root is not the answer. My guess is that cron's @reboot directive is running too early in the boot process before /var/run/screen has been prepared.

See:
https://bugs.launchpad.net/ubuntu/+s...en/+bug/574773

edit: lol - we found the same bug report at the same time

As a test, you could try putting a delay in there, something like
Code:
@reboot wait 60; sh /home/steve/craftbukkit.sh > /home/steve/craftbukkit.out 2>&1
If it works, you know that's the problem.

Last edited by suicidaleggroll; 04-28-2014 at 04:07 PM.
 
Old 04-28-2014, 04:09 PM   #17
EODSteven
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If that works then thats the answer!...I'll try it!
 
Old 04-28-2014, 04:13 PM   #18
suicidaleggroll
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Sorry, typo, that should have been sleep, not wait (getting my delay routines mixed up)
Code:
@reboot sleep 60; sh /home/steve/craftbukkit.sh > /home/steve/craftbukkit.out 2>&1
This will pause for a minute before running the script. So make sure you wait ample time before checking if the screen is there.
 
Old 04-28-2014, 04:14 PM   #19
schneidz
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Quote:
Originally Posted by suicidaleggroll View Post
Something is not right and sudo/root is not the answer. My guess is that cron's @reboot directive is running too early in the boot process before /var/run/screen has been prepared.

See:
https://bugs.launchpad.net/ubuntu/+s...en/+bug/574773

edit: lol - we found the same bug report at the same time

As a test, you could try putting a delay in there, something like
Code:
@reboot wait 60; sh /home/steve/craftbukkit.sh > /home/steve/craftbukkit.out 2>&1
If it works, you know that's the problem.
should be sleep 60 ? i dont have much experience with screen but i'm guessing it shouldnt/cant be used without a proper login ?

Last edited by schneidz; 04-28-2014 at 04:17 PM.
 
Old 04-28-2014, 04:26 PM   #20
EODSteven
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Wait a second.....The script file is the one creating the screen and no, wait 60 didn't work I'll try sleep.
 
Old 04-28-2014, 04:28 PM   #21
suicidaleggroll
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Quote:
Originally Posted by schneidz View Post
i dont have much experience with screen but i'm guessing it shouldnt/cant be used without a proper login ?
You may be right, I don't have a lot of experience with screen either.
 
Old 04-28-2014, 04:35 PM   #22
EODSteven
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Thumbs up

@Sucide Have some faith...It worked perfectly!
Final edit and logs for anyone looking at same solution:

crontab -e
Code:
@reboot sleep 60; bash craftbukkit.sh >> /home/steve/craftbukkit.out 2>&1
Script file in my home directory:
Code:
#!/bin/bash
 BINDIR=$(dirname "$(readlink -fn "$0")")
 cd "$BINDIR"
 cd /home/steve/craftbukkit/
 screen -dmS craftbukkit java -server -Xmx5120M -Xms5120M -XX:+UseConcMarkSweepGC -XX:+UseParNewGC -XX:+AggressiveOpts -XX:+DisableExplicitGC -XX:MaxGCPauseMillis=500 -XX:SurvivorRatio=16 -XX:TargetSurvivorRatio=90 -XX:+UseAdaptiveGCBoundary -XX:-UseGCOverheadLimit -Xnoclassgc -XX:UseSSE=3 -XX:LargePageSizeInBytes=4m -jar craftbukkit.jar -o true
Then everytime the computer gets rebooted due to a power failure, your gameserver will restart automatically!

...or you could go buy a $5,000 UPS

Last edited by EODSteven; 04-28-2014 at 05:42 PM. Reason: appended output to log to keep an ongoing log
 
  


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