05-22-2011
Uptime is gold.
I am a strong advocate of always having a watchdog process in place to watch all critical services and restart them if they go down.
Debugging why processes fail is another topic and certainly should not be used as an excuse to shave uptime down.
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1. Shell Programming and Scripting
Does anyone have an example of a ksh script that executes a Sybase stored procedure, via the ISQL command, and can detect a deadlock and loop until the process completes successfully? I'm a little confused on where to start.
Thanks in advance for any assistance you can provide. (0 Replies)
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2. Linux
I know how to add an apps to auto-start in GUI, but I'd like to know how to do it mannualy. So where is the file saved to by GUI ? (1 Reply)
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3. HP-UX
Hi All,
May i please know if it is possible to write a script to check the log messages and automatically restart a service if it is failed or it is stopped.
Appreciate your suggestions.
Thanks in advance.
regards,
Eajaz (2 Replies)
Discussion started by: ajazshariff
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4. Shell Programming and Scripting
I have a service that are not 100% stable and stops from time to time.
So I have a script that do restart the service if it does not run.
This script works win on Ubuntu 9.04 but will not start the service in Ubuntu 10.10
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5. AIX
hello,
i have an AIX6.1.7.2 machine that it was upgraded recently from AIX5.3.9.4.
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6. Shell Programming and Scripting
Hi Guys,
I need bash script to restart the service.
1. Disable the service called SASM
svcadm disable sasm
2. if service went to maintenance mode then it shuld clear it with below command
svcadm clear sasm
3.or else it should restart the mysql service
/etc/init.d/mysql stop... (1 Reply)
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7. Red Hat
I had a doubt if any services need to be restarted if port no in /etc/services in an RHEL setup is changed. For eg, the port no of 443 for SSL may need to be changed.
I hope my query is clear whether any services need to be restarted if port no in /etc/services is changed.
Please revert with... (10 Replies)
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8. Shell Programming and Scripting
I want the tomcat to restart when java goes 100% cpu utilize and remain on this , Get pid kill and start tomcat .
top | grep java
We can get pid and cpu utilize , But how can we do on run time.
Please use code tags as required by forum rules! (1 Reply)
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9. Debian
Hello,
I would like to do follow steps.
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/etc/network/interfaces
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LEARN ABOUT LINUX
stopped
stopped(7) Miscellaneous Information Manual stopped(7)
NAME
stopped - event signalling that a job has stopped
SYNOPSIS
stopped JOB=JOB INSTANCE=INSTANCE RESULT=RESULT [PROCESS=PROCESS] [EXIT_STATUS=STATUS] [EXIT_SIGNAL=SIGNAL] [ENV]...
DESCRIPTION
The stopped event is generated by the Upstart init(8) daemon when an instance of a job has stopped. The JOB environment variable contains
the job name, and the INSTANCE environment variable contains the instance name which will be empty for single-instance jobs.
If the job was stopped normally, the RESULT environment variable will be ok, otherwise if the job was stopped because it has failed it will
be failed.
When the job has failed, the process that failed will be given in the PROCESS environment variable. This may be pre-start, post-start,
main, pre-stop or post-stop; it may also be the special value respawn to indicate that the job was stopped because it hit the respawn
limit.
Finally in the case of a failed job, one of either EXIT_STATUS or EXIT_SIGNAL may be given to indicate the cause of the stop. Either
EXIT_STATUS will contain the exit status code of the process, or EXIT_SIGNAL will contain the name of the signal that the process received.
The normal exit job configuration stanza can be used to prevent particular exit status values or signals resulting in a failed job, see
init(5) for more information.
If neither EXIT_STATUS or EXIT_SIGNAL is given for a failed process, it is because the process failed to spawn (for example, file not
found). See the system logs for the error.
init(8) emits this event as an informational signal, services and tasks started or stopped by this event will do so in parallel with other
activity. It is typically combined with the starting(7) event by services when inserting themselves as a dependency.
Job configuration files may use the export stanza to export environment variables from their own environment into the stopped event. See
init(5) for more details.
EXAMPLE
A service that wishes to be running whenever another service would be running, started before and stopped after it, might use:
start on starting apache
stop on stopped apache
A task that must be run after another task or service has been stopped might use:
start on stopped postgresql
SEE ALSO
starting(7) started(7) stopping(7) init(5)
Upstart 2009-07-09 stopped(7)