03-05-2009
script for failed processes
I want to write a script that log all the failed processes and start the same process.
For that I have already write a script that gives all the PID
#!/bin/ksh
pid= `ps -ef |grep "ov" |grep -v "grep"| awk '{print $2}'`
echo $pid
if [ "$? -eq 0 ];
then
echo "process is running"
else
echo "process is not running"
fi
and o/p comes ->
19 25 40 43 44 45 46 47 48 18359 1557 2015 2016 2020 2021 2022 18236 11389 10523 12950 18239 9176 18228 29786 15867 12912 18296 24251 13650 18241 29658 16027 18307 18355 15868 18240 18305 15852 18233 18242 18243 18230 22644 15853 16003 16078 18238 18297 12728 18229 29731 16083 16097 18295 18298 19476 23290 16021
now if pid 19,18242 and 23290 is not running then hw can I log these pid in another file and start the same process??
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LEARN ABOUT REDHAT
adsl-connect
ADSL-CONNECT(8) System Manager's Manual ADSL-CONNECT(8)
NAME
adsl-connect - Shell script to manage a PPPoE link
SYNOPSIS
adsl-connect [config_file]
adsl-connect interface user [config_file]
DESCRIPTION
adsl-connect is a shell script which manages an ADSL connection using the Roaring Penguin user-space PPPoE client. If you omit con-
fig_file, the default file /etc/sysconfig/network-scripts/ifcfg-ppp0 is used. If you supply interface and user, then they override the
Ethernet interface and user-name settings in the configuration file.
Note that normally, you should not invoke adsl-connect directly. Instead, use adsl-start to bring up the ADSL connection.
adsl-connect first reads a configuration file. It then brings up a PPPoE connection. If the connection ever drops, a message is logged to
syslog, and adsl-connect re-establishes the connection. In addition, each time the connection is dropped or cannot be established, adsl-
connect executes the script /etc/ppp/adsl-lost if it exists and is executable.
The shell script adsl-stop causes adsl-connect to break out of its loop, bring the connection down, and exit.
TECHNICAL DETAILS
adsl-connect uses the following shell variables from the configuration file:
ETH The Ethernet interface connected to the ADSL modem (for example, eth0).
USER The ADSL user-id (for example, b1xxnxnx@sympatico.ca).
PIDFILE
A file in which to write the process-ID of the adsl-connect process (for example, /var/run/pppoe.pid). Two additional files ($PID-
FILE.pppd and $PIDFILE.pppoe) hold the process-ID's of the pppd and pppoe processes, respectively.
By using different configuration files with different PIDFILE settings, you can manage multiple PPPoE connections. Just specify the con-
figuration file as an argument to adsl-start and adsl-stop.
AUTHOR
adsl-connect was written by David F. Skoll <dfs@roaringpenguin.com>.
The pppoe home page is http://www.roaringpenguin.com/pppoe/.
SEE ALSO
pppoe(8), adsl-start(8), adsl-stop(8), pppd(8), pppoe.conf(5), adsl-setup(8), adsl-status(8), pppoe-sniff(8), pppoe-server(8), pppoe-
relay(8)
4th Berkeley Distribution 21 February 2000 ADSL-CONNECT(8)