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Full Discussion: Script to Reboot and Confirm
Top Forums Shell Programming and Scripting Script to Reboot and Confirm Post 302497142 by alister on Wednesday 16th of February 2011 01:04:52 PM
Old 02-16-2011
Hello, ravzter and bartus11:

Unless i misread, I don't think bartus11's script will do what you want. Except for every 4th ip address, it checks for the ip address in the log after only giving the device 1 second to reboot. I think you'd need to store the currently rebooting 4 ip addresses in a string and then loop over them after the 5 minute sleep.

The following isn't tested, not even for syntax errors, but I believe it's more in line with what you're trying to accomplish:
Code:
#!/bin/ksh

i=1;
ips_all="1.2.3.4 1.2.3.5 1.2.3.6 1.2.3.7 1.2.3.8 1.2.3.9 1.2.3.10"
ips_rebooting=
for ip in $ips_all; do
    ips_rebooting=$ips_rebooting' '$ip
    deviceReboot -reboot $ip
    if [ $((i%4)) -ne 0 ]; then
        sleep 1
        continue
    else
        sleep 300
    fi
    for ip in $ips_rebooting; do
        if ! grep "found $ip" /log/file >/dev/null; then
            echo "$ip not restarted, exiting"
            exit 1
        fi
    done
    ips_rebooting=
    ((i++))
done

That retooling of bartus11's script also exits if an ip is not found in the log. Perhaps it may be desirable to continue on; if so, remove the 'exit 1' line.

Also, you'll need to rotate or delete that log file after each run if you're always using the same ip addresses.

Regards,
Alister
This User Gave Thanks to alister For This Post:
 

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REBOOT(8)						    BSD System Manager's Manual 						 REBOOT(8)

NAME
reboot, halt, fastboot, fasthalt -- stopping and restarting the system SYNOPSIS
halt [-lnpq] [-k kernel] reboot [-dlnpq] [-k kernel] fasthalt [-lnpq] [-k kernel] fastboot [-dlnpq] [-k kernel] DESCRIPTION
The halt and reboot utilities flush the file system cache to disk, send all running processes a SIGTERM (and subsequently a SIGKILL) and, respectively, halt or restart the system. The action is logged, including entering a shutdown record into the user accounting database. The options are as follows: -d The system is requested to create a crash dump. This option is supported only when rebooting, and it has no effect unless a dump device has previously been specified with dumpon(8). -k kernel Boot the specified kernel on the next system boot. If the kernel boots successfully, the default kernel will be booted on successive boots, this is a one-shot option. If the boot fails, the system will continue attempting to boot kernel until the boot process is interrupted and a valid kernel booted. This may change in the future. -l The halt or reboot is not logged to the system log. This option is intended for applications such as shutdown(8), that call reboot or halt and log this themselves. -n The file system cache is not flushed. This option should probably not be used. -p The system will turn off the power if it can. If the power down action fails, the system will halt or reboot normally, depending on whether halt or reboot was called. -q The system is halted or restarted quickly and ungracefully, and only the flushing of the file system cache is performed (if the -n option is not specified). This option should probably not be used. The fasthalt and fastboot utilities are nothing more than aliases for the halt and reboot utilities. Normally, the shutdown(8) utility is used when the system needs to be halted or restarted, giving users advance warning of their impending doom and cleanly terminating specific programs. SEE ALSO
getutxent(3), boot(8), dumpon(8), nextboot(8), savecore(8), shutdown(8), sync(8) HISTORY
A reboot utility appeared in Version 6 AT&T UNIX. BSD
October 11, 2010 BSD
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