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running command in background

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Operating Systems Solaris running command in background
# 1  
Old 08-03-2012
running command in background
hi all

i am running following command

Code:
ufsdump  0ubf  512 /dev/rmt/0cbn /database/backup2/rman_backup/level1 >> /database/backup2/backup_tape/level1_rman_03aug12 2>&1;

i want to run it in background how can i do it
in this i am generating logs for backup.

the problem occurs when i am taking OS backup the server is in single user mode so i can not able to get another session so i can not see the logs.
so i want to run it in background.
please help.
Last edited by DukeNuke2; 08-03-2012 at 08:07 AM..
# 2  
Old 08-03-2012
If your shell allows for job control: Replace the semicolon at the end of your command by "&"

I dimly recall once using a tool called screen that allows several sessions under one login session.
Last edited by RudiC; 08-03-2012 at 07:29 AM.. Reason: another approach...
# 3  
Old 08-03-2012
on Solaris, you can background a command with the & at the end, but you should also nohup it like this:

Code:
nohup <<command>> &

Screen is a very nice utility too, very helpful.
# 4  
Old 08-04-2012
I'd recommend against mucking about with screen while in single user mode. Keep it as simple as you possibly can when on the terminal.
edit: Also, don't worry about nohup when doing your task, you won't be sending any HUP signals or breaking a TTY stream while sitting on the console (see above: simple = good)
Last edited by Smiling Dragon; 08-04-2012 at 01:47 PM..
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