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Full Discussion: Problem with nohup
Top Forums Shell Programming and Scripting Problem with nohup Post 302295904 by rikxik on Monday 9th of March 2009 09:54:13 PM
Old 03-09-2009
Quote:
Originally Posted by Yogesh Sawant
try running it in a GNU screen session

what is screen?

when using screen could be better than nohup
I doubt screen is present on Solaris 8 by default. I assume that the OP most likely won't have the permissions to install it (even if the package were available).

Quote:
Thankyou for replying....i dont see anything in nohup.out atall even after
the script completes running...nohup is not updated atall....Also the script needs to be terminated by kill command otherwise i can see it in the processes runing in the background
I seems to me that the sqlplus command is waiting for something since the select from v$instance is quite fast usually. Try this:

1. Check the pid of the process running in the background
2. Do a "ptree <pid>"
3. For each process in the ptree, do "/usr/ucb/ps auxwwwwwwww |grep <process_pid>"
4. See the actual sqlplus command being executed. Is anything wrong there? Can you simply cut/paste the sqlplus command on unix prompt and manage to execute or it hangs?

You have to drill down to the actual command and debug.
 

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LEARN ABOUT V7

nohup

NOHUP(1)                                                           User Commands                                                          NOHUP(1)

NAME

       nohup - run a command immune to hangups, with output to a non-tty

SYNOPSIS

       nohup COMMAND [ARG]...
       nohup OPTION

DESCRIPTION

       Run COMMAND, ignoring hangup signals.

       --help display this help and exit

       --version
              output version information and exit

       If  standard  input  is a terminal, redirect it from an unreadable file.  If standard output is a terminal, append output to 'nohup.out' if
       possible, '$HOME/nohup.out' otherwise.  If standard error is a terminal, redirect it to standard output.   To  save  output  to  FILE,  use
       'nohup COMMAND > FILE'.

       NOTE: your shell may have its own version of nohup, which usually supersedes the version described here.  Please refer to your shell's doc-
       umentation for details about the options it supports.

AUTHOR

       Written by Jim Meyering.

REPORTING BUGS

       GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
       Report nohup translation bugs to <http://translationproject.org/team/>

COPYRIGHT

       Copyright (C) 2017 Free Software Foundation, Inc.  License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
       This is free software: you are free to change and redistribute it.  There is NO WARRANTY, to the extent permitted by law.

SEE ALSO

       Full documentation at: <http://www.gnu.org/software/coreutils/nohup>
       or available locally via: info '(coreutils) nohup invocation'

GNU coreutils 8.28                                                 January 2018                                                           NOHUP(1)
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