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Full Discussion: How to starting process as daemon using ssh command?
Top Forums Shell Programming and Scripting How to starting process as daemon using ssh command? Post 302208112 by nitinshukla on Monday 23rd of June 2008 03:27:34 AM
Old 06-23-2008
How to starting process as daemon using ssh command?
Hello,

I need to run a command on remote Linux using the ssh command from my local machine. I am able to execute the command on remote machine using ssh but it's behaving strangely.

The command is supposed to start a daemon process on remote linux box and the control should return back to me but strangely this does not happen. The command works properly (i.e. starts the daemon process) when I ssh into remote linux box and type the command on console.

Here is how I give command on remote linux machine after sshing into the box.

$ /usr/local/bin/fatality.sh --email=nitins.shukla@gmail.com --log_dir=/tmp/fatality &
[1] 23274
$

This works fine and the process runs as daemon in background.

But when I try to run this command on same Linux box from my local machine, the process does not start as daemon and runs in background. Here's how I give the command from my linux machine

$ ssh root@remotelinux "/usr/local/bin/fatality.sh --email=nitins.shukla@gmail.com --log_dir=/tmp/fatality \"&\""

The control does not return back to me. Logging on the remote linux box I find that the process is running but not as daemon process in background.

Can anyone help how I should pass the command to ssh start the process as daemon process so that the control returns back to me.

Note both the time I am using same user account i.e. root to log on remote linux machine.

Any help is deeply appreciated.

Thank n Regards,
Nitin
 

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LEARN ABOUT SUSE

xon

XON(1)							      General Commands Manual							    XON(1)

NAME

       xon - start an X program on a remote machine

SYNOPSIS

       xon remote-host [-access] [-debug] [-name window-name] [-nols] [-screen screen-no] [-user user-name] [command ...]

DESCRIPTION

       Xon runs the specified command (default xterm -ls) on the remote machine using rsh, remsh, or rcmd.  Xon passes the DISPLAY, XAUTHORITY and
       XUSERFILESEARCHPATH environment variables to the remote command.

       When no command is specified, xon runs 'xterm -ls'.  It additionally specifies the application name to be 'xterm-remote-host' and the  win-
       dow title to be '-fIremote-host'.

       Xon  can  only  work  when  the	remote host will allow you to log in without a password, by having an entry in the .rhosts file permitting
       access.

OPTIONS

       Note that the options follow the remote host name (as they do with rlogin).

       -access
	      Runs xhost locally to add the remote host to the host access list in the X server.  This won't work unless xhost is given permission
	      to modify the access list.

       -debug Normally,  xon  disconnects the remote process from stdin, stdout and stderr to eliminate the daemon processes which usually connect
	      them across the network.	Specifying the -debug option leaves them connected so that error messages from the  remote  execution  are
	      sent back to the originating host.

       -name window-name
	      This specifies a different application name and window title for the default command (xterm).

       -nols  Normally xon passes the -ls option to the remote xterm; this option suspends that behaviour.

       -screen screen-no
	      This changes the screen number of the DISPLAY variable passed to the remote command.

       -user user-name
	      By  default, xon simply uses rsh/remsh/rcmd to connect to the remote machine using the same user name as on the local machine.  This
	      option cause xon to specify an alternative user name.  This will not work  unless  you  have  authorization  to  access  the  remote
	      account, by placing an appropriate entry in the remote users .rhosts file.

BUGS

       Xon can get easily confused when the remote-host, user-name or various environment variable values contain white space.

       Xon has no way to send the appropriate X authorization information to the remote host.

X Version 11							   scripts 1.0.1							    XON(1)
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