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Top Forums Shell Programming and Scripting Linux startup and stop scripts using SSH Post 303006004 by siddharthjain on Wednesday 25th of October 2017 10:07:09 PM
Old 10-25-2017
Linux startup and stop scripts using SSH

I have a question. Actually I want to make two scripts, one is startup.sh and other is stopscript.sh
so for example, I have 5 servers.

Each server has two instances :-
abc111 - Masters
-cra4
abc222 -middle tear
-cra
abc333 -middle tear
-cra1
abc444 -middle tear
-cra2
abc555 -middle tear
-cra3

So when starting up a server, first I need to start my masters server first followed by cra4.
And then the next server, it should be middle tier followed by cra1. Same applies to other servers.
Basically when starting the servers i should start with masters first den cra4, middle tear first then cra, middle tear first then cra1, middle tear first then cra2, middle tear first then cra3.

And when stopping the servers, it should be opposite. for example, First i need stop the cra4 then masters, cra then middle tear, cra1 then middle tear, cra2 then middle tear, cra3 then middle tear.

So now I want to make my scripts to work in parallel for startup and for shutdown. I want to make a single scripts through which I can start all the servers one by one and also stop it one by one through ssh
And when we execute the startup or shutdown command, it should also ask me like :-
When we want to start: -
Code:
./startup.sh
1) masters 
2) cra
3) all
Please enter your choice inorder to start the services :- ?

Do you want read the logs for each service while startup :- ?
1) yes 
2) No

And for stopscript.sh
Code:
./stopscript.sh 
1. masters
2. cra

Please enter your choice in order to stop the services 
1. Stop process
2. Force kill Process

Stop type :- ?

I also need to make a command to see all the running processes.
ex :- Command pshow will lists all the running process.
So anyone can help me with this please ?

Last edited by rbatte1; 10-26-2017 at 08:46 AM.. Reason: Some formatting, some spelling, some grammar
 

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

NAME
service -- control (start/stop/etc.) or list system services SYNOPSIS
service -e service -R service [-v] -l | -r service [-v] <rc.d script> start|stop|etc. DESCRIPTION
The service command is an easy interface to the rc.d system. Its primary purpose is to start and stop services provided by the rc.d scripts. When used for this purpose it will set the same restricted environment that is in use at boot time (see below). It can also be used to list the scripts using various criteria. The options are as follows: -e List services that are enabled. The list of scripts to check is compiled using rcorder(8) the same way that it is done in rc(8), then that list of scripts is checked for an "rcvar" assignment. If present the script is checked to see if it is enabled. -R Restart all enabled local services. -l List all files in /etc/rc.d and the local startup directories. As described in rc.conf(5) this is usually /usr/local/etc/rc.d. All files will be listed whether they are an actual rc.d script or not. -r Generate the rcorder(8) as in -e above, but list all of the files, not just what is enabled. -v Be slightly more verbose ENVIRONMENT
When used to run rc.d scripts the service command sets HOME to / and PATH to /sbin:/bin:/usr/sbin:/usr/bin which is how they are set in /etc/rc at boot time. EXIT STATUS
The service utility exits 0 on success, and >0 if an error occurs. EXAMPLES
The following are examples of typical usage of the service command: service named status service -rv The following programmable completion entry can be use in bash(1) for the names of the rc.d scripts: _service () { local cur cur=${COMP_WORDS[COMP_CWORD]} COMPREPLY=( $( compgen -W '$( service -l )' -- $cur ) ) return 0 } complete -F _service service SEE ALSO
bash(1) (ports/shells/bash), rc.conf(5), rc(8), rcorder(8) HISTORY
The service utility first appeared in FreeBSD 7.3. AUTHORS
This manual page was written by Douglas Barton <dougb@FreeBSD.org>. BSD
December 11, 2012 BSD
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