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Top Forums Shell Programming and Scripting High availability of a process between two Linux servers Post 302978733 by Mahesh_RPM on Wednesday 3rd of August 2016 06:19:56 AM
Old 08-03-2016
High availability of a process between two Linux servers

Hello,

I would like to create a script that will maintain HA/failover of a process between two servers.

I wanted to send a continuous heartbeat message through a script to another server when everything is working fine, if a process has gone down then the same message should be sent another server then the slave server should bring up the process.

I have got no clue how to achieve this, please advice!

Thanks.
 

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

NAME
ypset -- tell ypbind(8) which YP server process to use SYNOPSIS
ypset [-h host] [-d domain] server DESCRIPTION
Ypset tells the ypbind(8) process on the current machine which YP server process to communicate with. If server is down or is not running a YP server process, it is not discovered until a YP client process attempts to access a YP map, at which time ypbind(8) tests the binding and takes appropriate action. Ypset is most useful for binding a YP client that is not on the same broadcast network as the closest YP server, but can also be used for debugging a local network's YP configuration, testing specific YP client programs, or binding to a specific server when there are many servers on the local network supplying YP maps. The options are as follows: -h host Set the YP binding on host instead of the local machine. -d domain Use the YP domain domain instead of the default domain as returned by domainname(1). SEE ALSO
domainname(1), ypbind(8), ypcat(1), ypmatch(1), yppoll(8), ypwhich(1), yp(8) AUTHOR
Theo de Raadt BSD
October 25, 1994 BSD
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