[Xymon] execute a command from server (browser) on a client

Another Xymon User xymon at epperson.homelinux.net
Thu Jul 4 21:21:21 CEST 2013


Thanks, Ralph! I had case 1 working with a PKI trust relationship
for root between the Xymon servers and the clients, but when the
auditors made us set "NoRootLogin yes" in sshd_config everywhere, it
broke and I had not had a chance to figure out how to do it with sudo.
Case 2 will let me work up an alternative. 

On 2013-07-04 12:07, Ralph
Mitchell wrote: 

> It could be done, but it's a bit more complicated
than that. Your browser is talking to the Xymon server, not the server
where the downed service should be running. Here's a couple of ways it
could be done, using your tomcat example: 
> 1) you would need a cgi
script on the Xymon server capable of logging in to the remote tomcat
server with enough privilege to be able to restart tomcat or to dump
memory, then send back to your browser any restart messages or the
memory dump as a file download; 
> or 
> 2) a cgi script on the xymon
server that could add a variable to the client-local.cfg for the tomcat
server. Next time the remote checks in with xymon it would pick up that
flag and store it in $HOME/etc/local.cfg. A cron job could examine that
file occasionally and if the flag shows up, restart or dump memory as
appropriate. This cycle could take 10 - 15 minutes to complete. 
> I
don't know if anyone has such automation currently running. 
> Ralph
> On Thu, Jul 4, 2013 at 7:24 AM, deepak deore
<deepakdeore2004 at gmail.com> wrote:
>> Is it possible to execute a
command on client from xymon browser? 
>> eg. 
>> 1.If a service
is in RED state, just select that service and fire restart command from
>> 2. If tomcat not responding then take thread dump from
browser by selecting that particular tomcat. 
>> I can write html
for gui. 
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