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There are two main scenarios for using the agentcmd utility:

  • With an agent on a system that has been added to Uptime Infrastructure Monitor. In this case, the hostname is in the up.time DataStore.
  • With an agent that has been deployed on a system that has not been added to Uptime Infrastructure Monitor. If there is no agent on the system, or there are network problems, agentcmd returns the following error message:
    ERR Unable to contact Agent (10.1.2.34 on port 9998)

You can use agentcmd in two ways: 

Using agentcmd at the command line

The command line syntax of agentcmd is:

 agentcmd <t#> <-/+s> <-p #> hostname command

Where:

  • t# = use timeout.
  • -s = do not use an SSL connection to the agent (default).
  • +s = connect to the agent using SSL.
  • If SSL is not enabled on the host, the following error message appears:
    ERR The host was not configured to use SSL
  • -p # = connect to the agent on the specified port (default is 9998).
  • hostname = the name or IP address of the host on which the agent is running.
  • command = the agent command to run.

For example, to get basic system information from an agent running on the server Solaris1, type the following command:

agentcmd +s Solaris1 sysinfo 

The agent will return output similar to the following:

SYSNAME=Solaris1 
DOMAIN=myDomain.com
ARCH="SunOS Solaris1 5.9 Generic_118558-03 sun4u sparc SUNW,Ultra-Enterprise" 
OSVER=5.9
NUMCPUS=4 
MEMSIZE=1048576 
PAGESIZE=8192 
SWAPSIZE=1021624 
GPGSLO=25 VXVM="" 
SDS="YES"
HOSTID="808cf673"
CPU0=" 0 - - 168 - UltraSPARC - " 
CPU1=" 1 - - 168 - UltraSPARC - " 
CPU4=" 4 - - 168 - UltraSPARC - " 
CPU5=" 5 - - 168 - UltraSPARC - " 
NET0=lo0=127.0.0.1 
NET1=hme0=10.0.0.010

Using agentcmd in an agent-side script

As with netcat, agentcmd is typically used in a script on the monitoring station to perform the following tasks:

  • Contact an agent system.
  • Attempt to run a predefined agent-side script.
  • Return the results of an agent-side script.
  • Validate the status of those results.
  • Return the status to Uptime Infrastructure Monitor.

The following example illustrates how to run agentcmd in an agent side script:

The rexec in the command below does not indicate use of the rexec system utility. It is a keyword that is used to indicate to the agent that you are attempting to run a pre-defined command.

/usr/local/uptime4/scripts/agentcmd [-s/+s] -p [agent port] [agent hostname] rexec [password] [path]


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