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7.2. Red Hat Network Monitoring Daemon (rhnmd)
To get the most out of your Monitoring entitlement, Red Hat suggests installing the Red Hat Network Monitoring Daemonon your client systems. Based upon OpenSSH,
rhnmd enables the RHN Satellite Server to communicate securely with the client system to access internal processes and retrieve probe status.
Please note that the Red Hat Network Monitoring Daemonrequires that monitored systems allow connections on port 4545. You may avoid opening this port and installing the daemon altogether by using
sshd instead. Refer to Section 7.2.3, “Configuring SSH” for details.
7.2.1. Probes requiring the daemon
An encrypted connection, either through the Red Hat Network Monitoring Daemonor
sshd, is required on client systems for the following probes to run:
- Linux::CPU Usage
- Linux::Disk IO Throughput
- Linux::Disk Usage
- Linux::Inodes
- Linux::Interface Traffic
- Linux::Load
- Linux::Memory Usage
- Linux::Process Counts by State
- Linux::Process Count Total
- Linux::Process Health
- Linux::Process Running
- Linux::Swap Usage
- Linux::TCP Connections by State
- Linux::Users
- Linux::Virtual Memory
- LogAgent::Log Pattern Match
- LogAgent::Log Size
- Network Services::Remote Ping
- Oracle::Client Connectivity
- General::Remote Program
- General::Remote Program with Data
Note that all probes in the Linux group have this requirement.
