OS - Unix Agentless Opspack
Unix (trademarked as UNIX) is a family of multitasking, multiuser computer operating systems that derive from the original AT&T Unix.
Service Checks Copied
| Service Check | Description | Default Thresholds (Metric: Warning, Critical) |
|---|---|---|
| Load Average | Check system load average via SSH | load1: load5: load15: |
| Storage Utilization | Check root partition utilization via SSH | <partition>: 2%,5% |
| System Memory | Check system memory utilization via SSH | utilisation: |
Note
See details about Monitoring Plugin thresholds here.
Dynamic Thresholds Support Copied
Some Service Checks within this Opspack support Dynamic Thresholds for Opsview Enterprise.
Prerequisities Copied
Opsview Cloud
For Opsview Cloud customers, please contact ITRS Support for assistance with these steps, as they require Orchestrator access.
Setup Opsview Monitor Server for Monitoring Copied
The following setup steps are to be run on your Opsview Monitor server.
Login to your Opsview server as the Opsview user:
sudo -iu opsview
Generate the SSH key:
ssh-keygen
Note: These install steps assume you are using the default location (/opt/opsview/.ssh/id_dsa). You can enter a passphrase if you want to.
View and copy the contents of this key file:
cat ~/.ssh/id_rsa.pub
Setup Unix Server for Monitoring Copied
The following setup steps are to be run on the Unix server you wish to monitor.
Create the Opsview user on your Unix server:
sudo useradd opsview -m -d /opt/opsview
Set the password for the Opsview user:
sudo passwd opsview
Login as the new user:
su - opsview
Navigate to your home directory:
cd ~
Create an SSH directory:
mkdir .ssh
Assign permissions to this directory:
chmod 0700 .ssh
Move to the new directory:
cd .ssh
Create an authorised_keys file:
vi authorized_keys
Paste the contents of the key you generated on your Opsview system into this new file.
Assign permissions to this file:
chmod 0644 authorized_keys
Create the plugins directory:
mkdir -p /opt/opsview/monitoringscripts/plugins
Install Perl:
For operating systems that support APT:
apt-get install perl -y
For operating systems that support YUM:
yum install perl -y
Setup and Configuration Copied
Opsview Cloud
For Opsview Cloud customers, please contact ITRS Support for assistance with these steps, as they require Orchestrator access.
Note: The Agentless Opspack works by running the plugins on the target machine over SSH. The plugins must first be stored on the target machine.
On your Opsview Monitor server, copy the plugins to the server you want to monitor Copied
scp /opt/opsview/monitoringscripts/plugins/check_disk opsview@IPADDRESS:/opt/opsview/monitoringscripts/plugins
scp /opt/opsview/monitoringscripts/plugins/check_load opsview@IPADDRESS:/opt/opsview/monitoringscripts/plugins
scp /opt/opsview/monitoringscripts/plugins/check_memory opsview@IPADDRESS:/opt/opsview/monitoringscripts/plugins
Add the Host Template Copied
Add the OS - Unix Agentless Host Template to your Opsview Monitor host.
Note
For more information, refer to the documentation on Adding Host Templates to Hosts.
Apply Changes Copied
Apply Changes and the system will then be monitored:
