SCOM Global Service Monitor

Hello All!

Pretty short post about System Center Operations Manager Global Service Monitor feature.

Microsoft have pretty useful service called Global Service Monitor(GSM) which could help you to monitor yours external Web Sites from different Locations for Availability.

But some times you can have External Resource but with Limited access from specific White-list and if you want to setup GSM to monitor that resource you can use list of IP from following MS link: IP addresses used by Application Insights  to make ACL Rules on Firewall.

Hope that info will help you set more secure monitoring.

OMS (Log Analytics) and Red Hat/CentOS integration issue

If you are trying to use Operations Manager Suite to monitor your Red Hat or CentOS VMs you will probably face following issue if you use “Connect” button on Log Analytics section in Azure:

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There are two ways (tested on CentOS but it same behavior on Red Hat) to make it work:

 

First way:

  1. Disable Diagnostics for VM during creation

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  1. Use connect button on portal.azure.com

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  1. And after some time

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And data will appear in OMS Logs.

Pros: That Workspace Connected on Azure Portal

Cons: Disabled Azure Diag (you’ll monitor VM with OMS  – so no need)

 

Second way:

 

  1. Deploy VM with Azure Diag Enabled:

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  1. In order to enable OMS you’ll have to install agent Manually:

If previously you tried to use Connect VM button on Azure Portal and it was Fail: You have to use Disconnect button and wait until operation finished (VM have to be turned on.)

In Putty on VM

$> wget https://github.com/Microsoft/OMS-Agent-for-Linux/releases/download/v1.1.0-28/omsagent-1.1.0-28.universal.x64.sh

$> sha256sum ./omsagent-1.1.0-28.universal.x64.sh

$> sudo sh ./omsagent-1.1.0-28.universal.x64.sh –upgrade -w <YOUR OMS WORKSPACE ID> -s <YOUR OMS WORKSPACE PRIMARY KEY>

  1. At the End on azure portal in will be listed as Not Connected but monitoring and data in OMS should appear.

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Pros But at the end you’ll both OMS data and Azure Diag.

Cons Not Connected in Azure Portal

 

Both ways should bring OMS Linux

If you deployed VM with Azure Diag Enabled and decided to disable it and use Connect Button in Log Analytics Section of Portal – it will NOT Fail if

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You have to remove extension totally by running following commands:

> sudo rpm -e omsconfig
> sudo rpm -e omsagent
> sudo /opt/microsoft/scx/bin/uninstall

 

After that you Can use “Connect” feature)

Happy Monitoring 🙂

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