updated to reflect new ver of Linux supported

Author: MGoedtel

articles/azure-arc/servers/onboard-portal.md

@@ -6,7 +6,7 @@ ms.service: azure-arc
 ms.subservice: azure-arc-servers
 author: mgoedtel
 ms.author: magoedte
-ms.date: 02/12/2020
+ms.date: 02/24/2020
 ms.topic: conceptual
 ---
 
@@ -175,12 +175,26 @@ To disconnect a machine from Azure Arc for servers (preview), do the following:
     ForEach-Object {MsiExec.exe /x "$($_.PsChildName)" /qn}
     ```
 
-1. To uninstall the Linux agent, run the following command:
+1. To uninstall the Linux agent, the command to use depends on the Linux operating system.
+
+    - For Ubuntu, run the following command:
 
       ```bash
       sudo apt purge azcmagent
       ```
 
+    - For RHEL, CentOS, and Amazon Linux, run the following command:
+
+      ```bash
+      sudo yum remove azcmagent
+      ```
+
+    - For SLES, run the following command:
+
+      ```bash
+      sudo zypper remove azcmagent
+      ```
+
 ## Next steps
 
 - Learn how to manage your machine using [Azure Policy](../../governance/policy/overview.md), for such things as VM [guest configuration](../../governance/policy/concepts/guest-configuration.md), verifying the machine is reporting to the expected Log Analytics workspace, enable monitoring with [Azure Monitor with VMs](../../azure-monitor/insights/vminsights-enable-at-scale-policy.md), and much more.

articles/azure-arc/servers/overview.md

@@ -7,7 +7,7 @@ ms.subservice: azure-arc-servers
 author: mgoedtel
 ms.author: magoedte
 keywords: azure automation, DSC, powershell, desired state configuration, update management, change tracking, inventory, runbooks, python, graphical, hybrid
-ms.date: 02/20/2020
+ms.date: 02/24/2020
 ms.topic: overview
 ---
 
@@ -46,6 +46,10 @@ The following versions of the Windows and Linux operating system are officially
 
 - Windows Server 2012 R2 and higher (including Windows Server Core)
 - Ubuntu 16.04 and 18.04
+- CentOS Linux 7
+- SUSE Linux Enterprise Server (SLES) 15
+- Red Hat Enterprise Linux (RHEL) 7
+- Amazon Linux 7
 
 >[!NOTE]
 >This preview release of the Connected Machine agent for Windows only supports Windows Server configured to use the English language.