Operating system updates include feature updates, bug fixes, and security improvements and are important to update periodically. This applies to desktop computers as well as servers. There are many tools available to manage the Windows update process. When it comes to Linux however, most struggle as few tools support Linux system updates. Luckily in Azure, we can manage updates for Linux VMs without any 3rd party tool.
This post will detail steps on how to enable patch management for Linux VM and how we can automate the patch deployment task.
Let's first start by creating a Linux VM.
Note: PowerShell will be used in the configuration process and will require the Azure PowerShell module to be installed.
New-AzResourceGroup -Name REBELRG -Location "East US"
In the above, REBELRG is the resource group name and East US is the resource group location.
$mylogin = Get-Credential New-AzVm -ResourceGroupName REBELRG -Name "REBELVM01" -Location "East US" -VirtualNetworkName "REBELVNET1" -SubnetName "REBELVMSubnet1" -PublicIpAddressName "REBELVM01IP1" -OpenPorts 22 -Image UbuntuLTS -Size Standard_D2s_v3 -Credential $mylogin
In the above, REBELVM01 is the VM name. It is running UbuntuLTS edition. I have specified it using -Image parameter. It also using Standard_D2s_v3 vm size. This also has SSH connection enabled.
With the Linux VM now created, next step is to configure the update management feature.
There are also hand-on lab resources within Microsoft Learn that can extend your knowledge surrounding the Azure Update Management solution in updating virtual machines in your cloud environment.
Check out the following Learn Module to learn more: Keep your virtual machines updated
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