MultiCloud Classroom notes 02/May/2026

Patching Virtual Machines (Azure & AWS)

• OS
• Application packages

Scenario

Imagine your company has two teams:

Team	Role
Admin Team (Us)	Creates cloud infrastructure — VMs, networks, storage
Project Team	Developers who use the VMs to deploy their applications

Problem:

• Project team holds login cridentals of thier vm
• Admin team does not have ssh password or keys
• Admin team responsible for keeping VM patching and secure

1. Azure – VM patching without SSH a. Console (https open broswer) b. Run Command (Agent will our scrpits) WAagent (windows Azure linux agent)

• (waagent)

2. AWS – VM patching without SSH

a. Ec2 connect ==> open broswer connect vm b. AWS system manager (need agent) * enable ssm role * SSM agent (we need install ssm agent) * (SSM)

Update default packages

redhat/amazon linux

• dnf ==> package manager (Dandified yum)
• yum ==> Old package manager (yellowdog updater,modified) RPM

sudo dnf update -y 

ubuntu/debian packages

apt: application packing tool

sudo apt update && sudo apt upgrade -y 

windows

• choco
• winget
• Manually download & install

Exercise:

• create redhat/centos vm/ec2 machine run below cmds

sudo yum update -y && sudo yum install httpd -y