MultiCloud Classroom notes 28/Oct/2026

Patching VM

Types of patching:

• os
  • kernal update
  • network packages
  • dirvers
  • operation files
• application
  • package versions- java, python and its dependancy

Tools:

• wiztool
• veracode

Ex:

• we have two teams

1. admin team –> manage infra and access
2. project team –> create required servers and manage deployment application/apps
   • key or password will have for access vms

AWS SSM

• role –> policy –> provide permissions – attached my VM (ec2 instance)
• ssm agent install

Azure RUN Command

• wwa agent
• RBAC –> user need access for RUN command

Create ec2 instance in aws

1. gnerate key-pair and upload to aws keypairs
2. import keypair to aws
3. create ec2 instance with imported keypair

ssh -i <path of pemfile> username@ipaddress

sudo apt update # update all apt repo's
sudo apt list --upgradable
sudo apt install apache2 -y  # install apache2
sudo systemctl status apache2.service  # check status for application
sudo systemctl restart apache2.service 

Systemctl cmds

sudo systemctl <stop/start/restart/enable> <servername>

Task:

1. create linux (ec2 instance)

sudo apt update
sudo apt install nginx -y 
sudo systemctl status nginx
sudo systemctl restart nginx.service
sudo systemctl enable nginx
sudo systemctl stop nginx