AWS NACL and Security Group?
Both NACL and Security Group function as virtual firewalls in your VPC; however, there's a key distinction between them. NACL operates at the subnet level, whereas Security Group functions as…
What is the difference between IAM role and instance profile?
IAM Roles An IAM role, akin to an IAM user, is an AWS identity with attached IAM policies that dictate the actions the identity is allowed or disallowed to perform…
What’s the difference between NLB and ALB in AWS?
NLB (Network Load Balancer) Network Load Balancers (NLBs) function at layers 3 and 4 of the OSI model, while ALBs (Application Load Balancers) operate at layer 7. When a request…
Update a command in AWS instances (using ansible & ssh-agent)?
1) First, we need to start the ssh-agent (this program holds private keys for public key authentication) using the command.ssh-agent bash2) Now, we need to add the private key, along…