Today we will learn, How to install "atop" and "sysbench" in RHEL 7.X. Step 1: First update the packages: 1> yum update -y Step 2: Enable EPEL repo: 1> cd /tmp 2> wget https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm 3> ls *.rpm Step 3: Install "ATOP" 1> yum install atop -y Step 4: Install …

EC2 instances(Linux servers) don’t have password-based authentication by default. You have to use the SSH key to connect your Linux instances. But in some cases, you want to use password-based authentication for your ec2 instances. Or you want your users to access the server using password-based authentication. In this …

Today we will learn, How to enable the enhanced networking (ENA) in Centos/RHEL/Amazon Linux EC2 instances. Before moving further, un the following command to upgrade the kernel to the latest version:: 1 ▶ sudo yum upgrade kernel -y Now, Here are the steps that We have to taken in order to enable ENA: Step 1. Ensure …

Today we will learn, how to create custom IAM policy. Step 1: Open AWS Console and Select IAM service. Step 2: Select "Policies". Step 3: Click on "Create Policy". Step 4: Click on "Json", Paste your policy and Press "Review Policy". Note: You can also use visual editor to create IAM Policies, which is very easy to use …

Today we will learn, how to create an IAM Role for AWS EC2 Instance. When you want to call any AWS API from EC2 for your applications and want to call it securely, without managing the security credentials that the applications use. Instead of creating and distributing your AWS credentials, you can assign permission to …

In previous blog, We have learned "how to Automate EC2 AMI backup process". Today we will learn, how to delete old AWS Instance(EC2) AMI using Lambda and Cloudwatch with a retention period. So that we will not charged for old EC2 AMIs. Please follow the below steps to achieve this. Step 1: Create IAM policy for an IAM …

Today we will learn, how to create an IAM Role for Lambda Function. Every lambda function need some permission for execution. So it's important to know how to create IAM Role for Lambda. To create IAM Role for Lambda, Please follow the below Steps: Step 1: Open AWS Console and Select IAM service. Step 2: Select IAM …

Today we will create an AWS Instance(EC2) AMI backup using Lambda and Cloudwatch. So that we can automate the AMI creation process as per our requirement. Please follow the below steps to achieve this. Step 1: Create IAM policy for an IAM Role. Copy the below policy and paste it in your IAM policy. 1{ 2 "Version": …

Today I will show you, how you can start and stop your AWS RDS instance using Lambda and Cloudwatch. Step 1: Create a Policy which has RDS, start-stop permission and has Cloudwatch permission. Create new Policy and paste the below policy in it: 1{ 2 "Version": "2012-10-17", 3 "Statement": [ 4 { 5 "Effect": "Allow", 6 …

Today we will upgrade our old m4.large RHEL instance to m5.large RHEL instance. But before doing this activity, we have to check if our instance is compatible or not. As C5,M5 instances support the next generation Elastic Network Adapter (ENA) technology. The C4,M4 instance use the Intel 82599 VF interface for enhanced …