Debug School: Sivaraman

What are the list of DevOps Tools?

Sivaraman — Tue, 18 Jul 2023 08:46:33 +0000

Version Control Tools: Github, Gitlab, Bitbucket,
container management Tools: Docker, Kubernetes, Mesos
Application Monitoring Tools: AppDynamics,Dynatrace, Prometheus
Server Monitoring Toos: Splunk
Automation Tools: Chef, puppet, Ansible, terraform
DevOps CI/CD tools: Jenkins, AWS Code pipeline, Bamboo
DevOps testing Tools: Selenium, Jenkins

Terraform code for create a EC2 instance with security groups on my own AWS account

Sivaraman — Mon, 17 Jul 2023 17:40:03 +0000

Main.tf file :

resource "aws_instance" "Web_siva" {
ami = "ami-0d13e3e640877b0b9"
subnet_id = "subnet-073f3aa87892560bb"
security_groups = ["${aws_security_group.ssh-security-group.id}","${aws_security_group.http-security-group.id}"]
associate_public_ip_address = true
instance_type = "t3.micro"
tags = {
Name = "Web_Siva"
}
}

terraform aws create security group

resource "aws_security_group" "ssh-security-group" {
name = "SSH Security Group"
description = "Enable SSH access on Port 22"
vpc_id = "vpc-0cf9861452054b3fc"
ingress {
description = "SSH Access"
from_port = 22
to_port = 22
protocol = "tcp"
cidr_blocks = ["0.0.0.0/0"]
}
egress {
from_port = 0
to_port = 0
protocol = "-1"
cidr_blocks = ["0.0.0.0/0"]
}
}

resource "aws_security_group" "http-security-group" {
name = "HTTP Security Group"
description = "Enable HTTP access on Port 22"
vpc_id = "vpc-0cf9861452054b3fc"
ingress {
description = "HTTP Access"
from_port = 80
to_port = 80
protocol = "tcp"
cidr_blocks = ["0.0.0.0/0"]
}
egress {
from_port = 0
to_port = 0
protocol = "-1"
cidr_blocks = ["0.0.0.0/0"]
}
}

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What is DevOps in simple terms?

Sivaraman — Wed, 12 Jul 2023 17:49:22 +0000

Software Development and Operation resources works together as a single team and sharing the knowledges & roles each other in order to achieve the faster delivery of the software.

What exactly do DevOps do?

Sivaraman — Wed, 12 Jul 2023 17:48:13 +0000

DevOps is a strategy to collaborate Development and Operation resources to produce faster development, build, test and release of software or a service. Automation is a key aspect of DevOps.