devops-school

Elasticsearch 8.X in Centos 7
-------------------------------
192.168.1.8

https://www.elastic.co/guide/en/elasticsearch/reference/current/install-elasticsearch.html



$ yum install wget unzip -y
$ wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-8.4.2-linux-x86_64.tar.gz

devops-school

Your Name

Address: [Address], [City, State, ZIP]
Phone: [Phone Number]
Email: [Email Address]

Objective

Highly skilled and motivated Site Reliability Engineer (SRE) with [X] years of experience in designing, building, and maintaining highly scalable and reliable systems. Seeking a challenging position where I can leverage my expertise in automation, monitoring, incident response, and infrastructure management to ensure the availability, performance, and efficiency of critical applications and services.

Education

devops-school

#!/bin/bash

# Set the SMTP server name and port number
SMTP_SERVER="email-smtp.ap-south-1.amazonaws.com"
SMTP_PORT="587"

# Set the sender email address and AWS SES username and password
SENDER_EMAIL="contact@XXXXXXXX.com"
SES_USERNAME="XXXXXXXXXXX"
SES_PASSWORD="XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"

devops-school

provider "aws" {
  region     = "eu-west-1"
  access_key = ""
  secret_key = ""
}
resource "aws_instance" "example" {
  ami           = "${var.ami-mine}"
  instance_type = "t2.micro"
  key_name      = "rajesh"

devops-school

### Option 1 - Terraform can generate SSL/SSH private keys using the tls_private_key resource

variable "key_name" {}

resource "tls_private_key" "example" {
  algorithm = "RSA"
  rsa_bits  = 4096
}

resource "aws_key_pair" "generated_key" {

devops-school

The Grok plugin is one of the more cooler plugins. It enables you to parse unstructured log data into something structured and queryable. Grok is looking for patterns in the data it’s receiving, so we have to configure it to identify the patterns that interest us. Grok comes with some built in patterns. The pattern we are using in this case is %{COMBINEDAPACHELOG}which can be used when Logstash is receiving log data from Apache HTTP.

input {
    beats {
        port => "5044"
    }
}

devops-school

$ terraform init
$ terraform plan
$ terraform apply --auto-approve
$ terraform output

devops-school

Some popular options for daemon.json

The following sample configures the Docker Engine to accept incoming connections on port 2375. All other configuration options will use default values.

{
    "hosts": ["tcp://0.0.0.0:2375"]
}

The following sample configures the Docker daemon to keep images and containers in an alternate path.

devops-school

# Get commands with basic output
kubectl get services                        # List all services in the namespace
kubectl get pods --all-namespaces           # List all pods in all namespaces
kubectl get pods -o wide                    # List all pods in the namespace, with more details
kubectl get deployment my-dep               # List a particular deployment
kubectl get pods                            # List all pods in the namespace
kubectl get pod my-pod -o yaml              # Get a pod's YAML
kubectl get pod my-pod -o yaml --export     # Get a pod's YAML without cluster specific information
kubectl get replicationcontroller web       # List a single replication controller with specified NAME           

devops-school

What is an AWS region?

• A region is a geographical area that consists of diffrent availabilty zones. Each region consts of 2(or more) Availability Zones.

What dose an AWS Region consist of?

• An independent collection of AWS computing resources in a defined geography.

Which statement best describes Availability Zones?

• Distinct locations from within an AWS region that are engineered to be