Java Installation - Linux - Mithun Technologies - 9980923226

Mithun Technologies            +91-9980923226              devopstrainingblr@gmail.com

                                                       http://mithuntechnologies.com/
                                                       http://mithuntechnologies.co.in/ 

Java Installation  in RHEL

#Login as a root user sudo su -

#Install JRE 1.8

yum install java-1.8.0-openjdk -y
java -version 

#Install JDK 1.8 

yum install java-1.8.0-openjdk-devel -y

javac -version 

#Install JRE 11  

yum install java-11-openjdk -y

java -version 

#Install JDK 11

yum install java-11-openjdk-devel -y

javac -version  

Java Installation  in Ubuntu ##Login as a root user sudo su -

Packer Installation - Linux Server- Mithun Technologies - 9980923226

Mithun Technologies            +91-9980923226              devopstrainingblr@gmail.com

                                                       http://mithuntechnologies.com/
                                                       http://mithuntechnologies.co.in/ 

Packer Installation 

#Login as a root user in ec2 instance
sudo su -

#You will need to upgrade your system and packages
yum update -y

#Install wget and unzip packages
yum install wget unzip vim -y


#Go to /opt dir
cd /opt

#Download the Packer software.
https://packer.io/downloads.html 

wget  https://releases.hashicorp.com/packer/1.5.4/packer_1.5.4_linux_amd64.zip

#Extract the terraform software.
unzip packer_1.5.4_linux_amd64.zip -d /usr/local/bin/

#Check the version
packer -v (OR) packer --version

#Help
packer -help

Steps to create password less ssh between two AWS EC2 instances - Mithun Technologues - +91-9980923226

Steps to create password less ssh between two AWS EC2 instances - Mithun Technologies - 9980923226

Mithun Technologies            +91-9980923226              devopstrainingblr@gmail.com

                                                       http://mithuntechnologies.com/
                                                       http://mithuntechnologies.co.in/ 

Steps to create password less ssh between two AWS EC2 instances

Pre Requisites

  2 Linux Servers
     Redhat Linux Server - A
     IP:       13.233.128.180
     User:     ec2-user
     Password: ********
   
     Redhat Linux Server - B
     IP:       13.127.64.6
     User:     ec2-user
     Password: ********

Step  1

Generate the ssh key using below command in Redhat Linux Server - A

ssh-keygey
~/.ssh/
id_rsa
id_rsa.pub

Step 2
Copy the public key from Redhat Linux Server - A to Redhat Linux Server - B as follows.

ssh-copy-id ec-user@Redhat Linux Server - B HostName/IP Address


Step 3
Test the configurations as follows.

ssh ec2-user@Redhat Linux Server - B HostName/IP Address

It should not ask the password and It will successfully connected to Redhat Linux Server - B from Redhat Linux Server - A




  

Terraform Installation - Linux Server- Mithun Technologies - 9980923226

Mithun Technologies            +91-9980923226              devopstrainingblr@gmail.com

                                                       http://mithuntechnologies.com/
                                                       http://mithuntechnologies.co.in/ 

Terraform Installation 

#Login as a root user in ec2 instance
sudo su -

#You will need to upgrade your system and packages
yum update -y

#Install wget and unzip packages
yum install wget unzip vim -y

#Download the terraform software.
#Use https://www.terraform.io/downloads.html to download the terraform software.

wget https://releases.hashicorp.com/terraform/1.3.3/terraform_1.3.3_linux_amd64.zip

#Extract the terraform software.
unzip terraform_1.3.3_linux_amd64.zip -d /usr/local/bin/

#Check the version
terraform -v (OR) terraform version

#Help
terraform -help

Mongo DB Installation - Linux - Mithun Technologies - 9980923226

Mithun Technologies            +91-9980923226              devopstrainingblr@gmail.com

                                                       http://mithuntechnologies.com/
                                                       http://mithuntechnologies.co.in/ 

Mongo DB Installation 

#Login as a root user
sudo su -

#Configure the package management system (yum).
#Create a file /etc/yum.repos.d/mongodb-org-4.2.repo

vi /etc/yum.repos.d/mongodb-enterprise-4.2.repo

#add below lines in /etc/yum.repos.d/mongodb-org-4.2.repo file

[mongodb-enterprise-4.2]
name=MongoDB Enterprise Repository
baseurl=https://repo.mongodb.com/yum/redhat/$releasever/mongodb-enterprise/4.2/$basearch/
gpgcheck=1
enabled=1
gpgkey=https://www.mongodb.org/static/pgp/server-4.2.asc

#Install the mongodb
yum install -y mongodb-enterprise

#Enable the mongod service
systemctl enable mongod

#Start  the mongod service
systemctl start mongod

#Check the mongo db version
mongo --version

#Connect to mongo db
mongo

#Create a user

use admin
 
db.createUser(
  {
    user: "mithuntechnologies",
    pwd: "passw0rd",
    roles: [ { role: "userAdminAnyDatabase", db: "admin" } ]
  }
)

#Enable authentication

vi /etc/mongod.conf

security:
    authorization: "enabled"
   
#Restart the mongod service as follows.

service mongod restart

# Connect to Mongo DB from any client
mongo mongod:IPAddress:27017

Install Git in AWS - EC2 Instance - Mithun Technologies - +91 - 9980923226

Mithun Technologies            +91-9980923226              devopstrainingblr@gmail.com

                                                       http://mithuntechnologies.com/
                                                       http://mithuntechnologies.co.in/
##Login as a root user
sudo su -

##Change dir to /opt
cd /opt
##The below command will download and install all required development libraries to your system.

yum groupinstall "Development Tools" -y

yum install gettext-devel openssl-devel perl-CPAN perl-devel zlib-devel curl-devel -y
yum install wget tar -y

##Open below URL and select the specific version and right click on that and click on Copy Link ##Address, then execute the wget command.
##https://github.com/git/git/releases

wget https://github.com/git/git/archive/v2.18.0.tar.gz -O git-bash.tar.gz
tar -zxf git-bash.tar.gz

cd git-2.18.0
make configure
./configure --prefix=/usr/local
##make install command will copy the built program, and its libraries and documentation, to the correct locations.
make install

git --version

git config --global user.name "Mithun Technologies"
git config --global user.email "devopstrainingblr@gmail.com"
git config --list