Mega thread of DevOps tools on RHEL

Create RHEL VM in Azure using Terraform 

https://github.com/boorla99/CTC-AKS/tree/dev_rhel

Install docker

• sudo yum install -y yum-utils
• sudo yum install -y yum-utils device-mapper-persistent-data lvm2
• sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
• sudo yum install docker-ce
•  sudo systemctl enable docker.service
• sudo systemctl start docker.service
• sudo systemctl status docker.service
• IP a list docker0
• sudo chmod 666 /var/run/docker.sock
• docker run hello-world

Install git 

yum update -y && yum install git -y

install docker compose 

sudo curl -L "https://github.com/docker/compose/releases/download/1.23.2/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose

sudo chmod +x /usr/local/bin/docker-compose

To remove all docker images :

docker images | awk '{print $3}' | xargs docker rmi -f

when connecting from outside of VPC make sure HTTP and custom TCP ports are open ( as shown below)

in real-time your administrator restricts this range with company CIDR

install Jenkins on RHEL:

chronological order

• sudo wget -O /etc/yum.repos.d/jenkins.repo http://pkg.jenkins.io/redhat-stable/jenkins.repo
• sudo rpm --import http://pkg.jenkins.io/redhat-stable/jenkins.io.key
• sudo yum install jenkins java-1.8.0-openjdk –y
• sudo systemctl start jenkins
• sudo systemctl enable jenkins
• sudo systemctl status jenkins
• firewall-cmd --zone=public --add-port=8080/tcp --permanent
• firewall-cmd --zone=public --add-service=http --permanent
• firewall-cmd --reload

Install Sonarqube on RHEL:

• wget https://binaries.sonarsource.com/Distribution/sonarqube/sonarqube-8.9.9.56886.zip
• unzip sonarqube-8.9.9.56886.zip 
• useradd sonaradmin
• chown -R sonaradmin:sonaradmin sonarqube-8.9.9.56886

how to install PostgreSQL :

• sudo yum install -y https://download.postgresql.org/pub/repos/yum/reporpms/EL-7-x86_64/pgdg-redhat-repo-latest.noarch.rpm

sudo dnf -qy module disable postgresql

sudo dnf -y install postgresql14 postgresql14-server

sudo /usr/pgsql-14/bin/postgresql-14-setup initdb

sudo systemctl start postgresql-14

sudo systemctl status postgresql-14

sudo passwd postgres

createuser sonar

psql

ALTER USER sonar WITH ENCRYPTED password 'sonar';

CREATE DATABASE sonarqube OWNER sonar;

grant all privileges on sonarqube  to sonar;

\q

exit

netstat -tulpn

java 11 is pre-req to install sonarqube

login as root : sudo su -

yum list | grep openjdk

How to install nexus on rhel :