Practice_Cloud

Appendix

• Generate key and SSH from one VM to another VM
• Docker Commands
• Nginx Commands
• Jenkins Setup
• Terraform Commands
• Kubernetes Commands

ssh

• create a public and private ssh-keys in local host

  ssh-keygen -t rsa

• copy the public-key to remote host for authentication

  ssh-copy-id user@ip

• ssh into a VM

  ssh user@ip

Jenkins Setup

 #!/bin/bash
          sudo apt install openjdk-11-jdk -y
          export JAVA_HOME=/usr/lib/jvm/openjdk-11
          export PATH=$PATH:$JAVA_HOME/bin
          echo "export JAVA_HOME=/usr/lib/jvm/openjdk-11" | sudo tee --append /etc/profile
          echo "export PATH=\$PATH:\$JAVA_HOME/bin" | sudo tee --append /etc/profile
          curl -fsSL https://pkg.jenkins.io/debian/jenkins.io.key | sudo tee /usr/share/keyrings/jenkins-keyring.asc > /dev/null
          echo deb [signed-by=/usr/share/keyrings/jenkins-keyring.asc] https://pkg.jenkins.io/debian binary/ | sudo tee  /etc/apt/sources.list.d/jenkins.list > /dev/null
          sudo apt-get update -y
          sudo apt-get install jenkins -y
          sudo systemctl start jenkins.service
          sudo ufw allow 8080
          sudo ufw allow OpenSSH
          sudo ufw --force enable