Jenkins Cluster with Windows & Linux Worker

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1. Start the Jenkins Master VM and access the the URL

   http://jenkins-cluster-mx.southeastasia.azure.com:8080/

2. Create a remote ssh session (Use PuTTY or Ubuntu Bash or Git Bash) And enter following command to get the initial password.

   $ sudo cat /var/lib/jenkins/secret/initialAdminPassword
   

3. Copy the content of file displayed by cat command. And paste this password in jenkins web-page. Click continue button and then use Install Suggested Plugins

4. After Plugin Installation, it should then ask for New User creation. Create a new user (Admin) for regular login into jenkins dashboard.

5. After User creation, continue to dashboard.

6. Now, SSH into Master node to generate new SSH-Key Pair and copy it to node-1

   # Become ROOT user
   $ sudo -i
   # Become jenkins user
   $ su - jenkins
   ## No password prompt
   # Generate SSH Key Pair
   $ ssh-keygen
   # PRESS ENTER at ALL PROMPTS
   # Now, Copy SSH key
   $ ssh-copy-id jenkins@10.0.1.11
   Enter Password: pass@12345
   Add to Known Server: Yes
   ## Now, test it..
   $ ssh -i .ssh/id_rsa jenkins@10.0.1.11
   ## check if allowed to access node-1
   ## Exit from node-1
   $ exit
   # Print Private key on screen
   $ cat .ssh/id_rsa.pub
   # Copy the content of
   ## exit SSH Connection
   $ exit
   

7. Now, You need to register 'node-1' with private-ip 10.0.1.11 as jenkins slave instance.

   Manage Jenkins > Manage Nodes & Cloud > New Node

   Name: Node-1
   Usage: Use this node as much as possible
   # Of executors: 2
   Remote Root directory: /home/jenkins
   Launch Method: Launch slave agent via SSH
   Host: 10.0.1.11
   Credentials: <CHOOSE SSH KeyPair Credentials>
   

Tags: Microsoft.Storage/storageAccounts, Microsoft.Network/publicIPAddresses, Microsoft.Network/networkSecurityGroups, Microsoft.Network/virtualNetworks, Microsoft.Network/networkInterfaces, Microsoft.Compute/virtualMachines, Microsoft.Compute/virtualMachines/extensions, CustomScript, CustomScriptExtension