Systems Engineer / SysAdmin Application Test

Assessment Technologies:

• Ansible
• Docker

Requirement:

1. Create a simple ansible playbook to harden an OS (Ubuntu 22.04) installation.

   • Change SSH default port
   • Disable Direct root login
   • Only allow specific users to SSH in using their SSH keys
   • UFW with default incoming deny all rule
   • Open ports only for SSH and specific range of 1000-2000 tcp only
   • Install and enable 2Gb swapfile

2. Create a docker image that runs the following project binary using Dockefile. It must be able to build locally.

https://github.com/bandprotocol/chain

Version to build: v2.5.4

Assessment Criteria

• Able to run ansible playbook to do a basic hardening of an OS.
• Able to create and customize Dockerfile to build proper docker image.