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Catalogue of Ansible playbooks and helper scripts for server management
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README.md

Ansible

Catalogue of Ansible playbooks and helper scripts for server management

Node configuration process

Setup user configuration

  • Create provisioning user without password and sudo
  • Create tanguy user with password
  • Disable root login (passwd --lock root)

SSH Setup

  • Install fail2ban
  • Disable SSH password login
  • Change SSH port

Miscellaneous

  • Test if unattended-upgrade is installed
  • Disable if true
  • Disable IPv6
  • Setup hostname

Softwares

  • Install k3s with token
  • Install OMV for NAS node*(s)

Update system

  • General package manager update

Additional configuration

  • Add label to output node on k3s to enable load balancer

Notes

Running the configuration for a node without inventory

ansible-playbook init.yml -i <ips-separated-by-commas> -u creator --private-key <path-to-ssh-key> --ask-become --extra-vars '{"hostname": "foo"}'

Running the configuration for a node with inventory

  • Add node to inventory
  • Add node to virgin group
  • Run following command
ansible-playbook init.yml -i inventory --limit virgin

Initiate the cluster from scratch

make all