Creating a Domain Name System (DNS) Server The DNS server we will create is to block advertisements, trackers, and telemetry for privacy reasons. Telemetry is the meta data of what you do online. Like diagnostic data sent to vendors. For our personal data center, we will be running the Pi-Hole. It's supposed to be a
Public SSH Key in GitHub Publishing your public SSH key to GitHub can be used when you're installing a new Ubuntu Server
Data Center IONOS Data Center Designer IONOS Data Center Design is how you can create your own data center with no hardware.
How to find out your Public IP Address Your IP Address is your number on the Internet. It's similar to your home address or personal cell phone number. IPv4 is the bulk of the internet. It is comprised of four sets of numbers that range from 0 - 255. Example 1.1.1.1. IPv6 is
BlueSky Featured Personal Data Server A personal data server for the AT Protocol is a self-hosted server that securely stores and manages user data, enabling decentralized identity, content, and interactions within a federated social networking system.
Security Sender Authentication Sender Authentication is a standard that uses DNS to publicly verify your email messages.
Security Featured GPG Keys GPG / PGP Keys are the bane of forensic investigators. They are a pair of digital keys which secure your data and make your conversations private.
Linux Use Apple Shortcuts and Webhooks to Download Videos This is assuming you are using example.com as your domain and you already have DNS pointing to the server you are working on. This is also assuming you know your public IPv4 address and your IPv6 subnet. First lock down the firewall sudo ufw allow from any to any
Linux Generate SSH Keys Three steps to generate and install your own SSH keys. Never use a password to log into the Linux server again.
Linux Featured How to Install and Configure Wireguard on Ubuntu In seven steps, configure wireguard on ubuntu for your own private VPN.
Linux Using UFW to Rate Limit SSH Connections for Security ufw limit allows up to six new connections every 30 seconds. If exceeded, the source IP is temporarily banned for 30 seconds.
