# Sysadmin

- I manage **FreeBSD**- and **Debian**-based systems.

- All of my websites are hosted using **Nginx**.

  - All of them are secured with TLS using **Let's Encrypt** certificates
    managed with **certbot**.

- I self-host my email server with **Postfix** and **Dovecot**. I do not
  trust anyone but myself with email hosting as too many websites rely on
  them for password resets.

- All of my servers are connected with each other with **OpenVPN**. This
  adds an extra layer of security and makes it safe to transmit data without
  additional encryption (e.g. `zfs send tank | nc 172.16.1.42 1337`).

- All of my work on Github and other git hosting services is mirrored to a
  personal **Gitea** server. Some of the tools I created are also exclusively
  available on my instance.

- All data is stored on **ZFS**, which makes it trivial to backup, mirror
  and encrypt data. It also ensures data will never become corrupt.

- I host some other services too, such as an **Yggdrasil** node.