The Simple Synthesis of Complexity

A website of blog posts and articles about life and technology.
  • 25May

    Unix Users and Groups

    A quick reference for how to add and manage UNIX users and groups.

  • 20May

    Streaming Compression and Encryption with Tar and OpenSSL

    How to do streaming lzma compression and aes-256-cbc encryption with tar and openssl.

  • 20May


    The GNU Privacy Guard (GnuPG or GPG) is an implementation of the OpenPGP message format for encrypting and decrypting messages.

  • 19May


    mdadm is an easy-to-use software RAID utility for Linux.

  • 18May


    This is an overview of how to use iptables for Linux firewall security.