Linux / UNIX keyboard.

Linux / Unix
Security, Administration, Virtualization and More

Getting Started

Linux Installation, Booting, and System Design

User and System Administration Commands

Building Kernels and Other Open-Source Software


Kerberos, LDAP, Samba, and Active Directory

Linux and Security

FreeBSD and OpenBSD

Web and Electronic Mail — Firefox, Chrome, Thunderbird, Nginx, and Apache

Devices and Multimedia

Fixing the Problems Causing Warning and Error Messages

Raspberry Pi


CyanogenMod on Samsung Galaxy Smart Phones

Other Varied Linux/Unix Topics

An especially useless Windows error message
Stupid Microsoft useless warning.

Windows, if we must