Author Archives: Andy Lievertz

Automating Rdiff-backup with Bash

By | 2021-Feb-26

Rdiff-backup is a robust and well-documented tool for performing reverse differential backups. It is particularly well suited for using Linux and SSH to perform incremental backups of remote Linux systems. This onezeroone.dev script automates the use of rdiff-backup to perform incremental backups of one or more remote Linux systems over SSH to a dedicated local… Read More »

Removing AppX Packages with PowerShell

By | 2021-Feb-25

Uninstalling an AppX package will remove it from the current user’s start menu and applications list, but it will continue to appear for other users unless the AppX provisioned package is also removed. This script should be run in an Administrative PowerShell. It loops through a comma-separated list of AppX package names and (a) removes… Read More »

Adding Registry Keys and Values with PowerShell

By | 2021-Feb-25

This script interrogates the registry to determine if the user-defined subkey exists. If the key does not exist, it will be created. It will then create or update values according to a user-defined array containing lists of value names, values, and types: Obtain this script by cloning or downloading from GitHub where it is licensed… Read More »

Emulating a 32-bit Raspberry Pi ARM 7 on CentOS Linux with Qemu

By | 2020-Mar-06

Overview Emulate an ARM processor on Intel using CentOS 7 and Qemu. Prerequisite Packages Qemu Cross-compilation Acquire Resources Create a working directory in your unprivileged user home directory and clone the raspbian kernel source: Also get the Raspbian toolchain: Download a current version of Raspbian from downloads.raspberrypi.org and unpack. This example uses Raspbian Lite 2020-02-14:… Read More »

Windows Desktop Virtualization with Mint 18 and KVM

By | 2016-Feb-21

The linux kernel includes a capable hybrid Type I/II Hypervisor referred to as the Kernel Virtualization Modules (KVM) which forms the basis for enterprise-class virtualization solutions such as Red Hat Enterprise Virtualization. While it may lack some of the features of other commercial and non-commercial solutions like VMWare, Hyper-V or Virtualbox, KVM offers support for a plethora… Read More »

OpenSSL Self-Signed Certificates

By | 2014-Jun-15

Whether you are deploying, evaluating, testing, and/or developing a web-based application; experimenting with Apache configuration; learning about web-based security technologies; or any of many other possible scenarios, you may find yourself needing to secure a web site with a TLS certificate (commonly referred to as an SSL certificate). Securing a web server with TLS is… Read More »