Linux

Installing WordPress on Ubuntu 19.04

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Install LAMP Stack To begin installation of the LAMP stack (Linux, Apache, MariaDB, PHP) we update the apt catalog. Then we select the packages to install. NOTE: We are also including the git package now so we can use it later. Once the packages are installed, we start them and configure them to auto-start at […]

Networking

Setting up firewall rules for Microsoft Exchange

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In this scenario we will be setting up a simple Microsoft Exchange mail server to be accessed by the internet. We will assume all Exchange services are on the same host, and all clients are on the internet. To begin, we start by looking at the available documentation. A brief internet search turns up https://docs.microsoft.com/en-us/exchange/plan-and-deploy/deployment-ref/network-ports?view=exchserver-2019 […]

Linux

Configure a static IP address in CentOS 7

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To view the IP address on a Linux machine, we can use either of the following commands from a terminal. NOTE: The first command is deprecated and should not be used if possible. ifconfigip a Option 1: Edit configuration files The first option is to edit the files under /etc/sysconfig/network-scripts. These files exist for each […]

Networking

Standard Access Lists

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In these standard access list activities we walk through how firewalls evaluate traffic and the 5 tuples used to permit or deny traffic. We then walk through an example activity using packet tracer. Second activity using Standard Access Lists. This walks through evaluating our firewall requirements, viewing the flow of data, and identifying the rules […]

Networking

Palo Alto Initial Configuration

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Palo Alto Initial Configuration

In this video we walk through the initial power on and configuration of a Palo Alto firewall. We configure the management interface from the command line and then connect to the web interface. Inside the web interface, we review how to change the IP, gateway, and DNS settings. Palo Alto Command Line Interface (CLI) Default […]

Networking

Introduction to Firewalls

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An introduction to firewalls, what they are for, and how they work. We include an overview of the 5-Tuples used in firewalls and how they are evaluated by a network device. Finally, we walk through setting up a simplified firewall rule using Standard Access Lists.

DIY

Shower Curtain Painting

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In this video I take a custom printed shower curtain from Amazon and build it into a large custom printed painting. Total cost: $40This project is based on a Reddit post by user u/power-cube at https://www.reddit.com/r/DIY/comments/bld588/2500_for_a_6_wall_print_screw_that_i_did_it_for Shower Curtain – https://amzn.to/31kUUlWStaple Gun – https://amzn.to/2MIbWX6