One of the Ansible modules I was excited to learn about was the user module. With this module we can quickly and easily create and manage users on multiple systems. This is especially helpful for Linux devices that may not be joined to a domain and therefore require local users and passwords to be created […]
I use a Dell keyboard, model Y-U0003-DEL5 that has a string of hotkeys on the top of it. These keys for the most part are useless to me because they are primarily for web browsing (back, forward, stop, restart) and other simple tasks such as opening the email client. I wanted to use these keys […]
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 […]
IF/THEN statements CASE statements WHILE statements
Palo Alto firewalls can be very simple to use and implement, or they can be very difficult. Because there are so many possible components and areas of configuration in these firewalls, understanding the basic features can be helpful. Management vs Data Plane Most network equipment is split into 2 (or more) basic components: a management […]
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 […]
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 […]
In this example, we will be installing the Apache web server on CentOS version 7. Once installed and configured, we will then setup a sample website on the server to show how to install fully functional website, and confirm everything is working properly Installing Apache Step 1: Update the software catalog On a Linux machine, […]
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 […]
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 […]