Networking
In this post: we will learn the ins and outs of Cisco IOS XE–supported dynamic routing protocols, with a special spotlight on OSPF configuration, optimization, and verification. Dynamic routing protocols is designed to help networks intelligently manage and propagate routes. These protocols automate route discovery, reduce manual configuration, and
Networking
Properly managing your Cisco router configurations is critical for maintaining a secure and reliable network environment. This guide covers the essential commands to view, save, and back up configurations—both locally and externally—as well as advanced features like configuration archiving and rollback using Cisco IOS XE. Viewing Cisco Configuration
Networking
Understanding the different command-line interface (CLI) modes on Cisco routers and switches is crucial for network administrators and IT professionals. This comprehensive guide walks you through the essential Cisco router modes, how to access them, and what each mode is used for. Whether you're preparing for your Cisco
Networking
Wireshark is a powerful open-source packet analyzer used to capture and inspect network traffic. But with large volumes of data, analysis can get overwhelming. This guide highlights essential Wireshark filters to help you troubleshoot faster, improve productivity, and better understand network behavior. Here's Top Wireshark Display Filters You
Ubuntu
By default, Ubuntu uses Netplan to manage network configurations. Follow these steps to manually configure a static IP address. Step 1: Check Available Network Interfaces Before modifying the configuration, determine your network interface name. Open the terminal and run: ifconfig -a If ifconfig is not installed, use: ip a Look
Programing
Filesystem Requirements Before installing Ollama, make sure your system meets the following requirements: * No Administrator Privileges Needed: Ollama installs in your home directory by default. * Storage Space: * 4GB for the Ollama binary install. * Additional tens to hundreds of GBs for storing large language models. By default, Ollama is installed in
aws
Amazon EC2 instances are usually accessed using SSH—it’s straightforward and familiar. But what if SSH isn’t an option? Maybe you lost your SSH key (it happens), or some overzealous firewall settings closed off SSH ports. Whatever the reason, being locked out of your instance isn’t fun.
Nginx
This guide will show you how to set up Nginx as a reverse proxy using Docker Compose. The reverse proxy will route incoming requests for specific domain names to corresponding internal IP addresses and ports. Prerequisites: Before starting, ensure the following conditions are met: 1. Docker and Docker Compose are
Uptime Kuma
Uptime Kuma is an easy-to-use self-hosted monitoring tool and a powerful monitoring tool that offers a simple, visually appealing, and efficient solution for monitoring various services, such as websites, servers, or even local computers. It also has the extensive notification features, allows you to send alerts to platforms such as
Networking
WHAT IS REVERSE PROXY? A reverse proxy is a Server that sits between Client Devices and Backend Servers. It takes client requests and forwards them to the right server in the background. HOW DOES IT WORK? Let’s start with this: you’re on your computer and want to see
Linux
In this guide, I will walk through setting up SSH and XRDP on Kali Linux to allow for secure remote access from another machine. I'll cover updating your system, ensuring SSH service is running, installing and configuring XRDP for graphical remote access, and enabling access for Windows users.
Networking
Step 1: Generate an App Password in Google 1. Go to Google Account Security Settings (https://security.google.com/settings/security/apppasswords). 2. Type in pfSense (or your prefer name) as the custom name. 3. Click on Create. 4. Copy the generated app password. You will need this later in