Notes – Use Templates And Keep It DRY

To “Use Templates And Keep It DRY” means to leverage templates or reusable structures and to avoid code duplication by implementing a principle of abstraction that promotes code efficiency and maintainability.  Here’s a breakdown of the concept: Templates: These are reusable structures, such as code snippets, document layouts, or organizational frameworks that can be used as Read More …

ASM – Attack Surface Management

Attack Surface Management (ASM) focuses on identifying, monitoring, and mitigating potential vulnerabilities and risks across an organization’s entire digital footprint, including both known and unknown assets, to reduce the potential attack surface. Here’s a more detailed explanation:  Continuous Process:  ASM is not a one-time task, but rather a continuous process of discovery, analysis, prioritization, remediation, Read More …

clean up /boot (for Ubuntu at least)

Here is a quick set of commands to clean up the /boot partition on an Ubuntu linux system. First check what your kernel version is  so you won’t delete the running kernel image: uname -r Now run this for a list of installed kernels: dpkg –list ‘linux-image*’ | grep ^ii delete the kernels you don’t Read More …

What are the advantages of FASP

The speed increases are achieved by sending larger packets than TCP, not waiting for confirmation that a packet has been received before sending the next one, and only re-sending packets that are confirmed as having been dropped. FASP (Fast and Secure Protocol), used in IBM Aspera, offers significant advantages for cloud data transfer, enabling faster, Read More …

What are Cascading Style Sheets?

CSS, short for Cascading Style Sheets, is a stylesheet language used to control the appearance and layout of web pages. Introduced by the World Wide Web Consortium (W3C) in 1996, CSS separates the content of a website (structured with HTML) from its visual presentation, allowing developers to create aesthetically pleasing and user-friendly designs. Core Concepts Read More …

BGP: The Backbone of Internet Routing and Its Security Challenges

In the vast and interconnected world of the Internet, one of the most critical protocols ensuring the flow of data is Border Gateway Protocol (BGP). BGP is the routing protocol that enables different autonomous systems to communicate and exchange routing information. Without BGP, the Internet as we know it would not be able to function, Read More …

Notes – Cost Effectiveness & Specialized Hardware

Specialized hardware can enhance cost-effectiveness in specific applications, offering optimized performance and reduced expenses when compared to general-purpose solutions, but the decision depends on the specific needs and application. Here’s a more detailed breakdown: Why Specialized Hardware Can Be Cost-Effective: Optimized Performance: Specialized hardware is designed for particular tasks, enabling them to perform those tasks Read More …

GRE Tunnels in Modern Networking

In the world of modern networking, flexibility, security, and efficiency are paramount. As the Internet continues to evolve, so do the methods by which data is transmitted across complex infrastructures. One such method is the use of Generic Routing Encapsulation (GRE) tunnels. In this article, we’ll explain what a GRE tunnel is, how it works, Read More …

What is Network Address Translation

Network Address Translation (NAT) is a method used in networking to modify the IP address information in the headers of data packets as they traverse a router. NAT allows multiple devices on a local network to share a single public IP address, facilitating efficient use of IP address space and adding a layer of security Read More …

What is a VPN?

A Virtual Private Network, commonly referred to as a VPN, is a technology that creates a secure and encrypted connection between your device and the internet. It acts as a private tunnel for your online activities, shielding them from prying eyes and potential cyber threats. Originally developed to enable secure communication within corporate networks, VPNs Read More …