Linux Networking: Configuring Network Address Translation (NAT)
NAT is a method used in networking to modify network address information in IP packet headers while they are in transit across a traffic routing device. The primary purpose of NAT is to limit the number of public IP addresses an organization or network must use, for both economy and security purposes. Types of NAT.
Hacking Made Easy: A Beginner's Guide to Penetration Testing …
Jun 13, 2024 · Penetration testing, often referred to as pen testing, is a critical practice in the field of cybersecurity. It involves simulating cyber-attacks on a system, network, or web application to identify vulnerabilities that could be exploited by malicious actors. This proactive approach allows organizations to strengthen their defenses before an ...
How to Use the VI Editor in Linux
May 11, 2022 · Launch VI Text Editor. First, you need to launch the VI editor to begin working on it. To launch the editor, open your Linux terminal and then type: vi <filename_NEW> or <filename_EXISTING>. And if you mention an existing file, VI would open it to edit. Alternatively, you’re free to create a completely new file.
How to Create a Shell Script in Linux - Linux Journal
Jul 28, 2021 · To create a shell script using the default text editor, just follow the steps given below. Step 1: Create a text file having a “.sh” extension. Then type a simple script. Step 2: Now don’t change the directory. And open the terminal. Using the command below, give executable access to the file created.
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Crafting a Custom Linux Kernel for Your Embedded Projects. In this article, we will guide you through the intricate process of building a custom Linux kernel for embedded systems. Linux Journal, representing 25+ years of publication, is the original magazine of …
System Performance Monitoring and Tuning Guide - Linux Journal
Oct 17, 2023 · Difference between Monitoring and Tuning. While they're closely related, monitoring is the act of observing and recording the state of a system, whereas tuning involves making adjustments to improve its performance. CPU Metrics: These include load averages (a measure of task demand over time), utilization (how busy the CPU is), and context ...
DIY: Build a Custom Minimal Linux Distribution from Source
Jul 3, 2018 · This is where the cross-compilation toolchain and target image will be installed and put into the lj-os subdirectory. If you prefer to install it elsewhere, make the adjustment to the code section below: $ export LJOS=~/lj-os. $ mkdir -pv ${LJOS} Finally, export some remaining variables: $ export LC_ALL=POSIX.
Linux Shell Scripting: A Pathway to Automated System Excellence
Jan 30, 2024 · Linux shell scripting is a powerful tool for automating repetitive tasks, customizing system operations, and managing complex workflows. This article aims to unravel the intricacies of shell scripting, illustrating its significance in automating system tasks across various Linux distributions. We will explore different shells, such as Bash and ...
The 8 Best SSH Clients for Linux
The above 8 SSH clients offer a wide range of features to cater to both beginners and experienced professionals. Trying out a few of them might help you find the perfect fit for your daily operations. George Whittaker is the editor of Linux Journal, and also a regular contributor. George has been writing about technology for two decades, and ...
Linux vs. Windows: What's the difference in 2022?
Windows uses data drives (C: D: E:) and folders to store files. Linux uses a tree structure beginning with the root directory to keep files organized. There can be two files in the same directory with the same name in Linux. In Windows, users cannot have two files in the same folder with the exact same name.