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Keep Your Network Running Smoothly: Avoid These Common Troubleshooting Pitfalls on Linux Systems!

Imagine you’re in charge of managing a Linux network and suddenly, you encounter a network issue. Your heart begins to race as you try to figure out the cause of the problem. You start to troubleshoot, making changes here and there, but suddenly, everything goes haywire! All your efforts have… Read More »Keep Your Network Running Smoothly: Avoid These Common Troubleshooting Pitfalls on Linux Systems!

Bash Scripting Cheat Sheet

Bash Basics Variables Conditionals Loops Files Miscellaneous Note: This cheat sheet is intended as a quick reference and does not cover all aspects of bash scripting. It is important to consult the manual pages or other resources for more information and guidance.

Bash Script Tutorial: Learn the Fundamentals of Variables, Redirection, and Loops

In this comprehensive tutorial, we will cover everything you need to know to get started with bash scripting. From basic commands to complex conditionals, we’ll walk you through everything you need to know to streamline your workflow and save time. Bash Basics Terminal vs Shell vs Bash: What’s the Difference?… Read More »Bash Script Tutorial: Learn the Fundamentals of Variables, Redirection, and Loops

How to Troubleshoot SSH Connection Issues & Improve SSH Security

TLDR; This blog covers common SSH issues that power-users and advanced users may encounter. It discusses troubleshooting tips for connectivity, authentication, configuration, security, and miscellaneous issues. Some of the most important topics covered include verifying the server is running and reachable, troubleshooting SSH authentication failures, checking SSH key and authorized_keys… Read More »How to Troubleshoot SSH Connection Issues & Improve SSH Security

Troubleshoot Common Network Issues with These Linux Commands

TLDR; This article provides a comprehensive guide to troubleshooting common network issues on Linux systems. It covers common issues such as connectivity problems, DNS resolution issues, firewall issues, DHCP issues, slow network speed, and VPN connectivity issues. The article provides techniques for troubleshooting, such as checking network logs and using… Read More »Troubleshoot Common Network Issues with These Linux Commands

Optimize & Debug Nested Loops for Performance

TLDR; Nested loops are a programming construct providing increased complexity and ability to process multi-dimensional data, but at expense of slow performance and difficulty in debugging. To optimize, avoid too many nested loops, use early exit conditions, and use appropriate data structures. Debugging can be done with print statements, debugger,… Read More »Optimize & Debug Nested Loops for Performance

Master Verbose Mode for More Insightful Command Line Use

TLDR; Verbose mode in the CLI can be enabled by using an appropriate command-line option (e.g. v for tar). It is useful for debugging, understanding commands, and troubleshooting scripts and automation. Verbose mode is supported by many Unix commands, package managers, and build systems. It is important to understand the… Read More »Master Verbose Mode for More Insightful Command Line Use

Take Control of Ownership and Permissions in Linux with the Chown Command

TLDR; The chown command in Linux changes the ownership of files/directories, setting who can access/modify them. The syntax is chown [OPTION]… OWNER[:[GROUP]] FILE…. The R option can recursively change ownership in a directory and v displays verbose output. Note that root privileges are needed and it should be used with… Read More »Take Control of Ownership and Permissions in Linux with the Chown Command