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2,725 practical hosting and technology articles.

Ubuntu

Tracking Down Memory Leaks and High RAM Usage in Linux

Comprehensive guide on detecting and resolving memory leaks and high RAM usage in Linux using various tools and techniques for improved system performance.

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Linux and Commands

How to Use the curl Command in Bash

Discover how to use the curl command in Bash effectively for data transfer, API interaction, and more, with clear examples and best practices.

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Python

Python Lists, Tuples, Sets, and Dictionaries: Choosing a Collection

Compare Python collections with tested service-record examples, dictionary views, hashability rules, and shallow-copy behavior.

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Linux and Commands

Use chown on Linux with Verified Ownership and Scope

Understand chown owner and group forms, practice on synthetic files and avoid blanket web-root ownership changes or unsafe recursive traversal.

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Linux and Commands

How to Use the wget Command in Bash

Learn how to effectively use the wget command in Bash for downloading files, interacting with web pages, and automating data retrieval tasks.

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Python

Python Comments: Why and How to Use Them in Your Code

Understand the importance of Python comments, how to write them effectively, and common mistakes to enhance code clarity and collaboration.

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Python

How to Read Python Tracebacks and Fix the Underlying Error

Read Python tracebacks, follow callers, preserve exception causes and log failures correctly. Includes captured output and validation tested with -O.

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Linux and Commands

Diagnosing 100% CPU Usage on Linux Server

A detailed guide for diagnosing and troubleshooting 100% CPU usage on Linux servers, covering tools, causes, and solutions for performance improvement.

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Linux and Commands

Use chmod on Linux Without Blanket Recursive Permission Changes

Use symbolic and numeric chmod modes, practice on disposable files and understand directory search, deletion and recursive permission risks.

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Linux and Commands

How to Use the kill Command in Bash

Learn how to effectively use the kill command in Bash to manage processes, troubleshoot applications, and automate tasks with practical examples.

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Linux and Commands

How to Use the xargs Command in Bash

Learn to effectively use the xargs command in Bash for advanced data processing and command execution. Explore examples, best practices, and common mistakes.

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Python

Python range(): Start, Stop, Step and Loop Examples

Learn Python range with tested examples of start, stop and step, reverse counting, empty ranges, indexing, iterator exhaustion and input errors.

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