TecAdmin
How to guide for System Administrator's and Developers
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Latest posts
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How to Find the Missing Side of a Right Triangle
In a right-angled triangle, knowing any two sides is enough to work out the third. But the method changes depending… The post How to Find the Missing Side of a Right Triangle appeared first on TecAdmin .
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How to Find the Hypotenuse of a Right Triangle
The hypotenuse is the longest side of a right-angled triangle, sitting directly opposite the 90° corner. If you know the… The post How to Find the Hypotenuse of a Right Triangle appeared first on TecAdmin .
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What is the Converse of Pythagoras Theorem?
The Pythagoras Theorem starts with a right-angled triangle and tells you about its sides. The converse of Pythagoras Theorem works… The post What is the Converse of Pythagoras Theorem? appeared first on TecAdmin .
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What are Pythagorean Triples? 3-4-5, 5-12-13 Explained
You already know the Pythagoras Theorem says a² + b² = c². But sometimes the three sides come out as… The post What are Pythagorean Triples? 3-4-5, 5-12-13 Explained appeared first on TecAdmin .
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How to Install PHP 8.5 on Ubuntu 26.04 LTS
PHP 8.5 is the newest major release of the PHP language, published by the PHP development team in November 2025.… The post How to Install PHP 8.5 on Ubuntu 26.04 LTS appeared first on TecAdmin .
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How to Install Zabbix Agent on Ubuntu 26.04
Zabbix is a powerful open-source monitoring tool that helps you keep track of your servers, networks, and applications. Once you… The post How to Install Zabbix Agent on Ubuntu 26.04 appeared first on TecAdmin .
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How to Install Docker on Ubuntu 26.04
Docker allows you to run applications in lightweight, portable containers. Installing Docker on Ubuntu 26.04 (“Resolute Raccoon”) is straightforward when… The post How to Install Docker on Ubuntu 26.04 appeared first on TecAdmin .
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Step-by-Step Guide to Upgrade Ubuntu 24.04 to Ubuntu 26.04 LTS
Ubuntu 26.04 LTS (codenamed Resolute Raccoon) was released on April 23, 2026. It brings major updates including Linux kernel 7.0,… The post Step-by-Step Guide to Upgrade Ubuntu 24.04 to Ubuntu 26.04 LTS appeared first on TecAdmin .
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Terraform + AI: 5 Futuristic Ways to Supercharge Your IaC in 2026
Terraform continues to dominate the Infrastructure as Code (IaC) landscape in 2026. However, writing, reviewing, and maintaining large Terraform codebases… The post Terraform + AI: 5 Futuristic Ways to Supercharge Your IaC in 2026 appeared first on TecAdmin .
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10 Must-Have DevSecOps Tools for Secure Cloud Infrastructure in 2026
DevSecOps is no longer optional — it’s essential for organizations that want to ship code faster without compromising security. By… The post 10 Must-Have DevSecOps Tools for Secure Cloud Infrastructure in 2026 appeared first on TecAdmin .