How to Set Up Your Own VPN on Linux
Build a private Linux VPN with a secure tunnel, server configuration, and client setup you control.
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DevOps & Cloud
Linux, cloud infrastructure, containers, networking, deployment, and reliable operations.
All learning material in DevOps & Cloud
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How to Set Up SSH for Your VPS
Secure a VPS with SSH keys, safer server settings, and a repeatable remote-access workflow.
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Free your blocked ports on Linux
Find the process holding a Linux port and stop it safely without restarting your machine.
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Improve battery life on Linux
Use TLP, Powertop, and Ubuntu power statistics to reduce energy use and understand your laptop battery health.
