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How to set up SSH Certificate Authentication with Your Own CA
Learn how to set up SSH certificate authentication with your own CA to replace key distribution, improve security, and simplify management.
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Build a Root and Intermediate Certificate Authority with Easy-RSA
Step-by-step guide to building a Root CA and Intermediate CA using Easy-RSA, including issuing certificates for Microsoft 365 authentication.
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Why Build Your Own Certificate Authority
Explore the challenges of managing secure identities in your infrastructure, and why setting up your own Certificate Authority (CA) is the right solution.
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ZRAM and how I deal with the memory usage in my Linux system
Sharing my experience with ZRAM on Linux—how it helped my low-RAM laptop feel faster by using compressed swap in RAM.
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P2P - UDP Hole Punching
UDP hole punching is a technique for establishing bidirectional UDP connections between two networked devices behind NATs.