Archive
Tag: Security
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Post-Quantum SSH on Ubuntu 26.04: What It Means in Practice
Ubuntu 26.04 LTS makes hybrid post-quantum SSH key exchange available by default. Here is what that really means, what it does not mean, and how to validate it… Read the guide
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Ubuntu 26.04 LTS Security Changes That Actually Matter
Canonical’s April 10, 2026 security update for Ubuntu 26.04 LTS outlined the changes that really matter: memory-safe replacements, post-quantum-aware SSH, lower-privilege identity services and tougher defaults. Read the guide
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Linux SSH Hardening Checklist for Small Servers and Home Labs
A Linux SSH hardening checklist that focuses on the controls which actually improve security on small servers and home labs. Read the guide
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How to Install and Use ShellCheck for Safer Bash Scripts in 2026
Bash is still everywhere in 2026. It glues together deployment steps, bootstraps cloud instances, runs CI jobs, rotates logs, patches servers, and cleans up after everything else. That… Read the guide
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How to Use .cursorrules for Secure AI Coding
For IT Managers and DevSecOps engineers, the promise of AI coding assistants often clashes with the reality of security compliance. While tools like Cursor accelerate development, they frequently… Read the guide
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How to Secure Grafana with a Self-Signed SSL Certificate
Grafana is a powerful tool for data visualization. However, if you run it over a standard HTTP connection, your login credentials, API keys, and visualized data are sent… Read the guide
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How to Install and Configure the SecurID Agent for SSH on Linux
This guide provides a step-by-step procedure for protecting SSH access on a modern Linux server with SecurID multi-factor authentication (MFA). A lot has changed since I wrote the… Read the guide
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How to Create a Self-Signed SSL Certificate on Ubuntu
Encrypting traffic is no longer optional for modern web development. Even for internal tools or testing environments, using HTTPS ensures that data moving between a browser and a… Read the guide
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Improve Your Online Security with NordVPN and Secure Your Digital Life
Securing your communications has never been more important and safeguarding your online presence has become essential. That’s why we’ve partnered with Nord Security to bring you exclusive offers… Read the guide
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Secure Your Linux Login: Easy Google Authentication MFA Setup
If you have a VPS server that is sat on the Internet, it’s vital to secure access to that server by using a secure username, password, and MFA.… Read the guide
