How to copy an SSH key to a new Linux machine
A quick guide to restoring an existing SSH key pair from a password manager onto a new Linux install, with the right file permissions.
Mark Brady's Blog:
Software Engineering and More 🚀
Welcome to my website! I write about various topics, including software engineering, cybersecurity, platform engineering, DevSecOps, Linux and self-hosting.
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Latest posts
User Enumeration in Web Applications
A short look at what user enumeration is, why it's worth preventing, and how to make user accounts harder to enumerate.
Go Spark: a Go and SQLite web app template
Introducing Go Spark, an open source Go and SQLite web app starter template with secure authentication, TOTP two-factor auth, passkeys, and Docker deployment.
How to manage PostgreSQL databases
A quick guide to managing local PostgreSQL databases for app development, including creating databases and roles, and cleaning up old ones.
Password Hashing in 2026
Exploring the evolution of password hashing from MD5 to bcrypt to Argon2, with best practices for secure modern web applications.