Guides
Practical notes on DNS, server moves and testing a site before you flip the switch. Real commands, no fluff.
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curl --resolve: Test a Site on a New Server Before DNS
Use curl --resolve and --connect-to to hit a new server by IP over HTTP and HTTPS.
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How Long Does DNS Propagation Take?
Why DNS changes take minutes to 48 hours, how TTL controls it, and how to check progress.
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How to Flush DNS on Windows, Mac, Linux & Chrome
Exact commands to clear the DNS cache on every OS and browser, and how to tell if it worked.
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Website Migration Checklist
A before/during/after checklist for moving a site to a new server without downtime.
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