How to Generate a Cloudflare Origin Certificate
If you're using Cloudflare as a reverse proxy, you may want to encrypt traffic between your s...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labFixing Nginx Upstream Connection Refused on Port 443
You see "upstream connection refused" in your Nginx error log when proxying requests to p...
Fix Git 'fatal: refusing to merge unrelated histories' on GitHub
You try to merge two branches in Git, and get fatal: refusing to merge unrelated histories<...
Fix DNS Probe Finished NXDOMAIN on Google DNS Setup
If you see "DNS probe finished NXDOMAIN" in your browser, it means your device couldn'...
Fix Windows Update Error 0x80070002 by Resetting SoftwareDistribution Folder
Windows Update error 0x80070002 often appears when the system cannot find or access the update fi...
Fix Git 'index.lock' File Exists Error in IntelliJ
If you see an error like fatal: Unable to create 'project/.git/index.lock': File ex...