Checklists for software errors, setup, and tool workflows.

Fix 'git pull failed index.lock file exists' Error

When running git pull, you may see an error like:

fatal: Unable to create &#...

Fix Windows Update Error 0x80070002

Windows Update error 0x80070002 usually appears during an update attempt. The system may stall at...

Fix DNS Probe Finished NXDOMAIN with VPN Issues

When you see 'DNS probe finished NXDOMAIN' in your browser while a VPN is active, it mean...

How to Merge Two Git Repositories with Unrelated Histories

You have two separate Git repositories that you now want to combine into one. Perhaps you acquire...

Fix Docker 'No Space Left on Device' from Log Files

You try to start a container or pull an image and get no space left on device. Often...

Fix Cloudflare SSL Full Strict Error 526

If you see error 526 in your browser when using Cloudflare with SSL set to Full (Strict), it mean...