Knowledge base for software setup, errors, and daily tool work.

Fix PostgreSQL Connection Refused from Docker Container

You have a Docker container that needs to connect to a PostgreSQL database. The container starts,...

GitLab Runner Stuck Pending After Upgrade: Fixes

After upgrading GitLab Runner, you may see jobs stuck in pending state. This usually happens beca...

Fix Outlook Proxy Error After Windows Update

After a Windows update, some users see a proxy error in Outlook—something like “Cannot connect to...

Fix Chrome Profile Connection Timeout Error

You open Chrome and see a message saying the profile connection timed out. This usually means Chr...

Outlook Settings Reset Not Working: Practical Fixes

UFW Allow Port Range Not Opening: Fixes and Checks

If you've added a UFW rule to allow a range of ports but connections are still being blocked, the...