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

SSH Permission Denied (Publickey) on EC2: Setup Fixes

If you're seeing "Permission denied (publickey)" when trying to SSH into an AWS EC2 instance, the...

Fix CMD Service Unavailable Due to Group Policy

Situation

You open Command Prompt and see an error like "Command Prompt has been disabled...

OneDrive Sync Reset Settings for Multiple Users

When OneDrive sync gets stuck or misbehaves on several machines in an organization, resetting syn...

How to Change Docker Compose Port Mapping to Resolve Conflicts

You're starting your Docker Compose services and see an error like port is already allocate...