ssh

• Add ssh key to remote server
• Enable public key authentication

linux

• Back to previous directory
• Which process is listening on port?
• Re-run last command with sudo
• Trace DNS resolution

macos

• Clear DNS cache
• Copy to clipboard

git

• Debug git ssh problems
• Revert commit

docker

• Expose docker container port to host system

react

• Portal
• usePrevious

aws

• Update s3 metadata