Technology cheatsheet

Maven

• clean install - cleans and builds project
  • -DskipTests=true - skips tests
  • -P <profile_name> - runs with profile

GIT

Docker

• docker ps - show running containers
• docker ps -a - show all containers
• docker images - show images
• docker inspect <container_name> - show configuration and information about container (including network and IP addresses)
• docker inspect -f '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' <container_name> - show only IP address of container
• docker exec -it <container_name> /bin/bash - open console on running container
• docker system prune - clean up dangling (not associated with a container) resources (images, containers, volumes, networks)
• docker system prune -a - additionally remove any stopped containers and all unused images (not just dangling images)

Sublime

• alt + F3 - quick find all - selects all occurrences of selected part of text
• ctrl + shift + L - places cursor at the end of each selected line

Linux

• netstat or ss - list open ports
  • -n, --numeric - don't resolve service names
  • -l, --listening - display listening sockets
  • -t, --tcp - display only TCP sockets
  • -u, --udp - display only UDP sockets
  • -p, --processes - show process using socket
• sudo update-alternatives --config java - change installed java version