docker-cheatsheet

• docker ps: List all running containers along with details like ports, container ID, image name, etc.
• docker-compose up -d [image name]: Run a service as a daemon in the background.
• docker-compose stop [image name]: Stop a service.
• docker-compose rm [image_name]: Remove a service.
• docker build -t tagName .: Create a Docker image with a specified tag name based on the current directory (where a Dockerfile is located).
• docker build --no-cache -t tagName .- creating an image with no cache.
• docker images: List all your Docker images.
• docker inspect service_ID or service_name: For checking the current deployed dir on application.
• docker exec -it service_name bash - executing services inside docker.(Like postgres, kafka etc), dir should be same as docker-compose.yml
• docker images - seeing all images
• -d running services in demon mode
• docker rmi image_name/image_id - Removing a docker image

To get Kafka UI in your server:

• docker run -d --network=ones-network -p 8090:8080 -e DYNAMIC_CONFIG_ENABLED=true provectuslabs/kafka-ui: Run a Kafka UI container in daemon mode with network settings, port mapping, and environment variables.

For Logs

Here are your additional Docker log commands presented in markdown format:

• docker logs [container_id]: Show logs of your application up to the last breakpoint.
• docker logs [container_id] --follow: Show logs of your service continuously; it will not terminate until you manually interrupt it using Ctrl + C.
• docker logs [container_id] --tail=N: Show the last N logs from the container's log output.

Other Useful commands

• lsof -i:<port_number> , check any operations are running on the port.
• kill <pid>, killing a process/operation

PM2 for running React Frontend

• npm install -g pm2
• pm2 start npm -- start -- --port 9111
• pm2 list
• pm2 stop <app_name_or_id>

TMUX (running process as session in Background)

• tmux list-sessions (for listing all active sessions)
• tmux kill-session -t my_session_name (Deleting an active session)
• tmux new-session -d -s COMMAND (For creating and running session in detach mode)

Nano

• nano filename - Open file in edit mode.
• CTRL + O - it will writeout the file.
• enter - Save it
• CTRL + X - exit from nano editor.

Kafka Commands

• bin/kafka-server-start.sh config/server.properties - starting zookeeper.
• bin/kafka-server-start.sh config/server.properties - starting kafka-server.
• bin/kafka-topics.sh --list --bootstrap-server localhost:9092 - List of kafka-topics.
• bin/kafka-topics.sh --create --topic test-topic --bootstrap-server localhost:9092 --replication-factor 1 --partitions 1 - Creating a kafka-topic.
• bin/kafka-topics.sh --delete --topic your-topic --bootstrap-server localhost:9092 - Deleting a topic.
• bin/kafka-console-consumer.sh --bootstrap-server localhost:9092 --topic your-topic --from-beginning - Consuming data from a topic.

Other commands

• mv old_name new_name - renaming a file in ubuntu, macOS.
• unzip - extracting a compres file.
• ssh -N -L 2222:localhost:80 user@ip - ssh tunnel from remote to local
• ssh -N -R 5432:localhost:5432 user@ip - ssh tunnel from local to remote