50 Most-Used Docker Commands

09/06/2026 by Luis

🐳 50 Most-Used Docker Commands with Interactive Emulator

Docker helps you build, share, and run applications in containers. This WordPress-ready guide combines a practical command table, an emulator, guided challenges, a visual canvas, and Dockerfile + Docker Compose practice without connecting to a real Docker daemon.

Learning note: emulator output is simulated for training. Real output can vary by Docker Engine version, operating system, image tags, local resources, Docker Desktop settings, registry permissions, and compose.yaml content.

🚀 Responsive Docker Emulator

Type a command, choose a suggestion, or click “Use in Emulator” from the table. The emulator shows simulated output, guided feedback, and visual movement across images, containers, volumes, networks, Dockerfile, and Compose services.

Challenge: run docker version to start your Docker session.

DOCKER WORKSPACE

Pack

RESOURCE SCOPE 0

docker-runbook.md0/13

Docker CLI

FREE challenges are available now. LITE, PRO, and PRO Plus will be available soon with more guided labs and deeper scoring.

Expected runbook commandsdocker version

Run the next command to receive guided feedback.

Dockerfile used in this challenge

This challenge focuses on Docker CLI operations. Dockerfile and Compose examples appear in the last three FREE challenges.

compose.yaml used in this challenge

compose.yaml: This challenge focuses on Docker CLI operations. Dockerfile and Compose examples appear in the last three FREE challenges.

How Docker Compose uses it: This challenge focuses on Docker CLI operations. Dockerfile and Compose examples appear in the last three FREE challenges.

Docker Visual CanvasNo changes yet: run a command to move simulated Docker resources.

What is happening?Run a Docker command to see the emulator explain how images, containers, volumes, networks, Dockerfile, and Compose change.

WORKSPACE OUTPUTwaiting

$ Waiting for a Docker command...
Run a command to see simulated Docker output here.

$ Docker Emulator Ready
Tip: choose a command from the table and click "Use in Emulator".

On small screens, the table automatically becomes cards so content is not cut off.

#	Command / Parameter	Description	Example
1	`docker version`	Show Docker client and server version information.	`docker version`
2	`docker info`	Display system-wide Docker information.	`docker info`
3	`docker login`	Authenticate to a container registry.	`docker login`
4	`docker logout`	Log out from a container registry.	`docker logout`
5	`docker search`	Search Docker Hub for images.	`docker search nginx`
6	`docker pull`	Download an image from a registry.	`docker pull nginx:latest`
7	`docker images`	List local images.	`docker images`
8	`docker image inspect`	Inspect image metadata.	`docker image inspect nginx:latest`
9	`docker image history`	Show the layer history of an image.	`docker image history nginx:latest`
10	`docker tag`	Create a new tag for an image.	`docker tag nginx:latest local-nginx:v1`
11	`docker build`	Build an image from a Dockerfile.	`docker build -t demo-app:1.0 .`
12	`docker build --no-cache`	Build an image without using cache.	`docker build --no-cache -t demo-app:clean .`
13	`docker run`	Create and run a container from an image.	`docker run hello-world`
14	`docker run -d`	Run a container in detached mode.	`docker run -d --name web -p 8080:80 nginx:latest`
15	`docker ps`	List running containers.	`docker ps`
16	`docker ps -a`	List all containers, including stopped ones.	`docker ps -a`
17	`docker logs`	Show container logs.	`docker logs web`
18	`docker logs -f`	Follow container logs in real time.	`docker logs -f web`
19	`docker exec`	Run a command inside a running container.	`docker exec -it web sh`
20	`docker stop`	Stop a running container.	`docker stop web`
21	`docker start`	Start a stopped container.	`docker start web`
22	`docker restart`	Restart a container.	`docker restart web`
23	`docker rm`	Remove a stopped container.	`docker rm web`
24	`docker rmi`	Remove a local image.	`docker rmi local-nginx:v1`
25	`docker container prune`	Remove stopped containers.	`docker container prune -f`
26	`docker image prune -a`	Remove unused images.	`docker image prune -a -f`
27	`docker volume create`	Create a named volume.	`docker volume create app-data`
28	`docker volume ls`	List Docker volumes.	`docker volume ls`
29	`docker volume inspect`	Inspect a volume.	`docker volume inspect app-data`
30	`docker volume rm`	Remove a Docker volume.	`docker volume rm app-data`
31	`docker network create`	Create a Docker network.	`docker network create app-net`
32	`docker network ls`	List Docker networks.	`docker network ls`
33	`docker network inspect`	Inspect a Docker network.	`docker network inspect app-net`
34	`docker network connect`	Connect a container to a network.	`docker network connect app-net web`
35	`docker network rm`	Remove a Docker network.	`docker network rm app-net`
36	`docker cp`	Copy files between host and container.	`docker cp index.html web:/usr/share/nginx/html/index.html`
37	`docker stats`	Show live resource usage statistics.	`docker stats --no-stream`
38	`docker top`	Display running processes inside a container.	`docker top web`
39	`docker inspect`	Return low-level Docker object information.	`docker inspect web`
40	`docker events`	Monitor Docker daemon events.	`docker events --since 10m`
41	`docker compose version`	Show Docker Compose version.	`docker compose version`
42	`docker compose up`	Create and start services from compose.yaml.	`docker compose up -d`
43	`docker compose ps`	List containers managed by Compose.	`docker compose ps`
44	`docker compose logs`	Show service logs from Compose.	`docker compose logs -f`
45	`docker compose exec`	Run a command inside a Compose service container.	`docker compose exec web sh`
46	`docker compose restart`	Restart Compose services.	`docker compose restart`
47	`docker compose down`	Stop and remove Compose containers and networks.	`docker compose down`
48	`docker compose down -v`	Stop Compose services and remove named volumes too.	`docker compose down -v`
49	`docker compose build`	Build or rebuild Compose services.	`docker compose build --no-cache`
50	`docker compose pull`	Pull service images defined in compose.yaml.	`docker compose pull`

🧠 Conclusion

This Docker emulator is ready. The FREE pack contains the active challenges now, while LITE, PRO, and PRO Plus are visible as upcoming expansion tiers for deeper labs, scoring, downloadable runbooks, and advanced Docker Compose scenarios.

Linux: 50 Essential Commands You Should Know

09/06/202604/06/2026 by Luis

LINUX CLI LAB

Linux: 50 Essential Commands You Should Know

Linux is one of the most widely used operating systems in servers, programming, cloud, DevOps, and system administration. This guide combines a practical table with an interactive emulator to practice commands, reinforce concepts, and visualize simulated changes without touching a real server.

Learning note: the emulator output is simulated for practice, training, and onboarding. On a real system it may vary by distribution, permissions, installed packages, and configuration.

Interactive Linux CLI Emulator

Type a command, use the table, or run a guided challenge. The emulator will show simulated output, feedback and visual changes in the Linux system.

Challenge: run pwd to check the current path.

linux-runbook.md 0/10

Linux CLI

Run the next command to receive guided feedback.

Expected runbook commands pwd

Run the next command to receive guided feedback.

Linux system visualizer Environment ready: no changes yet.

WORKSPACE OUTPUT waiting

$ Linux emulator ready
Choose a command from the table or type one in the console.

$ Linux emulator ready
Choose a command from the table or type one in the console.

On small screens, the table adapts into cards to avoid content cutoffs.

#	Command	Description	Example	Actions

Conclusion

These 50 Linux commands cover navigation, files, permissions, processes, networking, packages, and day-to-day operations. Practicing them in a simulated environment lets you learn safely before working on real infrastructure.

AWS CLI: 50 Most-Used Commands and Parameters

24/06/202602/06/2026 by Luis

FREE activePremium look & feelResponsiveAWS CLI

AWS CLI: 50 essential commands with FREE cloud emulator

Practice AWS safely with guided challenges, textual output and a visual architecture canvas.

This lab does not create real resources. Commands are prepared for learning and use placeholders such as <VPC_ID>, <INSTANCE_ID> or <ACCOUNT_ID>.

Activa JavaScript para usar el emulador multicloud de Weisewelt.

List of 50 AWS commands to copy and execute

Use Copy to send the command to the clipboard. Use Load to try placing it in the emulator input or trigger the plugin event.

#	Area	Command	What is it for?	Canvas / output
1	Basics	`aws --version`	Checks the installed AWS CLI v2 version.	Shows the CLI, version and local runtime.
2	Basics	`aws configure list`	Lists the active credentials, region and profile configuration.	Identifies profile, region and credential source without exposing secrets.
3	Basics	`aws configure get region`	Gets the default configured region.	Places the regional context where lab resources will be simulated.
4	Identity	`aws sts get-caller-identity`	Validates the active AWS identity: account, user or role.	Draws the active account, ARN, profile and simulated permissions.
5	Regions	`aws ec2 describe-regions --all-regions --query "Regions[].RegionName" --output table`	Lists available EC2 regions.	Shows the region selector and highlights the lab region.
6	VPC Network	`aws ec2 create-vpc --cidr-block 10.10.0.0/16 --tag-specifications 'ResourceType=vpc,Tags=[{Key=Name,Value=ww-aws-vpc}]'`	Creates the base VPC for the lab.	Adds the network layer with CIDR 10.10.0.0/16.
7	Tags	`aws ec2 create-tags --resources <VPC_ID> --tags Key=Project,Value=Weisewelt Key=Environment,Value=FreeLab`	Adds project and environment tags to the VPC.	Updates the visual inventory with governance metadata.
8	VPC Network	`aws ec2 describe-vpcs --filters "Name=tag:Name,Values=ww-aws-vpc"`	Queries the VPC created by name.	Highlights the discovered VPC and shows a simulated VPC ID.
9	Public subnet	`aws ec2 create-subnet --vpc-id <VPC_ID> --cidr-block 10.10.1.0/24 --availability-zone us-east-1a --tag-specifications 'ResourceType=subnet,Tags=[{Key=Name,Value=ww-public-a},{Key=Visibility,Value=public}]'`	Creates a public subnet in one Availability Zone.	Draws a public zone with CIDR, AZ and pending Internet route.
10	Private subnet	`aws ec2 create-subnet --vpc-id <VPC_ID> --cidr-block 10.10.11.0/24 --availability-zone us-east-1a --tag-specifications 'ResourceType=subnet,Tags=[{Key=Name,Value=ww-private-a},{Key=Visibility,Value=private}]'`	Creates a private subnet for databases or internal nodes.	Draws a private zone without public IP or direct Internet route.
11	Internet Gateway	`aws ec2 create-internet-gateway --tag-specifications 'ResourceType=internet-gateway,Tags=[{Key=Name,Value=ww-igw}]'`	Creates an Internet Gateway for public connectivity.	Adds the IGW component outside the VPC.
12	Internet Gateway	`aws ec2 attach-internet-gateway --internet-gateway-id <IGW_ID> --vpc-id <VPC_ID>`	Attaches the Internet Gateway to the VPC.	Connects the VPC visually to the Internet.
13	Routes	`aws ec2 create-route-table --vpc-id <VPC_ID> --tag-specifications 'ResourceType=route-table,Tags=[{Key=Name,Value=ww-public-rt}]'`	Creates a public route table.	Adds a route table associated with the public zone.
14	Routes	`aws ec2 create-route --route-table-id <ROUTE_TABLE_ID> --destination-cidr-block 0.0.0.0/0 --gateway-id <IGW_ID>`	Adds the default route to the Internet Gateway.	Marks the public subnet route 0.0.0.0/0 through the IGW.
15	Routes	`aws ec2 associate-route-table --subnet-id <PUBLIC_SUBNET_ID> --route-table-id <ROUTE_TABLE_ID>`	Associates the route table with the public subnet.	Activates public connectivity for that subnet.
16	Security	`aws ec2 create-security-group --group-name ww-web-sg --description "Web access for Weisewelt lab" --vpc-id <VPC_ID>`	Creates a Security Group for web instances.	Draws the logical inbound/outbound firewall.
17	Security	`aws ec2 authorize-security-group-ingress --group-id <SG_ID> --protocol tcp --port 22 --cidr 203.0.113.10/32`	Allows SSH only from a controlled example IP.	Shows a restrictive administration rule.
18	Security	`aws ec2 authorize-security-group-ingress --group-id <SG_ID> --protocol tcp --port 80 --cidr 0.0.0.0/0`	Allows public HTTP traffic.	Opens port 80 on the canvas with a public exposure warning.
19	Security	`aws ec2 authorize-security-group-ingress --group-id <SG_ID> --protocol tcp --port 443 --cidr 0.0.0.0/0`	Allows public HTTPS traffic.	Opens port 443 and marks secure web access.
20	Security	`aws ec2 describe-security-groups --group-ids <SG_ID> --output table`	Displays Security Group rules.	Displays inbound/outbound rules in the security inventory.
21	EC2	`aws ec2 create-key-pair --key-name ww-key --query 'KeyMaterial' --output text > ww-key.pem`	Creates a key pair for EC2 access.	Adds access credentials and warns about secure storage.
22	EC2	`aws ec2 run-instances --image-id ami-0123456789abcdef0 --count 1 --instance-type t3.micro --key-name ww-key --security-group-ids <SG_ID> --subnet-id <PUBLIC_SUBNET_ID> --associate-public-ip-address --tag-specifications 'ResourceType=instance,Tags=[{Key=Name,Value=ww-web-01}]'`	Launches one EC2 instance in the public subnet.	Draws a web server with simulated private and public IPs.
23	EC2	`aws ec2 describe-instances --filters "Name=tag:Name,Values=ww-web-01" --query "Reservations[].Instances[].{Id:InstanceId,State:State.Name,PrivateIP:PrivateIpAddress,PublicIP:PublicIpAddress}" --output table`	Displays instance status and IP addresses.	Updates running/stopped state and public/private IPs.
24	EC2	`aws ec2 describe-instance-status --instance-ids <INSTANCE_ID> --include-all-instances`	Checks system and instance health.	Displays health checks in the monitoring layer.
25	Elastic IP	`aws ec2 allocate-address --domain vpc`	Allocates an Elastic IP for the VPC.	Adds a fixed public IP to the inventory.
26	Elastic IP	`aws ec2 associate-address --instance-id <INSTANCE_ID> --allocation-id <ALLOCATION_ID>`	Associates the Elastic IP to the EC2 instance.	Connects the fixed public IP to the web server.
27	EC2	`aws ec2 stop-instances --instance-ids <INSTANCE_ID>`	Stops an EC2 instance.	Changes the visual state to stopped and preserves configuration.
28	EC2	`aws ec2 start-instances --instance-ids <INSTANCE_ID>`	Starts a stopped instance.	Changes the visual state to running.
29	EC2	`aws ec2 terminate-instances --instance-ids <INSTANCE_ID>`	Terminates an EC2 instance.	Removes the server and keeps the action history.
30	EBS	`aws ec2 create-volume --availability-zone us-east-1a --size 20 --volume-type gp3 --tag-specifications 'ResourceType=volume,Tags=[{Key=Name,Value=ww-data-vol}]'`	Creates a gp3 EBS volume.	Adds persistent storage in the same Availability Zone.
31	EBS	`aws ec2 attach-volume --volume-id <VOLUME_ID> --instance-id <INSTANCE_ID> --device /dev/sdf`	Attaches an EBS volume to an instance.	Connects persistent storage to the server.
32	EBS Snapshot	`aws ec2 create-snapshot --volume-id <VOLUME_ID> --description "Snapshot Weisewelt Free Lab"`	Creates a snapshot from an EBS volume.	Adds an incremental backup in the protection layer.
33	S3	`aws s3 mb s3://ww-free-lab-<ACCOUNT_ID>-demo --region us-east-1`	Creates an S3 bucket for the lab.	Draws an object bucket with region and unique name.
34	S3	`aws s3 cp ./index.html s3://ww-free-lab-<ACCOUNT_ID>-demo/index.html`	Copies a local file to the bucket.	Shows the uploaded object inside the bucket.
35	S3	`aws s3 sync ./site s3://ww-free-lab-<ACCOUNT_ID>-demo --delete`	Synchronizes a local folder with S3.	Simulates static site deployment and incremental changes.
36	S3	`aws s3 ls s3://ww-free-lab-<ACCOUNT_ID>-demo --recursive --human-readable --summarize`	Lists bucket objects with a summary.	Updates object count and total size.
37	S3 Versioning	`aws s3api put-bucket-versioning --bucket ww-free-lab-<ACCOUNT_ID>-demo --versioning-configuration Status=Enabled`	Enables S3 bucket versioning.	Marks protection against accidental overwrites.
38	IAM	`aws iam create-role --role-name ww-lambda-exec --assume-role-policy-document file://trust-policy.json`	Creates an IAM role for Lambda execution.	Adds a service identity and trust relationship.
39	IAM	`aws iam attach-role-policy --role-name ww-lambda-exec --policy-arn arn:aws:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole`	Attaches the managed policy for basic Lambda logs.	Updates the role's effective permissions.
40	Lambda	`aws lambda create-function --function-name ww-hello-free --runtime python3.12 --role arn:aws:iam::<ACCOUNT_ID>:role/ww-lambda-exec --handler app.handler --zip-file fileb://function.zip`	Creates a Lambda function from a ZIP package.	Draws a serverless function connected to IAM and CloudWatch Logs.
41	Lambda	`aws lambda invoke --function-name ww-hello-free response.json`	Invokes the Lambda function and stores the response.	Shows event, execution and simulated response.
42	CloudWatch Logs	`aws logs describe-log-groups --log-group-name-prefix /aws/lambda/ww-hello-free`	Displays Lambda log groups.	Opens the observability layer and traces.
43	CloudWatch	`aws cloudwatch put-metric-alarm --alarm-name ww-cpu-high --metric-name CPUUtilization --namespace AWS/EC2 --statistic Average --period 300 --threshold 80 --comparison-operator GreaterThanThreshold --dimensions Name=InstanceId,Value=<INSTANCE_ID> --evaluation-periods 2`	Creates a high CPU alarm for EC2.	Adds a monitoring alert to the instance.
44	RDS	`aws rds create-db-subnet-group --db-subnet-group-name ww-db-subnets --db-subnet-group-description "Weisewelt private DB subnets" --subnet-ids <PRIVATE_SUBNET_ID_A> <PRIVATE_SUBNET_ID_B>`	Creates a private subnet group for RDS.	Places the database inside private networking.
45	RDS	`aws rds create-db-instance --db-instance-identifier ww-mysql-free --db-instance-class db.t4g.micro --engine mysql --master-username admin --master-user-password <STRONG_PASSWORD> --allocated-storage 20 --db-subnet-group-name ww-db-subnets --no-publicly-accessible`	Creates a private MySQL RDS instance.	Draws a database without public IP and with internal access.
46	EKS	`aws eks create-cluster --name ww-eks-free --role-arn arn:aws:iam::<ACCOUNT_ID>:role/ww-eks-cluster-role --resources-vpc-config subnetIds=<PUBLIC_SUBNET_ID>,<PRIVATE_SUBNET_ID>,securityGroupIds=<SG_ID>`	Creates the Amazon EKS control plane.	Adds a managed Kubernetes control plane with network configuration.
47	EKS	`aws eks describe-cluster --name ww-eks-free --query "cluster.{Name:name,Status:status,Endpoint:endpoint,Version:version}" --output table`	Displays EKS cluster status, endpoint and version.	Updates the control plane state.
48	EKS	`aws eks create-nodegroup --cluster-name ww-eks-free --nodegroup-name ww-ng-free --node-role arn:aws:iam::<ACCOUNT_ID>:role/ww-eks-node-role --subnets <PRIVATE_SUBNET_ID_A> <PRIVATE_SUBNET_ID_B> --instance-types t3.medium --scaling-config minSize=1,maxSize=3,desiredSize=1`	Creates a managed node group for EKS.	Draws private nodes and scalable capacity.
49	EKS	`aws eks update-kubeconfig --region us-east-1 --name ww-eks-free`	Updates local kubeconfig for cluster access.	Marks administrative access from the terminal.
50	CloudFormation	`aws cloudformation deploy --template-file template.yaml --stack-name ww-free-stack --capabilities CAPABILITY_NAMED_IAM --parameter-overrides Environment=free`	Deploys infrastructure as code with CloudFormation.	Groups resources into a stack and shows dependencies.

Start with identity, region and VPC before running EC2, RDS or EKS.

Replace placeholders only inside the emulator or in controlled real environments.

In real accounts, validate permissions, costs and security policies before running creation commands.

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