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EX188
Red Hat — Specialist Certification

Containers

Specialist EX188

From Containerfile builds and Podman image management to multi-container application stacks with secrets, volumes, and configs — master every container skill tested in the EX188 exam.

Podman Containerfile skopeo OCI Images Volumes Secrets Multi-container Networking Troubleshooting Registries
Enroll Now Brochure
Podman Terminal — user@rhel9-lab:~
Podman 4.x | EX188 Lab — RHEL 9 [user@rhel9-lab ~]$ podman build -t myapp:1.0 . STEP 1/4: FROM registry.access.redhat.com/ubi9/ubi-minimal STEP 2/4: RUN microdnf install -y python3 STEP 3/4: COPY app.py /app/ Successfully tagged localhost/myapp:1.0 [user@rhel9-lab ~]$ podman run -d -p 8080:8080 --name web myapp:1.0 b3c4d5e6f78901234abcdef567890abc [user@rhel9-lab ~]$ podman ps CONTAINER ID IMAGE COMMAND STATUS PORTS b3c4d5e6f789 myapp:1.0 python3 Up 3 seconds 0.0.0.0:8080 [user@rhel9-lab ~]$ podman inspect web --format '{{.State.Status}}' running [user@rhel9-lab ~]$ podman push myapp:1.0 quay.io/myorg/myapp:1.0 Getting image source signatures ... Copying done [user@rhel9-lab ~]$ Podman 4.x • RHEL 9 • OCI Containers • EX188 Exam Ready • Zetlan Technologies
5
Modules
Full EX188 stack
48+ hrs
Duration
Hands-on labs
Cert Prep
Included
Exam-aligned
24/7
Support
Expert guidance
What You Master

The Complete Container Specialist Skill Set

From Containerfile instructions and image lifecycle management to multi-container stacks with volumes and secrets, and full troubleshooting of containerised applications.

🐳
Complete Podman Container Pipeline

Master Containerfile instructions (FROM, RUN, COPY, ADD, ENV, EXPOSE, ENTRYPOINT), build and tag images, push/pull from registries, run standalone and multi-container applications with volumes, secrets, and configuration, and troubleshoot running containers using logs and inspect commands.

PodmanContainerfileskopeoOCIquay.ioVolumesSecretsNetworksLogsInspect
🏗️
Implement Images

Containerfile instructions — FROM, RUN, COPY, ADD, ENV, EXPOSE, WORKDIR, USER, CMD vs ENTRYPOINT, volumes, and data mounts.

🗂️
Manage Images

Registry security, image tags, push/pull across registries, image layer backup vs container state backup with skopeo.

5
specialist domains covering every container skill area tested in the EX188 exam.
🚀
Run with Podman

Container logs, host events, Podman inspect, environment parameters, port exposure, and standalone container management.

🔗
Multi-Container & Troubleshooting

Build application stacks with Podman, manage container dependencies, environment variables, secrets, volumes, and configuration. Inspect resources, read logs, and connect to running containers to diagnose issues.

podman network create mynet
podman run -d \
 --network mynet \
 --secret db_pass \
 -v data:/data myapp
Why EX188

The Container Specialist Certification Employers Demand

Containers are the universal deployment unit for modern software. EX188 is a performance-based exam on a live RHEL environment that proves you can build and run production container workloads with Podman.

Containers Are the Deployment Standard

Every modern application ships as a container. EX188 proves you can build, manage, and troubleshoot them with Podman on enterprise RHEL.

Live Performance-Based Exam

EX188 is a hands-on exam on a real RHEL system — not multiple choice. Employers trust it because it tests actual container skills.

In Demand Across All Industries

Container skills rank in the top five most-requested DevOps competencies globally — from startups to Fortune 500 enterprises.

Full Exam Domain Coverage

Our 5-module curriculum maps 1:1 to Red Hat's EX188 objectives — Containerfile, image management, Podman, multi-container stacks, and troubleshooting.

Real RHEL 9 Lab Environment

Practise on actual RHEL 9 systems with Podman 4.x — every module has exam-style lab tasks to build your real-world skills.

Tools & Technologies You'll Master
Podman 4.x
Containerfile
skopeo
quay.io
OCI Images
UBI 9
podman build
podman run
podman ps
podman inspect
Volumes
Secrets
Networks
Podman logs
podman exec
RHEL 9
Podman 4.x
Containerfile
skopeo
quay.io
OCI Images
UBI 9
podman build
podman run
podman ps
podman inspect
Volumes
Secrets
Networks
Podman logs
podman exec
RHEL 9
Curriculum

5-Module EX188 Programme

From Containerfile instructions and image management to multi-container Podman stacks and application troubleshooting.

  • Understand and use FROM (the concept of a base image) instruction
  • Understand and use RUN instruction
  • Understand and use ADD instruction
  • Understand and use COPY instruction
  • Understand the difference between ADD and COPY instructions
  • Understand and use WORKDIR and USER instructions
  • Understand security-related topics
  • Understand the differences and applicability of CMD vs. ENTRYPOINT instructions
  • Understand ENTRYPOINT instruction with param
  • Understand when and how to expose ports from a Container file
  • Understand and use environment variables inside images
  • Understand ENV instruction
  • Understand container volume
  • Mount a host directory as a data volume
  • Understand security and permissions requirements related to this approach
  • Understand the lifecycle and cleanup requirements of this approach
  • Understand private registry security
  • Interact with many different registries
  • Understand and use image tags
  • Push and pull images from and to registries
  • Back up an image with its layers and metadata vs. backup a container state
  • Run containers locally using Podman
  • Get container logs
  • Listen to container events on the container host
  • Use Podman inspect
  • Specifying environment parameters
  • Expose public applications
  • Get application logs
  • Inspect running applications
  • Create application stacks
  • Understand container dependencies
  • Working with environment variables
  • Working with secrets
  • Working with volumes
  • Working with configuration
  • Understand the description of application resources
  • Get application logs
  • Inspect running applications
  • Connecting to running containers
Course Snapshot
5 Modules
Full EX188 objectives
48+ Hours
Total learning time
Cert Prep
Exam-aligned content
Tech Support
Call / WhatsApp
Mon–Fri
9 AM – 6 PM
Enroll Now Download Brochure
Have Questions?

Chat with our container specialist trainers instantly.

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Pricing & Packages

Get a Custom Quotation

Flexible pricing for live and blended training modes — we reply within 24 hours.

Career Outcomes

EX188 Careers in Cloud Native & DevOps

Container skills are essential at every tech company, cloud provider, and enterprise deploying modern software across India, the Gulf, and globally.

HCL
Cloud Native
TCS
DevOps
Wipro
Containers
Accenture
Platform
Container Specialist
Build, manage, and secure containerised workloads with Podman on Red Hat Enterprise Linux.
₹6–15 LPA
DevOps Engineer
Automate container builds, image pipelines, and multi-container application deployments.
₹8–22 LPA
Cloud Native Developer
Design and ship microservices as OCI containers on hybrid cloud and on-premise platforms.
₹10–25 LPA
Container Security Engineer
Harden container images, manage secrets, and enforce least-privilege container policies.
₹10–26 LPA
Platform Engineer
Architect container platforms and drive cloud-native adoption across enterprise development teams.
₹14–35 LPA
5
Modules
48+
Hours of Training
₹6–35L
Salary Range
EX188
RH Certified
New Batch Starting Soon — Limited Seats

Ready to Master Containers with Podman?

Join professionals building cloud-native careers with Red Hat's container specialist certification — the trusted standard for enterprise container skills.

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