OdbVue

Appearance

Podman ​

What is Podman? ​

Podman (Pod Manager) is a container engine that allows you to build, run, and manage containers and pods. It's a drop-in replacement for Docker that doesn't require a daemon and runs rootless by default, making it more secure and lightweight. Podman is part of the OCI (Open Container Initiative) ecosystem and is compatible with Docker images and commands.

Key Benefits:

  • No daemon required (runs directly)
  • Rootless containers by default (better security)
  • Pod support (group multiple containers)
  • Docker-compatible CLI
  • Lightweight resource footprint

Linux Setup ​

Prerequisites ​

  • Linux kernel 5.11 or later
  • sudo or root access

Step-by-Step Installation ​

1. Update your package manager

bash
sudo apt update && sudo apt upgrade -y
# or for RHEL/CentOS:
# sudo dnf update -y

2. Install Podman

bash
sudo apt install -y podman
# or for RHEL/CentOS:
# sudo dnf install -y podman

3. Verify installation

bash
podman --version

4. Test Podman

bash
podman run hello-world

5. (Optional) Enable rootless mode

bash
podman system migrate

That's it! You're ready to use Podman on Linux.

Windows Setup ​

Prerequisites ​

  • Windows 10/11 (Pro, Enterprise, or Home Edition)
  • Administrator access
  • At least 4GB RAM available
  • Virtualization enabled in BIOS

Step 1: Install WSL 2 (Windows Subsystem for Linux) ​

WSL 2 provides a lightweight Linux environment on Windows where Podman can run efficiently.

1. Open PowerShell as Administrator

2. Install WSL 2 with Ubuntu

powershell
wsl --install -d Ubuntu

3. Wait for installation to complete, then restart your computer

4. After restart, set up your WSL username and password

  • Open PowerShell or Windows Terminal
  • Run: wsl
  • Create a username and password for your Linux environment

5. Verify WSL installation

powershell
wsl --list --verbose

Step 2: Install Podman in WSL 2 ​

1. Open WSL terminal

powershell
wsl

2. Update Ubuntu packages

bash
sudo apt update && sudo apt upgrade -y

3. Install Podman

bash
sudo apt install -y podman

4. Verify installation

bash
podman --version

5. Test Podman

bash
podman run hello-world

Step 3: Access Podman from Windows (Optional) ​

To use Podman commands directly from Windows PowerShell:

1. Add WSL to your PATH

  • Open PowerShell as Administrator
  • Create an alias:
powershell
New-Item -Path $PROFILE -Type File -Force
notepad $PROFILE

2. Add these lines to your PowerShell profile:

powershell
function podman {
    wsl podman $args
}

3. Save and reload PowerShell

powershell
& $PROFILE

4. Now you can use Podman directly from Windows:

powershell
podman run hello-world

Quick Reference Commands ​

bash
# List containers
podman ps -a

# Run a container
podman run -d --name myapp image:tag

# View logs
podman logs container_name

# Stop container
podman stop container_name

# Remove container
podman rm container_name

# Build image
podman build -t myimage:tag .

# List images
podman images

Troubleshooting ​

WSL not found?

  • Ensure you're on Windows 10 v19041 or later
  • Enable virtualization in BIOS settings

Permission denied errors?

  • Use sudo or configure rootless mode:
bash
podman system migrate

Slow performance?

  • Increase WSL memory in .wslconfig
  • Close unnecessary applications