Eve-ng Image 〈Certified × 2026〉

/opt/unetlab/wrappers/unl_wrapper -a fixpermissions This ensures proper ownership ( root:root ) and permissions (755 for folders, 644 for files). Step 1: Create the folder

mkdir -p /opt/unetlab/addons/qemu/linux-ubuntu-20.04 Upload disk image (e.g., ubuntu-20.04.qcow2 ) and rename eve-ng image

1. Overview EVE-NG (Emulated Virtual Environment – Next Generation) is a network emulator that allows users to run virtualized network devices, servers, and workstations. The core of its functionality lies in images — pre-configured virtual machine disk files or container templates that emulate real hardware or software. 2. Types of Images in EVE-NG | Image Type | Format | Use Case | |------------|--------|-----------| | Dynamips | .image | Cisco IOS (legacy routers, switches) | | IOL (IOS on Linux) | .bin | Cisco IOS Layer 2/3 switching & routing | | QEMU | .qcow2 , .img | Firewalls (pfSense, Fortinet), Linux, Windows, SD-WAN | | Docker | Container | Lightweight Linux hosts, tools (Alpine, Ubuntu) | 3. Image Storage Paths Images must be placed in specific directories under /opt/unetlab/addons/ : The core of its functionality lies in images

mv ubuntu-20.04.qcow2 /opt/unetlab/addons/qemu/linux-ubuntu-20.04/virtioa.qcow2 Fix permissions Image Storage Paths Images must be placed in