Log into the EVE‑NG web interface:
In a comparison of 1 GB downloads, wget averaged only 3 MB/s in a cross‑continental test, while the multi‑threaded tool aria2 achieved 12 MB/s under identical conditions.
Store your downloaded, prepared images on an external drive. Do not rely on having to download them again. Summary Checklist Description Download Get official, updated .qcow2 images. Name Follow vendor-version convention. Upload Use SFTP to /opt/unetlab/addons/qemu/ . Fix Run /opt/unetlab/wrappers/unl_wrapper -a fixpermissions . Test Start the node to verify stability. eveng qemu images download better
EVE‑NG stores QEMU images under /opt/unetlab/addons/qemu/ . Each image must have its own subdirectory, named according to the device type.
Always calculate and match the MD5 or SHA256 checksums of downloaded files against trusted community documentation to ensure the files are not corrupted. Log into the EVE‑NG web interface: In a
You must use CLI tools like qemu-img to create virtual disks. One wrong argument can cause disk corruption.
( -n 10 uses 10 connections.)「16†L24」 Summary Checklist Description Download Get official, updated
qemu-img create -f qcow2 -b base-image.qcow2 node-disk1.qcow2
| Task | Old way | Better way | |------|---------|-------------| | Find image | Google “EVE-NG image download” | Vendor trial + EVE-NG official list | | Download | Browser click, 1 by 1 | aria2 + batch script + resume | | Import | Drag-drop + manual chmod | CLI import + fixpermissions | | Storage | Duplicate images per lab | qcow2 backing files | | Validation | Guess and reboot | qemu-img info + template check |
EVE-NG provides an official list of supported QEMU images with direct links. : Pre-tested, version-matched images for Cisco, Juniper, Arista, Fortinet, etc.
For users who prefer a command‑line automation approach rather than manually running aria2c , evedl is a convenient wrapper.