For users who prefer a command‑line automation approach rather than manually running aria2c , evedl is a convenient wrapper.
The result is not just a faster download. It is a smoother, more reliable lab environment where you spend your time learning networking, not wrestling with file transfers. Master these techniques once, and you will benefit from every image download for the lifetime of your EVE‑NG practice.
: Torrent clients ensure your large image files aren't corrupted during the transfer. 2. Efficient Uploading & Storage eveng qemu images download better
If you skip this step, your newly downloaded images will fail to boot or get stuck in a continuous boot loop. Open the Eve-NG CLI via SSH and run the global wrapper command to fix all file permissions: /opt/unetlab/wrappers/unl_wrapper -a fixpermissions Use code with caution. Pro-Tips for Better Image Performance in Eve-NG
Example B — Convert VMware OVA -> EVE qcow2: For users who prefer a command‑line automation approach
Create a new folder inside the qemu directory. The folder name start with the precise prefix dictated by Eve-NG, followed by a hyphen and your version identifier.
Once images are downloaded, follow these steps to ensure they "just work" without troubleshooting delays: Strict Naming Conventions : Navigate to /opt/unetlab/addons/qemu/ Master these techniques once, and you will benefit
git clone https://github.com/slizhang/eve-ng_image_downloader cd eve-ng_image_downloader python3 downloader.py --list python3 downloader.py --download cisco-iosv-15.6
Elias wasn’t looking for the standard, stripped-down Cisco IOS images that booted in seconds. He wanted the heavy lifters. He wanted the full-scale Cisco ASAv firewalls, the hefty Palo Alto VM-Series, and the complex FortiGate appliances that mirrored the enterprise environments he built at work. He needed the "better" images—the ones with full feature sets, not the limited ones.
Once you have downloaded your optimized image, follow these steps to integrate it into your topology dashboard. 1. Upload via SFTP
A downloaded image that is placed in the wrong folder, named incorrectly, or left with wrong permissions will simply not appear in the EVE‑NG web interface or will fail to boot. Understanding these rules upfront is the first step toward a “better” download experience.