Images | Download-- Eve-ng

If you skip this step, your device will crash with Permission denied.

/opt/unetlab/wrappers/unl_wrapper -a fixpermissions

While you cannot legally download Cisco IOS directly from EVE-NG, the EVE-NG developers maintain a Community Images Repository for unlicensed, freeware, or end-of-life images that are no longer under copyright (or are explicitly free). Download-- Eve-ng Images

To access the official EVE-NG Community Images (such as older VyOS, HPE VSR, or tiny Linux appliances): If you skip this step, your device will

Warning: Do not request or share modern Cisco/Juniper images in the forums. The moderators will ban you, and the post will be removed. While you cannot legally download Cisco IOS directly

Connect to your EVE-NG server via SSH (or SCP/WinSCP). The image directory structure is critical.

Cisco IOSv is a QEMU image. Navigate there:

cd /opt/unetlab/addons/qemu/

Solution: Check the MD5 hash against a known good value. Also, ensure you are using a QEMU image – not a raw IOS bin file. You cannot run an IOS .bin file directly; must be an IOSv .qcow2.