Download-- Eve-ng Images |best| Direct

| Problem | Most Likely Fix | | :--- | :--- | | Node starts then stops instantly | Wrong image name or missing virtioa.qcow2 . Check folder name. | | "Permission denied" in logs | Forgot to run fixpermissions script. | | Console shows "Boot failed" | Tried to use a Cisco IOL image in a QEMU folder (or vice versa). | | Extremely slow boot (10+ min) | Not using a proper virtio disk. Convert raw .img to qcow2 . |

# Convert raw ISO to qcow2 (use zero-copy for speed) qemu-img convert -O qcow2 /path/to/downloaded/cisco.iso virtioa.qcow2 Download-- Eve-ng Images

EVE-NG organizes images by folder structure. The most common folders in /opt/unetlab/addons/qemu/ include: | Problem | Most Likely Fix | |

Great for basic host connectivity tests, useless for routing. | | Console shows "Boot failed" | Tried

For advanced users comfortable with Linux commands.