If you just need Juniper CLI practice, vSRX is easier to set up in EVE-NG free and uses less RAM.
If your PC is lagging, edit the node properties in EVE-NG and reduce the RAM. While vMX prefers 4GB or 8GB, for basic routing labs, you can often get away with . juniper vmx download for eveng free
mv /tmp/vfp.img /opt/unetlab/addons/qemu/vmx-20.1-vfp/virtioa.qcow2 If you just need Juniper CLI practice, vSRX
Beware of:
Downloading Juniper VMX for EVENG provides a cost-effective and flexible way to get hands-on experience with Juniper's virtual routing platform. With EVE-NG, you can create a virtual lab environment to test and validate network configurations, protocols, and features without the need for physical hardware. for basic routing labs
qemu-img convert -f raw -O qcow2 vcp.img hda.qcow2