Running as non root

Setup udev groups for kvm, vhost-net, usb, macvtap

1. Create file named something like /etc/udev/rules.d/99-nemu.rules with following content

/etc/udev/rules.d/99-nemu.rules

KERNEL=="kvm", MODE="0660", GROUP="kvm"
KERNEL=="vhost-net", MODE="0660", GROUP="vhost"
SUBSYSTEM=="usb", MODE="0664", GROUP="usb"
SUBSYSTEM=="macvtap", MODE="0660", GROUP="vhost"

2. # udevadm control --reload-rules && udevadm trigger

Add user to udev groups and set capabilities for nEMU executable

Via script

1. # /usr/share/nemu/scripts/setup_nemu_nonroot.sh linux <username>

Or manually

1. # gpasswd -a <username> kvm
2. # gpasswd -a <username> vhost
3. # gpasswd -a <username> usb
4. # ls -1 /usr/bin/qemu-system-* | xargs -n1 setcap CAP_NET_ADMIN=ep
5. # setcap CAP_NET_ADMIN=ep /usr/bin/nemu