Lfs User wrote:
To use -net nic -net tap (bridging) with qemu as a user I had to also:
chgrp kvm /sbin/ip /usr/sbin/brctl /usr/bin/qemu-system-x86_64
setcap cap_net_admin=eip /usr/sbin/brctl
setcap cap_net_admin=eip /usr/bin/qemu-system-x86_64
setcap cap_net_admin=eip /sbin/ip
This requires libcap. I don't use pam.
I could not get bridging working with dhcpcd (in the host), it kept
timing out. I had to use a static ip address as in the example in the
book. dhcpcd works fine in the VM.
Is there a requirement to run qemu as a non-root user? The capabilities
are really in root's domain.
I think you also could run as a non-root user with appropriate
permissions in sudo.
I'm willing to expand the configuration if there is a real need, but
this is an example of the scripts I use:
$ cat start-deb2.sh
#!/bin/bash
SUDO=sudo
[ $EUID == 0 ] && SUDO=
$SUDO qemu -enable-kvm -boot c \
-drive file=/mnt/qemu1/debian2.img,if=virtio \
-m 2G \
-net nic -net tap -machine accel=kvm
-- Bruce
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