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January 2017

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22 discussions

[libvirt-users] Virsh Fail to Connect to Hypervisor
by Xu, Rongjie (Nokia - CN/Hangzhou) 04 Jan '17

04 Jan '17

Hi, I am upgrading libvirt from 1.2.9 to 2.0.0 and I have successfully make the libvirtd running. However, virsh cannot connect to hypervisor with following errors: virsh # connect error: failed to connect to the hypervisor root@node-55:/usr/local# virsh -c 'qemu:///system' connect error: failed to connect to the hypervisor error: no connection driver available for qemu:///system Can you give me some suggestion about where will be the problem. Thanks. libvirtd is running: root@node-55:/usr/lib/python2.7/dist-packages# ps aux | grep -i libvirtd root 1246963 0.0 0.0 1245780 3428 ? Ssl 06:04 0:00 /usr/sbin/libvirtd --config /etc/libvirt/libvirtd.conf -l Best Regards Xu Rongjie (Max) Mobile:18658176819

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[libvirt-users] Default firewall rules and forwarding to a guest
by Omer Aldemir 04 Jan '17

04 Jan '17

Hello, I am trying to understand how libvirt firewall rules are loaded as I have firewalld and iptables services are disabled. Where is the configuration files for firewall and NAT rules for libvirt? How can I load default firewall rules if I mess things up Also I have realized that followings is default ACCEPT all -- 0.0.0.0/0 192.168.122.0/24 ctstate RELATED,ESTABLISHED but If I am to forward a port for a real IP to internal guest machine I need ACCEPT all -- 0.0.0.0/0 192.168.122.0/24 state NEW,RELATED,ESTABLISHED (NEW state is required) and also of course a forwarding rule iptables -t nat -I PREROUTING -p tcp --dport 3389 -j DNAT --to-destination 192.168.122.16:3389 Is there a place I can make this rules static with LibVirt (not playing with firewalld and/or iptables service for Centos 7) Regards.

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