Hi All, I use Ubuntu server 10.04 LTS as virtualization platform. Actually running kernel 2.6.32-31-server #61-Ubuntu S root@jupiter:~# uname -a Linux jupiter 2.6.32-31-server #61-Ubuntu SMP Fri Apr 8 19:44:42 UTC 2011 x86_64 GNU/Linux We have on running virtual root@jupiter:~# virsh list --all Id Name State ---------------------------------- 1 kvmtik.4safety.cz running I run script for create virtual system wrote root@jupiter:~# make-hestia.4safety.cz.sh 2011-04-24 21:13:25,613 ERROR : ubuntu-kvm already exists Traceback (most recent call last): File "/usr/bin/vmbuilder", line 24, in<module> cli.main() File "/usr/lib/python2.6/dist-packages/VMBuilder/contrib/cli.py", line 81, in main raise VMBuilderUserError('%s already exists' % destdir) VMBuilder.exception.VMBuilderUserError: ubuntu-kvm already exists /usr/local/bin/make-hestia.4safety.cz.sh: line 29: --libvirt=qemu:///system: No such file or directory I try restart libvirt and system wrote to syslog root@jupiter:~# /etc/init.d/libvirt-bin restart Rather than invoking init scripts through /etc/init.d, use the service(8) utility, e.g. service libvirt-bin restart Since the script you are attempting to invoke has been converted to an Upstart job, you may also use the restart(8) utility, e.g. restart libvirt-bin libvirt-bin start/running, process 25202 root@jupiter:~# tail -f /var/log/syslog Apr 24 20:25:01 jupiter CRON[25031]: (root) CMD (command -v debian-sa1> /dev/null&& debian-sa1 1 1) Apr 24 20:35:01 jupiter CRON[25036]: (root) CMD (command -v debian-sa1> /dev/null&& debian-sa1 1 1) Apr 24 20:45:01 jupiter CRON[25042]: (root) CMD (command -v debian-sa1> /dev/null&& debian-sa1 1 1) Apr 24 20:55:01 jupiter CRON[25048]: (root) CMD (command -v debian-sa1> /dev/null&& debian-sa1 1 1) Apr 24 21:05:01 jupiter CRON[25152]: (root) CMD (command -v debian-sa1> /dev/null&& debian-sa1 1 1) Apr 24 21:15:01 jupiter CRON[25183]: (root) CMD (command -v debian-sa1> /dev/null&& debian-sa1 1 1) Apr 24 21:17:01 jupiter CRON[25189]: (root) CMD ( cd /&& run-parts --report /etc/cron.hourly) Apr 24 21:17:58 jupiter libvirtd: 21:17:58.089: warning : qemudDispatchSignalEvent:385 : Shutting down on signal 15 Apr 24 21:17:58 jupiter libvirtd: 21:17:58.617: error : udevStrToLong_ui:73 : Failed to convert '008' to unsigned int#012 Apr 24 21:17:59 jupiter kernel: [106086.771154] lo: Disabled Privacy Extensions