[libvirt] remote connection issue 'virsh -c qemu+ssh:///root@localhost/system list'
Hi, I'm trying remote connection with qemu hypervisor on FSL PPC board. The libvirt server is the PPC board. root@ppc:~# ifconfig eth0 10.193.20.109 root@ppc:~# libvirtd -d root@ppc:~# virsh -c qemu:///system define test.xml root@ppc:~# virsh -c qemu:///system start test root@ppc:~# virsh -c qemu:///system list --all Id Name State ---------------------------------------------------- 2 test running Connect from an X86 PC (Ubuntu 10.04) to the PPC board. user@x86:~$ virsh -c qemu+ssh://root@10.193.20.109/system list --all The authenticity of host '10.193.20.109 (10.193.20.109)' can't be established. RSA key fingerprint is 2f:56:07:08:da:7d:ac:41:45:57:d2:12:15:19:67:e0. Are you sure you want to continue connecting (yes/no)? yes root@10.193.20.109's password: error: failed to connect to the hypervisor error: End of file while reading data: Warning: Permanently added '10.193.20.109' (RSA) to the list of known hosts. nc: invalid option -- 'U' BusyBox v1.19.4 (2013-03-08 13:08:18 CST) multi-call binary. Usage: nc [-iN] [-wN] [-l] [-p PORT] [-f FILE|IPADDR PORT] [-e PROG]: Input/output error I tried to verify the remote connection on localhost. But it also failed as below: root@mpc8572ds:~# virsh -c qemu+ssh:///root@localhost/system list --all root@localhost's password: error: failed to connect to the hypervisor error: End of file while reading data: nc: invalid option -- 'U' BusyBox v1.19.4 (2013-03-08 13:08:18 CST) multi-call binary. Usage: nc [-iN] [-wN] [-l] [-p PORT] [-f FILE|IPADDR PORT] [-e PROG]: Input/output error Could anyone give suggestion on this issue? Best Regards, Olivia
On Thu, Mar 21, 2013 at 6:23 AM, Yin Olivia-R63875 <r63875@freescale.com> wrote:
Hi,
I'm trying remote connection with qemu hypervisor on FSL PPC board.
The libvirt server is the PPC board.
root@ppc:~# ifconfig eth0 10.193.20.109 root@ppc:~# libvirtd -d root@ppc:~# virsh -c qemu:///system define test.xml root@ppc:~# virsh -c qemu:///system start test root@ppc:~# virsh -c qemu:///system list --all Id Name State ---------------------------------------------------- 2 test running
Connect from an X86 PC (Ubuntu 10.04) to the PPC board.
user@x86:~$ virsh -c qemu+ssh://root@10.193.20.109/system list --all The authenticity of host '10.193.20.109 (10.193.20.109)' can't be established. RSA key fingerprint is 2f:56:07:08:da:7d:ac:41:45:57:d2:12:15:19:67:e0. Are you sure you want to continue connecting (yes/no)? yes root@10.193.20.109's password: error: failed to connect to the hypervisor error: End of file while reading data: Warning: Permanently added '10.193.20.109' (RSA) to the list of known hosts. nc: invalid option -- 'U' BusyBox v1.19.4 (2013-03-08 13:08:18 CST) multi-call binary.
Usage: nc [-iN] [-wN] [-l] [-p PORT] [-f FILE|IPADDR PORT] [-e PROG]: Input/output error
I tried to verify the remote connection on localhost. But it also failed as below:
root@mpc8572ds:~# virsh -c qemu+ssh:///root@localhost/system list --all root@localhost's password: error: failed to connect to the hypervisor error: End of file while reading data: nc: invalid option -- 'U' BusyBox v1.19.4 (2013-03-08 13:08:18 CST) multi-call binary.
Usage: nc [-iN] [-wN] [-l] [-p PORT] [-f FILE|IPADDR PORT] [-e PROG]: Input/output error
Could anyone give suggestion on this issue?
Best Regards, Olivia
You're using busybox's nc (netcat) implementation. It does not support UNIX sockets which is a requirement of libvirt when using the qemu+ssh:// scheme to connect. I'd suggest looking into generating some certificates and using qemu+tls:// (the default when using qemu:// to a remote system). If you don't care about any authentication or encryption for testing purposes you can use qemu+tcp:// -- Doug Goldstein
Hi Doug, Thanks for your help. qemu+tcp could work now after enabling listen_tcp in /etc/libvirt/libvirtd.conf. user@x86:~$ virsh -c qemu+tcp://10.193.20.109/system list --all Id Name State ---------------------------------------------------- 2 test running For qemu+ssh, it seemed that we need build standalone netcat instead use nc in busybox. For qemu+tls, we need generate many pem files on both server and client. http://wiki.libvirt.org/page/TLSCreateServerCerts Server: /etc/pki/CA/cacert.pem /etc/pki/libvirt/servercert.pem /etc/pki/libvirt/private/serverkey.pem Client: /etc/pki/CA/cacert.pem /etc/pki/libvirt/clientcert.pem /etc/pki/libvirt/private/clientkey.pem But one question is that how does a client know the server name if without DNS service. Our scenario is a ppc board as server. Could we use IP address as the CN in template file? # cat host1_server_template.info organization = libvirt.org cn = host1 tls_www_server encryption_key signing_key Best Regards, Olivia
-----Original Message----- From: cardoe@cardoe.com [mailto:cardoe@cardoe.com] On Behalf Of Doug Goldstein Sent: Friday, March 22, 2013 1:59 AM To: Yin Olivia-R63875 Cc: libvir-list@redhat.com; libvirt-users@redhat.com Subject: Re: [libvirt] remote connection issue 'virsh -c qemu+ssh:///root@localhost/system list'
On Thu, Mar 21, 2013 at 6:23 AM, Yin Olivia-R63875 <r63875@freescale.com> wrote:
Hi,
I'm trying remote connection with qemu hypervisor on FSL PPC board.
The libvirt server is the PPC board.
root@ppc:~# ifconfig eth0 10.193.20.109 root@ppc:~# libvirtd -d root@ppc:~# virsh -c qemu:///system define test.xml root@ppc:~# virsh -c qemu:///system start test root@ppc:~# virsh -c qemu:///system list --all Id Name State ---------------------------------------------------- 2 test running
Connect from an X86 PC (Ubuntu 10.04) to the PPC board.
user@x86:~$ virsh -c qemu+ssh://root@10.193.20.109/system list --all The authenticity of host '10.193.20.109 (10.193.20.109)' can't be established. RSA key fingerprint is 2f:56:07:08:da:7d:ac:41:45:57:d2:12:15:19:67:e0. Are you sure you want to continue connecting (yes/no)? yes root@10.193.20.109's password: error: failed to connect to the hypervisor error: End of file while reading data: Warning: Permanently added '10.193.20.109' (RSA) to the list of known hosts. nc: invalid option -- 'U' BusyBox v1.19.4 (2013-03-08 13:08:18 CST) multi-call binary.
Usage: nc [-iN] [-wN] [-l] [-p PORT] [-f FILE|IPADDR PORT] [-e PROG]: Input/output error
I tried to verify the remote connection on localhost. But it also failed as below:
root@mpc8572ds:~# virsh -c qemu+ssh:///root@localhost/system list --all root@localhost's password: error: failed to connect to the hypervisor error: End of file while reading data: nc: invalid option -- 'U' BusyBox v1.19.4 (2013-03-08 13:08:18 CST) multi-call binary.
Usage: nc [-iN] [-wN] [-l] [-p PORT] [-f FILE|IPADDR PORT] [-e PROG]: Input/output error
Could anyone give suggestion on this issue?
Best Regards, Olivia
You're using busybox's nc (netcat) implementation. It does not support UNIX sockets which is a requirement of libvirt when using the qemu+ssh:// scheme to connect.
I'd suggest looking into generating some certificates and using qemu+tls:// (the default when using qemu:// to a remote system). If you don't care about any authentication or encryption for testing purposes you can use qemu+tcp://
-- Doug Goldstein
Hi Doug, When installing netcat-openbsd on my target PPC board, it could support ssh remote connection from the same architecture. root@ppc-host:~# virsh -c qemu+ssh://root@localhost/system list root@localhost's password: Id Name State ---------------------------------------------------- But it still failed to connect from x86 machine. user@x86:~$ virsh -c qemu+ssh://root@10.193.20.109/ list root@10.193.20.109's password: error: failed to connect to the hypervisor error: End of file while reading data: : Input/output error user@x86:~$ export LIBVIRT_DEBUG=1 user@x86:~$ export LIBVIRT_LOG_OUTPUTS="1:file:virsh.log" user@x86:~$ virsh -c qemu+ssh://root@10.193.20.109/system list 2013-04-09 02:37:04.081+0000: 10685: info : libvirt version: 1.0.3 2013-04-09 02:37:04.081+0000: 10685: debug : virLogParseOutputs:1287 : outputs=1:file:virsh.log 2013-04-09 02:37:04.122+0000: 10687: debug : virFileClose:72 : Closed fd 4 2013-04-09 02:37:04.122+0000: 10687: debug : virFileClose:72 : Closed fd 5 2013-04-09 02:37:04.122+0000: 10687: debug : virFileClose:72 : Closed fd 6 2013-04-09 02:37:04.122+0000: 10687: debug : virFileClose:72 : Closed fd 7 2013-04-09 02:37:04.122+0000: 10687: debug : virFileClose:72 : Closed fd 9 root@10.193.20.109's password: error: failed to connect to the hypervisor error: End of file while reading data: 2013-04-09 02:37:04.122+0000: 10687: debug : virFileClose:72 : Closed fd 8 2013-04-09 02:37:04.122+0000: 10687: debug : virFileClose:72 : Closed fd 10 2013-04-09 02:37:04.122+0000: 10687: debug : virLogParseOutputs:1287 : outputs=1:file:virsh.log: Input/output error The part of the debug information: <cut> 2013-04-09 02:37:04.121+0000: 10685: debug : do_open:1154 : name "qemu+ssh://root@10.193.20.109/system" to URI components: scheme qemu+ssh server 10.193.20.109 user root port 0 path /system 2013-04-09 02:37:04.121+0000: 10685: debug : do_open:1200 : trying driver 0 (Test) ... 2013-04-09 02:37:04.121+0000: 10685: debug : do_open:1206 : driver 0 Test returned DECLINED 2013-04-09 02:37:04.121+0000: 10685: debug : do_open:1200 : trying driver 1 (OPENVZ) ... 2013-04-09 02:37:04.121+0000: 10685: debug : do_open:1206 : driver 1 OPENVZ returned DECLINED 2013-04-09 02:37:04.121+0000: 10685: debug : do_open:1200 : trying driver 2 (VMWARE) ... 2013-04-09 02:37:04.121+0000: 10685: debug : do_open:1206 : driver 2 VMWARE returned DECLINED 2013-04-09 02:37:04.121+0000: 10685: debug : do_open:1200 : trying driver 3 (VBOX) ... 2013-04-09 02:37:04.121+0000: 10685: debug : do_open:1206 : driver 3 VBOX returned DECLINED 2013-04-09 02:37:04.121+0000: 10685: debug : do_open:1200 : trying driver 4 (remote) ... 2013-04-09 02:37:04.121+0000: 10685: debug : doRemoteOpen:594 : proceeding with name = qemu:///system 2013-04-09 02:37:04.121+0000: 10685: debug : doRemoteOpen:603 : Connecting with transport 2 2013-04-09 02:37:04.121+0000: 10685: debug : virCommandRunAsync:2203 : About to run LC_ALL=C LD_LIBRARY_PATH=/opt/virtutech/simics-3.2/simics-mpc8578-3.2.40/x86-linux/lib/ PATH=/home/yhh/yocto-project/sdk-devel/poky/scripts:/home/yhh/yocto-project/sdk-devel/poky/bitbake/bin/:/home/yhh/yocto-project/sdk-devel/poky/scripts:/home/yhh/yocto-project/sdk-devel/poky/bitbake/bin/:/home/yhh/yocto-project/sdk-devel/poky/scripts:/home/yhh/yocto-project/sdk-devel/poky/bitbake/bin/:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/opt/freescale/ltib/usr/bin/:/opt/virtutech/simics-3.2/simics-3.2.44/bin/ HOME=/home/yhh USER=yhh LOGNAME=yhh ssh -l root 10.193.20.109 sh -c ''\''if '\''nc'\'' -q 2>&1 | grep "requires an argument" >/dev/null 2>&1; then ARG=-q0;else ARG=;fi;'\''nc'\'' $ARG -U /usr/local/var/run/libvirt/libvirt-sock'\''' 2013-04-09 02:37:04.122+0000: 10685: debug : virCommandRunAsync:2208 : Command result 0, with PID 10687 2013-04-09 02:37:04.122+0000: 10685: debug : virFileClose:72 : Closed fd 8 2013-04-09 02:37:04.122+0000: 10685: debug : virFileClose:72 : Closed fd 10 2013-04-09 02:37:04.122+0000: 10685: debug : virNetSocketNew:151 : localAddr=(nil) remoteAddr=(nil) fd=7 errfd=9 pid=10687 2013-04-09 02:37:04.122+0000: 10685: debug : virObjectNew:201 : OBJECT_NEW: obj=0x7f7f34003a50 classname=virNetSocket 2013-04-09 02:37:04.122+0000: 10685: debug : virNetSocketNew:201 : RPC_SOCKET_NEW: sock=0x7f7f34003a50 fd=7 errfd=9 pid=10687 localAddr=(null), remoteAddr=(null) 2013-04-09 02:37:04.122+0000: 10685: debug : virObjectNew:201 : OBJECT_NEW: obj=0x7f7f34003260 classname=virNetClient 2013-04-09 02:37:04.122+0000: 10685: debug : virNetClientNew:326 : RPC_CLIENT_NEW: client=0x7f7f34003260 sock=0x7f7f34003a50 2013-04-09 02:37:04.122+0000: 10685: debug : virObjectRef:295 : OBJECT_REF: obj=0x7f7f34003260 2013-04-09 02:37:04.122+0000: 10685: debug : virObjectRef:295 : OBJECT_REF: obj=0x7f7f34003a50 2013-04-09 02:37:04.122+0000: 10685: debug : virEventPollInterruptLocked:716 : Interrupting 2013-04-09 02:37:04.122+0000: 10685: debug : virEventPollAddHandle:136 : EVENT_POLL_ADD_HANDLE: watch=2 fd=7 events=1 cb=0x7f7f3e17a430 opaque=0x7f7f34003a50 ff=0x7f7f3e17a7d0 2013-04-09 02:37:04.122+0000: 10686: debug : virEventPollRunOnce:640 : Poll got 1 event(s) 2013-04-09 02:37:04.122+0000: 10685: debug : virKeepAliveNew:197 : client=0x7f7f34003260, interval=-1, count=0 2013-04-09 02:37:04.122+0000: 10686: debug : virEventPollDispatchTimeouts:425 : Dispatch 0 2013-04-09 02:37:04.122+0000: 10685: debug : virObjectNew:201 : OBJECT_NEW: obj=0x7f7f34000d70 classname=virKeepAlive 2013-04-09 02:37:04.122+0000: 10686: debug : virEventPollDispatchHandles:470 : Dispatch 1 2013-04-09 02:37:04.122+0000: 10685: debug : virKeepAliveNew:216 : RPC_KEEPALIVE_NEW: ka=0x7f7f34000d70 client=0x7f7f34003260 2013-04-09 02:37:04.122+0000: 10686: debug : virEventPollDispatchHandles:484 : i=0 w=1 2013-04-09 02:37:04.122+0000: 10685: debug : virObjectRef:295 : OBJECT_REF: obj=0x7f7f34003260 2013-04-09 02:37:04.122+0000: 10686: debug : virEventPollDispatchHandles:498 : EVENT_POLL_DISPATCH_HANDLE: watch=1 events=1 2013-04-09 02:37:04.122+0000: 10685: debug : virObjectNew:201 : OBJECT_NEW: obj=0x7f7f34000b00 classname=virNetClientProgram 2013-04-09 02:37:04.122+0000: 10685: debug : virObjectNew:201 : OBJECT_NEW: obj=0x7f7f34000c10 classname=virNetClientProgram 2013-04-09 02:37:04.122+0000: 10686: debug : virEventPollCleanupTimeouts:516 : Cleanup 0 2013-04-09 02:37:04.122+0000: 10685: debug : virObjectNew:201 : OBJECT_NEW: obj=0x7f7f34003420 classname=virNetClientProgram 2013-04-09 02:37:04.122+0000: 10686: debug : virEventPollCleanupTimeouts:552 : Found 0 out of 0 timeout slots used, releasing 0 2013-04-09 02:37:04.122+0000: 10685: debug : virObjectRef:295 : OBJECT_REF: obj=0x7f7f34000b00 2013-04-09 02:37:04.122+0000: 10686: debug : virEventPollCleanupHandles:564 : Cleanup 2 2013-04-09 02:37:04.122+0000: 10685: debug : virObjectRef:295 : OBJECT_REF: obj=0x7f7f34000c10 2013-04-09 02:37:04.122+0000: 10685: debug : virObjectRef:295 : OBJECT_REF: obj=0x7f7f34003420 2013-04-09 02:37:04.122+0000: 10686: debug : virEventRunDefaultImpl:270 : running default event implementation 2013-04-09 02:37:04.122+0000: 10685: debug : doRemoteOpen:796 : Trying authentication 2013-04-09 02:37:04.122+0000: 10686: debug : virEventPollCleanupTimeouts:516 : Cleanup 0 2013-04-09 02:37:04.122+0000: 10686: debug : virEventPollCleanupTimeouts:552 : Found 0 out of 0 timeout slots used, releasing 0 2013-04-09 02:37:04.122+0000: 10685: debug : virNetMessageNew:45 : msg=0x7f7f340038b0 tracked=0 2013-04-09 02:37:04.122+0000: 10686: debug : virEventPollCleanupHandles:564 : Cleanup 2 2013-04-09 02:37:04.122+0000: 10686: debug : virEventPollMakePollFDs:393 : Prepare n=0 w=1, f=5 e=1 d=0 2013-04-09 02:37:04.122+0000: 10686: debug : virEventPollMakePollFDs:393 : Prepare n=1 w=2, f=7 e=1 d=0 2013-04-09 02:37:04.122+0000: 10686: debug : virEventPollCalculateTimeout:332 : Calculate expiry of 0 timers 2013-04-09 02:37:04.122+0000: 10685: debug : virNetMessageEncodePayload:364 : Encode length as 28 2013-04-09 02:37:04.122+0000: 10686: debug : virEventPollCalculateTimeout:361 : Timeout at 0 due in -1 ms 2013-04-09 02:37:04.122+0000: 10687: info : libvirt version: 1.0.3 2013-04-09 02:37:04.122+0000: 10686: debug : virEventPollRunOnce:629 : EVENT_POLL_RUN: nhandles=2 timeout=-1 2013-04-09 02:37:04.122+0000: 10687: debug : virExec:641 : Setting child uid:gid to -1:-1 with caps 0 2013-04-09 02:37:04.122+0000: 10685: debug : virNetClientSendInternal:1955 : RPC_CLIENT_MSG_TX_QUEUE: client=0x7f7f34003260 len=28 prog=536903814 vers=1 proc=66 type=0 status=0 serial=0 2013-04-09 02:37:04.122+0000: 10685: debug : virNetClientCallNew:1908 : New call 0x7f7f34003060: msg=0x7f7f340038b0, expectReply=1, nonBlock=0 2013-04-09 02:37:04.122+0000: 10685: debug : virNetClientIO:1718 : Outgoing message prog=536903814 version=1 serial=0 proc=66 type=0 length=28 dispatch=(nil) 2013-04-09 02:37:04.122+0000: 10685: debug : virNetClientIO:1777 : We have the buck head=0x7f7f34003060 call=0x7f7f34003060 2013-04-09 02:37:04.122+0000: 10685: debug : virEventPollUpdateHandle:147 : EVENT_POLL_UPDATE_HANDLE: watch=2 events=0 2013-04-09 02:37:04.123+0000: 10685: debug : virEventPollInterruptLocked:716 : Interrupting 2013-04-09 02:37:04.123+0000: 10686: debug : virEventPollRunOnce:640 : Poll got 1 event(s) 2013-04-09 02:37:04.123+0000: 10686: debug : virEventPollDispatchTimeouts:425 : Dispatch 0 2013-04-09 02:37:04.123+0000: 10686: debug : virEventPollDispatchHandles:470 : Dispatch 2 2013-04-09 02:37:04.123+0000: 10686: debug : virEventPollDispatchHandles:484 : i=0 w=1 2013-04-09 02:37:04.123+0000: 10686: debug : virEventPollDispatchHandles:498 : EVENT_POLL_DISPATCH_HANDLE: watch=1 events=1 2013-04-09 02:37:04.123+0000: 10686: debug : virEventPollCleanupTimeouts:516 : Cleanup 0 2013-04-09 02:37:04.123+0000: 10686: debug : virEventPollCleanupTimeouts:552 : Found 0 out of 0 timeout slots used, releasing 0 2013-04-09 02:37:04.123+0000: 10686: debug : virEventPollCleanupHandles:564 : Cleanup 2 2013-04-09 02:37:04.123+0000: 10686: debug : virEventRunDefaultImpl:270 : running default event implementation 2013-04-09 02:37:04.123+0000: 10686: debug : virEventPollCleanupTimeouts:516 : Cleanup 0 2013-04-09 02:37:04.123+0000: 10686: debug : virEventPollCleanupTimeouts:552 : Found 0 out of 0 timeout slots used, releasing 0 2013-04-09 02:37:04.123+0000: 10686: debug : virEventPollCleanupHandles:564 : Cleanup 2 2013-04-09 02:37:04.123+0000: 10686: debug : virEventPollMakePollFDs:393 : Prepare n=0 w=1, f=5 e=1 d=0 2013-04-09 02:37:04.123+0000: 10686: debug : virEventPollMakePollFDs:393 : Prepare n=1 w=2, f=7 e=0 d=0 2013-04-09 02:37:04.123+0000: 10686: debug : virEventPollCalculateTimeout:332 : Calculate expiry of 0 timers 2013-04-09 02:37:04.123+0000: 10686: debug : virEventPollCalculateTimeout:361 : Timeout at 0 due in -1 ms 2013-04-09 02:37:04.123+0000: 10686: debug : virEventPollRunOnce:629 : EVENT_POLL_RUN: nhandles=1 timeout=-1 2013-04-09 02:37:06.761+0000: 10685: error : virNetSocketReadWire:1321 : End of file while reading data: 2013-04-09 02:37:04.122+0000: 10687: debug : virFileClose:72 : Closed fd 8 2013-04-09 02:37:04.122+0000: 10687: debug : virFileClose:72 : Closed fd 10 2013-04-09 02:37:04.122+0000: 10687: debug : virLogParseOutputs:1287 : outputs=1:file:virsh.log: Input/output error <cut> Is there anything I miss? Best Regards, Olivia
-----Original Message----- From: Yin Olivia-R63875 Sent: Friday, March 22, 2013 5:59 PM To: 'Doug Goldstein' Cc: libvir-list@redhat.com; libvirt-users@redhat.com Subject: RE: [libvirt] remote connection issue 'virsh -c qemu+ssh:///root@localhost/system list'
Hi Doug,
Thanks for your help.
qemu+tcp could work now after enabling listen_tcp in /etc/libvirt/libvirtd.conf. user@x86:~$ virsh -c qemu+tcp://10.193.20.109/system list --all Id Name State ---------------------------------------------------- 2 test running
For qemu+ssh, it seemed that we need build standalone netcat instead use nc in busybox.
For qemu+tls, we need generate many pem files on both server and client. http://wiki.libvirt.org/page/TLSCreateServerCerts
Server: /etc/pki/CA/cacert.pem /etc/pki/libvirt/servercert.pem /etc/pki/libvirt/private/serverkey.pem
Client: /etc/pki/CA/cacert.pem /etc/pki/libvirt/clientcert.pem /etc/pki/libvirt/private/clientkey.pem
But one question is that how does a client know the server name if without DNS service. Our scenario is a ppc board as server. Could we use IP address as the CN in template file? # cat host1_server_template.info organization = libvirt.org cn = host1 tls_www_server encryption_key signing_key
Best Regards, Olivia
-----Original Message----- From: cardoe@cardoe.com [mailto:cardoe@cardoe.com] On Behalf Of Doug Goldstein Sent: Friday, March 22, 2013 1:59 AM To: Yin Olivia-R63875 Cc: libvir-list@redhat.com; libvirt-users@redhat.com Subject: Re: [libvirt] remote connection issue 'virsh -c qemu+ssh:///root@localhost/system list'
On Thu, Mar 21, 2013 at 6:23 AM, Yin Olivia-R63875 <r63875@freescale.com> wrote:
Hi,
I'm trying remote connection with qemu hypervisor on FSL PPC board.
The libvirt server is the PPC board.
root@ppc:~# ifconfig eth0 10.193.20.109 root@ppc:~# libvirtd -d root@ppc:~# virsh -c qemu:///system define test.xml root@ppc:~# virsh -c qemu:///system start test root@ppc:~# virsh -c qemu:///system list --all Id Name State ---------------------------------------------------- 2 test running
Connect from an X86 PC (Ubuntu 10.04) to the PPC board.
user@x86:~$ virsh -c qemu+ssh://root@10.193.20.109/system list --all The authenticity of host '10.193.20.109 (10.193.20.109)' can't be established. RSA key fingerprint is 2f:56:07:08:da:7d:ac:41:45:57:d2:12:15:19:67:e0. Are you sure you want to continue connecting (yes/no)? yes root@10.193.20.109's password: error: failed to connect to the hypervisor error: End of file while reading data: Warning: Permanently added '10.193.20.109' (RSA) to the list of known hosts. nc: invalid option -- 'U' BusyBox v1.19.4 (2013-03-08 13:08:18 CST) multi-call binary.
Usage: nc [-iN] [-wN] [-l] [-p PORT] [-f FILE|IPADDR PORT] [-e PROG]: Input/output error
I tried to verify the remote connection on localhost. But it also failed as below:
root@mpc8572ds:~# virsh -c qemu+ssh:///root@localhost/system list --all root@localhost's password: error: failed to connect to the hypervisor error: End of file while reading data: nc: invalid option -- 'U' BusyBox v1.19.4 (2013-03-08 13:08:18 CST) multi-call binary.
Usage: nc [-iN] [-wN] [-l] [-p PORT] [-f FILE|IPADDR PORT] [-e PROG]: Input/output error
Could anyone give suggestion on this issue?
Best Regards, Olivia
You're using busybox's nc (netcat) implementation. It does not support UNIX sockets which is a requirement of libvirt when using the qemu+ssh:// scheme to connect.
I'd suggest looking into generating some certificates and using qemu+tls:// (the default when using qemu:// to a remote system). If you don't care about any authentication or encryption for testing purposes you can use qemu+tcp://
-- Doug Goldstein
participants (2)
-
Doug Goldstein -
Yin Olivia-R63875