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Re: [Qemu-devel] Re: VNC Password
From: |
Anthony Liguori |
Subject: |
Re: [Qemu-devel] Re: VNC Password |
Date: |
Thu, 23 Oct 2008 10:15:35 -0500 |
User-agent: |
Thunderbird 2.0.0.17 (X11/20080925) |
Volkan YAZICI wrote:
On Thu, 23 Oct 2008, Gerd Hoffmann <address@hidden> writes:
Volkan YAZICI wrote:
On Thu, 23 Oct 2008, "Daniel P. Berrange" <address@hidden> writes:
If you want daemonized instances, and wish to use the monitor, then
rather than using '-monitor stdio', it'd be better to have it connect
to something like a UNIX socket, eg
-monitor unix:/var/run/qemu/mysock,server
Excuse my ignorance, but when I use above command, qemu types "QEMU
waiting for connection on: /var/run/qemu/monitor.preprod" on the command
line and hangs at that state. Is this something expected?
Yes. If you don't want that, add ",nowait".
This time it complains with an interesting error message:
# rlwrap /usr/local/sbin/qemu-preprod
qemu: could not open monitor device
'unix:/var/run/qemu/preprod.monitor,nowait'
You need unix:/var/run/qemu/preprod.monitor,server,nowait
I use the following program to send commands to the monitor. You would
use it like:
$ qemu-remote /var/run/qemu/preprod.monitor help
Regards,
Anthony Liguori
# ls -l /var/run/qemu/preprod.monitor
-rw-r--r-- 1 root root 0 2008-10-23 14:56 /var/run/qemu/preprod.monitor
BTW, how can I connect to the monitor session -- if I can get it right
at last -- that will be pointed by /var/run/qemu/preprod.monitor?
Try "nc localhost:5001" instead. Qemu listens on the loopback interface
only if you specify display "localhost:1". netstat should show that.
Umm... Actually, no. I can see it listens on 5901.
Regards.
#!/usr/bin/env python
import socket, sys
if len(sys.argv) < 2:
print 'Usage: %s SOCKET' % sys.argv[1]
sys.exit(1)
s = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
s.connect(sys.argv[1])
s.sendall('%s\n' % ' '.join(sys.argv[2:]))
buf = ''
while not buf.endswith('\n(qemu) '):
buf += s.recv(1)
noend = False
buf = ''
while not buf.endswith('\n(qemu) '):
t = s.recv(1)
if len(t) == 0:
noend = True
break
buf += t
if not noend:
buf = buf[:-7]
_, buf = buf.split('\n', 1)
sys.stdout.write(buf)
sys.stdout.flush()
s.close()
Re: [Qemu-devel] VNC Password, Gerd Hoffmann, 2008/10/23
- [Qemu-devel] Re: VNC Password, Volkan YAZICI, 2008/10/23
- Re: [Qemu-devel] Re: VNC Password, Gerd Hoffmann, 2008/10/23
- Re: [Qemu-devel] Re: VNC Password, François Revol, 2008/10/23
- Re: [Qemu-devel] Re: VNC Password, Laurent Vivier, 2008/10/23
- Re: [Qemu-devel] Re: VNC Password, François Revol, 2008/10/24
- Re: [Qemu-devel] Re: VNC Password, Jamie Lokier, 2008/10/24
- Re: [Qemu-devel] Re: VNC Password, François Revol, 2008/10/24
- Re: [Qemu-devel] Re: VNC Password, Gerd Hoffmann, 2008/10/24