1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
QEMU Guest Agent
================
Synopsis
--------
**qemu-ga** [*OPTIONS*]
Description
-----------
The QEMU Guest Agent is a daemon intended to be run within virtual
machines. It allows the hypervisor host to perform various operations
in the guest, such as:
- get information from the guest
- set the guest's system time
- read/write a file
- sync and freeze the filesystems
- suspend the guest
- reconfigure guest local processors
- set user's password
- ...
qemu-ga will read a system configuration file on startup (located at
|CONFDIR|\ ``/qemu-ga.conf`` by default), then parse remaining
configuration options on the command line. For the same key, the last
option wins, but the lists accumulate (see below for configuration
file format).
Options
-------
.. program:: qemu-ga
.. option:: -m, --method=METHOD
Transport method: one of ``unix-listen``, ``virtio-serial``, or
``isa-serial``, or ``vsock-listen`` (``virtio-serial`` is the default).
.. option:: -p, --path=PATH
Device/socket path (the default for virtio-serial is
``/dev/virtio-ports/org.qemu.guest_agent.0``,
the default for isa-serial is ``/dev/ttyS0``). Socket addresses for
vsock-listen are written as ``<cid>:<port>``.
.. option:: -l, --logfile=PATH
Set log file path (default is stderr).
.. option:: -f, --pidfile=PATH
Specify pid file (default is ``/var/run/qemu-ga.pid``).
.. option:: -F, --fsfreeze-hook=PATH
Enable fsfreeze hook. Accepts an optional argument that specifies
script to run on freeze/thaw. Script will be called with
'freeze'/'thaw' arguments accordingly (default is
|CONFDIR|\ ``/fsfreeze-hook``). If using -F with an argument, do
not follow -F with a space (for example:
``-F/var/run/fsfreezehook.sh``).
.. option:: -t, --statedir=PATH
Specify the directory to store state information (absolute paths only,
default is ``/var/run``).
.. option:: -v, --verbose
Log extra debugging information.
.. option:: -V, --version
Print version information and exit.
.. option:: -d, --daemon
Daemonize after startup (detach from terminal).
.. option:: -b, --block-rpcs=LIST
Comma-separated list of RPCs to disable (no spaces, use ``help`` to
list available RPCs).
.. option:: -a, --allow-rpcs=LIST
Comma-separated list of RPCs to enable (no spaces, use ``help`` to
list available RPCs).
.. option:: -D, --dump-conf
Dump the configuration in a format compatible with ``qemu-ga.conf``
and exit.
.. option:: -h, --help
Display this help and exit.
Files
-----
The syntax of the ``qemu-ga.conf`` configuration file follows the
Desktop Entry Specification, here is a quick summary: it consists of
groups of key-value pairs, interspersed with comments.
::
# qemu-ga configuration sample
[general]
daemonize = 0
pidfile = /var/run/qemu-ga.pid
verbose = 0
method = virtio-serial
path = /dev/virtio-ports/org.qemu.guest_agent.0
statedir = /var/run
The list of keys follows the command line options:
============= ===========
Key Key type
============= ===========
daemon boolean
method string
path string
logfile string
pidfile string
fsfreeze-hook string
statedir string
verbose boolean
block-rpcs string list
============= ===========
See also
--------
:manpage:`qemu(1)`
|
