Dear Mike,
When using an incorrect option while starting vncserver, a list of options
is displayed in which the following two lines exists.
+xinerama Enable XINERAMA extension
-xinerama Disable XINERAMA extension
Ik think that they are X options instead of VNC options.
Regards
Arno Schuurs
-----Original Message-----
From: Mike Miller [mailto:[email protected]] On Behalf Of Mike Miller
Sent: 2011 Apr 04 8:20 PM
To: Arno Schuurs
Cc: [email protected]
Subject: Re: multiple screens
No one knows anything about this? I'm curious. I don't see anything in
my man pages about the "+xinerama" option.
Mike
On Thu, 24 Mar 2011, Arno Schuurs wrote:
> Hello,
>
> I have one RHEL5 system on which several persons are working with use of
VNC.
> I managed to do this with xinetd.
>
> One of the users asked me if it is possible to use VNC on to monitors, so
I did some searching with use of google and found the following.
>
> "
> % vncserver +xinerama -screen 0 1280x1024x24 -screen 1 1600x1050x24
>
>
> Vncviewer <host>:<display_num>.0
>
> Vncviewer <host>:<display_num>.1
> "
>
> This sound usefull, but when trying it (on the cli), I received two
screens with equal geometries and acting equally.
>
> Can someone help me?
> Am I forgetting something?
>
> Arno Schuurs
schuurs@agille01: $ vncserver
VNC Server Enterprise Edition E4.2.6 - built Jul 27 2006 10:18:14
Copyright (C) 2002-2006 RealVNC Ltd.
See http://www.realvnc.com for information on VNC.
You will require a password to access your desktops.
Password:
Verify:
Unrecognized option: --UserPasswdVerifier
use: X [:<display>] [option]
-a # mouse acceleration (pixels)
-ac disable access control restrictions
-audit int set audit trail level
-auth file select authorization file
bc enable bug compatibility
-br create root window with black background
+bs enable any backing store support
-bs disable any backing store support
-c turns off key-click
c # key-click volume (0-100)
-cc int default color visual class
-co file color database file
-core generate core dump on fatal error
-dpi int screen resolution in dots per inch
dpms enables VESA DPMS monitor control
-dpms disables VESA DPMS monitor control
-deferglyphs [none|all|16] defer loading of [no|all|16-bit] glyphs
-f # bell base (0-100)
-fc string cursor font
-fn string default font name
-fp string default font path
-help prints message with these options
-I ignore all remaining arguments
-ld int limit data space to N Kb
-lf int limit number of open files to N
-ls int limit stack space to N Kb
-nolock disable the locking mechanism
-logo enable logo in screen saver
nologo disable logo in screen saver
-nolisten string don't listen on protocol
-p # screen-saver pattern duration (minutes)
-pn accept failure to listen on all ports
-nopn reject failure to listen on all ports
-r turns off auto-repeat
r turns on auto-repeat
-render [default|mono|gray|color] set render color alloc policy
-s # screen-saver timeout (minutes)
-sp file security policy file
-su disable any save under support
-t # mouse threshold (pixels)
-terminate terminate at server reset
-to # connection time out
-tst disable testing extensions
ttyxx server started from init on /dev/ttyxx
v video blanking for screen-saver
-v screen-saver without video blanking
-wm WhenMapped default backing-store
-x string loads named extension at init time
+xinerama Enable XINERAMA extension
-xinerama Disable XINERAMA extension
-query host-name contact named host for XDMCP
-broadcast broadcast for XDMCP
-indirect host-name contact named host for indirect XDMCP
-port port-num UDP port number to send messages to
-from local-address specify the local address to connect from
-once Terminate server after one session
-class display-class specify display class to send in manage
-displayID display-id manufacturer display ID for request
The X Keyboard Extension adds the following arguments:
-kb disable the X Keyboard Extension
+kb enable the X Keyboard Extension
[+-]accessx [ timeout [ timeout_mask [ feedback [ options_mask] ] ] ]
enable/disable accessx key sequences
-ar1 set XKB autorepeat delay
-ar2 set XKB autorepeat interval
-noloadxkb don't load XKB keymap description
-xkbdb file that contains default XKB keymaps
-xkbmap XKB keyboard description to load on startup
Xvnc Enterprise Edition E4.2.6 - built Jul 27 2006 10:18:17
Copyright (C) 2002-2006 RealVNC Ltd.
See http://www.realvnc.com for information on VNC.
Underlying X server release 40300000, The XFree86 Project, Inc
-screen scrn WxHxD set screen's width, height, depth
-pixdepths list-of-int support given pixmap depths
-linebias n adjust thin line pixelization
-blackpixel n pixel value for black
-whitepixel n pixel value for white
-geometry WxH set screen 0's width, height
-depth D set screen 0's depth
-pixelformat fmt set pixel format (rgbNNN or bgrNNN)
-inetd has been launched from inetd
VNC parameters:
Parameters can be turned on with -<param> or off with -<param>=0
Parameters which take a value can be specified as -<param> <value>
Other valid forms are <param>=<value> -<param>=<value> --<param>=<value>
Parameter names are case-insensitive. The parameters are:
Global Parameters:
Render - Enable the RENDER extension. (default=1)
InetdLogFile - Log file for Xvnc when started by inetd. $DISPLAYNUM will be
replaced by X display number, $USER by user name. If empty
then logging will appear on stderr.
(default=/tmp/Xvnc-inetd-$DISPLAYNUM-$USER.log)
localhost - Only allow connections from localhost (default=0)
desktop - Name of VNC desktop (default=agille01:1 (schuurs))
rfbport - TCP port to listen for RFB protocol (default=0)
rfbwait - Alias for ClientWaitTimeMillis (default=20000)
httpPort - TCP port to listen for HTTP (default=0)
httpd - Directory containing files to serve via HTTP (default=)
rfbauth - Alias for PasswordFile (default=/home/schuurs/.vnc/passwd)
QueryTimeoutRights - Access rights to grant to connections for which the
Accept Connection dialog has timed out. An empty set of
access rights indicates that the connection should be
rejected (default=)
QueryConnectTimeout - Number of seconds to show the Accept Connection dialog
before rejecting the connection (default=10)
DeferUpdate - Time in milliseconds to defer updates (default=40)
PamApplicationName - PAM application policy to use (default=vncserver)
AllowedUsers - Users allowed to connect (default=)
AllowedGroups - Groups allowed to connect (default=)
LazyFlushTimeout - Maximum number of seconds for which attempts should be
made to flush data to an unresponsive client (maximum 49
days) (default=300)
InTransports - List of address families on which to accept connections.
Families are specified by number - see platform networking
headers files for valid values. Special mnemonics IPv4 and
IPv6 are also supported. (default=IPv4)
Password - Obfuscated binary encoding of the password which clients
must supply to access the server (default=)
PasswordFile - Password file for VNC authentication
(default=/home/schuurs/.vnc/passwd)
ReverseSecurityTypes - Specify encryption scheme to use for reverse
connections (None, RA2) (default=RA2)
SecurityTypes - Specify which security scheme(s) to use for incoming
connections (None, VncAuth, RA2, Ticket)
(default=Ticket,RA2)
TicketAuthority - Public key of the ticket-issuing authority (default=)
MiniUpdateSize - Size in bytes to restrict updates on slow links
(default=16384)
MiniUpdates - Whether to send only small updates to avoid problems on slow
links (default=0)
ShareFiles - Enable file sharing with clients. (default=1)
QueryConnect - Prompt the local user to accept or reject incoming
connections. (default=0)
SendCutText - Send clipboard changes to clients. (default=1)
AcceptCutText - Accept clipboard updates from clients. (default=1)
AcceptPointerEvents - Accept pointer press and release events from clients.
(default=1)
AcceptKeyEvents - Accept key press and release events from clients.
(default=1)
DisconnectClients - Disconnect existing clients if an incoming connection is
non-shared. If combined with NeverShared then new
connections will be refused while there is a client active
(default=1)
NeverShared - Never treat incoming connections as shared, regardless of
the client-specified setting (default=0)
AlwaysShared - Always treat incoming connections as shared, regardless of
the client-specified setting (default=0)
CompareFB - Perform pixel comparison on framebuffer to reduce
unnecessary updates (default=1)
ClientWaitTimeMillis - The number of milliseconds to wait for a client which
is no longer responding (default=20000)
IdleTimeout - The number of seconds after which an idle VNC connection
will be dropped (zero means no timeout) (default=3600)
EnableGuestLogin - Enable the Guest login (default=0)
UserPasswdVerifier - Username and password verification schemes to use
(default=VncAuth)
BlacklistTimeout - The initial timeout applied when a host is first
black-listed. The host cannot re-attempt a connection until
the timeout expires. (default=10)
BlacklistThreshold - The number of unauthenticated connection attempts
allowed from any individual host before that host is
black-listed (default=5)
SimpleRegions - Whether to try to simplify update regions containing blocks
of solid colour which haven't actually changed (default=0)
RemapKeys - Comma-separated list of incoming keysyms to remap. Mappings
are expressed as two hex values, prefixed by 0x, and
separated by -> (default=)
InputOnlyPassword - Obfuscated binary password for input-only user (default=)
InputOnlyPasswordFile - Password file for input-only user (default=)
ViewOnlyPassword - Obfuscated binary password for view-only user (default=)
ViewOnlyPasswordFile - Password file for view-only user (default=)
AdminPassword - Obfuscated binary password for admin user (default=)
AdminPasswordFile - Password file for admin user (default=)
GuestPassword - Obfuscated binary password for guest user (default=)
GuestPasswordFile - Password file for guest user (default=)
GuestUserName - User name for guest mode access (default=guest)
GuestAccess - Guest access rights (default=0)
Protocol3.3 - Always use protocol version 3.3 for backwards compatibility
with badly-behaved clients (default=0)
MaxCutText - Maximum length of incoming clipboard text (default=262144)
ZlibLevel - Zlib compression level (default=-1)
RSA_Private_Key_File - File from which to load the RSA private key
(default=$HOME/.vnc/private.key)
RSA_Private_Key - Private key to use for RSA encrypted key exchange
(default=)
RSA_Public_Key - Public key to use for RSA encrypted key exchange (default=)
RSA_Modulus_Bits - Total number of bits to use when generating public and
private keys (default=2048)
MaxOutBufferSize - The maximum number of bytes to buffer internally when
writing to slowclients. Larger values improve concurrency,
smaller values reducememory usage. Changes to this settings
affect new connections only. (default=0)
Log - Specifies which log output should be directed to which
target logger, and the level of output to log. Format is
<log>:<target>:<level>[, ...]. (default=*:stderr:30)
schuurs@agille01: $
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