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xserver-xephyr

Langue: en

Version: 313982 (ubuntu - 07/07/09)

Section: 1 (Commandes utilisateur)

NAME

Xephyr - X server outputting to a window on a pre-existing X display

SYNOPSIS

Xephyr [:display] [option R ... ]

DESCRIPTION

Xephyr is a kdrive server that outputs to a window on a pre-existing "host" X display. Think Xnest but with support for modern extensions like composite, damage and randr.

Unlike Xnest which is an X proxy, i.e. limited to the capabilities of the host X server, Xephyr is a real X server which uses the host X server window as "framebuffer" via fast SHM XImages.

It also has support for "visually" debugging what the server is
painting.

OPTIONS

-a#
Mouse acceleration (pixels)
-ac
Disable access control restrictions
-audit int
Set audit trail level
-auth file
Select authorization file
-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)
-ccint
Default color visual class
-core
Generate core dump on fatal error
-dpiint
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
-ldint
Limit data space to N Kb
-lfint
Limit number of open files to N
-lsint
Limit stack space to N Kb
-logo
Enable logo in screen saver
nologo
Disable logo in screen saver
-nolistenstring
Do not listen on protocol
-noreset
Do not reset after last client exists
-reset
Reset after last client exists
-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
-retro
Start with classic stipple and cursor
-s#
Screen-saver timeout (minutes)
-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
-wr
Create root window with white background
-xstring
Loads named extension at init time
-maxbigreqsize
Set maximal bigrequest size
+xinerama
Enable XINERAMA extension
-xinerama
Disable XINERAMA extension
-dumbSched
Disable smart scheduling, enable old behavior
-schedIntervalint
Set scheduler interval in msec
+extensionname
Enable extension
-extensionname
Disable extension
-queryhost-name
Contact named host for XDMCP
-broadcast
Broadcast for XDMCP
-multicast[addr[hops]]
IPv6 multicast for XDMCP
-indirect <host-name>
Contact named host for indirect XDMCP
-portport-num
UDP port number to send messages to
-fromlocal-address
Specify the local address to connect from
-once
Terminate server after one session
-classdisplay-class
Specify display class to send in manage
-cookiexdm-auth-bits
Specify the magic cookie for XDMCP
-displayIDdisplay-id
Manufacturer display ID for request
-kb
Disable the X Keyboard Extension
+kb
Enable the X Keyboard Extension
[+-]accessx[timeout[timeout_mask[feedback[options_mask]]]]
Enable/disable accessx key sequences
-ardelay
Set XKB autorepeat delay
-arinterval
Set XKB autorepeat interval

TINYX DEVICE DEPENDENT USAGE

-cardpcmcia
Use PCMCIA card as additional screen
-screen WIDTH[/WIDTHMM]xHEIGHT[/HEIGHTMM][@ROTATION][X][Y]
[xDEPTH/BPP{,DEPTH/BPP}[xFREQ]]
Specify screen characteristics
-rgbargb/bgr/vrgb/vbgr/none
Specify subpixel ordering for LCD panels
-mousedriver[,n,,options]
Specify the pointer driver and its options (n is the number of buttons)
-keybddriver[,,options]
Specify the keyboard driver and its options
-zaphod
Disable cursor screen switching
-2button
Emulate 3 button mouse
-3button
Disable 3 button mouse emulation
-rawcoord
Do not transform pointer coordinates on rotation
-dumb
Disable hardware acceleration
-softCursor
Force software cursor
-videoTest
Start the server, pause momentarily and exit
-origin X,Y
Locates the next screen in the the virtual screen (Xinerama)
-switchCmd
Command to execute on vt switch
-zap
Terminate server on Ctrl+Alt+Backspace
vtxx
Use virtual terminal xx instead of the next available

XEPHYR OPTION USAGE

-parent <XID>
Use existing window as Xephyr root win
-host-cursor
Re-use exisiting X host server cursor
-fullscreen
Attempt to run Xephyr fullscreen
-grayscale
Simulate 8bit grayscale
-fakexa
Simulate acceleration using software rendering
-verbosity <level>
Set log verbosity level
-nodri
Do not use DRI
-noxv
Do not use XV
-name [name]
Define the name in the WM_CLASS property

SIGNALS

Send a SIGUSR1 to the server (e.g. pkill -USR1 Xephyr) to toggle the debugging mode. In this mode red rectangles are painted to screen areas getting painted before painting the actual content. The delay between this can be altered by setting a XEPHYR_PAUSE env var to a value in micro seconds.

CAVEATS

Rotated displays are currently updated via full blits. This is slower than a normal orientated display. Debug mode will therefore not be of much use rotated.
The -host-cursor cursor is static in its appearance.
The build gets a warning about nanosleep. I think the various -D build flags are causing this. I have not figured as yet how to work round it. It does not appear to break anything however.
Keyboard handling is basic but works.
Mouse button 5 probably wont work.

SEE ALSO

X(7), Xserver(1), xdm(1), xinit(1), xorg.conf(5), xorgconfig(1), xorgcfg(1), xvidtune(1), apm(4), ati(4), chips(4), cirrus(4), cyrix(4), fbdev(4), glide(4), glint(4), i128(4), i740(4), i810(4), imstt(4), mga(4), neomagic(4), nsc(4), nv(4), r128(4), rendition(4), s3virge(4), siliconmotion(4), sis(4), sunbw2(4), suncg14(4), suncg3(4), suncg6(4), sunffb(4), sunleo(4), suntcx(4), tdfx(4), tga(4), trident(4), tseng(4), v4l(4), vesa(4), vga(4), vmware(4),

AUTHOR

Xephyr was written by Matthew Allum <mallum@o-hand.com> 2004.

This man page was written by Charlie Smotherman for Matthew Allum and the Debian project.

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