vncserver 和gnome_access的设置
时间：2006-08-08 来源：适兕
再一次应证了Unix学习的智慧！RTFM （Read The Fucking Manual）！
当一台新的机器出现时，我决定装RED HAT enterprise AS4,我不去享受订阅服务，只是它的支持硬件的质量，省去不少麻烦！而这台机器需要一家RSV来控制，那么给他个ssh\rlogin\telnet是不行的，因为要部署Bea weblogic下的应用程序，所以我来配置。
对于X.org或XFree86的理解是肤浅的。任何的linux对我来说都是艰难的！因为我是一个未入门者。
原则1：不要在服务器上作实验！
我在我的桌面端Fedora core5下作所有的前提操作！首先我去web上查阅，使用google.cn即谷歌！搜索到了几篇不错的文章，然而均未能完成我的目标。倒是在uplinux.net上看了fedora5的上手指南，弄了会gnome_access.很简单！只需要勾选几个选项！
最后我读了如下的内容：
vncserver(1) Virtual Network Computing vncserver(1)
NAME
vncserver - start or stop a VNC server
SYNOPSIS
vncserver [:display#] [-name desktop-name] [-geometry widthxheight]
[-depth depth] [-pixelformat format] [Xvnc-options...]
vncserver -kill :display#
DESCRIPTION
vncserver is used to start a VNC (Virtual Network Computing) desktop.
vncserver is a Perl script which simplifies the process of starting an
Xvnc server. It runs Xvnc with appropriate options and starts some X
applications to be displayed in the VNC desktop.
vncserver can be run with no options at all. In this case it will
choose the first available display number (usually :1), start Xvnc as
that display, and run a couple of basic applications to get you
started. You can also specify the display number, in which case it will
use that number if it is available and exit if not, eg:
vncserver :13
Editing the file $HOME/.vnc/xstartup allows you to change the applica-
tions run at startup (but note that this will not affect an existing
desktop).
OPTIONS
You can get a list of options by giving -h as an option to vncserver.
In addition to the options listed below, any unrecognised options will
be passed to Xvnc - see the Xvnc man page, or "Xvnc -help" for details.
-name desktop-name
Each desktop has a name which may be displayed by the viewer. It
defaults to "host:display# (username)" but you can change it
with this option. It is passed in to the xstartup script via
the $VNCDESKTOP environment variable, allowing you to run a dif-
ferent set of applications according to the name of the desktop.
-geometry widthxheight
Specify the size of the desktop to be created. Default is
1024x768.
-depth depth
Specify the pixel depth in bits of the desktop to be created.
Default is 16, other possible values are 8, 15 and 24 - anything
else is likely to cause strange behaviour by applications.
-pixelformat format
Specify pixel format for server to use (BGRnnn or RGBnnn). The
default for depth 8 is BGR233 (meaning the most significant two
bits represent blue, the next three green, and the least signif-
icant three represent red), the default for depth 16 is RGB565
and for depth 24 is RGB888.
-cc 3 As an alternative to the default TrueColor visual, this allows
you to run an Xvnc server with a PseudoColor visual (i.e. one
which uses a colour map or palette), which can be useful for
running some old X applications which only work on such a dis-
play. Values other than 3 (PseudoColor) and 4 (TrueColor) for
the -cc option may result in strange behaviour, and PseudoColor
desktops must be 8 bits deep.
-nohttpd
Do not instruct Xvnc to run a mini-httpd if the VNC Java applet
is found.
-kill :display#
This kills a VNC desktop previously started with vncserver. It
does this by killing the Xvnc process, whose process ID is
stored in the file "$HOME/.vnc/host:display#.pid". It actually
ignores anything preceding a ":" in its argument. This can be
useful so you can write "vncserver -kill $DISPLAY", for example
at the end of your xstartup file after a particular application
exits.
FILES
Several VNC-related files are found in the directory $HOME/.vnc:
$HOME/.vnc/xstartup
A shell script specifying X applications to be run when a VNC
desktop is started. If it doesn’t exist, vncserver will create
a new one which runs a couple of basic applications.
$HOME/.vnc/passwd
The VNC password file.
$HOME/.vnc/host:display#.log
The log file for Xvnc and applications started in xstartup.
$HOME/.vnc/host:display#.pid
a new one which runs a couple of basic applications.
$HOME/.vnc/passwd
The VNC password file.
$HOME/.vnc/host:display#.log
The log file for Xvnc and applications started in xstartup.
$HOME/.vnc/host:display#.pid
Identifies the Xvnc process ID, used by the -kill option.
SEE ALSO
vncviewer(1), vncpasswd(1), vncconfig(1), Xvnc(1)
http://www.realvnc.com
AUTHOR
Tristan Richardson, RealVNC Ltd.
VNC was originally developed by the RealVNC team while at Olivetti
Research Ltd / AT&T Laboratories Cambridge. It is now being maintained
by RealVNC Ltd. See http://www.realvnc.com for details.
RealVNC Ltd 03 Mar 2005 vncserver(1)
看完之后，照着option一一敲上，（此间需要输入vncpasswd)修改$HOME/.vnc/xstartup内容如下：
#!/bin/sh
# Uncomment the following two lines for normal desktop:
unset SESSION_MANAGER
exec /etc/X11/xinit/xinitrc
[ -x /etc/vnc/xstartup ] && exec /etc/vnc/xstartup
[ -r $HOME/.Xresources ] && xrdb $HOME/.Xresources
xsetroot -solid grey
vncconfig -iconic &
xterm -geometry 80x24+10+10 -ls -title "$VNCDESKTOP Desktop" &
#twm &
gnome-session
我运行了两次vncserver,不知为何修改xstartup后无任何效果，还是默认的twm界面，再次运行后就可以看到gnome的界面了。
使用经验：1、重新启动系统后，除gnome_access之外，vncserver均不能登录！
2、在远程登录中不可以logout服务！
3、无论服务处于什么状态，注销、休眠，远程登录过去是独立的界面，尽管是一个用户！
当一台新的机器出现时，我决定装RED HAT enterprise AS4,我不去享受订阅服务，只是它的支持硬件的质量，省去不少麻烦！而这台机器需要一家RSV来控制，那么给他个ssh\rlogin\telnet是不行的，因为要部署Bea weblogic下的应用程序，所以我来配置。
对于X.org或XFree86的理解是肤浅的。任何的linux对我来说都是艰难的！因为我是一个未入门者。
原则1：不要在服务器上作实验！
我在我的桌面端Fedora core5下作所有的前提操作！首先我去web上查阅，使用google.cn即谷歌！搜索到了几篇不错的文章，然而均未能完成我的目标。倒是在uplinux.net上看了fedora5的上手指南，弄了会gnome_access.很简单！只需要勾选几个选项！
最后我读了如下的内容：
vncserver(1) Virtual Network Computing vncserver(1)
NAME
vncserver - start or stop a VNC server
SYNOPSIS
vncserver [:display#] [-name desktop-name] [-geometry widthxheight]
[-depth depth] [-pixelformat format] [Xvnc-options...]
vncserver -kill :display#
DESCRIPTION
vncserver is used to start a VNC (Virtual Network Computing) desktop.
vncserver is a Perl script which simplifies the process of starting an
Xvnc server. It runs Xvnc with appropriate options and starts some X
applications to be displayed in the VNC desktop.
vncserver can be run with no options at all. In this case it will
choose the first available display number (usually :1), start Xvnc as
that display, and run a couple of basic applications to get you
started. You can also specify the display number, in which case it will
use that number if it is available and exit if not, eg:
vncserver :13
Editing the file $HOME/.vnc/xstartup allows you to change the applica-
tions run at startup (but note that this will not affect an existing
desktop).
OPTIONS
You can get a list of options by giving -h as an option to vncserver.
In addition to the options listed below, any unrecognised options will
be passed to Xvnc - see the Xvnc man page, or "Xvnc -help" for details.
-name desktop-name
Each desktop has a name which may be displayed by the viewer. It
defaults to "host:display# (username)" but you can change it
with this option. It is passed in to the xstartup script via
the $VNCDESKTOP environment variable, allowing you to run a dif-
ferent set of applications according to the name of the desktop.
-geometry widthxheight
Specify the size of the desktop to be created. Default is
1024x768.
-depth depth
Specify the pixel depth in bits of the desktop to be created.
Default is 16, other possible values are 8, 15 and 24 - anything
else is likely to cause strange behaviour by applications.
-pixelformat format
Specify pixel format for server to use (BGRnnn or RGBnnn). The
default for depth 8 is BGR233 (meaning the most significant two
bits represent blue, the next three green, and the least signif-
icant three represent red), the default for depth 16 is RGB565
and for depth 24 is RGB888.
-cc 3 As an alternative to the default TrueColor visual, this allows
you to run an Xvnc server with a PseudoColor visual (i.e. one
which uses a colour map or palette), which can be useful for
running some old X applications which only work on such a dis-
play. Values other than 3 (PseudoColor) and 4 (TrueColor) for
the -cc option may result in strange behaviour, and PseudoColor
desktops must be 8 bits deep.
-nohttpd
Do not instruct Xvnc to run a mini-httpd if the VNC Java applet
is found.
-kill :display#
This kills a VNC desktop previously started with vncserver. It
does this by killing the Xvnc process, whose process ID is
stored in the file "$HOME/.vnc/host:display#.pid". It actually
ignores anything preceding a ":" in its argument. This can be
useful so you can write "vncserver -kill $DISPLAY", for example
at the end of your xstartup file after a particular application
exits.
FILES
Several VNC-related files are found in the directory $HOME/.vnc:
$HOME/.vnc/xstartup
A shell script specifying X applications to be run when a VNC
desktop is started. If it doesn’t exist, vncserver will create
a new one which runs a couple of basic applications.
$HOME/.vnc/passwd
The VNC password file.
$HOME/.vnc/host:display#.log
The log file for Xvnc and applications started in xstartup.
$HOME/.vnc/host:display#.pid
a new one which runs a couple of basic applications.
$HOME/.vnc/passwd
The VNC password file.
$HOME/.vnc/host:display#.log
The log file for Xvnc and applications started in xstartup.
$HOME/.vnc/host:display#.pid
Identifies the Xvnc process ID, used by the -kill option.
SEE ALSO
vncviewer(1), vncpasswd(1), vncconfig(1), Xvnc(1)
http://www.realvnc.com
AUTHOR
Tristan Richardson, RealVNC Ltd.
VNC was originally developed by the RealVNC team while at Olivetti
Research Ltd / AT&T Laboratories Cambridge. It is now being maintained
by RealVNC Ltd. See http://www.realvnc.com for details.
RealVNC Ltd 03 Mar 2005 vncserver(1)
看完之后，照着option一一敲上，（此间需要输入vncpasswd)修改$HOME/.vnc/xstartup内容如下：
#!/bin/sh
# Uncomment the following two lines for normal desktop:
unset SESSION_MANAGER
exec /etc/X11/xinit/xinitrc
[ -x /etc/vnc/xstartup ] && exec /etc/vnc/xstartup
[ -r $HOME/.Xresources ] && xrdb $HOME/.Xresources
xsetroot -solid grey
vncconfig -iconic &
xterm -geometry 80x24+10+10 -ls -title "$VNCDESKTOP Desktop" &
#twm &
gnome-session
我运行了两次vncserver,不知为何修改xstartup后无任何效果，还是默认的twm界面，再次运行后就可以看到gnome的界面了。
使用经验：1、重新启动系统后，除gnome_access之外，vncserver均不能登录！
2、在远程登录中不可以logout服务！
3、无论服务处于什么状态，注销、休眠，远程登录过去是独立的界面，尽管是一个用户！
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