一 : 系统自带的远程桌面怎么用?
远程桌面大家都不陌生了，在日常工作学习中如果在办公室想操作家里的电脑，或者电脑出现问题求助于别人，让别人远程操作你的电脑来解决问题，最好的办法莫过于使用远程桌面功能了，接下来就分享一下怎么使用系统自带的远程桌面功能。
工具/原料
电脑
网络
方法/步骤
远程桌面连接是有前提的，如果你让别人连接你的电脑，首先你要打开电脑的远程功能，其次就是给对方一个可登录的帐号，反之如果你连接别人需要让对方开启远程功能和索要授权的帐号和密码，
（受控方）开启步骤如下，在我的电脑（如果是Windows7操作系统叫计算机）上鼠标右键，找到属性菜单并单击。
在属性面板中选择远程标签，在远程菜单区域找到远程桌面前的方框并勾选，然后点击确定按钮。
（控制方）打开远程桌面功能，打开方法有以下两种，一个是用命令方式，一个是在开始菜单的附件中。两种方法请看下图所示。
打开远程桌面窗口后输入受控方的ip地址，或者是域名，确认无误后点击连接按钮，连接后需要输入受控方电脑的登录账户和密码。输入后即可像操作本地电脑一样操作远程电脑。
注意事项
两个要点，开启远程功能和系统登录的权限。
以上就是系统自带的远程桌面怎么用的方法介绍，大家学会了吗？希望能对大家有所帮助！
二 : 使用Xmanager远程桌面LINUX系统
原创作品，出自 “深蓝的blog” 博客，欢迎转载，转载时请务必注明以下出处，否则追究版权法律责任。（www.61k.com)
深蓝的blog：http://blog.csdn.net/huangyanlong/article/details/40979611
实验环境
实验平台 | WIN7 旗舰版 64bit |
虚拟机软件 | VM VirtualBox 4.2 |
虚拟操作系统 | CentOS5.6 64bit |
远程桌面软件 | Xmanager Enterprise 4 |
一、总结过程记录
（1）、修改custom.conf
[root@xckydb ~]# vi /etc/gdm/custom.conf
--向xdmcp添加信息，把Enable=0改为Enable=1
（2）、修改Xaccess
[root@xckydb ~]# vi /usr/share/config/kdm/Xaccess
--把“#*#any host can get a login window”这行信息前#去掉
（3）、修改kdmrc
[root@xckydb ~]# vi /usr/share/config/kdm/kdmrc
--把Xdmcp下将Enable改为true（Enable=true）
（4）、重启系统
[root@xckydb ~]# reboot
（5）、查看177端口
[root@xckydb ~]# netstat -na|grep 177
--XDMCP服务对应的端口为177
udp 0 0 0.0.0.0:177 0.0.0.0:*
（6）、使用Xmanager软件Xbrowser实现远程桌面LINUX系统
包括配置文件的全部内容及操作截图，参考如下“详细过程记录”。
二、详细过程记录
1. 修改LINUX系统设置
（1）、修改custom.conf
[root@xckydb ~]# vi /etc/gdm/custom.conf
--向xdmcp添加信息，把Enable=0改为Enable=1
--custom.conf文件内全部内容如下
GDM Configuration Customization file.## This file is the appropriate place for specifying your customizations to the# GDM configuration. If you run gdmsetup, it will automatically edit this# file for you and will cause the daemon and any running GDM GUI programs to# automatically update with the new configuration. Not all configuration# options are supported by gdmsetup, so to modify some values it may be# necessary to modify this file directly by hand.## Older versions of GDM used the "gdm.conf" file for configuration. If your# system has an old gdm.conf file on the system, it will be used instead of# this file - so changes made to this file will not take effect. Consider# migrating your configuration to this file and removing the gdm.conf file.## To hand-edit this file, simply add or modify the key=value combination in# the appropriate section in the template below. Refer to the comments in the# /usr/share/gdm/defaults.conf file for information about each option. Also# refer to the reference documentation.## If you hand edit a GDM configuration file, you should run the following# command to get the GDM daemon to notice the change. Any running GDM GUI# programs will also be notified to update with the new configuration.## gdmflexiserver --command="UPDATE_CONFIG <configuration key>"## e.g, the "Enable" key in the "[debug]" section would be "debug/Enable".## You can also run gdm-restart or gdm-safe-restart to cause GDM to restart and# re-read the new configuration settings. You can also restart GDM by sending# a HUP or USR1 signal to the daemon. HUP behaves like gdm-restart and causes# any user session started by GDM to exit immediately while USR1 behaves like# gdm-safe-restart and will wait until all users log out before restarting GDM.## For full reference documentation see the gnome help browser under# GNOME|System category. You can also find the docs in HTML form on# http://www.gnome.org/projects/gdm/## NOTE: Lines that begin with "#" are considered comments.## Have fun![daemon][security][xdmcp]Enable=1</span>[gui][greeter][chooser][debug]# Note that to disable servers defined in the defaults.conf file (such as# 0=Standard, you must put a line in this file that says 0=inactive, as# described in the Configuration section of the GDM documentation.#[servers]# Also note, that if you redefine a [server-foo] section, then GDM will# use the definition in this file, not the defaults.conf file. It is# currently not possible to disable a [server-foo] section defined# in the defaults.conf file.#
（2）、修改Xaccess
[root@xckydb ~]# vi /usr/share/config/kdm/Xaccess
--把“#*#any host can get a login window”这行信息前#去掉
改之前：
改之后：
--Xaccess文件内全部内容如下
# $XdotOrg: app/xdm/config/Xaccess,v 1.2 2004/04/23 19:54:43 eich Exp $# $Xorg: Xaccess,v 1.3 2000/08/17 19:54:17 cpqbld Exp $# $XFree86: xc/programs/xdm/config/Xaccess,v 1.4 2003/07/09 15:27:40 tsi Exp $## Access control file for XDMCP connections## To control Direct and Broadcast access:## pattern## To control Indirect queries:## pattern list of hostnames and/or macros ...## To use the chooser:## pattern CHOOSER BROADCAST## or## pattern CHOOSER list of hostnames and/or macros ...## To define macros:## %name list of hosts ...## To control which addresses xdm listens for requests on:## LISTEN address [list of multicast groups ... ]## The first form tells xdm which displays to respond to itself.# The second form tells xdm to forward indirect queries from hosts matching# the specified pattern to the indicated list of hosts.# The third form tells xdm to handle indirect queries using the chooser;# the chooser is directed to send its own queries out via the broadcast# address and display the results on the terminal.# The fourth form is similar to the third, except instead of using the# broadcast address, it sends DirectQuerys to each of the hosts in the list# The fifth form tells xdm which addresses to listen for incoming connections# on. If present, xdm will only listen for connections on the specified# interfaces and/or multicast groups.## In all cases, xdm uses the first entry which matches the terminal;# for IndirectQuery messages only entries with right hand sides can# match, for Direct and Broadcast Query messages, only entries without# right hand sides can match.#* #any host can get a login window## To hardwire a specific terminal to a specific host, you can# leave the terminal sending indirect queries to this host, and# use an entry of the form:##terminal-a host-a## The nicest way to run the chooser is to just ask it to broadcast# requests to the network - that way new hosts show up automatically.# Sometimes, however, the chooser can't figure out how to broadcast,# so this may not work in all environments.##* CHOOSER BROADCAST #any indirect host can get a chooser## If you'd prefer to configure the set of hosts each terminal sees,# then just uncomment these lines (and comment the CHOOSER line above)# and edit the %hostlist line as appropriate##%hostlist host-a host-b#* CHOOSER %hostlist ### If you have a machine with multiple network interfaces or IP addresses# you can control which interfaces accept XDMCP packets by listing a LISTEN# line for each interface you want to listen on. You can additionally list# one or more multicast groups after each address to listen on those groups# on that address.## If no LISTEN is specified, the default is the same as "LISTEN *" - listen on# all unicast interfaces, but not for multicast packets. If any LISTEN lines# are specified, then only the listed interfaces will be listened on.## IANA has assigned FF0X:0:0:0:0:0:0:12B as the permanently assigned# multicast addresses for XDMCP, where X in the prefix may be replaced# by any valid scope identifier, such as 1 for Node-Local, 2 for Link-Local,# 5 for Site-Local, and so on. The default is equivalent to the example shown# here using the Link-Local version to most closely match the old IPv4 subnet# broadcast behavior.## LISTEN * ff02:0:0:0:0:0:0:12b# This example shows listening for multicast on all scopes up to site-local## LISTEN * ff01:0:0:0:0:0:0:12b ff02:0:0:0:0:0:0:12b ff03:0:0:0:0:0:0:12b ff04:0:0:0:0:0:0:12b ff05:0:0:0:0:0:0:12b
（3）、修改kdmrc
[root@xckydb ~]# vi /usr/share/config/kdm/kdmrc
--把Xdmcp下将Enable改为true（Enable=true）
--kdmrc文件内全部内容如下
# KDM master configuration file## Definition: the greeter is the login dialog, i.e., the part of KDM# which the user sees.## You can configure every X-display individually.# Every display has a display name, which consists of a host name# (which is empty for local displays specified in {Static|Reserve}Servers),# a colon, and a display number. Additionally, a display belongs to a# display class (which can be ignored in most cases; the control center# does not support this feature at all).# Sections with display-specific settings have the formal syntax# "[X-" host [":" number [ "_" class ]] "-" sub-section "]"# You can use the "*" wildcard for host, number, and class. You may omit# trailing components; they are assumed to be "*" then.# The host part may be a domain specification like ".inf.tu-dresden.de".# It may also be "+", which means non-empty, i.e. remote displays only.# From which section a setting is actually taken is determined by these# rules:# - an exact match takes precedence over a partial match (for the host part),# which in turn takes precedence over a wildcard ("+" taking precedence# over "*")# - precedence decreases from left to right for equally exact matches# Example: display name "myhost:0", class "dpy".# [X-myhost:0_dpy] precedes# [X-myhost:0_*] (same as [X-myhost:0]) precedes# [X-myhost:*_dpy] precedes# [X-myhost:*_*] (same as [X-myhost]) precedes# [X-+:0_dpy] precedes# [X-*:0_dpy] precedes# [X-*:0_*] (same as [X-*:0]) precedes# [X-*:*_*] (same as [X-*])# These sections do NOT match this display:# [X-hishost], [X-myhost:0_dec], [X-*:1], [X-:*]# If a setting is not found in any matching section, the default is used.## Every comment applies to the following section or key. Note that all# comments will be lost if you change this file with the kcontrol frontend.# The defaults refer to KDM's built-in values, not anything set in this file.## Special characters need to be backslash-escaped (leading and trailing# spaces (\s), tab (\t), linefeed (\n), carriage return (\r) and the# backslash itself (\\)).# In lists, fields are separated with commas without whitespace in between.# Some command strings are subject to simplified sh-style word splitting:# single quotes (') and double quotes (") have the usual meaning; the backslash# quotes everything (not only special characters). Note that the backslashes# need to be doubled because of the two levels of quoting.[General]# Where KDM should store its PID. Default is "" (don't store)PidFile=/var/run/kdm.pid# Whether KDM should lock the pid file to prevent having multiple KDM# instances running at once. Leave it "true", unless you're brave.#LockPidFile=false# Where to store authorization files. Default is /var/run/xauth#AuthDir=/tmp# Whether KDM should automatically re-read configuration files, if it# finds them having changed. Just keep it "true".#AutoRescan=false# Additional environment variables KDM should pass on to kdm_config, kdm_greet,# Xsetup, Xstartup, Xsession, and Xreset. LD_LIBRARY_PATH is a good candidate;# otherwise it shouldn't be necessary very often.#ExportList=SOME_VAR,ANOTHER_IMPORTANT_VAR# Where the command FiFos should be created. Make it empty to disable# the FiFos. Default is /var/run/xdmctl#FifoDir=/tmp# To which group the command FiFos should belong.# Default is -1 (effectively root)#FifoGroup=xdmctl# This option exists solely for the purpose of a clean automatic upgrade.# Do not even think about changing it!ConfigVersion=2.3# List of permanent displays. Displays with a hostname are foreign. A display# class may be specified separated by an underscore.# Default is ":0"StaticServers=:0# List of on-demand displays. See StaticServers for syntax.# Default is ""ReserveServers=:1,:2,:3# VTs to allocate to X-servers. A negative number means that the VT will be# used only if it is free. If all VTs in this list are used up, the next free# one greater than the last one in this list will be allocated.# Default is ""# ServerVTs=-7# TTYs (without /dev/) to monitor for activity while in console mode.# Default is ""ConsoleTTYs=tty1,tty2,tty3,tty4,tty5,tty6[Xdmcp]Enable=true# Whether KDM should listen to XDMCP requests. Default is true.# Enable=false# The UDP port KDM should listen on for XDMCP requests. Don't change the 177.#Port=177# File with the private keys of X-terminals. Required for XDM authentication.# Default is /usr/share/config/kdm/kdmkeys#KeyFile=# XDMCP access control file in the usual XDM-Xaccess format.# Default is /usr/share/config/kdm/Xaccess# XXX i'm planning to absorb this file into kdmrc, but i'm not sure how to# do this best.Xaccess=/usr/share/config/kdm/Xaccess# Number of seconds to wait for display to respond after the user has# selected a host from the chooser. Default is 15.#ChoiceTimeout=10# Strip domain name from remote display names if it is equal to the local# domain. Default is true#RemoveDomainname=false# Use the numeric IP address of the incoming connection instead of the# host name. Use this on multihomed hosts. Default is false#SourceAddress=true# The program which is invoked to dynamically generate replies to XDMCP# BroadcastQuery requests.# By default no program is invoked and "Willing to manage" is sent.Willing=/usr/share/config/kdm/Xwilling[Shutdown]# The command to run to halt the system. Default is /sbin/haltHaltCmd=/sbin/poweroff# The command to run to reboot the system. Default is /sbin/reboot#RebootCmd=# Whether one can shut down the system via the global command FiFo.# Default is false#AllowFifo=true# Whether one can abort still running sessions when shutting down the system# via the global command FiFo. Default is true#AllowFifoNow=false# Offer LiLo boot options in shutdown dialog. Default is false#UseLilo=true# The location of the LiLo binary. Default is /sbin/lilo#LiloCmd=# The location of the LiLo map file. Default is /boot/map#LiloMap=# Rough estimations about how many seconds KDM will spend at most on# - opening a connection to the X-server (OpenTime):# OpenRepeat * (OpenTimeout + OpenDelay)# - starting a local X-server (SeverTime): ServerAttempts * ServerTimeout# - starting a display:# - local display: StartAttempts * (ServerTime + OpenTime)# - remote/foreign display: StartAttempts * OpenTime# Core config for all displays[X-*-Core]# How long to wait before retrying to start the display after various# errors. Default is 15#OpenDelay=# How long to wait before timing out XOpenDisplay. Default is 120#OpenTimeout=# How often to try the XOpenDisplay. Default is 5#OpenRepeat=# Try at most that many times to start a display. If this fails, the display# is disabled. Default is 4#StartAttempts=# The StartAttempt counter is reset after that many seconds. Default is 30#StartInterval=# Ping remote display every that many minutes. Default is 5#PingInterval=# Wait for a Pong that many minutes. Default is 5#PingTimeout=# Restart instead of resetting the local X-server after session exit.# Use it if the server leaks memory, etc. Default is false#TerminateServer=true# The signal needed to reset the local X-server. Default is 1 (SIGHUP)#ResetSignal=# The signal needed to terminate the local X-server. Default is 15 (SIGTERM)#TermSignal=# Need to reset the X-server to make it read initial Xauth file.# Default is false#ResetForAuth=true# Create X-authorizations for local displays. Default is true#Authorize=false# Which X-authorization mechanisms should be used.# Default is MIT-MAGIC-COOKIE-1#AuthNames=# The name of this X-server's Xauth file. Default is "", which means, that# a random name in the AuthDir directory will be used.#AuthFile=# Specify a file with X-resources for the greeter, chooser and background.# The KDE frontend doesn't care for this, so you don't need it unless you# use an alternative chooser or another background generator than kdmdesktop.# Default is ""Resources=/etc/X11/Xresources# The xrdb program to use to read the above specified recources.# Default is /usr/X11R6/bin/xrdbXrdb=/usr/bin/xrdb# A program to run before the greeter is shown. You should start kdmdesktop# there. Also, xconsole can be started by this script.# Default is ""Setup=/usr/share/config/kdm/Xsetup# A program to run before a user session starts. You should invoke sessreg# there and optionally change the ownership of the console, etc.# Default is ""Startup=/usr/share/config/kdm/Xstartup# A program to run after a user session exits. You should invoke sessreg# there and optionally change the ownership of the console, etc.# Default is ""Reset=/usr/share/config/kdm/Xreset# The program which is run as the user which logs in. It is supposed to# interpret the session argument (see SessionsDirs) and start an appropriate# session according to it.# Default is /usr/X11R6/bin/xterm -ls -TSession=/etc/X11/xinit/XsessionSessionsDirs=/usr/share/xsessions# The program to run if Session fails.# Default is /usr/X11R6/bin/xterm#FailsafeClient=# The PATH for the Session program. Default is# /bin:/usr/bin:/usr/X11R6/bin:/usr/local/bin#UserPath=# The PATH for Setup, Startup and Reset, etc. Default is# /sbin:/usr/sbin:/bin:/usr/bin:/usr/X11R6/bin:/usr/local/bin#SystemPath=# The default system shell. Default is /bin/sh#SystemShell=/bin/bash# Where to put the user's X-server authorization file if ~/.Xauthority# cannot be created. Default is /tmp#UserAuthDir=# The host chooser program to use.# Default is /usr/bin/chooser# XXX this is going to be integrated into the greeter (probably).#Chooser=# If "true", KDM will automatically restart a session after an X-server# crash (or if it is killed by Alt-Ctrl-BackSpace). Note, that enabling# this opens a security hole: a secured display lock can be circumvented.# Default is falseAutoReLogin=false# Allow root logins? Default is trueAllowRootLogin=false# Allow to log in, when user has set an empty password? Default is trueAllowNullPasswd=true# Who is allowed to shut down the system. This applies both to the# greeter and to the command FiFo. Default is All# "None" - no "Shutdown..." button is shown at all# "Root" - the root password must be entered to shut down# "All" - everybody can shut down the machine (Default)AllowShutdown=Root# Who is allowed to abort all still running sessions when shutting down.# Same options as for AllowShutdown. Default is All#AllowSdForceNow=Root# The default choice for the shutdown condition/timing.# "Schedule" - shutdown after all sessions exit (possibly at once) (Default)# "TryNow" - shutdown, if no sessions are open, otherwise do nothing# "ForceNow" - shutdown unconditionally#DefaultSdMode=ForceNow# The file (relative to $HOME) to redirect the session output to. This is# a printf format string; one %s will be replaced with the display name.# Default is ".xsession-errors"ClientLogFile=.xsession-errors-%s# Greeter config for all displays[X-*-Greeter]# Widget Style of the greeter:# Default, Windows, Platinum, Motif, MotifPlus, CDE, SGI, and any styles you# may have installed, e.g., HighColor; Default is "Default"GUIStyle=PlastikColorScheme=Plastik# What should be shown righthand of the input lines:# "Logo" - the image specified by LogoPixmap (Default)# "Clock" - a neat analog clock# "None" - nothingLogoArea=Clock# The image to show when LogoArea=Logo. Default is kdelogo.png#LogoPixmap=# Normally, the greeter is centered on the screen. Use this, if you want# it to appear elsewhere on the screen. Default is false#GreeterPosFixed=false#GreeterPosX=200#GreeterPosY=100# The headline in the greeter.# The following character pairs are replaced:# - %d -> current display# - %h -> host name, possibly with domain name# - %n -> node name, most probably the host name without domain name# - %s -> the operating system# - %r -> the operating system's version# - %m -> the machine (hardware) type# - %% -> a single %# Default is "Welcome to %s at %n"#GreetString=K Desktop Environment (%n)# The font for the headline. Default is charter,24,boldGreetFont=Sans,12,-1,5,75,0,0,0,0,0# The normal font used in the greeter. Default is helvetica,12StdFont=Sans,10,-1,5,50,0,0,0,0,0# The font used for the "Login Failed" message. Default is helvetica,12,boldFailFont=Sans,10,-1,5,75,0,0,0,0,0# Whether the fonts shown in the greeter should be antialiased. Default is falseAntiAliasing=true# What to do with the Num Lock modifier for the time the greeter is running:# "On" -> - turn on# "Off" -> - turn off# "Keep" -> - don't change the state (Default)#NumLock=Off# Enable autocompletion in the user name line edit.# Default is false#UserCompletion=true# Enable user list (names along with images) in the greeter.# Default is trueUserList=false# Language to use in the greeter. Default is en_US# Language=de_DE# Specify, which user names (along with pictures) should be shown in the# greeter.# "NotHidden" - all users except those listed in HiddenUsers (Default)# "Selected" - only the users listed in SelectedUsers# "None" - no user list will be shown at all# ShowUsers=None# For ShowUsers=Selected. Default is ""#SelectedUsers=# For ShowUsers=NotHidden. Default is ""HiddenUsers=adm,alias,amanda,apache,bin,bind,daemon,exim,falken,ftp,games,gdm,gopher,halt,httpd,ident,ingres,kmem,lp,mail,mailnull,man,mta,mysql,named,news,nfsnobody,nobody,nscd,ntp,operator,pcap,pop,postfix,postgres,qmaild,qmaill,qmailp,qmailq,qmailr,qmails,radvd,reboot,rpc,rpcuser,rpm,sendmail,shutdown,squid,sympa,sync,tty,uucp,xfs,xten# Special case of HiddenUsers: users with a UID less than this number# (except root) will not be shown as well. Default is 0MinShowUID=500# Complement to MinShowUID: users with a UID greater than this number will# not be shown as well. Default is 65535#MaxShowUID=29999# If false, the users are listed in the order they appear in /etc/passwd.# If true, they are sorted alphabetically. Default is trueSortUsers=true# Specify, if/which user should be preselected for log in.# Note, that enabling this feature can be considered a security hole,# as it presents a valid login name to a potential attacker, so he "only"# needs to guess the password.# "None" - don't preselect any user (Default)# "Previous" - the user which successfully logged in last time# "Default" - the user specified in the DefaultUser fieldPreselectUser=None# The user to preselect if PreselectUser=Default#DefaultUser=ethel# If this is true, the password input line is focused automatically if# a user is preselected. Default is falseFocusPasswd=false# The password input fields cloak the typed in text. Specify, how to do it:# "NoEcho" - nothing is shown at all, the cursor doesn't move# "OneStar" - "*" is shown for every typed letter (Default)# "ThreeStars" - "***" is shown for every typed letterEchoMode=OneStar# Hold the X-server grabbed the whole time the greeter is visible.# This may be more secure, but will disable any background. Default is false#GrabServer=true# How many seconds to wait for grab to succeed. Default is 3#GrabTimeout=Theme=/usr/share/apps/kdm/themes/TreeFlowerUseTheme=true# Core config for local displays[X-:*-Core]# How often to try to run the X-server. Running includes executing it and# waiting for it to come up. Default is 1#ServerAttempts=# How long to wait for a local X-server to come up. Default is 15#ServerTimeout=# The command line to start the X-server, without display number and VT spec.# This string is subject to word splitting.# Default is "/usr/bin/X -br"#ServerCmd=/usr/bin/X -br# Additional arguments for the X-servers for local sessions.# This string is subject to word splitting.# Default is ""# ServerArgsLocal=-nolisten tcp# Additional arguments for the X-servers for remote sessions.# This string is subject to word splitting.# Default is ""#ServerArgsRemote=# Restart instead of resetting the local X-server after session exit.# Use it if the server leaks memory etc.# Default is false#TerminateServer=true# The signal needed to reset the local X-server.# Default is 1 (SIGHUP)#ResetSignal=1# The signal needed to terminate the local X-server.# Default is 15 (SIGTERM)#TermSignal=15# Create X-authorizations for local displays.# Default is true#Authorize=false# Which X-authorization mechanisms should be used.# Default is "MIT-MAGIC-COOKIE-1"#AuthNames=# Need to reset the X-server to make it read initial Xauth file.# Default is false#ResetForAuth=true# See aboveAllowShutdown=All# See aboveAllowRootLogin=false# See aboveAllowNullPasswd=true# Enable password-less logins on this display. USE WITH EXTREME CARE!# Default is false#NoPassEnable=true# The users that don't need to provide a password to log in. NEVER list root!#NoPassUsers=fred,ethel# Greeter config for local displays[X-:*-Greeter]# Warn, if local X-authorization cannot be created. Default is true# XXX this is a dummy currently#AuthComplain=false# The screen the greeter should be displayed on in multi-headed setups.# The numbering starts with 0 and corresponds to the listing order in the# active ServerLayout section of XF86Config. -1 means to use the upper-left# screen. Default is 0#GreeterScreen=-1LoginMode=DefaultLocalAllowClose=false# Core config for 1st local display[X-:0-Core]# Enable automatic login on this display. USE WITH EXTREME CARE!# Default is false#AutoLoginEnable=true# The user to log in automatically. NEVER specify root!#AutoLoginUser=fred# The password for the user to log in automatically. This is NOT required# unless the user is to be logged into a NIS or Kerberos domain. If you use# it, you must "chmod 600 kdmrc" for obvious reasons.#AutoLoginPass=secret!# The session for the user to log in automatically. This becomes useless after# the user's first login, as the last used session will take precedence.#AutoLoginSession=kde# If "true", the auto-login is truly automatic, i.e., the user is logged in# when KDM comes up. If "false", the auto-login must be initiated by crashing# the X-server with Alt-Ctrl-BackSpace. Default is true#AutoLogin1st=false# Greeter config for 1st local display[X-:0-Greeter]# See above#PreselectUser=Default# See above#DefaultUser=johndoe（4）、重启系统
[root@xckydb ~]# reboot
（5）、查看177端口
[root@xckydb ~]# netstat -na|grep 177
--XDMCP服务对应的端口为177
udp 0 0 0.0.0.0:177 0.0.0.0:*
2. 使用Xmanager远程桌面
（1）、打开Xbrowser软件
（2）、进入Xbrowser后，会看到配置了177端口服务的机器自动识别出来了，双击打开，如下图：
（3）、弹出IP选择器，选择和虚拟机系统同IP段的IP地址，点击确定。
（4）、输入用户名、密码即可完成远程桌面登陆了，过程参考下面截图：
登陆后，远程桌面登陆成功，如下图所示：
至此，实验完成，实现了用Xmanager软件远程桌面LINUX系统的目的。
原创作品，出自 “深蓝的blog” 博客，欢迎转载，转载时请务必注明以下出处，否则追究版权法律责任。
深蓝的blog：http://blog.csdn.net/huangyanlong/article/details/40979611
三 : win8系统C盘和桌面所有程序消失不见解决方法
其实大家要冷静对待，找到故障原因，对症下药便可解决问题了，下面小编介绍两种故障原因及解决方法，有需要的可以往下看。
解决方法：
1、在图标和文件消失之前如果出现过黑屏，建议进行病毒扫描，查杀一下病毒。数据和文件的话可能需要找数据恢复公司来找回了。
2、卸载所有第三方杀毒防护优化类软件，打开控制面板检查一下您是否安装了KB3140741补丁。
上述就是win8系统C盘和桌面所有程序全部消失不见了的两种解决方法，如果你的电脑也出现了类似的问题，可以参考上面的两种方法。
四 : Win10 Build 10525系统详情页面出现Win8 Logo 已修复
微软已向Windows Isider内测用户推送了Win10预览版10525快速版更新，现在已对所有Windows Insiders项目的快速更新成员提供下载了。但他们应该清楚的就是，这一版本中也存在不少已知问题。
在这个版本中，微软对系统的主题配色方案进行了调整，最显著的变化就是标题栏颜色也可随系统主题色改变。除标题栏外，通知中心以及Cortana小娜中部分细节配色方案也有变化。
作为预览版来说，Bug肯定是少不了的，除了64位版Chorme浏览器崩溃之外，现在另一个让人哭笑不得的Bug也出现了。
有Twitter用户向微软副总裁Gabriel Aul反馈称，在Windows 10 Build 10525的系统详情页面居然出现了Windows 8的Logo，这实在太不应该了。
对此，Gabriel Aul回应称，这个Bug是确实存在的，但在最新的Builid 10527版中已经修复了，他还特意贴上了一张截图来证明自己说的话。
从这两张图来看，Build 10525和Build 10527的到期时间均为2016年7月15日，即便不升级能用接近一年的时间，但前提是你得忍受一些Bug。
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