I am trying to install xrdp service on one my VPS server, and though all installed successfully I get following error after connecting via Windows MSTSC service.Following are the resources I have used to install => (1) (2) (3) (4) (5) (6)Imagine this as GUI Window -> SampleConnection Log    connecting to sesman ip 127.0.0.1 port 3350    sesman connect ok    sending login info to session manager, please wait ...    xrdp_mm_process_login_response: login successful for display    started connecting    connecting to 127.0.0.1 5911    error - problem connectingand following is the error log I see from /var/log/xrdp-sesman.log[20140328-19:50:31] [INFO ] scp thread on sck 7 started successfully[20140328-19:50:32] [INFO ] ++ created session (access granted): username root, ip my.ip.addr.ess:63327 - socket: 7[20140328-19:50:32] [INFO ] starting Xvnc session...[20140328-19:50:32] [INFO ] starting xrdp-sessvc - xpid=7552 - wmpid=7551[20140328-19:50:32] [INFO ] ++ terminated session:  username root, display :11.0, session_pid 7549, ip my.ip.addr.ess:63327 - socket: 7and following are the logs of my /root/.vnc/servername:2.logXvnc TigerVNC 1.1.0 - built Feb  4 2014 05:26:31Copyright (C) 1999-2011 TigerVNC Team and many others (see README.txt)See http://www.tigervnc.org for information on TigerVNC.Underlying X server release 11300000, The X.Org FoundationInitializing built-in extension Generic Event ExtensionInitializing built-in extension SHAPEInitializing built-in extension MIT-SHMInitializing built-in extension XInputExtensionInitializing built-in extension XTESTInitializing built-in extension BIG-REQUESTSInitializing built-in extension SYNCInitializing built-in extension XKEYBOARDInitializing built-in extension XC-MISCInitializing built-in extension XFIXESInitializing built-in extension RENDERInitializing built-in extension RANDRInitializing built-in extension DAMAGEInitializing built-in extension MIT-SCREEN-SAVERInitializing built-in extension DOUBLE-BUFFERInitializing built-in extension RECORDInitializing built-in extension DPMSInitializing built-in extension X-ResourceInitializing built-in extension XVideoInitializing built-in extension XVideo-MotionCompensationInitializing built-in extension VNCInitializing built-in extension GLXFri Mar 28 19:36:33 2014 vncext:      VNC extension running! vncext:      Listening for VNC connections on all interface(s), port 5902 vncext:      created VNC server for screen 0/root/.vnc/xstartup: line 27: xsetroot: command not found/root/.vnc/xstartup: line 28: xterm: command not found/root/.vnc/xstartup: line 29: twm: command not foundAnd Following are the commands I used to install tigervnc-server and xrdp on my two cent OS.root@servername [~]#  cat /etc/*-releaseCentOS release 6.5 (Final)CentOS release 6.5 (Final)CentOS release 6.5 (Final)root@servername [~]# yum install xrdp tigervnc-serverroot@servername [~]# service vncserver startStarting VNC server: no displays configured                [FAILED]root@servername [~]#root@servername [~]#  vim /etc/sysconfig/vncserversVNCSERVERS=2:rootVNCSERVERARGS[2]=-geometry 800x600 -nolisten tcp -localhost:wq!root@servername [~]# service vncserver startStarting VNC server: 2:rootNew 'servername:2 (root)' desktop is servername:2Starting applications specified in /root/.vnc/xstartupLog file is /root/.vnc/servername:2.log                                                           [  OK  ]root@servername [~]# service xrdp startStarting xrdp:                                             [  OK  ]Starting xrdp-sesman:                                      [  OK  ]root@servername [~]# chkconfig xrdp onroot@servername [~]# chkconfig vncserver onroot@servername [~]# vncpasswdPassword:Verify:root@servername [~]# 
xsetroot, xterm and twm are not found when starting XRDP/Xvnc (on Cent OS)
centos;vnc
Looks like you need to install X.  Your VNC server log says file not found for xsetroot, xterm, and twm.See here:http://wiki.centos.org/FAQ/General#head-f9b66646092bdc0de1d8b4c82b427f796adfe2f8