Hello, I've rented a dedicated root server (SR7 at strato.de) and would like to run qemu at it, but get the error: # qemu -hda install.img -cdrom install47.iso -boot d Could not initialize SDL - exiting It seems that I have to establish X connection, so I've installed Xming at my WinXP laptop and at the server I have changed these 3 lines in the /etc/ssh/sshd_config: X11Forwarding yes X11DisplayOffset 10 X11UseLocalhost yes And also I have installed these Xorg packages: # rpm -qa | grep -i xorg xorg-x11-utils-7.1-2.fc6 xorg-x11-drv-evdev-1.0.0.5-5.el5 xorg-x11-drv-vesa-1.3.0-8.2.el5 xorg-x11-filesystem-7.1-2.fc6 xorg-x11-font-utils-7.1-2 xorg-x11-server-utils-7.1-4.fc6 xorg-x11-xkb-utils-1.0.2-2.1 xorg-x11-xfs-1.0.2-4 xorg-x11-fonts-base-7.1-2.1.el5 xorg-x11-drv-keyboard-1.1.0-3 xorg-x11-server-Xorg-1.1.1-48.76.el5_5.1 xorg-x11-drv-mouse-1.1.1-1.1 xorg-x11-drv-void-1.1.0-3.1 Then I've restarted the server and run PuTTY to connect to it, where I have checked the Connection->SSH->X11->Enable X11 forwarding (Sorry for mentioning all this Windows stuff, but I don't have a Unix desktop and also the problem seems to be in the CentOS config) When I connect to the CentOS machine, the DISPLAY variable isn't set at all. Shouldn't SSH set it to localhost:10.0 ? I try to set DISPLAY manually to localhost:10.0 and my_ip_address:0.0 and I have tried connecting as root and as a non-root user. Still I can't run any X programs like xterm: $ echo $DISPLAY $ xterm xterm Xt error: Can't open display: xterm: DISPLAY is not set $ export DISPLAY=localhost:10.0 $ xterm xterm Xt error: Can't open display: localhost:10.0 $ netstat -an |grep ESTABLISHED (my sshd listens at port 443) tcp 0 52 ::ffff:85.214.XXX.XXX:443 ::ffff:88.153.153.102:2646 ESTABLISHED tcp 0 0 ::ffff:85.214.XXX.XXX:443 ::ffff:88.153.153.102:2566 ESTABLISHED $ export DISPLAY=88.153.153.102:0.0 $ xterm xterm Xt error: Can't open display: 88.153.153.102:0.0 (after long time) And the firewall is off: $ sudo /sbin/service iptables status Firewall is stopped. And I don't see anything in the Xming log (pasted below). Does anybody please have a hint for me? My Linux knowledge is a bit rusty :-) Should I start X somehow at the Linux side? (I've checked chkconfig --list, found nothing there) Regards Alex PS: Xming log below: Welcome to the Xming X Server Vendor: Colin Harrison Release: 6.9.0.31 FreeType2: 2.3.4 Contact: http://sourceforge.net/forum/?group_id=156984 C:\Program Files\Xming\Xming.exe :0 -ac -clipboard -multiwindow XdmcpRegisterConnection: newAddress 10.216.41.31 winAdjustVideoModeShadowGDI - Using Windows display depth of 32 bits per pixel winAllocateFBShadowGDI - Creating DIB with width: 1920 height: 1200 depth: 32 winInitVisualsShadowGDI - Masks 00ff0000 0000ff00 000000ff BPRGB 8 d 24 bpp 32 glWinInitVisuals:1596: glWinInitVisuals glWinInitVisualConfigs:1503: glWinInitVisualConfigs glWinSetVisualConfigs:1581: glWinSetVisualConfigs init_visuals:1055: init_visuals null screen fn ReparentWindow null screen fn RestackWindow InitQueue - Calling pthread_mutex_init InitQueue - pthread_mutex_init returned InitQueue - Calling pthread_cond_init InitQueue - pthread_cond_init returned winInitMultiWindowWM - Hello winInitMultiWindowWM - Calling pthread_mutex_lock () winMultiWindowXMsgProc - Hello winMultiWindowXMsgProc - Calling pthread_mutex_lock () glWinScreenProbe:1390: glWinScreenProbe fixup_visuals:1303: fixup_visuals init_screen_visuals:1336: init_screen_visuals (--) 5 mouse buttons found (--) Setting autorepeat to delay=500, rate=31 (--) winConfigKeyboard - Layout: "00000407" (00000407) (--) Using preset keyboard for "German (Germany)" (407), type "4" Could not init font path element C:\Program Files\Xming/fonts/misc/, removing from list! Could not init font path element C:\Program Files\Xming/fonts/TTF/, removing from list! Could not init font path element C:\Program Files\Xming/fonts/Type1/, removing from list! Could not init font path element C:\Program Files\Xming/fonts/75dpi/, removing from list! Could not init font path element C:\Program Files\Xming/fonts/100dpi/, removing from list! Could not init font path element C:\Program Files\Xming\fonts\dejavu, removing from list! Could not init font path element C:\Program Files\Xming\fonts\cyrillic, removing from list! Could not init font path element C:\WINDOWS\Fonts, removing from list! winInitMultiWindowWM - pthread_mutex_lock () returned. winInitMultiWindowWM - pthread_mutex_unlock () returned. winInitMultiWindowWM - DISPLAY=127.0.0.1:0.0 winMultiWindowXMsgProc - pthread_mutex_lock () returned. winMultiWindowXMsgProc - pthread_mutex_unlock () returned. winMultiWindowXMsgProc - DISPLAY=127.0.0.1:0.0 winProcEstablishConnection - Hello winInitClipboard () winProcEstablishConnection - winInitClipboard returned. winMultiWindowXMsgProc - XOpenDisplay () returned and successfully opened the display. winInitMultiWindowWM - XOpenDisplay () returned and successfully opened the display. winClipboardProc - Hello DetectUnicodeSupport - Windows XP winClipboardProc - DISPLAY=127.0.0.1:0.0 winClipboardProc - XOpenDisplay () returned and successfully opened the display.