Frequently Asked Questions About Linux / UNIX » X Server http://www.cyberciti.biz/faq Every answer asks a more beautiful question. Sun, 19 May 2013 18:24:07 +0000 en-US hourly 1 http://wordpress.org/?v=3.5.1 Linux Gnome Desktop Windows Decoration Disappearedhttp://www.cyberciti.biz/faq/linux-unix-compiz-emerald-metacity-windows-decoration-disappeard/ http://www.cyberciti.biz/faq/linux-unix-compiz-emerald-metacity-windows-decoration-disappeard/#comments Mon, 27 Aug 2012 01:06:01 +0000 nixCraft http://www.cyberciti.biz/faq/?p=12720 Sometime when I logged on to my Gnome Linux desktop I noticed that windows decoration disappeared i.e. minimize / maximaize / close buttons and other decoration gone. How do I fix this annoying problem under Fedora / Mint / Debian / Ubuntu Linux gnome desktop?

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]]> http://www.cyberciti.biz/faq/linux-unix-compiz-emerald-metacity-windows-decoration-disappeard/feed/ 1 Where Is The Xorg.conf File Located under Unix / Linux / BSD?http://www.cyberciti.biz/faq/where-is-the-xorg-conf-file-located-under-unix-linux-bsd/ http://www.cyberciti.biz/faq/where-is-the-xorg-conf-file-located-under-unix-linux-bsd/#comments Tue, 24 Apr 2012 19:03:40 +0000 nixCraft http://www.cyberciti.biz/faq/?p=12070 I want to find and edit my xorg.conf file for tweaking and configure it for new settings. The problem is that I'm unable to find the file. According to my research, xorg.conf should in /etc/X11 or /usr/X11R6/lib/X11/ directory. I found directories but not the file in directories. How do I find the xorg.conf under Unix or Linux like operating systems?

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]]> http://www.cyberciti.biz/faq/where-is-the-xorg-conf-file-located-under-unix-linux-bsd/feed/ 1 Linux: Configure Xorg X11 Window Systemhttp://www.cyberciti.biz/faq/howto-linux-configure-xorg-x11/ http://www.cyberciti.biz/faq/howto-linux-configure-xorg-x11/#comments Thu, 13 May 2010 08:24:45 +0000 nixCraft http://www.cyberciti.biz/faq/?p=7422 My xorg.conf file is missing as I deleted accidentally for some reason. Now, Xorg try to probe my hardware on every startup. How do I configure Xorg under Debian or any Linux distro / operating systems?

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]]> http://www.cyberciti.biz/faq/howto-linux-configure-xorg-x11/feed/ 3 Linux: Allow SSH Console Login But Not GDM / KDM / X Windows Based Loginhttp://www.cyberciti.biz/faq/restrict-linux-users-from-gdm-kdm-login-but-allow-ssh/ http://www.cyberciti.biz/faq/restrict-linux-users-from-gdm-kdm-login-but-allow-ssh/#comments Thu, 06 May 2010 09:49:33 +0000 nixCraft http://www.cyberciti.biz/faq/?p=7349 I'd like to only allow ssh or console based login (ssh, su, sudo commands) but restrict specific users from using GDM / KDM / X Windows based login under Linux operating systems. How do I stop direct GUI user login using GDM / KDM / X Windows login managers and only allow text based logins?

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]]> http://www.cyberciti.biz/faq/restrict-linux-users-from-gdm-kdm-login-but-allow-ssh/feed/ 4 Linux / UNIX: Run Multiple X Sessionshttp://www.cyberciti.biz/faq/running-multiple-x-sessions/ http://www.cyberciti.biz/faq/running-multiple-x-sessions/#comments Wed, 28 Apr 2010 08:47:59 +0000 nixCraft http://www.cyberciti.biz/faq/?p=7275 How do I run multiple X Session under Linux or UNIX operating systems? How do I switch between X sessions?

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]]> http://www.cyberciti.biz/faq/running-multiple-x-sessions/feed/ 5 Adobe Photoshop Alternatives For Linux Desktophttp://www.cyberciti.biz/faq/adobe-photoshop-alternatives-for-linux-desktop/ http://www.cyberciti.biz/faq/adobe-photoshop-alternatives-for-linux-desktop/#comments Thu, 13 Aug 2009 08:56:31 +0000 nixCraft http://www.cyberciti.biz/faq/?p=4752 I need Photoshop alternative under Ubuntu Linux for basic editing. I know Photoshop can be run using Wine but I'm not able to afford expensive software for just basic editing. Can you suggest a few free FOSS apps that works as alternatives to Photoshop under Ubuntu or Fedora Linux desktop operating systems?

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]]> http://www.cyberciti.biz/faq/adobe-photoshop-alternatives-for-linux-desktop/feed/ 9 Linux Disable and Remove X Windows (X.org)http://www.cyberciti.biz/faq/centos-rhel-fedora-linux-disable-remove-x-windows-org/ http://www.cyberciti.biz/faq/centos-rhel-fedora-linux-disable-remove-x-windows-org/#comments Sat, 18 Jul 2009 09:47:31 +0000 nixCraft http://www.cyberciti.biz/faq/?p=4520 I revived my new Dell server pre installed with Red Hat Enterprise Linux server v5.2. However, my box boot with a GUI login system ( Gnome ). There is no reason to run X Windows on my dedicated mail and Apache web server. I only need ssh. How do I disable X login and windows without reinstalling the operating system to improve security and performance?

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]]> http://www.cyberciti.biz/faq/centos-rhel-fedora-linux-disable-remove-x-windows-org/feed/ 11 Tunneling X Connection Through Intermediate Linux / BSD Gatewayhttp://www.cyberciti.biz/faq/proxycommand-ssh-session-internal-host-through-gateway/ http://www.cyberciti.biz/faq/proxycommand-ssh-session-internal-host-through-gateway/#comments Thu, 07 May 2009 22:05:05 +0000 nixCraft http://www.cyberciti.biz/faq/?p=3753 I've ssh gateway behind my NAT firewall. So all users must first login to my gateway host from the internet and then login to other machines on the LAN. This works great for cli based apps. However, few users would like to run x apps from internal LAN hosts and tunnel X display through intermediate ssh gateway and display back output on their local system. For example, from localsystem user makes connection as follows:

ssh -X user@gateway.example.com ssh -X user@somelan.example.com
X forwarding fails with an error:

Error: Can't open display:


How do I fix this problem and allow users to use X apps with my intermediate Linux / BSD gateway?

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]]> http://www.cyberciti.biz/faq/proxycommand-ssh-session-internal-host-through-gateway/feed/ 5 Linux ATI HD3750 Drive Configuration Hangshttp://www.cyberciti.biz/faq/linux-ati-hd3750-display-adapter-driver/ http://www.cyberciti.biz/faq/linux-ati-hd3750-display-adapter-driver/#comments Mon, 12 Jan 2009 12:04:13 +0000 nixCraft http://www.cyberciti.biz/faq/?p=5264 I'm not able to boot into GUI under Dell desktop system, which uses an ATI HD3750 display card. The display only works with CLI and but when I type startx and get some sort of error or a black screen. How do I fix this issue?

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]]> http://www.cyberciti.biz/faq/linux-ati-hd3750-display-adapter-driver/feed/ 0 Linux Restrict Execution of /usr/sbin/userhelper to Console Usershttp://www.cyberciti.biz/faq/restrict-execution-of-userhelper-to-console-users/ http://www.cyberciti.biz/faq/restrict-execution-of-userhelper-to-console-users/#comments Sat, 03 Jan 2009 13:25:35 +0000 nixCraft http://www.cyberciti.biz/faq/?p=5321 I'm CentOS Linux version 5.x user and I'd like to restrict execution of /usr/sbin/userhelper to console users only in xusers group?

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]]> http://www.cyberciti.biz/faq/restrict-execution-of-userhelper-to-console-users/feed/ 0 Linux Gnome Numeric Keypad Disabled [ Mouse keys ]http://www.cyberciti.biz/faq/linux-numeric-keypad-disabled-mouse-keysonly-works/ http://www.cyberciti.biz/faq/linux-numeric-keypad-disabled-mouse-keysonly-works/#comments Sun, 28 Dec 2008 08:50:07 +0000 nixCraft http://www.cyberciti.biz/faq/?p=2989 Q. I'm using Gnome under Ubuntu Linux and my numeric keypad is disabled. Pressing numlock key does not work any more. I'm not able to use numbers or special symbols from numeric keypad. Reboot does not help or using different keyboard does not help. However, numlock only works if I switch to text console by pressing CTRL+ALT+F1. Now, I'm dam sure this is related to X.org or Gnome. How do I fix this problem?

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]]> http://www.cyberciti.biz/faq/linux-numeric-keypad-disabled-mouse-keysonly-works/feed/ 28 Find out Apache Versionhttp://www.cyberciti.biz/faq/find-out-apache-version/ http://www.cyberciti.biz/faq/find-out-apache-version/#comments Sat, 20 Dec 2008 06:58:19 +0000 nixCraft http://www.cyberciti.biz/faq/?p=2911 Q. I have a rented dedicated LAMP server and I need to know what version of Apache I am running. How do I find out my Apache server version? How do I find out what modules loaded?

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]]> http://www.cyberciti.biz/faq/find-out-apache-version/feed/ 16 Copy Shell Prompt Output To Linux / UNIX X Clipboard Directlyhttp://www.cyberciti.biz/faq/xclip-linux-insert-files-command-output-intoclipboard/ http://www.cyberciti.biz/faq/xclip-linux-insert-files-command-output-intoclipboard/#comments Fri, 24 Oct 2008 20:41:55 +0000 nixCraft http://www.cyberciti.biz/faq/?p=2232 Q. How do I copy output of command to Linux Gnome clipboard? How do I send files directly to X Windows clipboard from a shell prompt? How do I insert command line output or files contains into the clipboard?

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]]> http://www.cyberciti.biz/faq/xclip-linux-insert-files-command-output-intoclipboard/feed/ 5 Ubuntu Linux: Firefox and Desktop Application Fix Smooth Font Problem ( Render Font Correctly )http://www.cyberciti.biz/faq/gnome-linux-firefox-smooth-fonts/ http://www.cyberciti.biz/faq/gnome-linux-firefox-smooth-fonts/#comments Thu, 23 Oct 2008 18:34:22 +0000 nixCraft http://www.cyberciti.biz/faq/?p=2224 Q. How do I render font smoothly in Ubuntu Linux / Gnome desktop systems? How do I get look a likes of the Microsoft / Mac OS X smooth fonts for Firefox and other applications?

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]]> http://www.cyberciti.biz/faq/gnome-linux-firefox-smooth-fonts/feed/ 10 Disable Caps Lock Key in Linuxhttp://www.cyberciti.biz/faq/linux-deactivate-caps-lock/ http://www.cyberciti.biz/faq/linux-deactivate-caps-lock/#comments Wed, 22 Oct 2008 14:17:32 +0000 nixCraft http://www.cyberciti.biz/faq/?p=2200 Q. How do I deactivate caps lock key in Linux permanently?

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]]> http://www.cyberciti.biz/faq/linux-deactivate-caps-lock/feed/ 8 How To Select Best Linux Desktop Applicationhttp://www.cyberciti.biz/faq/so-many-linux-application-for-single-task/ http://www.cyberciti.biz/faq/so-many-linux-application-for-single-task/#comments Tue, 23 Sep 2008 03:14:52 +0000 nixCraft http://www.cyberciti.biz/faq/?p=1867 Q. I'm new to GNU/Linux world and a single query (apt-cache search office or yum search 'office') shows so many application for a single task such as network monitoring or office applications. The number of apps choices just confusing. How do you select application from so many choices?

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]]> http://www.cyberciti.biz/faq/so-many-linux-application-for-single-task/feed/ 0 Linux Find Out If the PCIe / AGP / VGA Driver Is Installed OR NOT [ Radeon X1550 64 bit ]http://www.cyberciti.biz/faq/linux-detect-if-vga-driver-is-installed-not/ http://www.cyberciti.biz/faq/linux-detect-if-vga-driver-is-installed-not/#comments Tue, 27 May 2008 17:21:08 +0000 nixCraft http://www.cyberciti.biz/faq/?p=1083 I've ATI Radeon VGA [X1550 64 bit] card. How do I find find out if the driver is installed or not under any Linux distribution running xorg server?

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]]> http://www.cyberciti.biz/faq/linux-detect-if-vga-driver-is-installed-not/feed/ 2 Linux Disable X Window Systemhttp://www.cyberciti.biz/faq/linux-disable-x-windows-system/ http://www.cyberciti.biz/faq/linux-disable-x-windows-system/#comments Sun, 06 Apr 2008 06:06:20 +0000 nixCraft http://www.cyberciti.biz/faq/?p=2325 Q. How do I disable X Window system on boot? I just need text based interface and there is no need to waste resources on X window system. How do I disable X Window under CentOS / RHEL / Red Hat / Fedora Linux?

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]]> http://www.cyberciti.biz/faq/linux-disable-x-windows-system/feed/ 6 Run SSH In The background After Running a GUI Linux Applicationhttp://www.cyberciti.biz/faq/run-ssh-gui-background-for-unix-x11/ http://www.cyberciti.biz/faq/run-ssh-gui-background-for-unix-x11/#comments Sun, 13 Jan 2008 13:13:03 +0000 nixCraft http://www.cyberciti.biz/faq/?p=1118 Read answer to: "Run SSH In The background After Running a GUI Linux Application"

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]]> http://www.cyberciti.biz/faq/run-ssh-gui-background-for-unix-x11/feed/ 0 How to: Measure the Lateceny and Throughput of Apache / Lighttpd / IIS Webserverhttp://www.cyberciti.biz/faq/linux-unix-measure-lateceny-throughput-of-webserver/ http://www.cyberciti.biz/faq/linux-unix-measure-lateceny-throughput-of-webserver/#comments Thu, 22 Nov 2007 00:13:15 +0000 nixCraft http://www.cyberciti.biz/faq/linux-unix-measure-lateceny-throughput-of-webserver/ Read answer to: "How to: Measure the Lateceny and Throughput of Apache / Lighttpd / IIS Webserver"

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