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• XEN 4.1 missing from the Grub Menu

  - by Sid

  I installed Xen with following Commands. apt-get install xen-hypervisor-4.1-i386 apt-get install xen-utils-4.1 apt-get install xenwatch apt-get install xen-tools apt-get install xen-utils-common apt-get install xenstore-utils apt-get install virtinst apt-get install virt-viewer apt-get install virt-manager as given in http://www.beyondlinux.com/2011/11/02/install-xen-4-1-and-setup-your-cloud-os-on-ubuntu-11-10/ But I cant see any entry for Xen 4.1 in my GRUB Menu upon reboot. (As soon as I install above listed packages) Any solution? Please Help

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• Add Custom Color Changing RGB LED Lighting to Your Next Project

  - by Jason Fitzpatrick

  While this specific project is a really neat back-lit bookcase with customizable LED lights galore, you could easily add the exact same setup to just about anything you wanted to give some LED love. The core of the project is a set of addressable LED modules, an Arduino board, and a simple bit of code. You could use it to make a 70s style mood lighting box, add color changing accents to your media room, or any other number of fun projects just by cloning this project and extending/shortening the wires where appropriate. The control module allows for solid colors, multi-colors, and animations. Hit up the link below for more information including the source code. ExpeditInvaders [via IKEAHacker] HTG Explains: What The Windows Event Viewer Is and How You Can Use It HTG Explains: How Windows Uses The Task Scheduler for System Tasks HTG Explains: Why Do Hard Drives Show the Wrong Capacity in Windows?

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• Friday Fun: Dynamite Train

  - by Asian Angel

  This week’s game involves an ‘explosive’ combination of trains, bridges, and dynamite! Your mission is to stop these trains from crossing the various bridges using ingenuity and a limited supply of explosives. Can you destroy all the bridge designs and building materials you encounter or will your carefully thought out plans of destruction fail? HTG Explains: Is ReadyBoost Worth Using? HTG Explains: What The Windows Event Viewer Is and How You Can Use It HTG Explains: How Windows Uses The Task Scheduler for System Tasks

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• Reverse proxy using hop and RDP

  - by Sergei

  I am trying to connect from Vista to XP using RDP via reverse proxy using putty and an intermidiate host. There are myriad articles on the internet how to do it using vnc, ssh servers, winsshd, etc, but I can't find anything that helps me in this specific case. What I have: Windows XP host behind the firewall - 'destination' linux host running ssh on the internet - 'intermediate' windows host behind the firewall - 'source' All I want to do is open reverse tunnel from destination to intermidiate and use this tunnel for connecting back from the source. That should be simple to setup, however I just cannot make it. This is what I do: On 'destination', open putty session, create tunnel to 'intermediate' using following settings: source port 3389, destination is 'source:33389', direction is local On 'source', open putty session, create tunnel to 'intermediate'using following settings: source port 33389, destination is 'destination:33389', direction is local Finally, on source, open termnal services client and connect it to localhost:33389.Unfortunately it seems like packets do go somewhere but eventually client times out. Am I totally misunderstanding the concept? Please help!

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• Is there anything that can be done to make X forwarding over LAN less painful?

  - by Earlz

  I have two *nix machines that I like to remotely do graphical things sometimes with. One of those machines is my Arch Linux media server, and another is my OpenBSD router/general server. My current task was installing a Windows XP over virtual box on my media server. I preferred to do the installation from my main workstation so that I could continue to watch TV from my media server on it's "actual" display. I soon noticed that X forwarding is quite painful though, even over low-latency LAN connections. Are there any settings I can tweak to make it a bit less painfully slow, jittery, and laggy? My LAN is rather small, 100Mbit, and ping times to the other box average at about 0.15ms. Also, I know Virtualbox has a VNC mode it can use instead of doing X forwarding, but this particular task was just an example

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• Desktop Fun: Feathered Friends Wallpaper Collection

  - by Asian Angel

  Birds can serve as wonderful sources of inspiration with their varied colors, song, and feats of flight. Today we have a beautiful flock of birds that you can add to your desktop with our Feathered Friends Wallpaper collection Latest Features How-To Geek ETC How to Enable User-Specific Wireless Networks in Windows 7 How to Use Google Chrome as Your Default PDF Reader (the Easy Way) How To Remove People and Objects From Photographs In Photoshop Ask How-To Geek: How Can I Monitor My Bandwidth Usage? Internet Explorer 9 RC Now Available: Here’s the Most Interesting New Stuff Here’s a Super Simple Trick to Defeating Fake Anti-Virus Malware Comix is an Awesome Comics Archive Viewer for Linux Get the MakeUseOf eBook Guide to Speeding Up Windows for Free Need Tech Support? Call the Star Wars Help Desk! [Video Classic] Reclaim Vertical UI Space by Adding a Toolbar to the Left or Right Side of Firefox Androidify Turns You into an Android-style Avatar Reader for Android Updates; Now with Feed Widgets and More

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• How To See Who Logged Into a Computer and When

  - by Chris Hoffman

  Have you ever wanted to monitor who’s logging into your computer and when? On Professional editions of Windows, you can enable logon auditing to have Windows track which user accounts log in and when. The Audit logon events setting tracks both local logins and network logins. Each logon event specifies the user account that logged on and the time the login took place. You can also see when users logged off. How to Get Pro Features in Windows Home Versions with Third Party Tools HTG Explains: Is ReadyBoost Worth Using? HTG Explains: What The Windows Event Viewer Is and How You Can Use It

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• Ubuntu installer thinks my drive is empty, does not see windows paritions.

  - by John

  Hello, I am trying to install Ubuntu10.10 64bit. I just installed Windows 7 64bit moments ago. My drive is currently partitioned like so: 100MB Boot partition (automatically made by windows 7 installer) 390GB Windows partition ~1.6TB free space When I go through the Ubuntu installer it does not give me the option to install alongside another operating system. My only options are to use the entire disk or to specify partitions manually. When I chose to specify partitions manually it tells me that the drive is all free space! Windows is still booting and behaving normally, and I had not doing anything in Windows yet (had simply installed, booted for first time, then immediately restarted). I am even able to mount the windows partition within Ubuntu Live CD, and see it in the disk viewer (not gparted). Gparted in Ubuntu Live CD again reports no partitions, all free space. Not sure what to do :S. I have installed Windows7 alongside Ubuntu countless times, even Ubuntu 10.10. Thank you very much for your help :).

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• How do I show an animated gif in the app I am developing?

  - by Agmenor

  I am developing Discvur, a simple Imgur viewer, for the Ubuntu App Showdown. Therefore I use quickly + Glade + Gtk + Python. PyGObject instead of PyGtk would be highly appreciated. I would like to display some animated gifs in my program. What I tried was inserting a viewport, then an image, and then in the 'Edit Image' field I selected a gif animation (in my case "../media/akO1i.gif"). When I run my app, the gif is displayed but it is not moving (I only see the first frame). Is it possible to show animated gifs in my app? What is the best and/or easiest way to do it: use the image widget, or a WebKit field, or something else?

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• How to get Kindle for PC working on ubuntu 12

  - by DrewV

  I have tried several different ways to achieve reading my amazon purchased e-books on ubuntu without success. Maybe i'm trying to do the impossible? Is there support for kindle-on-pc on ubuntu 12? If so please be so kind as to share with me how to. Please don't suggest kindle cloud, unless you know how to copy paste from kindle cloud... The books seemed to be encoded so that caliber cannot open them/convert them so unless i misunderstand thats out to. new install of ubuntu 12.04, i don't own a kindle so i just need a viewer

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• Use Adwaita Dark for Libre Office and possibly other apps too?

  - by Relik

  I would like to know how to force some apps to use the Adwaita dark theme. I noticed by default that the movie player and photo viewer apps in gnome shell use Adwaita Dark while most other apps use the Light variant. I would really like to set Libre Office to use Dark instead of Light. How would I go about doing this? I found the site below, but the instructions seem a bit outdated and they do not work for GTK3. http://urukrama.wordpress.com/2008/07/13/setting-a-custom-gtk-theme-for-specific-applications/

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• Kill ssh background process after disconnect / timeout?

  - by keflavich

  I frequently use ssh tunnels to access VNC sessions on remote machines, but this is on my laptop so the connections break when I put it to sleep for the night. If I then try to re-open the connection in the morning, I have to manually kill the ssh session, otherwise I get this error: bind: Address already in use channel_setup_fwd_listener: cannot listen to port: 1202 Could not request local forwarding. The SSH command I'm using is this: ssh -N -C -f -L 1202:localhost:5900 name@server What's the best way to have the ssh tunnel die when it disconnects? Or reset?

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• Alternatives to Citrix GoToAssist ?

  - by Evan Carroll

  Citrix GoToAssist is a really nifty little web application for customer support that allows you to take control of someones OSX, or Windows machine. Essentially, it works likes this: You log in to your management console You get a code You give them a code, and a website (fastsupport.com) They go there and enter in the code They accept the browser applet which installs a program on their computer You have control of their desktop You can see their desktop, configure applications, etc. They can also see when you disconnect. It is really rather nifty, but it doesn't support Linux and it is rather expensive (660$ a year). Does anyone know of any alternatives to this? I'm looking for a solution as simple on the user as this one, that doesn't require firewall configuration or setting up ssh/vnc/rdesktop etc.

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• What are my X client options for MS Windows?

  - by Nick Bolton

  I need to connect to a headless X Windows server (running on Ubuntu) from my MS Windows 7 computer over a 100 Mbit network. I could use VNC (or any other remote viewer) but the 3D graphics performance would be lousy I imagine. I used to have it hooked up to a monitor, but that's broken now and I can't afford a new one. A friend advised that I could try and use an X client, and that the 3D graphics wont suffer too much over 100 Mbit. Cygwin seems to be an option, but I was wondering if there were any more lightweight options.

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• Error : Could not display "obex://" when paired with a Nokia 3110c

  - by MobileDev123

  Hi, I have paired my nokia 3110c via bt on my pc, I can receive a file from my pc to the phone, but I can not browse the contents of phone from my computer. Here is the error message Error: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken. Please select another viewer and try again. How can I transfer contents from my phone to my computer?

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• Create a custom shortcut that types clipboard contents

  - by briankb

  I want to paste my clipboard contents to a remote session such as VNC, IPMI, or Raritan. To accomplish this, I installed xdotool and clip. Then I wrote a simple command that types the clipboard contents: xdotool type "$(xclip -o)" This works if I stay in a terminal window, and type that command myself. It types back my clipboard contents when I run the command. Of course now I want to make this into a hotkey that works in any window. However, if I create a custom shortcut using Keyboard settings, it doesn't work. If I assign a hotkey Alt+K to the shortcut, nothing happens when I press it. If I use Ctrl+K, unexpected behavior occurs to whatever window has focus. e.g. my terminal window size shrinks (it's somewhat amusing, actually). Similar results occur if I save it as a script and call the script, or if I encapsulate the command with sh -c. How can I make practical use of the powerful xdotool type command?

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• Windows Server 2003 guest on Xen frequently stops responding

  - by smokris

  I'm running a Windows Server 2003 guest instance in Xen 3.x. This DomU runs fine for a day or two, then stops responding — I don't get any network response, and I can no longer connect to Xen's VNC console for this DomU. xm list shows this: Name ID Mem VCPUs State Time(s) Domain-0 0 6508 8 r----- 1161159.4 [A working Linux DomU] 1 512 1 -b---- 68711.1 [The hung Windows DomU] 5 512 1 ------ 67234.2 [Another working Linux DomU] 3 512 1 -b---- 163036.4 (What does the ------ mean? The xm manual explains what each of the six states mean, but not what no-state means.) If I xm destroy and then xm create the Windows DomU again, it boots right back up (with the Windows alert The previous system shutdown at [...] was unexpected.), and then stops responding after another day or two. I checked /var/log/xen/*.log, but no log messages are generated at the time the server stops responding. How should I proceed in troubleshooting this?

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• My Brother printer doesn't accept quality settings anymore - what can I do?

  - by rearlight

  I have a Brother MFC-465CN network printer. It uses the brother-cups-wrapper-bh7 and brother-lpr-drivers-bh7drivers. Now, when I print (which works perfectly fine) I try to print in "fast normal" settings to save some ink. I use LibreOffice and Ubuntus default PDF-viewer to print and set the settings in the print dialog manually. "Fast normal" is the default printing setting (in the Ubuntu GUI printing config). But the printer always prints in "normal" or even "fine" quality settings which takes forever and uses much more ink. So, what can I do about that? Thanks for your help in advance!

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• How can I start an X11 session on my headless Fedora 13 server?

  - by DR

  I have a small home server using Fedora 13 as operating system. Since the upgrade to Fedora 13 I cannot start the X11 server. (I need it to use vnc) When I try to start the server, both the nouveau and the original NVIDIA driver claim that there's no physical monitor attached (which is true) and that the X server cannot start because the initial display modes cannot be probed. I tried to manually add the display modes to xorg.conf but they seem to be ignored. Some forums suggest to simply use the VESA driver in this situation, but since I can't get it run either (different, more obscure message) I want to get it working with the nouveau driver as a matter of principle. Temporarily attaching a monitor would mean a lot of work for me ( 1 hour and currently it's almost 35°C/95°F in my home) I want to try that only if that definitely fixes the problem and stays that way if I remove the monitor again) How can I make the driver work without having a physical monitor attached? Thank you for your time and your help!

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• 5 Ways To Quickly Launch Programs On Windows

  - by Chris Hoffman

  Do you still launch programs on Windows by hunting down a desktop shortcut and double-clicking it? There are better ways – Windows has several built-in tricks for quickly launching applications. Even if you know all the built-in tricks, you may want to try out Launchy or another third-party launcher – some people swear by them. They offer more features than the Start menu search built into Windows. HTG Explains: Is ReadyBoost Worth Using? HTG Explains: What The Windows Event Viewer Is and How You Can Use It HTG Explains: How Windows Uses The Task Scheduler for System Tasks

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• Startech SVx41HDI Series Server Remote Control Usage Question - How do I switch away from a dead por

  - by tajh

  We have a Startech KVM over IP model SV841HDI and it was stuck pointing a port where the machine has been removed. We ended up having to physically plug something into that port in order to switch ports again, meaning that if someone in support accidentally switches to an empty port, we need to have a documented solution for making it useable again. The unit is old, no longer under warranty, firmware updates for it are no longer available (interestingly it runs a powerPC version of busybox). Since it does work well except for this one catch, we would like to avoid replacing it. Reading the manual, you have a several recommended methods. I tried them. Hit the left CTRL key a few times (as well as all the other popular KVM keys I could think of). The VNC GUI offers lots of buttons - none of them switch away from a dead port. The question is: how do I switch away from a dead port on this particular KVM remotely?

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• windows 2003 - why can't serial port be accessed remotely?

  - by Danny Staple

  we have recently installed the updates on some of our servers, which have a bit of hardware attached via USB that presents itself as a serial (COM) port. The strange behaviour is that if I start a cmd shell on the server via VNC, I can open the serial port. If I run a service and start it from there (telnet, jenkins) then I receive a "not found" error for it. IE: C:\Documents and Settings\some_user>echo 1 >COM4: C:\Documents and Settings\some_user> on the local cmd will work, and on the remote telnet will give: C:\Documents and Settings\some_user>echo 1 >COM4: The system cannot find the file specified. C:\Documents and Settings\some_user> I cannot see any security settings on the Device manager settings panel for this device.

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• Custom trackpad mapping doesn't work for all applications

  - by picheto

  I found out I could invert my trackpad scrolling, so as to work more like the OS X "natural scrolling", which I liked better. To do that, I run the following command on startup: xinput set-button-map 11 1 2 3 5 4 7 6 Where 11 is the touchpad id (found with xinput list and xinput test 11). This inverts the vertical and horizontal two-finger scrolling, and works fine in Terminal, Chrome, Document Viewer, etc. However, it doesn't work in Nautilus and some applications such as the Update Manager, as they keep the usual mapping. I'm running Ubuntu 12.04 x64 Why does this mapping work for some applications but not for others? I know there is software I can download to do the same, but this method seemed "cleaner". Thanks

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• bluetooth between ubuntu 10.10 and nokia error : Could not display "obex://"

  - by MobileDev123

  Hi, I have paired my nokia 3110c via bt on my pc, I can receive a file from my pc to the phone, but I can not browse the contents of phone from my computer. Here is the error message Error: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken. Please select another viewer and try again. How can I transfer contents from my phone to my computer?

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• enable all touchpad functions

  - by user118136

  When I had been using Windows 8 my touchpad had multiple gestures: 2 fingers direction top-bottom = vertical revers scrolling(if I scrolled top than page have scrolled bottom); 2 finger direction left-right = horizontal revers scrolling zoom in and zoom out like smartphones with 2 fingers 2 finger rotation = rotate image in image viewer (+ 90 deg or -90 deg) place a finger in the left edge and drag it to right = change windows application, in Ubuntu I want to change the active program to left like Ctrl+Shift+Tab place a finger in the right edge and drag it to left = open right menu and select the option moving finger on direction top-bottom, in Ubuntu I want to change the active program to right like Alt+Tab I succeed enable 2 finger vertical scrolling of System Setings, but I want that it do not work in revers sense. Do it exist a method to enable the rest of gestures and revers the vertical scrolling? edit: It's a Synaptics touchpad.

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