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• Windows Server 2008 in KVM

  - by Joseph

  I've been working on getting a Windows Server 2008 KVM in my linux box running Ubuntu Server 12.04. I've got virt-install and virt-manager installed, got the install up and running via virt-install --connect qemu:///system -n winsvr2008 -r 1024 --vcpus=1 --disk path=/home/pwnd/vm/2008.img,size=30 -c /home/pwnd/en_windows_server_2008_with_sp2_x86_dvd_342333.iso --graphics vnc,listen=192.168.1.127 --noautoconsole --os-type=windows --os-variant=win2k8 --network=bridge:virbr0 --hvm -v and virsh vncdisplay winsvr2008 I can connect and view, but upon starting, I get hung up on please wait right after clicking Install. Any ideas?

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• How do I specify a string to display in the Ubuntu software-center when creating a package with dpkg-deb?

  - by TomMKV

  When I open *.deb packages downloaded from the internet in the Ubuntu software-center, it displays a "nice" name for the package (including upper- and lowercase, spaces, special characters, ...). When I create a *.deb package from binaries only using dpkg-deb -b, Ubuntu Software Center displays the "technical" package name (the one specified at the Package: field in the control file, limited to lowercase only, no spaces, ...). Is there any way to provide a string different from the "technical" package name (including upper- and lowercase, spaces, special characters, ...) for display in the Ubuntu software Center? Unfortunately, this can not be done via the short description (that is displayed below the "technical" name, but not replacing it).

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• How can I set my linux box as a router to forward ip packets?

  - by UniMouS

  I am doing a network experiment about ip packet forwarding, but I don't know why it does work. I have a linux machine with two network interfaces, eth0 and eth1 both with static IP address (eth0: 192.168.100.1, eth1: 192.168.101.2). My goal is simple, I just want to forward ip packets from eth1 with destination in subnet 192.168.100.0/24 to eth0, and forward ip packets from eth0 with destination in subnet 192.168.101.0/24 to eth1. I turned on ip forwarding with: sysctl -w net.ipv4.ip_forward=1 my routing table is like this: # route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 192.168.100.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 192.168.101.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1 But, when I try to ping from 192.168.100.25 to 192.168.101.47, it does not work.

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• Mixed java version installed

  - by david99world

  I've got the following in /.bashrc export JAVA_HOME=/usr/bin/jdk1.7.0_03/ export PATH=$PATH:/usr/bin/jdk1.7.0_03/bin This is fine, if I do $JAVA_HOME I get the directory above. The problem is if I do java -version I get... OpenJDK Runtime Environment (IcedTea6 1.11.1) (6b24-1.11.1-4ubuntu3) OpenJDK 64-Bit Server VM (build 20.0-b12, mixed mode) How do I make the official jdk version the right one? Sorry I'm extremely new to Ubuntu. Thanks, David

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• How can I reconfigure the nvidia proprietary drivers from the command line (ssh)?

  - by Mathieu Pagé

  I have a linux HTPC (running XBMC) in my living room. This morning I ssh'ed into the machine and did upgrade it to 10.10. When it finaly resarted it says something about running in low quality graphics and eventually returned to a command line login prompt. I ssh'ed in again and did a sudo reboot now. When it came back on this time the image is rapidly scrolling from the top to the bottom of the screen. I guess the installed driver doesn't quite work with the S-Video port on which the TV is connected. previously it was working right with the nvidia proprietary drivers. How can I install thoses without using the GUI tool that comes with Ubuntu?

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• Ubuntu 10.10 not recognizing external hard drive

  - by sr71

  Installed Ubuntu 10.10 on a hard drive by itself (no windows). All updates are up to date. Everything`works fine except when I plug in a 320 gig Toshiba external hard drive....it is not recognized. When I plug in an 8 gig flash drive it is recognized no problem. What do I mean by "not recognized"? I mean: how do you know it was not recognized. You can check the command "cat /proc/partitions" in a terminal with and without the hdd attached. If you see some difference, it's ok. If the difference is something like "sda1" (sd+letter+number) then you have partition on it, maybe it can't be handled in Ubuntu (no filesystem on it or so). If there is only "sda" in the difference for example (sd+letter, but no number after it) then the drive itself is detected, just no partition is created on it. Also you can check out the messages of the kernel, with the "dmesg" command in the terminal. If there is no disk/partition/anything in /proc/partitions, there can be an USB level problem, you can issue command "lsusb" as it was suggested before my answer. It's really matter of what do you mean about "not recognized". @Marco Ceppi @Oli @Pitto By "not recognized" I meant that when I plug in a 8 gig flash drive an icon immediately appears on the desktop imdicating that there is a flash drive plugged in and I can click on it and view the files on the flash drive. It also shows up on the "Nautilus" default file manager. When I plug in the 320 gig Toshiba external hard drive, I get no indication on the desktop or the file manager (thus "not recogized"). When I run the command "cat/proc/partitions/" I get an error message Could not open location 'file:///home/bob/cat/proc/partitions' with or without the external hard drive installed. With the "dmeg" command I get about 10 pages of info with no mention of disk/partition/anything in /proc/partitions. When I run "lsub" command I get the following: bob@bob-desktop:~$ lsusb Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 003 Device 003: ID 04b3:3003 IBM Corp. Rapid Access III Keyboard Bus 003 Device 002: ID 04b3:3004 IBM Corp. Media Access Pro Keyboard Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub bob@bob-desktop:~$

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• Black screen after installing Ubuntu 11.10

  - by Abbas

  I downloaded Ubuntu 11.10 one week ago and burned it to a CD. I installed it on my system which has a 1.5 TB hard. It installed successfully and I clicked on the restart button. The computer restarted and I chose the first option, which was to load Ubuntu. A black screen would appear with a cursor in top left hand side and I think the system was hung. I repeated this process by erasing the last Ubuntu install but I faced a similar problem. Can anybody help me?

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• Use two networks at the same time?

  - by Christopher

  I want to use Ubuntu 10.10 Server in a classroom, a computer lab whose bandwidth is provided by a local cable ISP. That's no problem, though the school network has an IP printer that I want to use. I cannot reach the printer through the cable Internet. But, I have two network cards. How is it possible to use both networks at once? eth0 (static 192.168.1.254) is plugged into a four-port router, 192.168.1.1. On the public side of the four-port router is Internet provided by the cable company. I also have the classroom workstations plugged into a switch. The switch is plugged into the four-port router. The whole classroom is wired into the cable Internet. The other NIC, eth1, could it be plugged into an Ethernet jack in the wall? It uses the school network, and I might receive by DHCP an IP address like 10.140.10.100, with the printer on maybe 10.120.50.10. I was thinking about installing the printer on the server so that it could be shared with the workstations. But how does this work? Can I just plug eth1 into the school network and access both LANs? Thanks for any insight

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• How do I modify these VPN connection settings for Xfce?

  - by Dave M G

  I have signed up for a VPN (Virtual Private Network) service, and I configured it for use on my computer that runs Gnome Classic with the following instructions: In Terminal, install openvpn packages with sudo apt-get install network-manager-openvpn. 1. Restart the network manager with sudo restart network-manager 2. Run sudo wget https://www.xxxxxxx.com/ovpnconfigure.zip 3. Extract the files from the zip with unzip ovpnconfigure.zip. 4. Move cert.crt to /etc/openvpn 5. Open the Network Manager on the menu bar. 6. Choose add and select the OpenVPN connection type, and click Create. 7. Enter Private Internet Access SSL for the Connection Name. 8. Enter xxxxxx.xxxxxxxx.com for the Gateway 9. Select Password and enter your login credentials. 10. Browse and select the CA Certificate we saved in Step 3. 11. Choose Advanced and enable LZO Compression. 12. Apply and exit. 13. Connect using the Network Manager. It worked, but now I want to set up access to the same VPN service on another machine that runs Mythbuntu, which uses Xfce as its desktop manager. So every point from 5 on doesn't apply. How can I modify the above instructions so that I can get my VPN service working with Xfce. As a further note, while I can access the Xfce desktop directly if I need to, it's more convenient for me to access it via the command line and SSH from on of my other computers. A command line process would be ideal. (I looked for this, and found instructions only for PPTP access, whereas I need OpenVPN.)

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• Flashing task bar(firefox) in lxde panel and ubuntu internal error

  - by arroy_0209

  I have upgraded from ubuntu10.04 to 12.04 and installed lxde. The panel is now customized according to my convenience. The problem is there was a default checked option for "Flash when there is any window requiring attention" in Task bar(window list) and now when I run firefox, at times the concerned bar in the panel window list starts flashing but it is not clear exactly why at that moment firefox requires my attention. Normally this happens after I download some files (pdf files) and keep using firefox. The only solution I have found is to quit firefox and even after that I receive this message "Sorry, ubuntu12.04 has experienced an internal error. If you notice further problems, try restarting the computer." As usual I report the detailed message to ubuntu as suggested and finally restart the computer. So there are two problems, first, exactly why firefox needs my attention at times and second, why immediately after this, ubuntu experiences an internal error. Please suggest what I should do.

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• How to customize live Ubuntu CD with my own branding?

  - by Ahash

  I would like to create a customized UbuntuOS (Live CD/DVD) for my office and house by installing some additional packages. I have followed this link but it doesn't seems to work. Can anyone provide clear instructions? Customize Packages that I want to install: KDE Desktop Enviornment Thunderbird VLC Player WIne Programme Loader Skype Playmouth Manager Super Boot Manager Synaptic Package Manager Changes that I need: Different default Ubuntu wallpaper Installing KDE Environment Changing Boot (Splash) Screen with my customize theme I want to installing ubuntu With 2 Language, Bangla & English Please Note, I do not prefer Remastersys, manual way will be appreciated.

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• Repair ext4 filesystem on USB drive

  - by phineas

  Yet another filesystem question. I wanted to use a USB drive that I hadn't mounted for a month or so and was surprised by the fact Ubuntu was unable to mount it. I looked it up in the disk utility and it said it discovered a device with 17 MB instead of 2 GB. The hardware looks intact, I hope for the best for repairing the ext4 filesystem. I followed the instructions from HOWTO: Repair a broken Ext4 Superblock in Ubuntu, but I wasn't successful. # fsck.ext4 -v /dev/sdb e2fsck 1.42.5 (29-Jul-2012) ext2fs_open2: Bad magic number in super-block fsck.ext4: Superblock invalid, trying backup blocks... fsck.ext4: Bad magic number in super-block while trying to open /dev/sdb The superblock could not be read or does not describe a correct ext2 filesystem. If the device is valid and it really contains an ext2 filesystem (and not swap or ufs or something else), then the superblock is corrupt, and you might try running e2fsck with an alternate superblock: e2fsck -b 8193 Filesystem blocks are invalid, however when I run the recommended solution to try the alternate superblock, I get the following output: # e2fsck -b 8193 /dev/sdb e2fsck 1.42.5 (29-Jul-2012) e2fsck: Invalid argument while trying to open /dev/sdb plus the same error message as in the last paragraph above. Any ideas how to recover the drive? Thank you very much! Edit: testdisk won't help. I'm still stunned why the tools only discover 17 MB.

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• To make or not to make...python-nautilus a dependency?

  - by George Edison

  That is the question! Okay, all silliness aside, I really am forced to make a difficult decision here. My application is written in C++ and allows other scripts to invoke methods via XML-RPC. One of these scripts is a Nautilus extension written in Python. The extension is packaged with the rest of the application and copied to the appropriate place when installed (/usr/share/nautilus-python/extensions). Now the problem is that the Nautilus extension requires the python-nautilus package to be installed to be operational. So therefore I have three options: Make the python-nautilus package a dependency. This option will ensure that anyone who installs my package will be able to use the Nautilus extension. However, this option will not be attractive to XFCE or KDE users - a ton of python-nautilus's dependencies will be installed on their machines and take up a lot of space - even if they never use Nautilus. Put the python-nautilus package in the suggests: or recommends: field. This option provides the end-user with a way to avoid installing the python-nautilus package (by providing the --no-install-suggests or --no-install-recommends argument to apt-get). However, this won't work when the user installs the package in the Software Center. (I always get mixed up as to which of those two fields are installed by default.) Prompt the user when the application is installed or first launched. This option is more complicated than the others but offers the best compromise between making it easy for the user to install python-nautilus (without going into a technical explanation) and not installing it when the user doesn't need it (or want it). I guess the best way to implement this is a simple prompt that invokes apt-get if the user would like the package installed. Don't install the package at all. This option ensures that nobody has python-nautilus installed on their machine unless they want it. However, this also means that my Nautilus extension will simply not run on the end-user's machine unless they manually install the package. Which of these options seems the best choice? Have I missed any pros and cons for each of the options?

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• Low graphics mode on ubuntu 12.10 with intel 4000

  - by Amey Jah

  I recently upgraded to 12.10 (fresh install). Now I am facing wierd problem, randomly for when I boot I get a message of low graphics. For now, I switch to console using alt+f1 and then rebboot. On reboot, I select recovery mode, allow system to boot and then again reboot. Now I select normal mode and my graphics loads smoothly. Could you please tell me what could e the issue? I have Dell inspiron 5230 with Intel 4000 onboard graphics. --Amey

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• How to remove the black bar at the top of my screen?

  - by Casper Li

  The display area is not fit to my monitor(1440x900) and there is a black bar at the top of my screen. The bottom of the display area can't be displayed. How can I deal with this problem? Moreover, I don't know how to install my display card's driver(MSI R4770 Cyclone). Do I need to install it? Here are some related pictures : My monitor My monitor Displays xrandr Thank you for your attention

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• Help building pygtk application

  - by umpirsky

  This is my application. It is created with quickly. I would like to package it for Ubuntu now. I tried to package it with uickly, but that failed. At first, I was trying to install it using setup.py. But it is only copied in python lib dir, no icon, no desktop file installed. Then I tried to follow this guide, but I ended up with package without icon and it was of bad quality, but most important of all, it does not use setup.py, and it was pretty complicated. I would like to automate packaging process Can someone point me in the right direction, some examples of existing apps that have automated packaging etc? Thanks in advance.

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• Good application for taking notes on 12.04?

  - by Ankit

  Is there a good note taking application in ubuntu like Evernote exists for windows and Mac users. Requirements for good applications:- A thumbnail/list preview for all the created notes. An integration with the email address so that we can view the notes anywhere anytime. Any easy way to input text, video, pdf, images etc. I have tried tomboy, basket notes. They aren't that good. Edit: Trying to install nevernote from an external source. But it has not satisfiable Further trying to install libssl gives the following error The following information may help to resolve the situation: The following packages have unmet dependencies: libssreflect-coq : Depends: coq-8.3pl3+3.12.1 but it is not installable libssreflect-ocaml : Depends: libcoq-ocaml-4zyg6 but it is not installable libssreflect-ocaml-dev : Depends: libcoq-ocaml-dev-4zyg6 but it is not installable E: Unable to correct problems, you have held broken packages. Anything that I might be doing wrong?

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• Ubuntu 12.04 update + VirtualBox VM 4.1.14 r77440 - No input

  - by Gubatron

  I can only enter my password with the keyboard and this is what I see after I login If I try to switch to a terminal with CtrlAlt+F1 I get this I don't have a clue how to fix this, or if it's even possible to fix this without access to a terminal. The recovery console does not work either. It opens, but keyboard input doesn't seem to be working for it either. Anybody had this happened? Update (next day) Keyboard input lets me do Alt+F2 and invoke a terminal, but I can't change focus to the terminal window that opens. Any tip on how to switch focus (Alt+Tab wont work) to the terminal window. Maybe looking at this you might have a clue what's going on, maybe there's no window manager loading?

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• How can I optimise ext4 for reliability?

  - by amin

  As ext4 was introduced as more reliable than ext3 with block journals, is there any chance to suppose it 100% reliable? What if enabling block journaling on it, which is disabled by default? As friend's guide to explain my case in more detail: I have an embedded linux device, after installation keyboard and monitor is detached and it works standalone. My duty is to make sure it has reliable file-system so with errors there is no way for manual correct faults on device. I can't force my customer to use a ups with each device to ensure no fault by power-failure. What more can ext4 offer me besides block journaling? Thanks in advance.

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• Search for duplicate prefix of file names

  - by Mia

  I have a folder contains files name as: xxx.get.txt and xxx.resp.txt xxx.get.txt, xxx.resp.txt yyy.get.txt, yyy.resp.txt zzz.get.txt, zzz.resp.txt, etc each prefix xxx should have two corresponding files, .get.txt and .resp.txt However, now I calculate the number of .get.txt and the number of .resp.txt files, they are not equal, there're ten more .get.txt. I want to find out, which .get.txt files do not have ´.resp.txt´ file Is it possible? Many thanks!

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• Java 1.7 update 07 and Google Chrome

  - by Peter

  I've just updated Java from 1.6 to 1.7 via the Software Centre - removing the old Java 1.6 and selecting the new Java 1.7. Firefox works fine. But when I use Google Chrome to access a Java test website it says the Plugin is out of date. I click on run anyway and it says that it's running version 1.7. I've cleared Chrome's Cache and Plugin data and this hasn't changed anything. Anyway ideas? (Ps. It's Ubuntu 12.04 64 bit)

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• How do I get the Netgear N150 USB wifi adapter working on 12.04?

  - by Jon

  Just installed latest version of ubuntu. I'm using a Netgear N150 Wireless USB Micro Adapter WNA1000M which keeps asking for network password over and over. I read elsewhere that I needed to install the latest driver for my chipset (RTL8188CUS) which I have and still no joy. If I run the steps listed in this thread while connected through ethernet, the wireless will connect just fine. If I disconnect the ethernet, the wifi will even continue to work, but after a restart or two I will lose connection. If I repeat the steps listed in the aforementioned thread, it will not re-connect wifi unless I run those steps while connected to ethernet.......so strange...

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• How to create a restricted SSH user for port forwarding?

  - by Lekensteyn

  ændrük suggested a reverse connection for getting an easy SSH connection with someone else (for remote help). For that to work, an additional user is needed to accept the connection. This user needs to be able to forward his port through the server (the server acts as proxy). How do I create a restricted user that can do nothing more than the above described? The new user must not be able to: execute shell commands access files or upload files to the server use the server as proxy (e.g. webproxy) access local services which were otherwise not publicly accessible due to a firewall kill the server Summarized, how do I create a restricted SSH user which is only able to connect to the SSH server without privileges, so I can connect through that connection with his computer?

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• can't run this shell script

  - by user2413

  So I'm trying to install this script I do copy the folder in ~/Documents/icambridge-get-shit-done-1222b6b change .bashrc (the one in the user directory, is that the right one?) by adding a line PATH=:~/Documents/icambridge-get-shit-done-1222b6b”${PATH}” set the files in icambridge-get-shit-done-1222b6b as execs using sudo chmod +x type sudo ./get-shit-done and i get: /usr/bin/env: php: No such file or directory What is the problem?

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• Freeze when installing 13.10

  - by ckiwun

  guys! I encountered an installation problem when I try to make a dual boot computer of win8 and ubuntu 13.10. I follow this guide:http://overtond.blogspot.tw/2013/10/ubuntu-on-gigabyte-p34g-ultrablade.html because the same of the laptop GIGABYTE p34g. I disabled the secure boot(as well as 3D graphic acceleration and Intel rapid start as the above script advised) and start installing. However, installation got stuck like this(http://ppt.cc/iMYQ). I have been bothered by this for a week. Any advice would help, thanks!

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