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• How to fix "error: unknown file system" on all available partitions

  - by Jonathan

  I've had a running problem with removing Linux from my Windows 7 laptop. Initially, it was installed as a dual-boot, and worked well. To remove, I deleted the partitions on my laptop. This removed grub, and I was left with needing to enter: set root=... set prefix=... insmod normal normal each restart. I didn't restore the Windows boot-loader and have since re-partitioned my drive. Now, upon reaching the command prompt screen, an ls query showshd0, with three partitions, but none of them have a recognizable boot-loader as each returns with error: unknown file system. Booting from a Windows 7 rescue disk doesn't seem to work, as it sends me to the same command prompt terminal. All I'm looking to do is restore the boot-loader, either grub or Windows 7. Any help would be appreciated. Thanks in advance.

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• How to install again Update Manager after uninstalling it

  - by biezdar

  Ok, the thing is this I tried asking many times on few ubuntu forums how to deal with my non-responsive Update Manager, but all I was getting was the same stuff (run it from the terminal, run some lines, apt-get update blah blah). Nothing was helping. Eventually I went mad Windows style and tried to simply uninstall it and install it again. The problem is - how to install it again? Can't do it through Software Center, can't really build a package (because I'm too stupid to do that). And I seriously want to avoid reinstalling the whole system. I am running a 12.04 verison (Update Manager was unable to update to a newer one) Please help. I am furious with this thing.

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• IP/PORT forward requests to another server

  - by DT.DTDG

  I have the following listening PORT:IP set up on my UBuntu server. 12.345.67.890:3636 It receives requests perfectly, however, I would now like to forward any requests to that IP:PORT to another IP:PORT, i.e.: 09.876.54.321:3636 Essentially I want to do a request forward 12.345.67.890:3636 -> 09.876.54.321:3636. How can I go about it in Terminal and if I wanted to change it back how can I go about that too? Is there also a way to test that the data is forwarding and it is setup properly? Thanks! Edit: Can I just do as follows, just wondering how I would go about testing it and how I could disable it? sysctl net.ipv4.ip_forward=1 iptables -t nat -A PREROUTING -p tcp --dport 3636 -j DNAT --to-destination 09.876.54.321:3636 iptables -t nat -A POSTROUTING -j MASQUERADE

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• Open screen and run some projects and applications

  - by trex

  I am a python web developer, I need to run my local 3-4 django projects in screen sessions and need to launch some of my applications like skype, chrome, eclipse and a text file daily status.txt. Is there any way to write a script to launch all of them by running a shell script only? #!/bin/bash # gnome-terminal -e "screen -dmS myapps" #(Attach following command to one of the screen) cd /var/opt/project1 python manage.py runserver 127.0.0.1:8001 #(Attach another command to one of the screen) cd /var/opt/project2 python manage.py runserver 127.0.0.1:8002 #(Attach another command to one of the screen) cd /var/opt/project3 python manage.py runserver 127.0.0.1:8003 #start my applications eclipse skype gedit "/home/myname/Desktop/daily status.txt" [...] Can one help me to write a shell script to do this.

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• How do I increase the touchpad sensitivity on Acer Aspire One 532h?

  - by Yossi Farjoun

  I got a cheap netbook and put ubuntu on it without even booting into the windows it came with. I am now slightly regretting it since the trackpad is very annoying, it only registers when I press quite hard on it, and even then the motion is so slow that I must drag me poor finger 3 times to get the pointer to move up or down that tiny screen. OK. enough rant. now business: I went into the setting and increase sensitivity and acceleration to high. No difference. the behaviour did not change at all. So now my questions are: Is this a hardware problem? Is there a program I can run to see what input the trackpad is receiving? so I know if it can, in theory, read the light touch and not only the heavy, sandpaper-your-fingertips-off touch? is there some manual setting that the system might not be setting correctly and which I could change from the terminal?

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• KDE fonts not rendering bold in Ubuntu 12.04

  - by Doran

  I'm using Ubuntu 12.04 with some KDE programs: kate and yakuake. Neither of these programs will render bold font. Instead, the font appears as "Regular". How can I fix this? The image below shows an example of Kate rendering python with the stock python highlighting (the colors are inverted using CompizConfig Settings Manager's Negative option). The following words should have appeared bold: class def __init__ lambda + print Similarly Yakuake (or perhaps, the underlying Konsole) is not rendering bold. My LS_COLORS includes: di=01;34 (bold blue) Below is my gnome-terminal rendering bold fonts just fine.

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• Installling a brother printer in Ubuntu 12.04 (MFCJ6510DW)

  - by Gelterfinger

  I am trying to install a Brother MfCJ6510DW printer on Ubuntu 12.04. I have tried various ways, but nothing woks for me. I have downloaded the drivers from the solutions brother.com I tried to install from the "System setting- printing" on the pull-down menu. There I get the message "failed to read PPL file - it says something about a missing Asterisk in colum1 Line 1 In the terminal I get the message cannot find file or directory. Under localhost:631/printer, I get the message " no such file or directory" I tried to install the file I downloaded from the Brothers Solution Center on the Ubuntu Software Centre, there I get the message " The package is of bad quality" Help I downloaded Mfcj6510dwlpr-3.0.0-1.i386.deb and mfcj6510dwcupswrapper-3.0.0-1.i386 I also downloaded linux-bprinter-installer-1.0.0-1.gz, but this does not help either.

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• sudo does not work in GUI after upgrade to 13.10

  - by Radim

  On 2 completely different machines I have the same problem after upgrading from 13.04 to 13.10: All programs/task requiering sudo permissions (software updater, starting synaptic, installing programs, shutdown) do not start / execute. No gksu (or other) window comes up. Synaptic never shows, software updater pops up with a "you are not allowed to perform this action" message. All programs / task work when started from terminal with sudo, like "sudo synaptics" asks for my password, starts and works as expected. I am in the admin group which is liked in sudoers config (verified with visudo and getent group admin). Some link from GUI to gksu (or similar) is broken. Please help! Radim

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• Installing linux on OCZ RevoDrive3 x2

  - by user2101712

  First of all, here is the configuration of my computer: Motherboard: Asus H87Plus RAM: Corsair Vengeance 32GB Processor: Intel i7 4770 Drive: OCZ RevoDrive 3 x2 (240 GB) (OCZ Revodrive3 is a PCIe module) I am trying to install the latest version of Ubuntu Desktop (13.10). The problem is that in the UEFI (bios) the drive shows up as a 240 GB drive, but in the Ubuntu installer it shows up as two 120 GB drives. If I install Ubuntu in any of these two drives, it never boots. The screen flickers a few times and comes back to the UEFI menu. I have tried reading up and have come across information that the drive has a "fakeraid", and the solution is to use dmraid. However, when I give the following commands in the terminal (from live CD): # modprobe dm_mod # dmraid -ay it says: no raid disks. And the following command: # ls -la /dev/mapper/ just shows /dev/mapper/control How can I install Ubuntu on my computer? what is the correct method?

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• How to set PcManFm as the default file manager?

  - by JarekJ83

  I think Nautilus is so slow, and I'd like to move to PCmanFM, but didn't find any good tips how to do this in Ubuntu 12.10. I have PCmanFM installed already, and I even changed: $ sudo gedit /usr/share/applications/nautilus-folder-handler.desktop [Desktop Entry] Name=Files Comment=Access and organize files Exec=pcmanfm %U Icon=system-file-manager Terminal=false NoDisplay=true Type=Application StartupNotify=true OnlyShowIn=GNOME;Unity; Categories=GNOME;GTK;Utility;Core; MimeType=inode/directory;application/x-gnome-saved-search; X-GNOME-Bugzilla-Bugzilla=GNOME X-GNOME-Bugzilla-Product=nautilus X-GNOME-Bugzilla-Component=general X-GNOME-Bugzilla-Version=3.2.1 X-Ubuntu-Gettext-Domain=nautilus Still slow Nautilus is default one.

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• Design difficulty for multiple panel forms [closed]

  - by petre

  I have form that consists of multiple panel on the right, a treeview on the left and a terminal richtextbox on the bottom. When i click on a node of the treeview i bring up the panel that is attached with the node. For example i have 10 nodes on the treeview, i have 10 panels that are attached to this nodes. On every panel, i have many textboxes, labels, comboboxes etc. I don't dynamically construct and dispose the items on the panels, i create the items in the designer file of the project. In that case, there is a problem. I really find it difficult to align or place items on the panel because there seems a lot of aligning lines on the screen. What should be done to make the design of the panels easy? I don't want to construct items dynamically. Do i have to do that dynamically or is there a design procedure that make this process easy?

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• Question about metacity issue from previous post

  - by Alex Poulos

  Yesterday I had an issue with my 12.04 - 12.04 Does anyone know how to fix this? all of a sudden - my Terminal shortcut doesnt work and windows only appear in top left corner and some configuration causing an issue with metacity making it crash - I was walked through the problem, and found out that by creating another user account and logging onto it - the problem wasn't present anymore on that account but still was present on my old account. So my question is - was the problem just something in my old Home folder? - also - can most issues that occur like this be solved by making a new account and backing up the "Home" folder?

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• Broke my sudoers password, how do I reset it without using sudo?

  - by Eric Dand

  I thought it would be a good idea to finally take the password off my little netbook since it has never actually been of any use, and has mostly just slowed down . But when I went to change my password, there wasn't even an option to make it blank, and any attempt to make it a few easy characters was met with "Password too weak". So I did what any good geek would do and popped open the terminal, read the manual entry for passwd and quickly used the -d option to remove the password from my account. It all went well for a couple days (I even managed to also make my keychain password blank) until I tried to update the thing. My sudoers password is not blank, and it's not my old password. I have no idea what it is. How do I reset it (or even better, make it blank) without the use of the sudo command?

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• Chromium web-app creation doesn't work in 12.10?

  - by speter

  If you create an application of a website in Chromium and choose "desktop", a .desktop file is created. In 12.04, you were able to move it to ~/,local/share/applications/ and then start it from the Dash or the launcher. In my fresh 12.10 installation, this doesn't work anymore. I think the line that is misinterpreted is Exec=/usr/bin/chromium-browser --app=http://buymeapie.com/. If you try to run it from a terminal, you get the following result: 20:32 ~ speter Exec=/usr/bin/chromium-browser --app=http://buymeapie.com/ bash: --app=http://buymeapie.com/: Datei oder Verzeichnis nicht gefunden (English: "File or directory not found"). Can anyone explain or knows a workaround?

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• How to recover my invisible HD again?

  - by pattulus

  I made this several times now, but this time something bad happened. What I did: I installed Windows 7 at a 32GB partition on my slot 2 HD in my MacPro. Windows 7 made a 105MB partition… I knew this before, but what I didn’t know was that this partition is now on my slot 4 HD. My home folder, my private videos and some other stuff are on this 1TB drive. What I found out so far: I’m currently logged in as another admin since my OS partition as well as the two other HD's aren't harmed. Disk Utility: … only shows the 105MB NTSF partition on this 1TB volume. It isn’t showing my old 1TB partition/ex-HD named "storehouse". Only the partition tab is telling me that there now is a 1TB empty free unpartitioned space. Data Rescue II: … is showing the Volume as it used to be with it's old Name "storehouse". A quick scan and a thorough scan both were done in 1 second which leds me to the conclusion that there's isn’t something deleted at all (» hope!). Data Rescue doesn’t even mention the damn "system reserved" partition. Drive Genius: … also shows the old partition and doesn’t mention the new one. But looking at the info it tells me under "content": FDisk_partition_scheme (instead of Apple_partition_scheme). Well D'oh…. Tech Tools: … doesn’t show the volume, otherwise I'd might have been tempted to press rebuild/repair. What to do next?? I think the best approach is to buy another 1TB HD and let Disk Warrior Clone my old one to it… just to be on the safe side. But what is the best thing to do after this… ???

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• Fonts totally unreadable

  - by user11181

  I've just upgraded from 10.04 to 10.10 and my fonts are all just small rectangles with nothing in them. They are completely unreadable. EVEN THE FONTS IN THE TERMINAL. Thank god the fonts in my Chromium were ok, because I wouldn't be able to find this site or write this message. So far I've tried to use the Appearance - Font thing and it doesn't work. For some reason there was an error with the fonts during the installation. Please help, this is an utter nightmare...

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• The field for entering password freeze if no text is enter quickly after i install cinnamon on 12.04

  - by user109162

  Iam a total newbie to Ubuntu . I installed Cinnamon through terminal . The problem is that when i boot up, if i don't enter the password before 1 or 2 minutes the password field will freeze and won't accept any text inputs.The problem was most likely caused by Cinnamon because i guess the problem started after i tried to install some Cinnamon extensions. Please answer in non-technical way as far as possible. I will never go back to Windows whatever be the outcome. Help me stay on to Ubuntu.

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• uswsusp won't hibernate with freeplane and some websites open

  - by Richard

  I installed uswsusp on my laptop to hibernate faster, which works most of the time, but whenever I have freeplane (and some websites in firefox...can't recall which ones but can probably find some) it fails. In order to hibernate, I have to resort to closing the offending program or webpage - but this kinda ruins the point of hibernating... It fails when I try sudo s2disk in a terminal with freeplane open, but strangely works with sudo s2ram --force. When it fails, it simply switches to the black screen with s2disk: Snapshotting system but then returns to the login screen. When I enter my password, the hibernating indicator continues flashing but goes back to the desktop I left when trying to hibernate. When it works, it works as expected from hibernate, shutdown and resume. I saw another thread discuss fglrx modules and to include it in MODULE="fglrx" in /etc/default/acpi-support, but that hasn't helped me. I'm using Ubuntu 11.10 with an ATI graphics card on an Acer Aspire 6920.

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• How can set up a file sharing server to allow remote access over a WAN?

  - by pst007x

  I want to set up a server to allow remote access over a WAN. The purpose is to allow people to remote connect and download specific files from a specified folder hosted on the server. Is there software available to achieve this, preferably with an interface so I can easily add and remove users, plus monitor who is connected at any time? I have looked around and only found terminal references, and not very clear how to set up. I have a service running on my Win server, but I am hoping to move from that to Ubuntu for my file sharing. I do not want people who access the server to have any local accounts or any access to any folder/files apart from authorised folders/files. Thanks

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• Environment variable blank inside application

  - by Jake

  I have an environment variable that I've set in ~/.profile with the following line: export APPDIR=/path/to/dir When I log in and load up a terminal, I can verify that the variable is set: $ printenv APPDIR /path/to/dir I'm trying to access this variable from within a Qt application: QString appdir = getenv("APPDIR"); QTWARNING("dir: |" + appdir + "|"); The warning window that pops up shows me: dir: || What is going on here? Am I misunderstanding about how environment variables work in Ubuntu? This is with a C++/Qt App on Ubuntu 11.10 x86.

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• Compiz Error After Emerald Install

  - by KoopaTroopa

  Salutations! So, once again, I fell to the allure of the window decorator emerald. Where, just like the first time around, (I know I know) upon attempting to back out of emerald to the safety of compiz I'm faced with a problem. Seemingly after several minutes or after opening Chrome any window that isn't maximised has it's borders removed (so there's no close, minimise and maximise etc buttons). I can get them breifly back if I reload compiz via fusion-icon. After a brief chat on IRC it appears compiz is crashing. Here's a pastebin log of me running compiz via terminal. http://pastebin.com/sK65v4Fi I forgot my two vows of 'Never bother using Windows applications via wine or a VM' and 'Thou shalt never not use compiz'. ***GTK-Window-Decorator log gtk-window-decorator (gtk-window-decorator:11027): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap", Segmentation fault ** also posted on ubuntuforums to widen my scope of help.

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• How to specify 'root' in path in text file

  - by DeanGrobler

  I'm following this tutorial located here on how to create a launcher for eclipse in unity. Everything is going pretty well so far, I've managed to successfully create the launcher but when I click on it, my system complains that the path to the exec is wrong. My exec for eclipse is located here: ~/opt/eclipse/eclipse And if you look at the tutorial you have to create a file and set it's contents like so: [Desktop Entry] Type=Application Name=Eclipse Comment=Eclipse Integrated Development Environment Icon=eclipse Exec=./opt/eclipse/eclipse Terminal=true Categories=Development;IDE;Java; In my case I have to provide the full location for the exec and there are a number of things that I tried that didn't work I set 'exec' to 'Exec=~/opt/eclipse/eclipse' , 'Exec=/opt/eclipse/eclipse' and 'Exec=root/opt/eclipse/eclipse' and none of these worked.. What should I set it to in order to fix the path so that my luancher works? Update------------------ I tried to list those 2 directories and what i get is this:

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• Installing Ubuntu on virtualbox with a windows 8 host

  - by ubershmekel

  Installing ubuntu-13.10-desktop-i386.iso gets me to the graphical login screen but after I enter the password I get a black screen. Ctrl-Alt-F2 brings me to a terminal where I can restart lightdm, enter my password again to see another black screen. The screen saver can actually kick into action there and I was told to update packages, but no unity or other ui, just blackenss. The host is windows8-x64 and Virtualbox 4.3.2. I tried installing ubuntu-12.04.3-desktop-i386.iso but that hung during setup. Is there a way to debug? I'm now trying to install Debian to see if that works but wow the network installer takes its sweet time... Update: Debian does work though it gives me a notification that Gnome 3 failed to load. The visual desktop works though so I don't know if there was a substantive problem.

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• Problems instaling Wine on Ubuntu 11.10

  - by FLopes-Portugal

  I'm new on linux, and I'm trying install wine 1.3 on ubuntu 11.10, with a fresh new full install. I've got the 64bit version. The error, when i try to install via ubunto software packages is: "The package dependences could not be resolved" sorry by the english I tryed free translate from protuguese. wine1.3: PreDepends: dpkg (= 1.14.12ubuntu3) mas 1.16.1.1ubuntu3 vai ser instalado Depends: ia32-libs (= 1.6) mas 20090808ubuntu31 vai ser instalado Depends: libc6-i386 (= 2.6-1) mas 2.13-20ubuntu5 vai ser instalado I try via terminal, withe some help i saw here, but nothing results.. How can i resolve this problem. I want install some applications and some games form windows...

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• Clicking on active apps on unity launcher stopped working

  - by Tim

  I don't know how it suddenly became this but here's what's happening right now: e.g. I have 2 firefox windows open, so I see 2 small arrows on the left side icon of the unity launcher. Before, when I click on the firefox icon, I see 2 small windows of the firefox so I can choose which one. Now it suddenly stopped working. (super+W still works though). The bug on my system applies to all progams with multiple window instances like nautilus, terminal, etc. Please help, I don't know what to do. I also have cairo dock, compiz, myunity installed in my 12.04. I tried searching online to no avail.

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