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• Turning off XON/XOFF when SSHing via PuTTY

  - by Oddthinking

  I have a fresh install of Ubuntu 9.10 on a rented dedicated server. When I ssh to it using PuTTY (on a Windows machine), I find it responds to Ctrl+S and Ctrl+Q as XON/XOFF transmission control (i.e. the terminal freezes everytime I type Ctrl+S until I type Ctrl + Q). This hasn't been a problem on other remote servers, and I realise I don't really have much idea about how this is determined. Is this something that is negotiated at the start of the terminal session, something that is set by the choice of terminal emulation (TERM=xterm, if that helps) or - as I suspect - some setting on the server I am not aware of. How do I tell Ubuntu that it is 2011, and no-one has terminals that rely on XON/XOFF any more?

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• Week in Geek: Microsoft Kills a Huge Spammer Botnet

  - by Asian Angel

  This week we learned how e-mail works, to “fix the Windows Boot Record after a GRUB Loader meltdown, share Mac Folders with a Windows PC, & reinstate the Outlook Reminder Bell”, to use two Android tools to help cut down on phone bills, the first things that our readers recommend doing after installing a new OS, had fun setting up unique desktops with a Terran Solar System Customization set, and more. Photo by Bill Ward’s Brickpile.HTG Explains: What’s the Difference Between the Windows 7 HomeGroups and XP-style Networking?Internet Explorer 9 Released: Here’s What You Need To KnowHTG Explains: How Does Email Work?

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• Unable to login following permission changes in device manager (11.10 + Gnome)

  - by Symanuk

  (Running Gnome 3 on Ubuntu 11.10) Everything working well (at least a couple of months), until recently when I changed the permissions through the device manager on the sda1 /2/ 3 drives, thinking it would save all the switching I seem to have to do between users in order to see / use files I previously copied across from an external drive. Now when I boot up the Ubuntu splash screen loads indefinitely, and if I go in through the GRUB / recover option, i'm getting a load of negative permission messages back (regardless of using the fsck or remount options) Either way = unusable machine (Laptop Dell Inspiron n5050), and no way through to login. I'm looking for: (1) a way back in so any help greatfully received (answers need to be pretty basic as i'm a novice), and (2) if i'm to learn anything, a decent thread on setting permissions within Ubuntu / Gnome 3. I'm new to both Ubuntu & Linux, so please be gentle!! Cheers

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• How to distribute applications?

  - by Dr Deo

  I am new to Ubuntu development. As a learning experience, I have written a custom chat application using qt4 and I want to deploy it in some sort of setup file. Whats the easiest way of deploying an application viz a viz setting desktop icons. automatically requesting for administrator privileges to execute. inserting an entry into the startup menu. automatically compress my application and reduce download size. automatic startup for my application without user intervention I am familiar with using NSIS scripts on Windows, but I don't know where to begin on Ubuntu. I would preffer a solution similar to NSIS scripts.

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• Business not showing up on right hand side of google search

  - by Chris

  The business I work has currently has a verified business Google+ page and in the past this page has shown up as a thumbnail during Google searches. The thumbnail brings up basic information such as our picture and operating hours etc. However, since verifying the business page, the thumbnail overview of our business does not seem to show up anymore. I have tried Google searching our business on several computers and it still just brings up the normal search results. Is there a setting I need to activate in order for the thumbnail to appear? Thanks

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• How do I set a system wide proxy?

  - by armando Armandiano

  I'm trying to set a system wide proxy, and I'm specifically having difficulties with apt-get for installing applications on my Ubuntu. I'm in a university using a proxy server with username/password. I'm aware of setting a proxy with username and password in the following manner: http://username:[email protected]:8080/ But it fails, as a critical example with apt-get. Username contains backslash( \ ) in it and I'm wondering whether that could be a problem for failing. I'd be grateful with any input on this. P.S I'm on Ubuntu 11.04

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• How can I use two video cards to power three screens?

  - by notatoad

  I have two Radeon 6450 graphics cards in my computer, with three screens. Only the screens plugged into the first graphics card are recognized and configurable in the displays setting panel. How can I use the displays plugged into my second graphics card? Both cards are present in lspci: 01:00.0 VGA compatible controller: ATI Technologies Inc NI Caicos [AMD RADEON HD 6450] 01:00.1 Audio device: ATI Technologies Inc NI Caicos HDMI Audio [AMD RADEON HD 6450] 02:00.0 VGA compatible controller: ATI Technologies Inc NI Caicos [AMD RADEON HD 6450] 02:00.1 Audio device: ATI Technologies Inc NI Caicos HDMI Audio [AMD RADEON HD 6450] I'm using the open source driver instead of the proprietary driver because the proprietary driver won't output 1440x2560.

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• Problem with NVIDIA G86 on Kubuntu 12.04

  - by Stefan

  I got problems some weeks ago with my NVIDIA G86 (8500 GT), supposedly due to the infamous 295.40 version of the driver. I got errror messges like NVRM: RmInitAdpterFailed. Tried varous sugestions about setting kernel acpi and memory options, but no luck. I pulled in x-swat and got 302.17, if I remember correctly. It did not help. People recommended xorg-edgers , so I pulled that in and got kernel 3.5.0.12 and nvidia 304.43 but the problem remained. Getting slightly panicked, I tried to back back to vanilla 12.04, so I purged nvidia* and located and removed anything on the system that smelled nvidia. I installed nouveau, cause people said it was great, but as it turns out, my card does not seem to be supported. :-( Sigh... So now I fear that I have atmessed up system, and graphics is terrible. Any help would be appreciated. Xorg.0.log: http://paste.ubuntu.com/1189616/ kern.log: http://paste.ubuntu.com/1189634/

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• Upgrade to Quantal unity top bar, side bar, and window declorations missing

  - by Nicky Bailuc

  I upgraded from 12.04.1 to 12.10 via the Update Manager and the upgrade said it completed successfuly. However after rebooting the unity task bar was missing along with the launch bar and the window declorations. All compiz settings seemed to be purge deleted, and at first bootup it gave me a system error. The desktop exists, and once I remember I messed up the compiz settings and just had to press Ctrl+Alt+F1 and in the virtual terminal type "unity --reset" then "sudo reboot". Everything worked as if i reinstalled the entire operating system. This time it said “Warning no variable set. setting to :0. The reset option is now dupricated”. What am I suppose to do now? I need this fixed as soon as possible because I need a couple of certainly installed programs and the data within them (long story short).

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• Display current layout (language code/country flag) in keyboard indicator

  - by Jono

  Just upgraded from 10.04 to 10.10, and the keyboard indicator applet no longer displays the two-letter country code for the active layout. This is terrible. Is this the default behaviour? Anyone using two layouts can't tell which language they're in. I can't seem to find the setting for this, it used to be in the preferences for keyboard layout. Update 1: In case this wasn't obvious - I have two keyboard layouts - English and Hebrew. I just upgraded form 10.04, where the country code (USA/IL) was displayed, overlaid on the flag. Now all I get is a vague keyboard icon, and can't find the settings for this. Update 2: this seems to be a bug that people have been reporting since Lucid, and is now back in Maverick

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• Zoneminder user control reset

  - by benjimeistro

  i have ubuntu 12.04 and i think i was an idiot and set all the restrictions to view" in the "users" tab on ZoneManager not "edit" as it should be. Now i cant do anything in the options, ive tried to find the conf file to edit to no avail. Uninstalled Zoneminder, apache and SQLite and reinstalled, but it just reverts all the settings back to the "view" setting. Ive googled all day tried to edit the sql files with sql browser, and it tells me its not a valid sql file.. many thanks in advance for any help. Ben

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• eGalax Touchscreen not working Jolicloud 1.2

  - by craigsmith86

  I have an eGalax touchscreen on an Acer Aspire One running Jolicloud 1.2 I have had success getting this touchscreen to work correctly on ubuntu 10.04NBR, 11.04 and Kubuntu 12.04 and Puppy Linux, so I am pretty happy with how it SHOULD be done. However, I cannot get it to calibrate correctly or remember calibration settings. I have installed the eGalax utility (all available versions) and it does not recognize the screen. Xinput_calibrator works but the config cannot be made permanent. Problems I have identified: -Joli doesn't have an xorg.conf file and does not use xorg.conf.d for evdev configuration -Setting configs through Hal doesn't work anymore The best I can get is a poorly adjusted touchscreen with a reversed Y axis. Any help greatly appreciated

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• Error installing Package Control for Sublime Text 3 on Ubuntu 14.04

  - by user1837378

  This is the error. It comes up when I paste and enter the installation code (which I get from the Package Control website) and each time I open up Sublime Text. Package Control Your system's locale is set to a value that can not handle non-ASCII characters. Package Control can not properly work unless this is fixed. On Linux, please reference your distribution's docs for information on properly setting the LANG environmental variable. As a temporary work-around, you can launch Sublime Text from the terminal with: LANG=en_US.UTF-8 sublime_text I had the same problem with Ubuntu 13.04 so it's probably not version-dependent.

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• Attach a Wordpress.org blog to my BigCommerece Store as a sub-domain

  - by user1323814

  I am stuck in a peculiar situation. I have a store on BigCommerece configured with a domain from GoDaddy (mystore.com). I recently created a custom wordpress blog and hosted it on 1and1 hosting (s418783372.onlinehome.us), since bigcommerece can't host Wordpress. Now I want to use it from a sub-domain of my main-bigcommerece store (models.mystore.com), but it doesn't seem to be working since BigCommerce is the Doman Manager, but GoDaddy is the Domain-Registrar and 1and1 is the host so it doesn't control the domain. I have tried setting up a CNAME record on BigCommerece and when it didn't work asked BigCommerece about it, but they said they can't do anything about it since they aren't the domain registrar and gave me a message saying: The responsiblity to show the name in the browser on the site is up to the server or site admin. The Cname can only get the browser there

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• Keep only essential packages

  - by Stijn

  In an attempt to learn more about Ubuntu and its packages, I want to remove all non-essential packages, so I can install what I need, when I need them and know what they do. I'm using the commands dpkg --clear-selections and apt-get dselect-upgrade for this. I also slightly modify the selection by setting apt libstdc++6 (due to apt) install-info (due to grep) to install again (somehow dpkg thinks they are not essential, but apt-get complains). Is this ok, or is this bad? If it's ok, what do I do with the large list of packages with "deinstall" status in dpkg? An additional note, I'm doing this on a VPS template so I have no control over the initially installed packages.

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• How can I restore a country specific apt-get update mirror?

  - by ferrarimarco

  While configuring my new 13.10 installation, I chose to change the default update server using the "Software & Updates" GUI tool available in the System settings panel. Before this change the selected update server was "Server for Italy" (I live there). Now it's one of the mirrors available in the list of mirrors (one of italian ones). How is "Server for COUNTRY" chosen in the list of mirrors for a country? How can I restore the "Server for Italy" option? Is it advisable to do so? I want to revert that setting because I found that the selected mirror is not up to date (checked from Here).

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• What is a good way to keep track of strings for dictionary lookups?

  - by Justin

  I am working through the Windows 8 app tutorial. They have some code about saving app data like so: private void NameInput_TextChanged(object sender, TextChangedEventArgs e) { Windows.Storage.ApplicationDataContainer roamingSettings = Windows.Storage.ApplicationData.Current.RoamingSettings; roamingSettings.Values["userName"] = nameInput.Text; } I have worked with C# in the past and found that things like using constant string values (like "userName" in this case) for keys could get messy because auto-complete did not work and it was easy to forget if I had made an entry for a setting before and what it was called. So if I don't touch code for awhile I end up accidentally creating multiple entries for the same value that are named slightly differently. Surely there is a better way to keep track of the strings that key to those values. What is a good solution to this problem?

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• Set up Trendnet TEW-638APB Access point on Ubuntu 14.04

  - by Mr. Smileys

  I have a computer running Ubuntu 14.04, it has 2 Ethernet ports. I would like to set up this computer so that the internet comes in on one of the ports and is then shared through the other port with the Trendnet wireless access point that my other devices would connect to and use the internet. I have looked online for information on setting this up but have not been able to find anything. If someone could point me to a guide that would help me or just tell me how to do this in an answer I would really appreciate it. please help me to solve this problem

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• Installing Tomcat 7 using apt-get fails

  - by Hendre

  I get the following error when installing Tomcat7: Setting up tomcat7 (7.0.26-1ubuntu1.1) ... chmod: cannot access `/etc/tomcat7/tomcat-users.xml': No such file or directory dpkg: error processing tomcat7 (--configure): subprocess installed post-installation script returned error exit status 1 No apport report written because MaxReports is reached already Errors were encountered while processing: tomcat7 E: Sub-process /usr/bin/dpkg returned an error code (1) and I get this error when I try to apt-get remove Tomcat7: Removing tomcat7 ... * tomcat7 is not installed invoke-rc.d: initscript tomcat7, action "stop" failed. How do I fix this to install Tomcat 7 correctly?

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• Install Lightscribe on 64 bit AMD Error

  - by user170573

  I am trying to install lightscribe on a 64 bit Ubuntu 12.04. I have installed the 32 bit libs and I keep getting the following message: tedsch47@Ted-Laptop:~/Downloads/Programs$ sudo dpkg --install --force architecture lightscribe-1.18.27.10-linux-2.6-intel.deb (Reading database ... 574566 files and directories currently installed.) Preparing to replace lightscribe:i386 1.18.27.10 (using lightscribe-1.18.27.10-linux-2.6-intel.deb) ... Unpacking replacement lightscribe:i386 ... Setting up lightscribe:i386 (1.18.27.10) ... ln: failed to create symbolic link `/usr/lib/libstdc++.so.5': File exists How do I fix this?

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• How do I *temporarily* change the *console* keymap to dvorak?

  - by John Baber

  I type dvorak, but I don't like to confuse other users by having it be a system-wide default. I have a script that runs setxbmap dvorak that I can call when I want dvorak and likewise another script that runs setxbmap us when I want qwerty. For X, that's fine. How do I get this behavior in the real console (Ctrl-Alt-F3)? i.e. how can I change the console keymap to dvorak without setting a system-wide default. Having to sudo to do it is fine, but it can't be the default keymap for any console user. Resources like this and this seem to be explaining how to permanently alter the system but I need to change it on the fly temporarily. In BSD this was possible by using wsconsctl.

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• jpegexiforient does not seem to work in 12.04

  - by Pointy

  In Ubuntu 12.04, the jpegexiforient command doesn't seem to work. I've got a .jpg file for which exif clearly shows (correct) EXIF orientation information, but running jpegexiforient on the file returns nothing. I don't particularly care about that command, but it makes exifautotran not work. I could (and might) rewrite that script to use exif instead, but I'm just wondering if there's something dumb I'm just doing wrong. I found this somewhat old bug report but its suggestion of running exif to update the setting didn't make any difference. Does jpegexiforient work for anybody?

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• How can I stop a bot attack on my site?

  - by tnorthcutt

  I have a site (built with wordpress) that is currently under a bot attack (as best I can tell). A file is being requested over and over, and the referrer is (almost every time) turkyoutube.org/player/player.swf. The file being requested is deep within my theme files, and is always followed by "?v=" and a long string (i.e. r.php?v=Wby02FlVyms&title=izlesen.tk_Wby02FlVyms&toke). I've tried setting an .htaccess rule for that referrer, which seems to work, except that now my 404 page is being loaded over and over, which is still using lots of bandwidth. Is there a way to create an .htaccess rule that requires no bandwidth usage on my part? I also tried creating a robots.txt file, but the attack seems to be ignoring that. #This is the relevant part of the .htaccess file: RewriteCond %{HTTP_REFERER} turkyoutube\.org [NC] RewriteRule .* - [F]

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• Joomla 2.5 -- Adding a custom field to menu-item-edit-form

  - by philipp

  I would like to add a new Field (Select list of all menu-items) to the menu item-edit form. To do so I was setting up an system plugin with the following directory structure: languageroot/languageroot.php languageroot/form/form.xml As you can see in the posted code, that is all very basic to try out. Only after adding the following lines: <li <?php echo $this-form-getLabel( 'langroot-text', 'main' )? <?php echo $this-form-getInput('langroot-text', 'main' ); ? </li to: /admininstrator/components/com_menus/views/item/tmpl/edit.php a textfield shows up. Is it possible to inject the field without touching the edit.php? Is there anywhere a good tutorial about the JForm api? Is a system-plugin the right kind, or could it be a content plugin, or should it even be a component?

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• Reasonable size for "filesystem reserved blocks" for non-OS disks?

  - by j-g-faustus

  When creating a file system ( mkfs ...) the file system reserves 5% of the space for its own use because, according to man tune2fs: Reserving some number of filesystem blocks for use by privileged processes is done to avoid filesystem fragmentation, and to allow system daemons, such as syslogd(8), to continue to function correctly after non-privileged processes are prevented from writing to the filesystem. But with large drives 5% is quite a lot of space. I have 4x1.5 TB drives for data storage (the OS runs on a separate disk), so the default setting would reserve 300 GB, which is an order of magnitude more than the the entire OS drive. The reserved space can be tweaked, but what is a reasonable size for a data disk? Can I set it to zero, or could that lead to issues with fragmentation?

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