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• Manually activate Network Manager Applet

  - by diosney

  The issue I've is that when I connect via modem through gnome-ppp the Network Manager Applet don't detect a connection and don't let me use the configured VPNs via its interface. How Can I manually activate the Network Manager Applet? What I need is to enable the Network Manager apple in order to use the "VPN Connection" section of the GUI. When I don't have an ethernet cable connected and I connect through a modem the Network Manager applet doesn't enables itself, it is like if don't recognizes the ppp0 interface. My question is: there is a way to force the Network Manager GUI indicator to make it "alive"/"up"/"enabled" in order to use the "VPN Connections"section? Thanks in advance.

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• How to I change from ubuntu to xubuntu?

  - by GUI Junkie

  I've read this Q&A and I'm ready to try it with Xubuntu. That is, I'll go from Ubuntu to Xubuntu. At this moment, my laptop is slow, even after the various optimizations. My question is whether this is the correct way to proceed. sudo apt-get upgrade # upgrade all existing packages to newest version sudo do-release-upgrade # upgrade system (takes some hours) sudo apt-get xubuntu-desktop # switch to Gnome on login Remove the ubuntu-desktop package (Which command should I use?)

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• dhcp configuration not working ubuntu 11.10

  - by Vivek Pradhan

  I am usually behind a proxy server in college so I connect to the ethernet or wifi using manual IPv4 addresses only inside college. I have been trying really hard to get the internet work at home, there is no proxy and I have set the network to use automatic dhcp. It seems like it is not able to connect to the port, It gets disconnected after some time automatically and then tries to reconnect. The same thing is happening with wifi networks also, after some time i see a pop up asking for authentication and ultimately its not able to connect. What might be the problem here. I looked up some similar questions and checked the /etc/network/interfaces file and looks like this: auto lo iface lo inet loopback I have no idea what those lines mean but there is no configuration for eth0 or wlan0. Any help is deeply appreciated. Ubuntu loses it charms due to these small glitches.

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• Ubuntu 12.10 - VirtualBox not sharing internet with guest system

  - by Fernando Briano

  I went from ArchLinux to Ubuntu on my dev box. I use VirtualBox to test web sites on Windows and IE. I have my Windows 7 VirtualBox image running on Ubuntu's VirtualBox. Back with ArchLinux, internet worked "out of the box" on the Windows boxes. I left the default options on the box's Network Options (NAT). The Windows machine shows as "connected to ethernet" but reports: The dns server isn't responding So I can't access Internet from there. I tried searching for Ubuntu's official docs but they seem pretty outdated. I tried using my old boxes from Arch (which boot normally but have no internet) and creating a new box from Ubuntu itself, but still get the same results. Update: I'm using VirtualBox 4.1.18 from Ubuntu's repository (apt-get install virtualbox).

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• System freeze after opening Wi-Fi menu can boot into the machine and use Internet in recovery mode

  - by Michael

  So right now sitting in front of my Alienware area 51 desktop. It has a Broadcom Netlink BCM 5784M gigabit ethernet PCI E card. Most of the time able to get through the login screen and to the main screen if I click on the wireless settings on the top right-hand corner the system immediately freezes the cursor does not move at all keyboards are unresponsive. I was doing some quick Google searching and I found a suggestion to boot into recovery mode I did this and did a apt-get Distribution update which ran successfully installed then I rebooted into the regular system same thing I'm pretty sure it's the network card because even if I don't click the settings if a network related dialog opens such as disconnection or connection the system again immediately freezes. I'm running Ubuntu 13.04 ** update 1 ** Just was able to use my system for a little bit however when I went into Firefox and hit the web it again froze so obviously a driver problem but I'm not sure how to get drivers for Broadcom which apparently according to the description on stack-overflow is terrible Any ideas? Sorry for lack of punctuation on an ipad.

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• Unity bar only shown in Desktop - Alt+Tab doesn't show anything

  - by Christian Vielma

  I've experienced something weird with Unity and that is that sometimes the Alt+Tab switcher stops showing (yes, only showing because I can still to blind switch between applications), and the left unity bar is only shown on the desktop. I might think that it's compiz, but the rest of the effects are ok :S I don't have the exact sequence to repeat this error, it seems to be random :S Do you know what could it be?

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• Management Software in Java for Networked Bus Systems

  - by Geertjan

  Telemotive AG develops complex networked bus systems such as Ethernet, MOST, CAN, FlexRay, LIN and Bluetooth as well as in-house product developments in infotainment, entertainment, and telematics related to driver assistance, connectivity, diagnosis, and e-mobility. Devices such as those developed by Telemotive typically come with management software, so that the device can be configured. (Just like an internet router comes with management software too.) The blue AdmiraL is a development and analysis device for the APIX (Automotive Pixel Link) technology. Here is its management tool: The blue PiraT is an optimised multi-data logger, developed by Telemotive specifically for the automotive industry. With the blue PiraT the communication of bus systems and control units are monitored and relevant data can be recorded very precisely. And here is how the tool is managed: Both applications are created in Java and, as clearly indicated in many ways in the screenshots above, are based on the NetBeans Platform. More details can be found on the Telemotive site.

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• What is wiser for me? Eclipse or IntelliJ aka not another IDE war. [closed]

  - by Xorty

  I hope you guys won't take this as attempt of flamewar :) I am quite happy Eclipse user atm, but I am having little dilema: All big companies in my area are using Eclipse, and I quite like Eclipse, but IntelliJ is simply smarter and comfortable in some things. What would you do? If I decide to switch to IDEA I am afraid that I'll regret it someday ... And I don't want to remember like all shortcuts in both eclipse & IDEA, that's simply too much :)

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• How to remove outlines around windows when switching with Alt+Tab?

  - by Oxwivi

  When I switch windows on current Unity using Alt+Tab, I get an ugly outline of size of the selected window occasionally showing on random places. Is there a way to change this outline to something better looking or eliminate it altogether? NB These outlines appear on Ubuntu Desktop without any effects enabled. Outlined Firefox Outlined Nautilus Outlined Terminal Click on the images to better view the outlines in question.

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• Should I blog in english or in my native language?

  - by Jérémy

  I had a blog which was written in my native language, but now I'm wondering if I should switch to english because of a wider audience. For sure, I want to share my knowledge, but at the meantime I'd like to get hired or be recognized from my peers. Reputation can be important and it can help in making my professional network larger. Do you have any feedback? Btw, my native language is french if that matters.

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• Wireless connects but can not connect to internet

  - by Dan

  I'm using Ubuntu 11.04 and I'm having trouble connecting to internet via wifi. Ethernet cable works though. So when I log on it auto logs on to my wifi connection at home but after about a minute or so it gives me a popup: network disabled something about .local domain and something about Avahi network (sorry if you need more on what the popup says I will reboot and look at it again). I am using Atheros wireless card. My laptop is Asus G73SW and on the forum at notebookreview.com G73SW Owner's Lounge people said they had no problem with connecting via wifi from install. Please help me because I would love to keep using this beautiful OS.

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• How to Disable Application Switching in Windows 8

  - by Taylor Gibb

  Application switching allows you to quickly switch between your open Metro apps by sliding your finger across the left side of the screen, or moving your mouse to the corner. If you don’t like this behavior, it’s easy to disable. How to Stress Test the Hard Drives in Your PC or Server How To Customize Your Android Lock Screen with WidgetLocker The Best Free Portable Apps for Your Flash Drive Toolkit

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• ubuntu 12.04 internet stopped working

  - by Daniel

  My laptop was running smoothly until yesterday. Today, I can't connect to the internet at home anymore. I am only able to access the router, but no internet access. A have a Dell Latitude E6320 with ubuntu 12.04. At my job, I don't have any problems connecting this laptop both via wireless and ethernet. At home, if I try connecting it through Windows it does work fine. I even checked the MAC addess and it's OK. My other laptop, which also runs ubuntu, is not facing this problem. I have already tried to restart and downgrade network-manager package and its dependecies. Anyone can help me please??? I am affraid I will have to reinstall everything...

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• VirtualBox: Import on different platform

  - by katsumii

  VirtualBox behaves almost the same on different OSes but the default network name for host-only network is different.The picture below is from Windows. On Linux, it will be named "vboxnet0" by default.This causes a problem on cross-platform export/import and it's already reported.#7067 (VERRINTERNALERROR: Inexistent host networking interface, named 'vboxnet0') – Oracle VM VirtualBoxVERR_INTERNAL_ERROR: Inexistent host networking interface, named 'vboxnet0'There are at least 2 workarounds.Open the imported VM in VBox GUI and pick correct network.Run CUI command like below. This one is for Windows.VBoxManage.exe modifyvm node1_1  --hostonlyadapter1 "VirtualBox Host-Only Ethernet Adapter"

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• How to install Edubuntu on a system with low memory (256 Mb)?

  - by int_ua

  I'm preparing an old system with 256 Mb RAM to send it to some children. It doesn't have Ethernet controller and there are no Internet access at the destination. I've chosen Edubuntu for obvious reasons and modified it with UCK trying to minimize memory usage just to install, let alone using it yet. But Ubiquity won't start even in openbox (edited /etc/lightdm/lightdm.conf) because there are no space left on /cow right after booting. I've already deleted things like ibus, zeitgeist, update-manager (no network access after all), twisted-core, plymouth logos. I'm thinking about creating a swap partition on HDD, can it be later added to expand this /cow ? Is there a package for the text-mode installation which is used on Alternate CDs? I don't want to re-create Edubuntu from an Alternate CD. This behavior is reproducible in VM limited to 256Mb RAM.

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• Internet stopped working suddenly on 12.04

  - by Daniel

  My laptop was running smoothly until yesterday. Today, I can't connect to the Internet at home anymore. I am only able to access the router, but no Internet access. A have a Dell Latitude E6320 with Ubuntu 12.04. At my job, I don't have any problems connecting this laptop both via Wireless and Ethernet. At home, if I try connecting it through Windows, it does work fine. I even checked the MAC address and it's OK. My other laptop, which also runs Ubuntu, is not facing this problem. I have already tried to restart and downgrade network-manager package and its dependencies. Can anyone help me please? I am afraid, I will have to reinstall everything.

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• Depth buffer values reset on change shader?

  - by bobobobo

  I have 2 different shaders, and when I change the shader (glUseProgram), it seems that the depth information is lost, because everything drawn with the 2nd shader appears completely on top of anything drawn by the first shader. If I switch the order of shader use/drawing, then it's the same (the last drawn object always appears on top of the first drawn object if there is a shader change between the 2 objects, even if the last drawn object is further away)

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• "Operating system not found" after upgrading to 13.10

  - by Hongbo Zhu

  I own a Thinkpad X121e and I upgraded its Ubuntu from 13.04 64bit to 13.10 64bit using the Update Manager. When the upgrade process suggested to restart the system, I restarted the computer and now it says "Operating system not found" after a very brief splash screen. The splash screen says something like (too brief to see everything): Intel UNDI, PXE-2.0 ... For Atheros ethernet Controller ... Check cable connection! PXE-MOF: Exiting INTEL PXE ROM I prepared a startup USB disk using Ubuntu 13.10. I tried the startup USB and it works very well on other computers. So I changed the booting order of X121e and tried all three USB slots, all said "Operating System not found" without any splash screen. I also tried using startup USB with 12.04 LTS. Same results. I do not really want to reinstall the system now. Any hints on how to proceed?

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• Auto Selecting Cultures for Localization in ASP.NET

  - by Rick Strahl

  When creating multi-language Web sites, one of the key issues you need to deal with is how to assign a culture to display the appropriate resources. Whether you need to auto-switch locales based on browser language, or explicitly assign a locale based on user preferences there is generally some code logic involved in making these decisions. In this post I show what options are available and a small helper that simplifies setting the culture in ASP.NET applications.

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• 2 internet connections

  - by oshirowanen

  If I have a wireless and a usb internet connection on my Ubuntu 12.04 as in: At the moment, Ubuntu seems to only make use of the Wired connection which is the usb connection. Is it possible to get ubuntu to use the wireless connection without unplugging the wired connection? So basically, as will, I would like to switch between the connections without unplugging any of them while leaving them both enabled. Is this possible?

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• Slow wireless about 1/3 bandwidth of wired from cable modem

  - by Rhino

  HP DV6000 Wireless G Broadcom Netgear WNDR3400 router properly configured. Windows laptops using wireless G and N are considerably faster than mine. 12.04 LTS, all restricted drivers and all up to date. 50Mbps wired and 9-21 Mbps wireless on Ubuntu. 00:14.0 Bridge [0680]: NVIDIA Corporation MCP51 Ethernet Controller [10de:0269] (rev a3) Subsystem: Hewlett-Packard Company Presario V6133CL [103c:30b7] Kernel driver in use: forcedeth 03:00.0 Network controller [0280]: Broadcom Corporation BCM4311 802.11a/b/g [14e4:4312] (rev 02) Subsystem: Hewlett-Packard Company Broadcom 802.11a/b/g WLAN [103c:1370] Kernel driver in use: wl

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• Ubuntu 12.04 lts cannot build a wireless connection

  - by Jupiterr

  Hi i just got a new notebook and it came with ubuntu 12.04 lts operation system. But it can't make a wireless connection. I plugged in my Ethernet cable and i can reach the Internet with it but I need wireless connection so much. This is the first time I'm using ubuntu so i'm really confused. I can see wireless networks (including mine) but i cannot use them. It seems like it's establishing a connection but soon it gives up. Please help, I don't have much time for this and I do not have any idea about operation systems.

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• Enabling a multi display desktop completely broke Gnome Shell. Help?

  - by Chintan Parikh

  I've been trying to get my dual desktops working on Ubuntu for a while. I previously had them as one large desktop, but that was incredibly slow for some reason. I tried to switch them to multi display desktop on the AMD Catalyst Control Center. Here's what I get after restarting and logging in: http://i.imgur.com/SEjgU.png I'm running an AMD Quad Core A6, AMD Radeon 6540G2 GPU, 16GB Ram. Ubuntu 12.04 Any ideas?

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• How can a Cisco Aironet wireless card connect to a WPA encrypted network?

  - by Aibara Iduas

  I have a Thinkpad T40 running Ubuntu 10.10. I want to connect to wireless networks with WPA encryption; they appear in the network list, but are grayed out. The card does support WPA, since it works in Windows. In 10.10 the wireless works just fine with unprotected and WEP networks, but cannot connect to any WPA networks. The card is a Cisco Aironet Wireless 802.11b. I've been reading a lot of forum posts trying to find a solution, but either encounter threads where no solution was found or answers longer apply (most date from 2007, since this isn't the newest of computers). Here is the output of sudo lshw -c network: *-network:1 DISABLED description: Wireless Interface product: Cisco Aironet Wireless 802.11b vendor: AIRONET Wireless Communications physical id: 2 bus info: pci@000:02:02.0 logical name: eth1 version: 00 serial: 00:02:8a:78:6a:44 width: 32 bits clock: 33MHz capabilities: pm vpd bus_master cap_list rom ethernet physical wireless logical configuration: broadcast=yes driver=airo latency=64 maxlatency=4 mingnt=4 multicast=yes wireless=IEEE 802.11-DS Thanks, any help would be greatly appreciated!

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• Any command line calculator for Ubuntu?

  - by AgentCool

  I am looking for a Calculator which can do calculations in the terminal itself without any other extra prefixes and suffixes. For example: If I typed something like 10000-9000 in the terminal, the answer should come out as 1000. Once again I am saying, I just need a quick calculator in terminal, without any characters added. I know if I switch to Python, it can do that but I don't want it in such a way.

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