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  • VirtualBox running Ubuntu 11.10 in Win7 is suddenly way too slow

    - by elithin
    For two months I've been running Ubuntu 11.10 64bits in VirtualBox 4.1.12r77245 but today everything has been really slow, freezing all the time. I've had to restart the VM about 7 times already because Ubuntu just freezed in the middle of a task. I'm using my laptop, it's a LG P420 i5 with 4gb ram. I don't know if it could be an update of Ubuntu or VB, but I really need it to work. Any guesses? Thanks in advance

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  • Hard Reset USB in Ubuntu 10.04

    - by Cory
    I have a USB device (a modem) that is really finicky. Sometimes it works fine, but other times it refuses to connect. The only solution I have found to fix it once it gets into a bad state is to physically unplug the device and plug it back in. However, I don't always have physical access to the machine it is plugged in on, so I'm looking for a way to do this through the command line. This post suggests running: $ sudo modprobe -w -r usb_storage; sudo modprobe usb_storage However I get an "unknown option -w" output. This slightly modified command: $ sudo modprobe -r usb_storage Fails with the message FATAL: Module usb_storage is in use. If I try to kill -9 the processes marked [usb-storage] before running they refuse to die (I think because they are deeply tied to the kernel). Anyone know of a way to do this? NOTE: I cross-posted this on serverfault as I didn't know which was more appropriate. I will delete and/or link whichever one is answered first.

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  • error: no such partition

    - by Carwyn
    So i just recently installed Ubuntu Linux 10.04 on my desktop machine alongside Windows 7, it booted just fine the first few times but after i went into my windows 7 recovery software provided by packard bell( i did this on accident BTW i exited it straight away and made no changes as far as i know) and re-booted i get this screen: error: no such partition grub rescue_ PS: i installed it on a USB stick using the ISO on the official ubuntu website.

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  • other ways to change splash screen

    - by gcc
    I want change my splash screen .But when I download any splash screen packet in computer , I cannot install them .Every time ,computer gives me same warning "that packet is not a format wanted" -warning like this- I am asking "are there any other way to install splash screen?". note : I am also used 'Art manager' but it did not work properly.

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  • On ubuntu 10.04, what is the recommended RoR stack?

    - by Kurucu
    I can't find clear answers / methods on this. As seen elsewhere, passenger and RoR under apache gobble up ram on my VPS. I've tried a multitude of stacks and implementations, currently resting on a sub optimal apache/cgi/rails configuration, which has swapped my ram usage for CPU time and slow response to requests. Can anyone recommend an efficient and preferably simple to administer method of setting up rails apps in ubuntu 10.04 server?

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  • No Cure for a Slow Computer?

    - by Marv
    I have a laptop with the following specs: 2.2gHz dual-core processor. 4gb of DDR2 Ram. 180gb HDD space. I have tried everything. I have reinstalled the OS. Installed Ubuntu with Lubuntu, LXDE, Gnome Classic, Unity 2D desktop. I have even tried downgrading to XP with all non-critical processes and services turned off. Even with the most stripped down version of Ubuntu it heats up and the fan starts churning. I'm out of ideas. I have tried everything. If you have any tips, please help. :'(

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  • Compiz and Desktop Effects on Netbook with External Monitor

    - by Nerdfest
    I have an Acer Aspire One AO150 and am having trouble plugging in an external monitor under Ubuntu 9.10. There were no problems under 9.04. If I plug in an external monitor once the machine is already up, then bring up the 'display' application to activate it, it basically hangs. There are no problem under these circumstances if I have desktop effects turned off. I've seen a few mentions of this problem on the Ubuntu forums, but never a solid solution. Any ideas? A few more details after a question below. The machine does not respond to its keyboard commands to switch to an external monitor, nor does it respond to Ctrl-Alt-F1, etc to switch out of X. The pointer is visible on the monitors (at the edge of each) and is frozen as a 'busy' cursor, but with no animation. The kernel does respond to SysReq commands (REISUB). In the latest attempt I had the external monitor active earlier, then removed it and activated desktop effects. Upon plugging in the eternal monitor then bringing up the display application, it hangs.

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  • How can I view my remote desktop that is on a subnet

    - by Noremac
    I have my ubuntu machine at work and I'd like to use remote desktop to work from home. However the remote machine is on a subnet and not directly connected to the internet. I am able to remotely connect through ssh to a server, from which I then ssh to my remote machine. This has been beneficial, however I am currently working on a GUI application so just the command line doesn't work so well. Any ideas? I have tried using ssh with the -X flag on both sessions, but this doesn't work. I am trying to connect from Windows Vista through a Mac server (isn't it a great setup?).

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  • how to monitor traffic at port 53 (DNS)

    - by Registered User
    I am a bit confused with the abundant tcpdump tutorials on internet. I am having a few of the virtual machines running on a virtualization server.Where I am debugging a problem.Port 53 is the one in problem. I have a bridged setup where out of 4 LAN cards on the machine in question one is active and it is xen-br0 I want to check if there is any request coming on port 53 on the server by other machines on LAN in question. I also want to see if the guest operating systems on LAN or any other machine is sending traffic at port 53.Due to abundant messages being generated via tcpdump I am finding it difficult to grep the output at desired port. So how can I use it if some one can give an example that would be helpful. Thanks in advance.

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  • How do I make control-click in Opera open new tabs?

    - by user21952-is-a-great-name
    In Opera, as opposed to all other modern browsers I know, control-click does not open a new tab. Moreover, I couldn't find any good way to configure this behavior. The best available option seems to be this. However, it's so hacky that it won't work on HTTPS sites unless you enable user javascript there, which doesn't seem like a good idea. There also seem to be other proposed solutions, but none of them seem to work. I'd like this because my laptop has no middle mouse-button, and I'm a creature of habit. Do people have any ideas (for the latest version, 10.50)? I'd like ctrl-click to open a background tab, but I can do with foreground. Thank you!

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  • Can't connect to wi-fi hotspot in Ubuntu 11.10

    - by ht3t
    I'm new to Ubuntu. I'm having a wireless network problem in Ubuntu 11.10. I made a hotspot using Connectify from a computer which is running Windows 7. I can access it in Windows 7 but not in Ubuntu 11.10. Every time I access it,I get a message "disconnected". I'm using msi fx 400 notebook with Intel Centrino wireless -N 1000 wireless card. Ubuntu version is 11.10 with KDE desktop. $ sudo lshw -c network [sudo] password for ht3t: *-network description: Wireless interface product: Centrino Wireless-N 1000 vendor: Intel Corporation physical id: 0 bus info: pci@0000:06:00.0 logical name: wlan0 version: 00 serial: 00:26:c7:56:b8:f0 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=iwlagn driverversion=3.0.0-12-generic firmware=39.31.5.1 build 35138 latency=0 link=no multicast=yes wireless=IEEE 802.11bgn resources: irq:44 memory:e7400000-e7401fff *-network description: Ethernet interface product: RTL8111/8168B PCI Express Gigabit Ethernet controller vendor: Realtek Semiconductor Co., Ltd. physical id: 0 bus info: pci@0000:07:00.0 logical name: eth0 version: 06 serial: 40:61:86:b6:b1:a2 size: 100Mbit/s capacity: 1Gbit/s width: 64 bits clock: 33MHz capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl_nic/rtl8168e-2.fw IP=192.168.21.107 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s resources: irq:41 ioport:9000(size=256) memory:e6004000-e6004fff memory:e6000000-e6003fff I can't do anything without internet connection. How can I fix this?

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  • BlackBerry 10 : RIM promet six téléphones avec et sans clavier sur 2013, les deux premiers modèles auraient déjà fuité sur Internet

    BlackBerry 10 : RIM annonce 6 téléphones avec et sans clavier Les deux premiers modèles auraient fuité sur Internet Lors d'une conférence de presse de RIM qui s'est tenue la semaine dernière, le constructeur du BlackBerry a confirmé à Developpez.com que la sortie de son OS BlackBerry 10, prévue début 2013, sera accompagnée d'un seul modèle, 100% tactile et haut-de-gamme. Suivra ensuite « rapidement » un deuxième Smartphone, lui aussi haut de gamme, mais avec un clavier physique. Ce pourrait être ces deux modèles ? baptisés officieusment BlackBerry 10 L & N, pour London et Nevada ? qui auraient fuité cette semaine dans une vidéo postée sur Internet et

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  • Disconnect from Ubuntu remote server

    - by user43101
    I remote access to my server install LAMP and in the middle of the installation it disconnected. and from then i cannot a remote to that server and giving the error "Cannot connect to VNC server error 60001" Please help give some suggestion.....with the problem above

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  • ubuntu 10.04 span window across workspaces

    - by jakerman999
    I'm using an old server machine as a linux box desktop, and as such I have a lot of power but not a lot of display options. I cannot increase my resolution past 800x600 and recently this has become just to small. I have mostly been able to workaround windows being to large for a workspace by moving them with the alt key, but I would like to use something a little more versatile. My plan is to have a setup where I can open a windows (say firefox) on the top-left workspace and then resize it so that it fills four workspaces in an emulated "wall of monitors" fashion. I already have my workspaces arranged like this, but I am not seeing any options for allowing programs/windows to exist on more than one workspace at a time, I know that what I am trying to accomplish is possible (or was at some point in time) because when I google my solution pages appear with people trying to do the opposite (windows already appear on more than one workspace and they dislike it). Any help is much appreciated.

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  • Ubuntu 9.10 won't reboot after replacing a failed drive

    - by user149041
    Hello Serverfault community. I hope someone can shed light on a peculiar problem I am having with an Ubuntu 9.10 server install. I am not a Linux expert but have the responsibility of fixing the box if something goes wrong. DOH! I have Ubuntu 9.10 server installed on on a desktop platform: Compaq Presario SR5027CL. There are two 1TB SATA drives configured in a RAID 1 array; I use the box as an email backup server for a small group of users. Last week one of the drives failed and was replaced with a new drive of the same type. The problem I have been having is getting the box to reboot after a restart or a shutdown halt. The OS and the RAID 1 array are on the same drives that make up the RAID 1 array. The replacement drive (sda) was added to the box and the partitions were created to match the existing good drive (sdb). The array is made up of sda1 and sdb1. I found an interesting point while checking the BIOS settings: there is a "HDD Boot Group Priority" section, and the new drive was selected as the "1. 3rd master"; the server wouldn't boot configured like that, but when I set the old drive to be "1. 4th master", the box will reboot. I'm checking some more things, but I would certainly appreciate any useful information. Thanks in advance.

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  • How do I automate the handling of a problem (no network device found) in Ubuntu 10.04 w/ preseed?

    - by user61183
    I have a preseed file that is doing some automation for an installation of Ubuntu 10.04. At the point where the network hardware is auto-detected, however, it fails to find hardware and displays a message, "No network interfaces detected". To make a long story short, I don't care if it can detect my network interface. How do I do one of the following: Skip that step alltogether. Handle the error page automagically. PS. I found somewhere where it suggested this: netcfg/no_interfaces seen true That didn't work. Thanks

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