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• Configure ubuntu 12.10 to share internet through second NIC with subnetwork

  - by Dan Smith

  I have an Ubuntu 12.10 box with 2 NICs. eth0 is connected to my 192.168.1.X network, which is connected to my home router and out to the internet. I want the other interface, eth1,to support 10.0.0.x and allow devices on that network to access the internet through my ubuntu box. I do not need dhcp on the 10.0.0.x network. Here's a schematic: Internet --- home router ---- ubuntu[eth0:192.168.1.x, eth1:10.0.0.x] --- [10.0.0.x device] How do I configure the ubuntu box to share the internet with devices on that subnetwork? Thanks!

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• Screen is black at login screen if display driver is enabled

  - by Amir Rachum

  I have a Lenovo x200 and recently its screen didn't work, so I took it to a repair lab. The guy told me they replaced the screen inverter. I powered up the laptop and the ThinkPad logo was shown, so I was happy. When I got home the computer would boot up, then instead of the logon screen, I got a black screen. Went to safe mode, disabled the display adapters, reset the computer, and I got a clean boot. Then I tried to reinstall the drivers, and it just led to the same condition. My video card is (from device manager): Mobile Intel(R) 4 Series Express Chipset Family. Now my laptop works as I'm working with display drivers disabled, but without display drivers I can't watch movies, etc. Any solution to this problem? Edit: I plugged in an external monitor and it works on it with display drivers enabled. However, it does not find the laptop monitor.

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• Win7 backup fails with "The system cannot find the file specified" 0x80070002 - has worked before

  - by Thorbjørn Ravn Andersen

  I have a 500 GB USB-disk which has been used as a backup device for a few years now, but now fails without telling me why. This is a Dell box with Intel USB-controllers (so the NVIDEA problem does not apply here). I have previously had problems with a Git package marking a non-existent directory for backup (adding it make the backup succeede). The inaccessible boot partition problem described in Windows Backup fails with 0x80070002: "The system cannot find the file specified" does not apply to me. I would appreciate hints on where to look to identify why my backup fails so I can fix it.

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• HDD bad sectors with OS

  - by Michael Z

  I wonder is that possible for OS to make bad sectors on Hard Drive? Preface: I have bought new HDD on 1Tb WB Caviar Black. I have installed new OS on ext4 partition Ubuntu 12.04.1 LTS. After few days S.M.A.R.T. of the Ubuntu's Disk Utility show that my hard has bad sectors! I have checked on S.M.A.R.T. immediately after installing OS - all was OK. During new OS working I have noticed some strange with HDD - all OS was freezed from 20 sec to 1 min and I have heard like HDD's engine restarting. At the dmes I have found something like this: [40085.407947] ata1.00: device reported invalid CHS sector 0

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• dell vostro 1310 with nVidia 8400M display problem

  - by Arthur

  Hi everyone, i hope someone can help me with this problem. I have a Dell vostro 1310 Laptop with 32 bit vista and a 8400M nVidia chip. Recently i have noticed performance issues when my girlfriend was playing Sims 3, and then one day i turned it on and all i got was a thick white line at the bottom of the screen. i heard the OS start up so automatically i thought it was a damaged screen, but i had doubts so i plugged it into an external display via the vga port. it worked but everything appart worm the OS choice menu looks distorted beyond belief. even the bios screen had multicoloured lines running down the screen. The resolution is non existant, the screen only shows a 256 colour pallette and is heavily distorted. i barely managed to get to the device manager where i found the gfx card with an exclamation mark. does anybody have suggestions? should i buy a new mobo or are repairs possible? thanks in advance

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• Speakers will not work after I use USB Headset

  - by Josh K

  I am trying to configure my SteelSeries Siberia V2 Frost USB Headset to work with my 2.0 speakers using a jack. My goal is to find a easy way (no restart) to switch playback from my headset and my speakers and vice-versa. If i plug my headset in and make it the default device then restart my application/web page then the sounds works out of headset. If I switch the default to my speakers and restart apps/web pages then sound does not play. I know my speakers are on because if I configure them through windows and test, the sounds play, and sounds also play when I test it through my audio manager. Even if I unplug my headset, I still cannot get sound out of my speakers unless I restart My audio manager is RealTek HD Audio Manager, Windows 7 x64. I have tried the speaker back, usb front. speaker front, usb in front port. I have not tried speaker back, usb back.

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• Can't find generic USB audio driver for a Samson COU1 USB microphone

  - by user10321

  I am unable to use a Samson USB CO1U microphone on a PC running XP, SP3. When I plug it into the USB port, Windows generates the sound indicating that it has found new hardware, and the green LED on the mic lights. But, it does not work, and the device manager reports that it cannot find a driver after searching. The same mic works on a Vista machine. Samson has no driver on their Web site, and insists that the generic audio driver in Windows should work. (http://www.samsontech.com/PRODUCTS/productpage.cfm?prodID=1810). I cannot find a generic USB audio driver at Microsoft.com. Can anyone help? Larry

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• Easiest way to move my Windows installation to an SSD?

  - by Jon Artus

  I've taken the plunge and bought an SSD and want to move my existing Windows installation over. The current hard disk is 500Gb, but I've trimmed the contents down to about ~40Gb. I'm transferring it across to a 100Gb SSD and looking for the easiest way just to copy everything across and set the SSD up as a boot device. I've looked at a few tools like Macrium Reflect, but they don't seem able to restore to a smaller drive. Do I need to go for something like PING to do this? I'm trying to avoid scary Linux-based boot utilities if possible, does anyone know of an easier way?

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• Is it possible to change the default scan folder on an Eye-Fi Wireless SD Card

  - by MichaelPh

  By default Eye-Fi cards scan the DCIM folder (and subfolders) used by most digital cameras for new images to upload. Is there a way of changing this to a different folder? In my particular case I'm using a Kodak photo scanner (P461) that uses a PHOTO(N) folder format to store the scanned images, as far as I know the device has no configuration interface to alter this setting so that doesn't seem to be an option. This topic on the Eye-Fi forums is the closest I've come to a solution, but a perfunctory investigation of Disk Probe doesn't make it obvious what needs to be modified on the card.

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• Can't find generic USB audio driver for a Samson COU1 USB microphone

  - by marcipollo

  I am unable to use a Samson USB CO1U microphone on a PC running XP, SP3. When I plug it into the USB port, Windows generates the sound indicating that it has found new hardware, and the green LED on the mic lights. But, it does not work, and the device manager reports that it cannot find a driver after searching. The same mic works on a Vista machine. Samson has no driver on their Web site, and insists that the generic audio driver in Windows should work. (http://www.samsontech.com/PRODUCTS/productpage.cfm?prodID=1810). I cannot find a generic USB audio driver at Microsoft.com. Can anyone help? Larry

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• Recommending simple appliance for DansGuardian, iptables, snort inline

  - by SRobertJames

  I'm currently using a Linksys E2000 with dd-wrt. I'd like to add DansGuardian for Content Filtering and snort-inline for IPS; but those require a more powerful box (mainly, more storage). Can you recommend a good device to use? I'm open to both overwrite-the-firmware (like dd-wrt) and designed-to-be-customized boxes. Requirements: 1. 5+ Ethernet ports, pref. GigE 2. small form factor 3. No noise (office environment) 4. low power 5. Not sure about 802.11 wireless Budget < $400, pref. less.

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• VGA no signal on LCD monitor attached to laptop

  - by Paul

  I bought a new Asus vh242h LCD monitor for use with my lenevo T60 laptop running XP professional. Display info under control panel says "Intel(R) 945GM Express Chipset Family". I am connecting via VGA. When I connect the monitor I get "VGA no signal" and the monitor screen stays blank. I have selected the monitor as the display device on the laptop. The information on the monitor displays the correct screen resolution from the laptop, so the monitor is communicating in some way with the laptop. I've successfully tried the monitor with my Dell inspirion 1525 running Windows Vista. I've change the VGA cable to one I know works. Tried different resolutions. I cannot find and specific drivers on the internet for this monitor, so I assume it should work with Plug and Play. Does anyone know what the problem could be?

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• mount fstab partition with public access

  - by Mikhail

  How do I specify that an fstab mount-point should be public? I want /mnt/windows to be accessible to normal users. I believe I am using ntfs-3g. If I set the /mnt/windows to 777 will it be publicly accessible without changing the permissions on the NTFS disk? /dev/sdb4 /mnt/windows ntfs noatime 0 1 /dev/sdb5 / ext4 noatime 0 1 UUID=5AA4-168D /boot/efi vfat defaults 0 1 and localhost my_computer # stat /mnt/windows/ File: '/mnt/windows/' Size: 12288 Blocks: 24 IO Block: 512 directory Device: 814h/2068d Inode: 5 Links: 1 Access: (0700/drwx------) Uid: ( 0/ root) Gid: ( 0/ root) Access: 2014-08-21 18:29:13.597722200 -0500 Modify: 2014-08-21 18:29:13.597722200 -0500 Change: 2014-08-21 18:29:13.597722200 -0500 Birth: -

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• Lagging digital tv over ethernet

  - by Steve

  I have a HD Home Run TV over ethernet device, which connects the aerial to my router, and from there the router connects to my PC over about 15m of 100Mbps ethernet cable. The TV output lags every second. It does not do so for a computer much closer to the router. It is odd to me that the network rate is around 7Mbps on a 100Mbps cable. I am not downloading or streaming anything else on the affected computer. Is this lag caused by the speed of the cable, the length of the cable, or interference on the cable? I am considering swapping the ethernet cable with shielded ethernet cable.

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• ubuntu qcow2 image for local usage

  - by aisbaa

  I'm using kvm and I would like to run ubuntu server on it. My goal is to run db2 database instance for development. Is there ready to use ubuntu qcow2 images online for such purpose? Or should I install it from live cd? I've found this instruction UEC/Images, but at launch I get: $ kvm -fda ${floppy} -drive if=virtio,file=./disk.img -boot a ... Nothing to boot: No such file or directory (http://ipxe.org/...) No more network devices No bootable device. Solution: I havent found pre-installed ubuntu virtual machine image online, so solution is to install it by your self.

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• Apache virtualhost - Mac OSX 10.7.3

  - by Rakan

  After upgrading to Lion, all my virtualhosts stopped working. They redirect to "It works" main apache page on my device for some weird reason. Example: /etc/hosts: 127.0.0.1 myhost.com <VirtualHost *:80> DocumentRoot "/Library/WebServer/Documents/testproj/" ServerName myhost.com <Directory "/Library/WebServer/Documents/testproj/"> Options Indexes FollowSymLinks MultiViews AllowOverride All Order allow,deny Allow from all </Directory> ErrorLog "/private/var/log/apache2/testproj-error_log" CustomLog "/private/var/log/apache2/testproj-access_log" common </VirtualHost> Did anyone else face the same issue? How can I fix this?

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• Format External HD on Airport Extreme Base Station?

  - by David.Chu.ca

  I just got an Airport Extreme Base Station. I am planning to use this one replace my current Linksys router. This works fine. My another purpose of getting this device is to use its USB port to connect to several external HDs as my backup Time Machine. I can see one 500GB HD through Airport Base Station. However, I cannot format it by using Disk Utility. What I did is to connect the HD to my iMac directly first and then clean and format the disk by Disk Utility application. Then I move the HD to the Airport Base Station. After that I can designate the HD as my Time Machine destination. Is there any way to format the HD connected to Airport Base Station? Any issues to use an external HD through Airport Base Station for Time Machine backups?

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• How to tell if OpenGL is really working in Ubuntu 10.04

  - by Jonathan

  I have a lenovo S9e running Intel integrated graphics. Here is my lspci output related to the graphics: 00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML Express Integrated Graphics Controller (rev 03) Subsystem: Lenovo Device 3870 Flags: bus master, fast devsel, latency 0 Memory at f0580000 (32-bit, non-prefetchable) [size=512K] Capabilities: [d0] Power Management version 2 I want to know how I can make sure OpenGL support is running in full on an Ubuntu 10.04 installation. I have a few hints to think that it is not: The "Desktop Effects" will not load Apps such as stardock, when attempting to use OpenGL rendering, will display black boxes instead of transparency In the games Pioneers, the number-tile icons are suspiciously just black circles Windows games running with Wine will only support software rendering, not hardware rendering When I boot into a Knoppix LiveCD, the desktop effects do work, splendidly, meaning compiz detects my computer as capable. My problem with troubleshooting is that Canonical has basically eliminated the conf-file-based mechanism of X11 as far as I can tell, thus making it even harder to ensure graphics modules are loading properly. How do I debug and test OpenGL on m Ubuntu 10.04 installation?

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• Attempting to caue packet loss with netem doesn't work - possibly because of NAT (but delay does work)

  - by tomdee

  I have traffic from a WIFI access point routed via an Ubuntu box. I have two network interfaces which are NATed *filter :INPUT ACCEPT [11:690] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [37:6224] -A FORWARD -s 192.168.2.0/24 -i eth1 -o eth0 -m conntrack --ctstate NEW -j ACCEPT -A FORWARD -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT COMMIT # Completed on Thu Mar 15 13:37:21 2012 # Generated by iptables-save v1.4.10 on Thu Mar 15 13:37:21 2012 *nat :PREROUTING ACCEPT [0:0] :INPUT ACCEPT [0:0] :OUTPUT ACCEPT [0:0] :POSTROUTING ACCEPT [0:0] -A POSTROUTING -j MASQUERADE COMMIT If I run a ping app on an Android device connected to the WIFI network I can happily ping google. If I use netem to introduce some delay tc qdisc change dev eth0 root netem delay 100ms I can clearly see pings taking longer. If I use netem to introduce some packet loss tc qdisc change dev ifb0 root netem loss 50% then I see no change. Packet loss does work fine for locally generated traffic, just not for traffic coming in over the network that's being NATed. Any ideas how to sort this out?

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• Multiple VLANs on a single subnet

  - by mstaessen

  I would like to establish the setup shown below. The image is taken from (http://gcharriere.com/blog/?p=620) and explains how to set this up on a brocade device. I would like to use an ubuntu server to do the routing. Right now, the switch and the server/router are connected with a trunk and the server uses the vlan package, kernel module and (inner) subnets for routing. I would like that: no IP addresses get lost in the subnetting (outer subnet is /26, inner subnets are /28) I don't want the rigorous subdivision of my outer subnet. I want to assign a VLAN to any IP in the outer subnet. How do I need to configure my interfaces? What is the "ubuntu" translation of "ip follow ve"? Thanks!

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• Why is my metro screen getting extended to half of the second screen?

  - by maximusyoda

  When I extend my desktop to the second screen, it stays fine for a few minutes, but after a while, the first metro screen stretches all the way to half of the second screen. The search bar etc stops working. The desktop itself shares fine. But the metro screen is messed up as well as the resolution. The second screen is using the recommended resolution. All I want is to have an extended screen. The problem occurs in my office Windows 8 laptop as well. Not sure what to do with it. Device: Surface Pro 2 External Monitor: Dell 2208WFP 1680 x 1050 Pixel Resoultion 22''

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• Cannot enter BIOS due to broken screen

  - by gamer

  Lately my laptop(hp g42 247sb) screen is damaged, so I hook it up with a external monitor(LG something) and it works fine now. But the only annoying thing is I cannot navigate the BIOS menu for some tweaking because the BIOS not shown on the external monitor,instead, it only shown on the broken laptop screen, and it only output to my external monitor when windwos/os is loged-on. So, is there anyway I can force output during BIOS/BOOT/POST to my external monitor? Things I have done and didn't work: (1)Set my LG monitor as primary display on both window properties and Intel Graphics panel (2)Enter the bios (F10 key) and press the fn+F4 key(change display output). (3)Disable and uninstall my internal screen(broken laptop screen) using device manager and restart, but windows(bios?) install it back on log-on. Please help me!

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• Identify SATA hard drive

  - by Rob Nicholson

  Very similar question to: Physically Identify the failed hard drive But for Windows 2003 this time. Scenario: Four identical SATA hard drives plugged into motherboard (no RAID controller here) Configured as single drive in Windows as a spanned volume One of them is starting to fail with error "The driver detected a controller error on \Device\Harddisk3" How do you cross-reference Harddisk3 to the physical SATA connection on the motherboard so you know which drive to replace? I know replacing this drive will trash the spanned array requiring it to be rebuilt anyway so my rough and ready solution is: Delete the spanned partition Create individual partitions on each drive labelled E: F: G: and H: and work out which one is Harddisk3 Power down, remove each disk one at a time, power-up until the drive letter disappears But this seems a rather crude method of identifying the drive. The SATA connectors will be numbered on the motherboard but I appreciate this might not cross-match to what Windows calls them. Thanks, Rob.

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• backup software that ignores user rights

  - by Chris

  Hi, As a computer technician I have to reinstall systems allmost daily (when it can't be repaired ;-)) My problem is that I recover user files by hand and a external mounting device. Most of the time it works fine, but also weekly I have systems with passwords and personal files which are often not sucessfull recovered. I know you can change owner, but when people have 30 GB's af data, my backup computer works for ages to change the rights. Can anyone think of software (commercial is no problem) which does the following: * backup user data without having user rights troubles * have a option to choose what to backup (email accounts, documents, etc, etc) even when it's externaly mounted, in short, it reconizes the folder structure) * Works on different OS's like XP, Vista, W7

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• Webcam microphone input in Gnome/pulseaudio

  - by sdaau

  Just got a "Trust" webcam, which gets recognized on my Ubuntu Lucid. It has a built in microphone - which also gets recognized - however, I cannot really get it to act as the system microphone input? Here are some screenshots of what is shown by gnome-volume-control: The default window shows Trust webcam - which has two profiles: "Analog Mono Input" and "Off" - of course, I have it on "Analog Mono Input": However, on the "Input" tab - there is no matching "device for sound input" - neither a matching connector: Then I installed pavucontrol - but that doesn't show that much more; it tells first that gnome-volume-control reads from "Internal Audio Analog Stereo": Then in "Input devices" tab, there is again nothing resembling the mic input from webcam: Finally, under "Configuration" tab, the "Trust" webcam shows, but even if its profile is on "Analog Mono Input", nothing much happens:   So, does anyone know how I could get this webcam microphone to be recognized as the system input? Many thanks in advance for any answers, Cheers!

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