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• VLAN issues between linux kernels 2.6 / 3.3 in an ESX / Cisco environment

  - by David Griffith

  I shall attempt to explain an issue I have encountered - I have a VM running on esx 4.1 with an interface connected to VLAN800 via an access port on a cisco 3750. It runs linux - kernel 2.6.24, and has about 5 to 10 Mbit of chatter on 10.10.0.0/16 and various multicast addresses to look after. I needed to isolate certain devices from certain other devices on the network, with all of them having to talk to that one VM. No, the address space can't be separated, nor can the networks be easily vlan'd apart. The software on the VM listens to one interface only. Private vlans appear to be the way to go. So as a test, I built a bridge on the VM that globs together the vlans as needed. All good, everything works as expected. But occasionally (sigh) there's some latency that trips up a couple of profinet devices on the network because, you know, you're not really supposed to trunk real-time protocols around the place willy-nilly. I shift it to our test/backup server - works nicely, but I don't want it to be running on the test server as we muck around with that a lot. So I says to myself, "I'll put it on a new VM for testing and tweaking." I download a small linux distro with kernel 3.3, and install as a new VM with a the vlans as separate interfaces for testing. I power up the testing VM - ok. I bring up all the separate interfaces - ok. I can ping the production VM, see all sorts of traffic going past with tshark, etc. I build a bridge and put the primary vlan on it - the production VM running 2.6 immediately loses its multicast traffic - Unicast is fine. (?) I shut down the bridge - still no multicast traffic (!?) I power-cycle the production VM(!?!?) - multicast traffic returns. I trunk everything into the testing VM and create vlan interfaces under linux instead - same result, as soon as I start the bridge.... no multicast on the production VM. Ok, so I take a break and leave things alone. I decide to play with a couple of ubiquiti bullet radios - I'm testing various firmware as a side project. I flash a radio with Open-wrt-12.09. I enable a trunk on a port on a cisco on our network so I can muck around with multiple vlans and SSIDs I power up the radio and connect - ok. I create a vlan interface from the trunk.... the same vlan as the production VM wayyyyy over there, three cisco routers away. Ok. I bridge the vlan interface to the wifi interface and immediately get a phone call. The production VM has (suprise!) lost its multicast traffic. Again, nothing comes back until I power-cycle the VM. What the hell is going on?

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• Linux PHP web server horribly slow when accessed from any windows browser

  - by Ed Harcourt

  I have a Linux server (Ubuntu 10.04) running apache2 and PHP. Everything runs fine when accessing a page from any browser from another Linux machine or Mac. But when I try to access a page from any combination of Windows machine and browser I get about a 30 second delay before the page comes back. Accessing a plain old HTML file from the Windows browser runs lickity split. So it seems to be just PHP. MySQL is installed but a simple test page that uses no MySQL is still slow. I don't think it is DNS because if I hard code the IP address in the URL nothing changes. There doesn't seem to be anything in the log files that I can tell. What could be causing this behavior on Windows clients?

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• UPS compatible with Linux box?

  - by Somebody still uses you MS-DOS

  I'm buying this unit from deal extreme: it's a bitorrent downloader, with NAS capability. I'm interested in sharing an external HD in it, with media and backup purposes. I'm afraid of energy problems (don't know if this is the correct term), corrupting my mounted drives (like after a storm), so I thought about buying an UPS that sends a "signal" to my Linux box, and a script in my Linux box would unmout everything to avoid problems. Do this "UPS signal" feature exists? Do you have model suggestions? Thanks!

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• Fastest booting Linux ditribution on a live-cd

  - by Avindra Goolcharan

  I'm looking for a linux distro with the following: Boots quickly, as fast as possible. Has expected tools such as file browser, a web browser, etc. Doesn't need to have extraneous recovery stuff such as partition editors, and what not. These are the tools I have and use already: ophcrack Ultimate Boot CD for Windows (UBCD4Win) chntpw (Offline NT Password and Registry Editor) Hiren's BootCD gparted or Parted Magic Ubuntu nubuntu Any and all suggestions are welcome :-) The primary objective is to get a quick booting linux distro that I can grab / delete / move / copy files with. Currently, I prefer using ophcrack, it boots in (relatively) fast and I can manipulate files well. The one that takes the longest is ubuntu of course.

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• Audio Line-In on Ubuntu/Linux Mint

  - by hahuang65

  I'm currently on Windows, and want to switch to Linux, but some hardware issues are preventing me. Mainly, I have a sound card that supports Line-In. On Windows, anything I plug into the line-in gets outputted to the speakers. However, when I installed Linux, because there is not a control application that comes with the driver, I have no idea how to set this up. I tried going to the sound settings and it doesn't seem to be there. I also want to configure it for 2.1 sound, and do not know how to do that... Anyone here done it before? Thanks in advance for the help!

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• Boot Linux from DOS (with loadlin.exe etc)

  - by dreamlax

  I have been using the latest version of loadlin.exe (version 1.6e). It works on some machines but on others I get "no place after kernel for initrd". The kernel is about 5MB in size (non-modular) and my initrd image (decompressed) is about 8MB. One route that I could take is to enable module support and offload some of the weight of the kernel into the initrd image but I'm not confident this will rectify the issue. Are there any alternatives to loadlin.exe that are capable of loading Linux from a booted DOS session? I basically have a series of DOS tools that I'd like to run one after another and then boot into Linux, which loadlin.exe seems to be working very well for except on some machines.

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• Looking for KVM switch (over IP) with good linux client [closed]

  - by B14D3

  I have some ATEN CN6000 and i1708 KVM boxes and clients for them are made for windows and java. Java clients doesnt work neither on win or linux systems(I can run them with JavaRE but they dont connect to KVM box). Client for CN6000 on windows works quite well but a have huge problems with connect to i1708 with win client. So I'm looking for some good replacement. I'm aiming to KVM with linux client. Whether there are such ? What kind of KVMs you are using and have good opinion about them?

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• Linux clients for Exchange (email and) calendar

  - by jplindstrom

  At $work, the official email solution is Outlook on Windows, connected to an Exchange server. That's problematic for people with Linux on their desktop machine. The Exchange server supports IMAP, and e-mail works fairly well using the usual suspects, e.g. Thunderbird. It also provides the web mail interface, which is fairly crap unless you use IE. (Any other favorite e-mail clients?) The biggest problem is the Outlook Calendar. I still have found no viable Linux client that can replace it. Any recommendations?

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• user management in linux

  - by sdr

  what isThe difference between user management in Linux and networks with active directory?

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• compiling the linux kernel

  - by user482819

  Just for learning, I have recompiled the linux kernel with different options, installed and boot from it. It was both instructive and straight forward. However, I was overwhelmed by the big number of options available. My questions are: 1.- Does it make sense to spend time trying to optimize the linux kernel for my particular laptop? Will it make a significant improvement? 2.- Is there any tool that can read the configuration of my computer and suggest a config? Thanks, H

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• Installing linux on computer with Marvell adapter

  - by Seth

  I recently reinstalled my computer and decided that I want to have a native installation of linux side by side with windows (got tired of VMWare). The thing is upon installation (debian) everything goes fine until the disc detection section - linux can't find my western digital 1TB drive (IDE mode). I don't have the installation disc with me now, but I think that when i changed the mode to AHCI everything worked, though Windows couldn't boot so this is not an option. I have a Marvell 91xx controller. Any ideas?

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• not able to open files in windows partition from linux on a dual boot system

  - by user1237244

  I have installed dual boot on my laptop, windows XP && Fedora linux. For some unknown reason windows XP is not booting up. Through fedora I'm able to see the windows XP partition and files in it. But the problem here is, I'm not able to open those files from linux. Does anybody hit this kind of issue, if so and incase you figured out the soluton, can you please share the solution? Thanks in advance.

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• Linux command to inspect TXT records of a domain

  - by johnlai2004

  Is there a linux shell command that I can use to inspect the TXT records of a domain?

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• Truecrypt on Linux (permission confusion)

  - by xcross

  I am pretty inexperienced with Linux... So please bare with me here. I keep running into permission problems when working with truecrypt on Linux. Currently, I run truecrypt as root to mount my encrypted devices and containers. This all works fine, but I have to interact with the mounted volumes in the terminal as root, and I can't seem to use many of my applications on the files... Either because they can't be run as root or I don't know how to use them from the terminal. This seems really inconvenient to me. How do people deal with this? Am I missing something, or is this just the way things have to be? I am on Fedora 17 (KDE spin) now but I have this trouble with any distro I try.

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• Use `dd` linux program to save / recover a disk's MBR

  - by Graduate

  I have an Ubuntu OS installed on my laptop. I want to install Windows 7 as well to another disk partition (I will do it by recovering it from a special partition on my laptop). After installing Windows, I want to recover my hard drive MBR to be able to load Ubuntu. I have a plan to use linux dd program: 1) (Before installing, perform this command in Linux) dd if=/dev/sda of=/home/user/mbr_backup bs=512 count=1 2) (after installing, load Ubuntu Live CD and launch this) dd if=/home/user/mbr_backup of=/dev/sda bs=512 count=1 3) Load Ubuntu on PC and re-configure the GRUB2 to be able start Windows I need your advice, I want to be sure I won't damage the disk (it's partition table).

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• installing linux on an crippled machine

  - by networkbooter

  I have a somehwat ancient toshiba laptop (which cant boot from a usb) that i want to install linux on (ubuntu i guess). currently running windows XP and ubuntu (via wubi). I want to delete these OSs and replace with ubuntu only. it does have a network boot option - i was wondering if the easiet way is to steup some sort of network boot server on my other computer (which has ubunutu) and get the machine to boot from it so i can install linux? i cant seem to find instructions on the 'net as to how i would go about doing this... any pointers would be most appreciated. thanks!

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• installing linux on an crippled machine

  - by networkbooter

  I have a somehwat ancient toshiba laptop (which cant boot from a usb) that i want to install linux on (ubuntu i guess). currently running windows XP and ubuntu (via wubi). I want to delete these OSs and replace with ubuntu only. it does have a network boot option - i was wondering if the easiet way is to steup some sort of network boot server on my other computer (which has ubunutu) and get the machine to boot from it so i can install linux? i cant seem to find instructions on the 'net as to how i would go about doing this... any pointers would be most appreciated. thanks!

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• linux - Is Debian "lighter" than Ubuntu?

  - by user2983756

  I currently run Linux Mint 14 KDE on a "semi-old" machine I use for working and surfing the web - it was the first Linux system I ever used (running away from old Win XP), so I picked a complete system that would have most of my basic needs installed (I didn't even know what exactly all those needs were at the time). The thing is, my computer is becoming really old and Mint is a cluttered system, and for the next installation I'm going to try and install a "raw" system and get everything from the online repos. My question is: Since Ubuntu is Debian-based, does that make it consume more resources than its base system? If that isn't the difference, which one is "lighter" in that sense?

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• Remote Linux system via Windows 7

  - by kaila

  I have a dual boot with Windows 7 and Fedora. Though I can long into both without any problems, I am trying to log in to the linux account via the Windows account. Is that possible? Or, is it possible to access my university's linux server via telnet from home? I did so and got an error, with cold not connect to port 23 message. Also, since most of my mail accounts are on Windows, the passwords to which I have forgotten, I would prefer working on a ;remote' connection.

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• Kernel Panic on VMware Workstation 7.1.3

  - by i.h4d35

  I've been trying to install either Arch Linux or Fedora 17 on VMWare Workstation (7.1.3). After I point to the right ISO image, I get the following error: Booting the kernel PANIC: early exception 0d rip:ffffffff81042dc4 error 0 cr2 0 I am trying to install it on a machine which has a 3rd generation i5 processor. After checking A VMWare panic early exception fix for ivy bridge i3, i5, i7, I tried to turn off the nosmep acpi. This is around, I get the same error but at a different address. Apparently, others have faced this issue before. Thanks in advance.

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• Can't install kernel-uek-headers for currently running kernel

  - by haydenc2

  I have just created a VM in VMWare and installed a minimal install of Oracle Enterprise Linux 6.3. # cat /etc/oracle-release Oracle Linux Server release 6.3 It is running with the UEK kernel. # uname -r 2.6.39-200.24.1.el6uek.x86_64 When I try and install VMWare Tools, I get the following error. Searching for a valid kernel header path... The path "" is not a valid path to the 2.6.39-200.24.1.el6uek.x86_64 kernel headers. Would you like to change it? [yes] I have version 2.6.39 of the UEK installed, but the kernel-uek-headers are only 2.6.32. # yum list kernel-uek Installed Packages kernel-uek.x86_64 2.6.39-200.24.1.el6uek @anaconda-UEK2/6.3 kernel-uek.x86_64 2.6.39-200.29.3.el6uek @ol6_UEK_latest # yum list kernel-uek-headers Installed Packages kernel-uek-headers.x86_64 2.6.32-300.32.2.el6uek @ol6_latest And it appears that the headers for 2.6.39 aren't there. # yum list kernel-uek-headers --showduplicates Installed Packages kernel-uek-headers.x86_64 2.6.32-300.32.2.el6uek @ol6_latest Available Packages kernel-uek-headers.x86_64 2.6.32-100.28.5.el6 ol6_latest kernel-uek-headers.x86_64 2.6.32-100.28.9.el6 ol6_latest kernel-uek-headers.x86_64 2.6.32-100.28.11.el6 ol6_latest kernel-uek-headers.x86_64 2.6.32-100.28.15.el6 ol6_latest kernel-uek-headers.x86_64 2.6.32-100.28.17.el6 ol6_latest kernel-uek-headers.x86_64 2.6.32-100.34.1.el6uek ol6_latest kernel-uek-headers.x86_64 2.6.32-100.35.1.el6uek ol6_latest kernel-uek-headers.x86_64 2.6.32-100.36.1.el6uek ol6_latest kernel-uek-headers.x86_64 2.6.32-100.37.1.el6uek ol6_latest kernel-uek-headers.x86_64 2.6.32-200.16.1.el6uek ol6_latest kernel-uek-headers.x86_64 2.6.32-200.19.1.el6uek ol6_latest kernel-uek-headers.x86_64 2.6.32-200.20.1.el6uek ol6_latest kernel-uek-headers.x86_64 2.6.32-200.23.1.el6uek ol6_latest kernel-uek-headers.x86_64 2.6.32-300.3.1.el6uek ol6_latest kernel-uek-headers.x86_64 2.6.32-300.4.1.el6uek ol6_latest kernel-uek-headers.x86_64 2.6.32-300.7.1.el6uek ol6_latest kernel-uek-headers.x86_64 2.6.32-300.11.1.el6uek ol6_latest kernel-uek-headers.x86_64 2.6.32-300.20.1.el6uek ol6_latest kernel-uek-headers.x86_64 2.6.32-300.21.1.el6uek ol6_latest kernel-uek-headers.x86_64 2.6.32-300.24.1.el6uek ol6_latest kernel-uek-headers.x86_64 2.6.32-300.25.1.el6uek ol6_latest kernel-uek-headers.x86_64 2.6.32-300.27.1.el6uek ol6_latest kernel-uek-headers.x86_64 2.6.32-300.29.1.el6uek ol6_latest kernel-uek-headers.x86_64 2.6.32-300.29.2.el6uek ol6_latest kernel-uek-headers.x86_64 2.6.32-300.32.1.el6uek ol6_latest kernel-uek-headers.x86_64 2.6.32-300.32.2.el6uek ol6_latest The kernel for 2.6.32 is there. # yum list kernel-uek --showduplicates Installed Packages kernel-uek.x86_64 2.6.39-200.24.1.el6uek @anaconda-UEK2/6.3 kernel-uek.x86_64 2.6.39-200.29.3.el6uek @ol6_UEK_latest Available Packages kernel-uek.x86_64 2.6.32-100.28.5.el6 ol6_latest kernel-uek.x86_64 2.6.32-100.28.9.el6 ol6_latest kernel-uek.x86_64 2.6.32-100.28.11.el6 ol6_latest kernel-uek.x86_64 2.6.32-100.28.15.el6 ol6_latest kernel-uek.x86_64 2.6.32-100.28.17.el6 ol6_latest kernel-uek.x86_64 2.6.32-100.34.1.el6uek ol6_latest kernel-uek.x86_64 2.6.32-100.35.1.el6uek ol6_latest kernel-uek.x86_64 2.6.32-100.36.1.el6uek ol6_latest kernel-uek.x86_64 2.6.32-100.37.1.el6uek ol6_latest kernel-uek.x86_64 2.6.32-200.16.1.el6uek ol6_latest kernel-uek.x86_64 2.6.32-200.19.1.el6uek ol6_latest kernel-uek.x86_64 2.6.32-200.20.1.el6uek ol6_latest kernel-uek.x86_64 2.6.32-200.23.1.el6uek ol6_latest kernel-uek.x86_64 2.6.32-300.3.1.el6uek ol6_latest kernel-uek.x86_64 2.6.32-300.4.1.el6uek ol6_latest kernel-uek.x86_64 2.6.32-300.7.1.el6uek ol6_latest kernel-uek.x86_64 2.6.32-300.11.1.el6uek ol6_latest kernel-uek.x86_64 2.6.32-300.20.1.el6uek ol6_latest kernel-uek.x86_64 2.6.32-300.21.1.el6uek ol6_latest kernel-uek.x86_64 2.6.32-300.24.1.el6uek ol6_latest kernel-uek.x86_64 2.6.32-300.25.1.el6uek ol6_latest kernel-uek.x86_64 2.6.32-300.27.1.el6uek ol6_latest kernel-uek.x86_64 2.6.32-300.29.1.el6uek ol6_latest kernel-uek.x86_64 2.6.32-300.29.2.el6uek ol6_latest kernel-uek.x86_64 2.6.32-300.32.1.el6uek ol6_latest kernel-uek.x86_64 2.6.32-300.32.2.el6uek ol6_latest kernel-uek.x86_64 2.6.39-100.5.1.el6uek ol6_UEK_latest kernel-uek.x86_64 2.6.39-100.6.1.el6uek ol6_UEK_latest kernel-uek.x86_64 2.6.39-100.7.1.el6uek ol6_UEK_latest kernel-uek.x86_64 2.6.39-100.10.1.el6uek ol6_UEK_latest kernel-uek.x86_64 2.6.39-200.24.1.el6uek ol6_UEK_latest kernel-uek.x86_64 2.6.39-200.29.1.el6uek ol6_UEK_latest kernel-uek.x86_64 2.6.39-200.29.2.el6uek ol6_UEK_latest kernel-uek.x86_64 2.6.39-200.29.3.el6uek ol6_UEK_latest Should I downgrade the kernel to 2.6.32 so I can install VMWare tools? Is there another way to get the kernel-uek-headers package for the 2.6.39 UEK?

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• Error: "failed to connect to wpa_supplicant - wpa_ctrl_open no such file or directory" using netcfg with wpa_supplicant

  - by user1576628

  I'm trying to set up netcfg so that I can finish installing Arch Linux (using the instructions from the Beginners' Guide and netcfg) and I passed over what was meant to be a short step. Open wifi-menu, select network, enter password. After multiple attempts, I decided to edit the profile manually, which yielded no improvement. Eventually I decided to use netfcg with the more familiar wpa_supplicant. My /etc/wpa_supplicant.conf file is as follows: network={ ssid="my_ssid" #psk="my_wireless_passcode" psk="my_wireless_passcode_hex" } (Replacing generic names with my actual ssid and psk.) And my /etc/network.d/wpa_suppl file reads: CONNECTION='wireless' DESCRIPTION='A wpa_supplicant configuration based wireless connection' INTERFACE='wlan0' SECURITY='wpa-config' WPA_CONF='/etc/wpa_supplicant.conf' IP='dhcp' My ssid is not hidden, wlan0 is the proper interface, and wpa_supplicant works fine on its own, but using netcfg wpa_suppl, it returns failed to connect to wpa_supplicant - wpa_ctrl_open no such file or directory about twelve times before finally telling me the authentication failed. What can I do to fix this?

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• Best distro for eee-pc [closed]

  - by a_m0d

  Possible Duplicate: A minimal Linux distribution for my ASUS EEE PC I am looking at buying an Asus eee PC and would like some input from the community on the different distros / OS's out there for it. I have heard that the Xandros distro that comes with the net-book isn't that great (lack of software, etc.), but I wonder what all the SuperUsers out there think. Please answer with one distro / OS per answer, and list (at least some of) the advantages and disadvantages of your choice. EDIT: To clarify, the version I am looking at is the 701 SSD, with the 8GB hard drive.

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• LightDM will not start after stopping it

  - by Sweeters

  I am running Ubuntu 11.10 "Oneiric Ocelot", and in trying to install the nvidia CUDA developer drivers I switched to a virtual terminal (Ctrl-Alt-F5) and stopped lightdm (installation required that no X server instance be running) through sudo service lightdm stop. Re-starting lightdm with sudo service lightdm start did not work: A couple of * Starting [...] lines where displayed, but the process hanged. (I do not remember at which point, but I think it was * Starting System V runlevel compatibility. I manually rebooted my laptop, and ever since booting seems to hang, usually around the * Starting anac(h)ronistic cron [OK] log line (not consistently at that point, though). From that point on, I seem to be able to interact with my system only through a tty session (Ctrl-Alt-F1). I've tried purging and reinstalling both lightdm and gdm, as well as selecting both as the default display managers (through sudo dpkg-reconfigure [lightdm / gdm] or by manually editing /etc/X11/default-display-manager) through both apt-get and aptitude (that shouldn't make a difference anyway) after updating the packages, but the problem persists. Some of the responses I'm getting are the following: After running sudo dpkg-reconfigure lightdm (but not ... gdm) I get the following message: dpkg-maintscript-helper:warning: environment variable DPKG_MATINSCRIPT_NAME missing dpkg-maintscript-helper:warning: environment variable DPKG_MATINSCRIPT_PACKAGE missing After trying sudo service lightdm start or sudo start lightdm I get to see the boot loading screen again but nothing changes. If I go back to the tty shell I see lightdm start/running, process <num> but ps -e | grep lightdm gives no output. After trying sudo service gdm start or sudo starg gdm I get the gdm start/running, process <num> message, and gdm-binary is supposedly an active process, but all that happens is that the screen blinks a couple of times and nothing else. Other candidate solutions that I'd found on the web included running startx but when I try that I get an error output [...] Fatal server error: no screens found [...]. Moreover, I made sure that lightdm-gtk-greeter is installed but that did not help either. Please excuse my not including complete outputs/logs; I am writing this post from another computer and it's hard to manually copy the complete logs. Also, I've seen several posts that had to do with similar problems, but either there was no fix, or the one suggested did not work for me. In closing: Please help! I very much hope to avoid re-installing Ubuntu from scratch! :) Alex @mosi I did not manage to fix the NVIDIA kernel driver as per your instructions. I should perhaps mention that I'm on a Dell XPS15 laptop with an NVIDIA Optimus graphics card, and that I have bumblebee installed (which installs nvidia drivers during its installation, I believe). Issuing the mentioned commands I get the following: ~$uname -r 3.0.0-12-generic ~$lsmod | grep -i nvidia nvidia 11713772 0 ~$dmesg | grep -i nvidia [ 8.980041] nvidia: module license 'NVIDIA' taints kernel. [ 9.354860] nvidia 0000:01:00.0: power state changed by ACPI to D0 [ 9.354864] nvidia 0000:01:00.0: power state changed by ACPI to D0 [ 9.354868] nvidia 0000:01:00.0: enabling device (0006 -> 0007) [ 9.354873] nvidia 0000:01:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 [ 9.354879] nvidia 0000:01:00.0: setting latency timer to 64 [ 9.355052] NVRM: loading NVIDIA UNIX x86_64 Kernel Module 280.13 Wed Jul 27 16:53:56 PDT 2011 Also, running aptitude search nvidia gives me the following: p nvidia-173 - NVIDIA binary Xorg driver, kernel module a p nvidia-173-dev - NVIDIA binary Xorg driver development file p nvidia-173-updates - NVIDIA binary Xorg driver, kernel module a p nvidia-173-updates-dev - NVIDIA binary Xorg driver development file p nvidia-96 - NVIDIA binary Xorg driver, kernel module a p nvidia-96-dev - NVIDIA binary Xorg driver development file p nvidia-96-updates - NVIDIA binary Xorg driver, kernel module a p nvidia-96-updates-dev - NVIDIA binary Xorg driver development file p nvidia-cg-toolkit - Cg Toolkit - GPU Shader Authoring Language p nvidia-common - Find obsolete NVIDIA drivers i nvidia-current - NVIDIA binary Xorg driver, kernel module a p nvidia-current-dev - NVIDIA binary Xorg driver development file c nvidia-current-updates - NVIDIA binary Xorg driver, kernel module a p nvidia-current-updates-dev - NVIDIA binary Xorg driver development file i nvidia-settings - Tool of configuring the NVIDIA graphics dr p nvidia-settings-updates - Tool of configuring the NVIDIA graphics dr v nvidia-va-driver - v nvidia-va-driver - I've tried manually installing (sudo aptitude install <package>) packages nvidia-common and nvidia-settings-updates but to no avail. For example, sudo aptitude install nvidia-settings-updates returns the following log: Reading package lists... Building dependency tree... Reading state information... Reading extended state information... Initializing package states... Writing extended state information... No packages will be installed, upgraded, or removed. 0 packages upgraded, 0 newly installed, 0 to remove and 83 not upgraded. Need to get 0 B of archives. After unpacking 0 B will be used. Writing extended state information... Reading package lists... Building dependency tree... Reading state information... Reading extended state information... Initializing package states... Writing extended state information... The same happens with the Linux headers (i.e. I cannot seem to be able to install linux-headers-3.0.0-12-generic). The output of aptitude search linux-headers is as follows: v linux-headers - v linux-headers - v linux-headers-2.6 - i linux-headers-2.6.38-11 - Header files related to Linux kernel versi i linux-headers-2.6.38-11-generic - Linux kernel headers for version 2.6.38 on i A linux-headers-2.6.38-8 - Header files related to Linux kernel versi i A linux-headers-2.6.38-8-generic - Linux kernel headers for version 2.6.38 on v linux-headers-3 - v linux-headers-3.0 - v linux-headers-3.0 - i A linux-headers-3.0.0-12 - Header files related to Linux kernel versi p linux-headers-3.0.0-12-generic - Linux kernel headers for version 3.0.0 on p linux-headers-3.0.0-12-generic- - Linux kernel headers for version 3.0.0 on p linux-headers-3.0.0-12-server - Linux kernel headers for version 3.0.0 on p linux-headers-3.0.0-12-virtual - Linux kernel headers for version 3.0.0 on p linux-headers-generic - Generic Linux kernel headers p linux-headers-generic-pae - Generic Linux kernel headers v linux-headers-lbm - v linux-headers-lbm - v linux-headers-lbm-2.6 - v linux-headers-lbm-2.6 - p linux-headers-lbm-3.0.0-12-gene - Header files related to linux-backports-mo p linux-headers-lbm-3.0.0-12-gene - Header files related to linux-backports-mo p linux-headers-lbm-3.0.0-12-serv - Header files related to linux-backports-mo p linux-headers-server - Linux kernel headers on Server Equipment. p linux-headers-virtual - Linux kernel headers for virtual machines @heartsmagic I did try purging and reinstalling any nvidia driver packages, but it did not seem to make a difference, My xorg.conf file contains the following: # nvidia-xconfig: X configuration file generated by nvidia-xconfig # nvidia-xconfig: version 280.13 ([email protected]) Wed Jul 27 17:15:58 PDT 2011 Section "ServerLayout" Identifier "Layout0" Screen 0 "Screen0" 0 0 InputDevice "Keyboard0" "CoreKeyboard" InputDevice "Mouse0" "CorePointer" EndSection Section "Files" EndSection Section "InputDevice" # generated from default Identifier "Mouse0" Driver "mouse" Option "Protocol" "auto" Option "Device" "/dev/psaux" Option "Emulate3Buttons" "no" Option "ZAxisMapping" "4 5" EndSection Section "InputDevice" # generated from default Identifier "Keyboard0" Driver "kbd" EndSection Section "Monitor" Identifier "Monitor0" VendorName "Unknown" ModelName "Unknown" HorizSync 28.0 - 33.0 VertRefresh 43.0 - 72.0 Option "DPMS" EndSection Section "Device" Identifier "Device0" Driver "nvidia" VendorName "NVIDIA Corporation" EndSection Section "Screen" Identifier "Screen0" Device "Device0" Monitor "Monitor0" DefaultDepth 24 SubSection "Display" Depth 24 EndSubSection EndSection

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• How do I fix dependency problems with the kernel in apt?

  - by Jon

  When trying to install new packages, either manually or with muon, I get these errors: jon@jon-desktop:~/Apps/mendeleydesktop-1.5-dev4-linux-x86_64/bin$ sudo apt-get install kupfer [sudo] password for jon: Reading package lists... Done Building dependency tree Reading state information... Done You might want to run 'apt-get -f install' to correct these: The following packages have unmet dependencies: kupfer : Depends: python-keybinder but it is not going to be installed Recommends: python-wnck but it is not going to be installed linux-headers-generic : Depends: linux-headers-3.2.0-20-generic but it is not installable linux-image-generic : Depends: linux-image-3.2.0-20-generic but it is not installable E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution). jon@jon-desktop:~/Apps/mendeleydesktop-1.5-dev4-linux-x86_64/bin$ sudo apt-get -f install Reading package lists... Done Building dependency tree Reading state information... Done Correcting dependencies... Done The following extra packages will be installed: linux-generic linux-headers-generic linux-image-generic The following packages will be upgraded: linux-generic linux-headers-generic linux-image-generic 3 upgraded, 0 newly installed, 0 to remove and 2 not upgraded. 3 not fully installed or removed. Need to get 0 B/6,658 B of archives. After this operation, 0 B of additional disk space will be used. Do you want to continue [Y/n]? dpkg: dependency problems prevent configuration of linux-image-generic: linux-image-generic depends on linux-image-3.2.0-20-generic; however: Package linux-image-3.2.0-20-generic is not installed. dpkg: error processing linux-image-generic (--configure): dependency problems - leaving unconfigured No apport report written because the error message indicates its a followup error from a previous failure. dpkg: dependency problems prevent configuration of linux-generic: linux-generic depends on linux-image-generic (= 3.2.0.20.22); however: Package linux-image-generic is not configured yet. dpkg: error processing linux-generic (--configure): dependency problems - leaving unconfigured No apport report written because the error message indicates its a followup error from a previous failure. dpkg: dependency problems prevent configuration of linux-headers-generic: linux-headers-generic depends on linux-headers-3.2.0-20-generic; however: Package linux-headers-3.2.0-20-generic is not installed. dpkg: error processing linux-headers-generic (--configure): dependency problems - leaving unconfigured No apport report written because the error message indicates its a followup error from a previous failure. Errors were encountered while processing: linux-image-generic linux-generic linux-headers-generic E: Sub-process /usr/bin/dpkg returned an error code (1) As indicated above, I ran sudo apt-get -f install but it still tells me there are dependency issues.

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