Linux refers to the family of Unix-like computer operating systems using the Linux kernel. If your question is about a certain distribution only, use a more specific tag.

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How to connect a monitor via an USB based VGA card?

I want to connect two external monitors to my Toshiba Satellite C640, although I have only one VGA port. I have an external USB to VGA card which I connected, but it did not detect the second monitor ...
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88 views

upstart-monitor with CLI option fails to start in Ubuntu Server 13.04

When I try starting upstart-monitor on Ubuntu Server 13.04. I get the following error: Traceback (most recent call last): File "/usr/bin/upstart-monitor", line 195, in <module> class ...
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620 views

How to add “Read & execute” permission in Windows 7 for file on Samba drive

From a C program I would like to add "Read & execute" permission in Windows 7 for a file on a Samba drive. The "icacls" program is used in example below, but a C library call could also be a ...
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464 views

Debian Wheezy crackling sound on shutdown

Crackling sound is coming out of my internal and external speakers as well when I shutdown or reboot my HP 8540w notebook. lspci | grep Aud 00:1b.0 Audio device: Intel Corporation 5 Series/3400 ...
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257 views

Dual Boot with Windows: Enable numlock

After I installed Ubuntu along with Windows, in both OS's I had to manually enable numlock (despite having enabled a setting for this in the BIOS I believe). Is there a way to enable numlock?
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276 views

Making sysvinit load EVERYTHING in parallel - why does this even work?

I edited /etc/init.d/rc on my Debian machine and changed startup boot to startup boot &. Boot time decreases ridiculously, and no race conditions happen at all. Way faster than even Systemd (which ...
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378 views

Can't connect Wi-Fi on Linux Mint 14

I have got Linux Mint 14 and everything worked fine until today. Today I installed and configured a new router I bought recently, then I tried to connect it. I clicked on the router name in the list ...
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119 views

Explaination needed for strange df and du results

Can someone help me to understand the following output # df -h Filesystem Size Used Avail Use% Mounted on /dev/xvda1 8.0G 7.5G 167M 98% / udev 7.4G 8.0K 7.4G 1% /dev ...
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204 views

Monitor and injection support broadcom 4313

I have a laptop with the broadcom 4313 wifi card. So far I've tried 2 drivers - brcmsmac and wl. The first is an opensource one and the second is a closed source vendor one. With the brcmsmac I'm ...
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357 views

Is my CentOS library multiarch? And what does that mean?

On CentOS release 6.4, I am trying to run a binary. However, it gives the following complaint: (...) requires "/lib/libuuid.so.1" to function. From a quick search, I can see that the only similar ...
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170 views

Using pandoc, dzslides and mathjax only works with Firefox

I'm trying to create dzslides with pandoc (v. 1.9.4.2) that contain equations which I want to be rendered by mathjax. Consider the following example: % $\TeX$ test % John Doe % March 22, 2013 ## ...
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112 views

focus changes when changing workspaces in gnome 3

When I change between workspaces in GNOME 3 (I use fallback mode) either by using a keyboard shortcut (Ctrl+Alt+arrow_key) or by clicking on the workspace icon in the taskbar, the window with focus is ...
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617 views

mdadm RAID monitoring no DegradedArray email

So, I have a couple of MDADM RAID arrays and I want to set up monitoring with email notifications for drive failures through sSMTP but I can't seem to get it working. The system in question is a ...
2
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180 views

Linux bootloader on USB-stick, load different kernel depending on hardware

I'm experimenting with a setup where I keep my kernel and initrd on a USB stick, and thus I can keep everything on the actual computers fully encrypted. Nothing is stored in clear text, and nothing ...
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233 views

Error compiling and installing mcrypt from source

I'm hoping someone can help shed some light on my current issue. Scenario: Installing libmcrypt, mhash and mcrypt from source in order to compile PHP5.4 with the mcrypt extension enabled. OS: ...
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518 views

Having problems with booting GRUB for EFI on USB stick

Whatever I do, it constantly drops me into the 'bash prompt'. Never displays a menu, nothing. I'm running GRUB on a USB stick formatted as msdos (so, FAT) and when I boot into it, GRUB simply won't ...
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0answers
49 views

Is there a way to use an external computer's compiler and fetch results?

I have to use Windows 7 for some reason, but sometimes I need to compile and execute simple programs using C language, which are supposed to work in Linux. All of them are console applications, don't ...
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340 views

Trying to rescue data from WD My Book Studio II, raid 0

For a friend I'm trying to recover data from a Western Digital My Book Studio II external disk drive enclosure in raid 0 mode. At first I tried to rescue the data under OSX, the OS used by the ...
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0answers
102 views

How are ties broken in AuFS with the top-down-parent file creation policy?

The AuFS manual says: Policies for Creating create=tdp | top−down−parent Selects the highest writable branch where the parent dir exists. If the parent dir does not exist on a writable branch, ...
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0answers
217 views

USB Hub Error -62

I have a 5m usb cable which I want to connect to a usb port on a embedded device (linux debarm; kernel 2.6). The cable has one repeater so it's actually two cables with one hub between. When I plug it ...
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904 views

Fixing ffmpeg latency accrued over time

I have ffmpeg/ffserver running in the following setup: 10.1.2.2 captures from video capture cards (16 channels) and streams them to an ffserver as mpeg1video 10.1.1.1/10.1.2.1 (two NICs) hosts the ...
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431 views

Nvidia Force Underclock in Dual Monitor Setup

Not a gamer, no need for 3D or any bells & whistles other than running a dual monitor setup without having GPU pinned to heat generating maximum performance. New Dell Precision M4700 Nvidia ...
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2k views

What is the use of the [BOOT]/Bootable_NoEmulation.img file on several boot images?

I've seen a file called [BOOT]/Bootable_NoEmulation.img on several boot images, and always wondered what it's use is. Neither found a suitable magic number nor could Google help me so I ask here. ...
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208 views

Mapping a Microsoft Keyboard specific key under Linux, when xev doesn't see this key

I have a Microsoft Wireless Keyboard 1000. Between the SpaceAlt Gr and MenuCtrl keys, I have a key with 3 application windows drawn on it, and which displays a 3D overlay of all open windows and cycle ...
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352 views

Network unclaimed and internet is not working?

I have just installed Linux Mint on my laptop Dell Vostro, but networking is not working - I am getting a "-network UNCLAIMED" message when I run lshw. uname -a linux vostro 3.5.0-17 generic ...
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5k views

How do I replace GRUB with the Windows 8 bootloader without losing access to Linux?

I dual-boot Windows 8 and Crunchbang Linux. I installed Windows first, then Linux. GRUB was installed directly in the MBR. However, now I suspect that GRUB is the reason why I can't use bcdedit on ...
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1k views

How to fix damaged NTFS partition?

I have an external HDD with one NTFS partition. I wanted to transfer some files between PCs, so I have copied some files from Debian PC to the drive. After then as usual I have chosen safety remove ...
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674 views

Linux Mint 14 Cinnamon - Fn Keys Brightness Level Intervals

I have a question in regards to setting the brightness level on laptop display using the function keys; I have determined that my screen is capable of having it's brightness level set to values 1-10 ...
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558 views

CentOS Freezes on Startup

I'm very new to Linux, so please go easy! I created a Linux install on VMWare Workstation 8 in order to install a piece of software called OpenClinica. The program is Java based and depends on ...
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0answers
380 views

Random freezing caused by khugepaged?

I have a fairly beefy Arch Linux computer, kernel 3.7.7-1-ARCH. However, recently it's been having random freeze ups. Never common, but it'd freeze for a good 15 seconds where no program is ...
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308 views

Why scrolling in Unity is faster than in Xmonad?

I noticed that when I use default Ubuntu's Unity, everything scrolls fast and smooth. By "everything" I mean web-browsers and vim in terminal when I browse source code. When I use xmonad it seems to ...
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581 views

Linux Mint switching off GPU

Like many users with hybryd video (I have ATI and Intel on my laptop), i've tried to solve the problem by making proprietary drivers actually work, but failed at that (changing between GPUs causes ...
2
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0answers
537 views

Ignore monitor hotplugging events using x11 and an AMD card

I have a triple monitor setup (xorg.conf generated with amdcccle: http://pastebin.com/gWSVEyLa) running on Arch Linux with Xmonad as my window manager. Physically, there is an HDTV off to the left, a ...
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0answers
102 views

Dual boot modular partitioning

I want to install linux mint 14 alongside my already installed windows 7; there is an install alongside windows 7 option but I don't know how that will partition my drive and I don't think it will ...
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0answers
451 views

How to convert downloaded Zinio publications to an open format?

I got a free temporary subscription to PC Magazine on Zinio and I liked it. Now I'm considering renewing the subscription and looking at other interesting publications they may have, but that's ...
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0answers
101 views

Why aren't the options reflected in mount's output?

# mount -t ntfs-3g -o no_def_opts,windows_names,noatime,uid=1000,gid=1000 /dev/disk/by-id/ata-Maxtor_6V250F0_V593GLTG-part1 /mnt/ata-Maxtor_6V250F0_V593GLTG/ # mount /dev/sda1 on ...
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526 views

format external hdd with udf not working on mac os x lion

I formatted my 1tb external drive with the following command: mkudffs --media-type=hd --blocksize=512 /dev/sdb It works on linux but when i plug it in a mac (os x lion 10.7) it tells me The ...
2
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0answers
218 views

Virtual wireless interfaces in different modes on single radio

I'm looking for a USB wireless adapter that will support virtual interfaces running in different wireless modes at the same time. I've found USB wireless adapters that support multiple wireless modes ...
2
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0answers
317 views

No permission to access webcam on linux

I am using a raspberry pi with raspbian to capture webcam shots and upload them to a web server. However, when I rebooted just now I no longer have access to the webcam. I have no idea why this ...
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0answers
495 views

xawtv/streamer webcam snapshots are “wrapped”, but streaming works

If I take a snapshot with my webcam, either through right-clicking in xawtv or through streamer -o snapshot.jpeg, the image is distorted. The simplest way to explain is through an example pictures: ...
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0answers
286 views

Bluetooth not seeing mouse (Fedora)

I have a Lenovo S10 'netbook' that I've installed Fedora 17 ("LXDE spin") on. So far pretty much everything works great, except, the on-board Bluetooth. lsusb shows the controller present (0a5c:2101 ...
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0answers
117 views

Piecing together low-powered hardware for an RS-232 terminal server

I'm working on reconstructing my Cisco lab for training/educational purposes and I found that the actual terminal server I have is dead. I have a couple of 8-port PCI serial cards which would be more ...
2
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0answers
233 views

Ubuntu 12.04 random key presses and key presses not registering

I have a problem with ubuntu 12.04 that started while using the fn and some of the f1...f12 keys on my keyboard. All of a sudden my computer starts to "press" volume up and directly afterwards ...
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621 views

Why is my portable WD My Passport drive not recognized?

My Western Digital My Passport portable drive is not recognized in OS X. It used to be recognized, but not anymore. It does not appear in /Volumes. The hard drive is recognized by a Linux machine. I ...
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136 views

stripping properties and personal information from .odt files on linux?

I have a few files that have fields of properties and personal information that I want to remove, the format is .odt. Basically, I want to strip out everything. What utilities are available for the ...
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0answers
1k views

Errors when installing jdk 1.7 in linux

When I am installing jdk 1.7 in Oracle Linux by using the following rpm -ivh jdk-7u9-linux-i586.rpm However I am getting the following errors, how can I resolve these errors and install jdk 1.7? ...
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0answers
58 views

Providing Access to a Whitelisted Server through OpenVPN

Ok, so there's a server A. This server is only accesible from another server B, with a given IP address. I want to install OpenVPN server on B so that clients connecting to this VPN can access server ...
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0answers
495 views

gparted unallocated entire hard drive

Here is my whole situation: I have a dual booted Windows/Ubuntu computer. In order to move from space from the Ubuntu partition onto the Windows partition, I booted into a live Ubuntu 10.10 CD and ...
2
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0answers
349 views

emacs ansi-term is very slow

I'm running emacs GNU Emacs 24.2.50.1 (x86_64-unknown-linux-gnu, GTK+ Version 2.24.10) on Ubuntu 12.04. When I open an ansi-term (or term or multi-term) buffer, and use it for a few minutes, it ...
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0answers
410 views

Stream live audio with noise filter in Linux

I need to strip the noise from an audio source, but it needs to happen live. The resulting voice doesn't need to sound perfect, it just can't contain too much noise. I've read up about sox, but it ...