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 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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163 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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718 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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317 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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961 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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276 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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473 views

redshift color adjustment with hardware/software cursor

I'm running Arch Linux (with Con Kolivas' ck1 patchset, although that shouldn't affect this issue) and using the proprietary Nvidia graphics driver, currently at version 313.26 (my card is a GeForce ...
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4k 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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904 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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538 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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423 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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236 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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469 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 ...
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145 views

How to configure tripwire to ignore certain files?

I run tripwire daily, I wish to make tripwire --check ignore certain files and directories. How can I do it?
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355 views

My new servers will shutdown instead of rebooting when I do init 6 or equivalent, any idea?

I have 2 new Supermicro servers (5037C-T) with Ubuntu 12.10 and when I try to reboot the machine I instead get a nice shutdown. Interestingly enough, the reboot command in the BIOS or grub work ...
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192 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 ...
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258 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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372 views

Dropbox causes xorg to use 100% CPU

For some time, I noticed that my xorg process uses up between 60 and 100% of the CPU (according to top). I also noticed that interactive work becomes sluggish, even on my multi-core i7 processor. ...
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189 views

Replace Linux Boot-Drive | ext3 to btrfs

I've got a headless server running Debian Linux currently. Linux vault 3.2.0-3-686-pae #1 SMP Mon Jul 23 03:50:34 UTC 2012 i686 GNU/Linux The root filesystem is located on an ext3 partition on the ...
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402 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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230 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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110 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 ...
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176 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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123 views

Clarification on signals (sighup), jobs, and the controlling terminal

So I've read two different perspectives and I'm trying to figure out which one is right. 1) Some sources online say that signals sent from the controlling terminal are ONLY sent to the foreground ...
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561 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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108 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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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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48 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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378 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 ...
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1k views

Does TRIM avoid the performance impact of mdadm RAID 1 on SSD?

It has already been mentioned in other questions that Red Hat recommends against using mdadm RAID 1 on SSD. Red Hat also warns that software RAID levels 1, 4, 5, and 6 are not recommended for use ...
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267 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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303 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 ...
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47 views

Disable MathML output of eLyXer

eLyXer is a standalone LyX to HTML converter. In the resulting file, equations are formatted as MathML, and the file itself starts with an XML tag. This causes two problems: LibreOffice does not ...
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524 views

Synergy breaks copy (for paste) from Windows

I am running Synergy 1.4.10 on Ubuntu 10.10 as the server and on Windows 7 as the client. The problem that is happening right now is that the copy action on Windows has no effect to bring that text ...
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116 views

Iso_level3_shift key not working in Firefox (Linux)

Under Firefox (Firefox 3.6 and Iceweasel 10.0.9), my Iso_level3_shift key (= "Alt Gr" key) is not working. That means that on my azerty keyboard, I can't press some characters like @, |, and so on, ...
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93 views

graphic error on console

I have Linux on an embedded system. There is no graphic system, but I still have graphic errors. For example, if I type: ifconfig eth2 hw ether 00:0e:8c:d0:59:d2 I see: ifconfig eth2 hw ...
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346 views

mounting a multi-drive USB enclosure in linux

I have a OWC Mercury Elite 2-bay USB drive enclosure (OWCMEPT934AL2C). I have it set on "individual" settings for the disks, so the 2 disks show up as two separate drives on my Mac (no raid, or ...
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979 views

Persistence in KNOPPIX v7.0.4

I recently used the KNOPPIX DVD as a tool when re-installing my Windows desktop machine and it worked great so I've been doing some more reading to become familiar with it. I have the "KNOPPIX Hacks" ...
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281 views

ffmpeg/avconv crashes when video frame isn't expected size

I'm capturing my webcam using ffmpeg/avconv, but I keep running into this problem: The v4l2 frame is 828212 bytes, but 829440 bytes are expected And then it crashes. It should just skip that frame, ...
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469 views

Video Streaming to Linux from Windows Shares

I wanted to ask this question for a while now, and it may just be nothing, but it's bugging me like crazy. At the moment i have a win2008 server up, which has several dedicated shares for specific ...
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205 views

Why does cpu usage never reach 100%?

I have a dual-core processor. I'm running two instances of the program below: void main(){ int i; while(1){ i=i+1; } } I run TOP and CPU usage gets up to 97%, however it never ...
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482 views

Missing characters when printing in linux

I have a pdf that I was printing recently, and on the final printout there is a single character that doesn't print. It is the greek letter phi, and the pdf was built with pdflatex. The phi shows up ...
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0answers
125 views

Linux USB to work as CD ROM in OS X

I am working in driver development in Linux USB modules. I have written a driver for USB and it is working as CD ROM in a Windows machine. I made the first partiton as fat32 modprobe g_hidmass ...
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0answers
274 views

How do I use wine's new multi-channel audio support?

Wine supposedly added Multi-channel support to the ALSA driver in a recent release. However, I haven't found any documentation about it or any reports of anyone successfully using it. I have 5.1 ...
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172 views

How can I boot directly into an application?

How can I disable and hide all menus for a specific user and start only one program? What I mean is, I would like my user to login and see only the background image and the one program that the ...
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6k views

How to force mdadm to stop RAID5 array?

I have /dev/md127 RAID5 array that consisted of four drives. I managed to hot remove them from the array and currently /dev/md127 does not have any drives: cat /proc/mdstat Personalities : [linear] ...
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241 views

Model M Keyboard inputs incorrect characters after logging in to Fedora

I recently bought a 24 year old IBM Model M keyboard. From what I gather, it'd been left on a shelf for the last 5 years, so you can imagine the amount of dust dirt and crap that was on it. Before ...
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138 views

Pysdm has disabled my ability to write to my storage partition

I have a dual boot setup with Windows 7 and Mint 13 Cinnamon. As well as their respective partitions, I also have a large one (NTFS) for storing all my music, videos, documents etc. I downloaded ...
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805 views

Samsung 32" LCD TV as PC Monitor, resolution problems

I have a Samsung LE32C450 TV connected to my Nvidia 7300LE via the VGA connector. I managed to obtain 1360x768 resolution (after some work, NVidia driver, Nvidia-settings, xrandr, cursing to every ...
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221 views

Linux: cat /dev/video0 TS into some kind of ring puffer

I want to cat a /dev/video0 device output (Transport Stream) into a temporary ring buffer. In fact i do not want that the file is growing over the time. Simultaneously access is not possible. So the ...