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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531 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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6k views

ubuntu 12.04 server and tftp access violation issue on put command

I installed tftp as per this document: http://icesquare.com/wordpress/solvedtftp-error-code-2-access-violation/ I followed this to the letter 3 times and every time I put a file I get: ...
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173 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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1k views

Hamachi Gateway under Linux

Has anybody successfully gotten Hamachi working on a Linux server working as a gateway? Any help getting that setup? I'm in a dorm room (so I am pretty much forced to use Hamachi instead of OpenVPN) ...
3
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0answers
234 views

Computer-to-Computer network between OS X and Linux

I want to make a connection point to point via wifi between Mac and Linux. What I did was: I have created Computer-To-Computer network in OS X I have set manually an ip address for Mac, ...
3
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0answers
486 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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0answers
1k views

AWS Load Balancer is slow?

I realize I should probably ask this question on AWS forums but I tend to get quicker responses here. I'm trying to setup a load balanced environment in AWS. I have two EC2 instances that are ...
3
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0answers
177 views

Amplify alsa capture beyond 100%?

I'm using ALSA. The volume of my mic is so low that even 100% of capture volume is not enough in a skype conversation. Is there any way to amplify the capture volume beyond 100%? I cannot use ...
3
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0answers
141 views

Read and parse perf.data

I am recording a performance counters frm linux using the command perf record. I want to use the result perf.data as an input to other programming apps. Do you know how shall I read and parse the ...
3
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0answers
277 views

Export Power Point presentations to flash with control buttons on Linux

I need to export *.pps, *.ppt, *.ppsx, and *.pptx files to .swf files. On Windows I used iSpring for Power Point, and worked well. This is the result of iSpring: I am searching for an ...
3
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0answers
421 views

Making grub boot into chroot directory

I am trying to make grub boot into a chroot directory /slack containing a Slackware Linux installation. This directory was created by issuing the following command: installpkg --root /slack a/*.t?z ...
3
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0answers
263 views

Choose between multiple keyboard layouts for different users in GDM3

I am trying to set up a computer with multiple users each with different preferred keyboard layouts. The biggest sticking point right now is allowing each to log in comfortably. GDM used to offer a ...
3
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0answers
2k views

No DisplayPort output via DisplayPort→HDMI adapter from Nvidia card using Linux on Thinkpad W520

I have a Thinkpad W520 laptop with Nvidia Quadro 1000M graphics running Debian testing (“wheezy”) and Nvidia driver version 295.40-1. The graphics mode is set to discrete in the BIOS. I would like to ...
3
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0answers
3k views

XRDP: window manager not starting

I have setup my Ubuntu server so that I can connect and login to XRDP from Windows remote desktop. My problem is that after logging in, no window-manager is started. It only displays a single ...
3
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0answers
3k views

Why boot fails with bios SATA Mode as AHCI?

In a nutshell, I am trying to figure out for some Jetway engineers and myself, why the custom bios they made me does not allow SATA devices to boot in AHCI mode. Obviously, this is difficult to ask ...
3
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0answers
418 views

Ubuntu linux - new “MIDI” device diagnostic software?

I'm looking for software that will tell me if a particular USB device meets the MIDI standard. I have a new Madcatz wireless USB controller, that I suspect will need a special driver before it's ...
3
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0answers
610 views

Case-sensitive error in compiler's building using crosstool-ng under Cygwin

When I try to build gcc cross-compiler using crosstool-ng under Cygwin (running in Windows 7) I have the following message: $ /opt/ng-crosstool/bin/ct-ng build [INFO ] Performing some trivial sanity ...
3
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0answers
430 views

Fedora: Access dynamic disk created in windows

I recently decided to migrate from windows to fedora*. Now, my problem is that my main disk was a dynamic disk. I thought I had a vague memory of this working in linux (to be specific, fedora 16), but ...
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0answers
1k views

How to use an old Kingston DataTraveler Vault Privacy USB flash drive on Linux?

My company provides me a DTVP with hardware AES encryption two years ago and the CDrom image does only contain tools for Windows and MacOS X. Kingston products now have support for Linux. Current ...
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0answers
547 views

Gnome 3 move window to 2nd monitor?

I am running Mint Linux 12 with Gnome 3. My setup has 2 screen. I am wondering if there is a program to move the windows to a 2nd monitor? Something like display fusion for Linux that makes a button ...
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0answers
1k views

Multiple GPUs in Linux - how to specify which GPU runs X windows

I have been running Red Hat Enterprise Linux 6.1 on a system with a GTX 480. Recently I added a 3GB GTX 580, as my CUDA application requires more memory than I have on the 480. Due to space issues in ...
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0answers
2k views

why can't I create directories in virtual box shared folder? Windows 7 host, arch linux guest

I'm mounting a shared folder in an arch linux guest on a windows 7 host in Virtual Box. The shared folder's filesystem is ext3 and is mounted in windows 7 with Ext2Fsd. I mount the shared folder at ...
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0answers
2k views

How to send Windows key over VNC to Linux from Windows?

Alright, so I'm running Linux with AwesomeWM on my home machine. I'm running x11vnc on that machine and I want to connect to it from a windows machine. So it suffices to say that I need the Windows ...
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0answers
10 views

udev rule to auto-execute script

I want to create a udev rule to execute when my headset gets plugged in. Therefore I followed this Tutorial, but my rule doesn't seem to work. The output of udevadm monitor --environment | fgrep ...
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0answers
32 views

How to make cron perform task every hour during business hours?

I'm trying to make a script run twice every hour during business hours on weekdays, and i have the following in my cron setup: # m h dom mon dow command 8,48 8-17 * ...
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0answers
33 views

USB 3.0 Trouble

I am using a WD Elements Portable 1TB USB 3.0 2.5" disk bought in May 2014 to backup data of my desktop machine. rsync runs smoothly without any error messages. However upon restoring data from the ...
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0answers
65 views

Ms office 2010 not working in fedora 22 in wine

i am new in Linux, Using fedora 22 beta. i have installed wine. Then installed ms office standard 2010 package. Everything was okay except the Ms power point.Then thought as we do in windows, i will ...
2
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0answers
66 views

Getting 4K@60Hz via ATI R9 290 display-port on Panasonic TC65-AX-800U

Hi I have an AMD R9 290 card, under linux, with the proprietary Catalyst 14.50.2 driver; the AMD Card only Has HDMI-1.x which can't do 4K@60Hz, but it does have display port which is capable of ...
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0answers
29 views

Setting up Wi-Fi using USB adapter on Ubuntu 12.04

I have tried in vain to set up my Ubuntu 12.04 laptop as a Wi-Fi hotspot; it says Your wireless card does not support Access Point mode I had to resort to a USB Wi-Fi adapter, and I purchased ...
2
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0answers
33 views

Configure firewalld to distinguish home and public ethernet connection

I connect my notebook via ethernet at home and outside. I want to open some ports for services like samba only at home and not somewhere else. How can i let firewalld automatically detect where i am, ...
2
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0answers
40 views

Why might a partition show up in `mount` but not `df`?

If I compare this $> sudo mount | grep sdb /dev/sdb1 on /windows type fuseblk (rw,nosuid,nodev,allow_other,default_permissions,blksize=4096) /dev/sdb2 on /store type ext4 (rw) with this $> ...
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0answers
26 views

How to limit the USB bandwidth a device can allocate on Linux

How do you put an cap on the amount of bandwidth a USB device can allocate on Linux? I have a couple of cheap USB webcams that I'm trying to running simeltaneously. Running v4l2-ctl ...
2
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0answers
38 views

setup vcan interface to be activated on boot

I want to setup a virtual SocketCAN interface on boot. The following lines do what I want (manually): ip link add dev vcan0 type vcan ip link set up vcan0 (or) ip link add dev vcan0 up type vcan ...
2
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0answers
44 views

Using Virtual Box to install Ubuntu Server 14.04 on an external hard drive

I'm trying to install Ubuntu 14.04 onto a server hard drive. The server machine I have only supports booting to CD/DVD, not USB. When I've tried burning the Ubuntu 14.04 installer to a DVD for ...
2
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0answers
50 views

How to count number of files in “.tar” files inside another, nested “.tar” file without extraction?

There are many solutions out there on counting of files inside a .tar file. But I have not found a solution to count number of files in .tar files inside another .tar file without extraction. For ...
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0answers
25 views

How to interpret these SMART values?

The other day I checked my SMART stats and noticed a nonzero reallocated sector count using smartmontools. About a day or two ago it showed as "16 (0 2)" and now shows as "24 (0 3)". Similarly the ...
2
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0answers
94 views

How to programmatically control the mouse cursor, without hardware mouse attached in android?

I have an Android device and an app which should move the mouse cursor programmatically. When I have an Bluetooth or USB mouse attached to the device, I can send events to /dev/input/event7 to move ...
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0answers
22 views

zsh complete cd with two arguments

Context for those who know about zsh completion but not all its features: One of the unique and really useful features of zsh is as follows: [/usr/dir1/dir2/dir3/]$ cd dir1 dirnew ...
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0answers
51 views

Where are Xen guest config files stored?

I'm new to Xen stuff. I have a XenServer 6.5 running, with XenCenter and a Debian installed as a PV VM. I'm trying to setup the extra security now so I don't have to learn about it after I've been ...
2
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0answers
38 views

Load averaging: philosophy?

Let us assume that I work in a company and this company possesses just one server. At the end of every month my boss enters my office and asks me: 'Do we need new CPUs?'. Let us also say that, as a ...
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0answers
36 views

Can I remove .listing files from web subdirectories?

I was working on my webserver, and noticed I wasn't able to remove a directory as it wasn't empty. I ran ls in it, and found a single .listing file. Opening it, I found a list of the files that were ...
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0answers
47 views

How to get steady time on an Atmel xPlained SAMA5D3

I'm running Debian Jessie from an sdcard on an Atmel xPlained SAMA5D3 SBC. I have a python program which samples another device via serial line. Said device has a pretty reliable 20s countdown clock. ...
2
votes
0answers
77 views

VM image inaccessible in Virtual Box

I have Virtual Box installed on base OS RHEL 5.5. I am using Windows 7 as a VM image on Virtual Box. While transferring a folder of 600MB on Windows I got a Virtual Box error saying Memory limit ...
2
votes
0answers
1k views

OpenVPN Linux client - tls key negotiation failed to occur (FrootVPN)

I'm using the free FrootVPN service (works flawlessly on Windows). However on Linux I can't manage to get it to work. FrootVPN's support webpage is broken so I can't message their support. I know ...
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0answers
384 views

Fedora 21 update failed

I have fedora workstation 21 installed and I got a notification in the Software application about an "Important OS Update". When I click "restart and install", the machine restarts and boots into the ...
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0answers
39 views

How to reduce file size in swf files?

I'm trying to reduce the file size in a swf file that is 17 MB in Ubuntu 14.10. I tried using swftools and avconv. When I did swfcombine -dz file.swf -o file_new.swf swftools only managed to ...
2
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0answers
106 views

Dolphin/Konqueror wrong file type recognition

In Dolphin/Konqueror files that are supposed to have "unknown" file type have "Microsoft Help Attribute Definition File" as their type. This also affect files without extension with special symbols ...
2
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0answers
615 views

Ubuntu fails to install cuda toolkit

I want to install cuda toolkit on ubuntu 14.04, so I downloaded cuda-repo.deb from nVidia site and then ran: sudo dpkg -i cuda-repo-ubuntu1404_6.5-14_amd64.deb But it fails. There are no error ...
2
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0answers
1k views

Copy files from GoPro over USB on Linux

I'm having a problem to copy files from GoPro over standard USB connection. I can copy tons of photos without any problem, but the connections break when I copy large (800Mb+) video files. In my ...
2
votes
0answers
33 views

How to remove tty[7-63]?

I have an embedded system, a beaglebone black to be specific. This SBC runs Debian wheezy 7.4, and a custom 3.8.x kernel. Patched for this hardware. Anyway, the title pretty much says it all. I can ...