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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High CPU usage by virtualbox running windows 2003 in Linux host

I'm running a windows 2003 guest in Linux xiamx-pc 3.2.0-24-generic #39-Ubuntu SMP Mon May 21 16:52:17 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux I notice that virtualbox process constantly takes around ...
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Ubuntu 12.04, 2 NVIDIA GPUs, 2 different XScreens

I have two separate GPUs on my desktop, each has one monitor attached with. I know Compiz does not work with Xinerama, and TwinView only works when 2 monitors are from the same GPU. So I disable both ...
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557 views

Gnome 3 wifi hotspot does not connect with WPA & WPA2 [closed]

I am creating a wifi hotspot. It does connect with adhoc connection but that my android does not detect. When I select security type to WPA & WPA2 Personal. It keeps connecting and never ...
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264 views

How can I set `less` or `more` max lines (scrollable height) limit/boundary in linux?

(Sorry for the title. Any suggestions?) I've set my commandline PS1 to cover 3 lines: white space user, server and pwd $ or # to input I think less (or more?) is configured to break after ...
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176 views

DLNA hardware player paired with router

I have a powerfull router (ASUS RT-N66) with built-in DLNA server (minidlna) with no transcoding functionality. My Philips TV could play about 60-70% files directly from router's DLNA server. So I ...
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2answers
497 views

LXC error in Ubuntu Precise 12.04, can't find apparmor, this worked fine in 11.10

I'm getting this error using 12.04. When I run sudo lxc-execute -n foo -f lxc.example.conf ls, I get /usr/lib/lxc/lxc-init: error while loading shared libraries: libapparmor.so.1: cannot open shared ...
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824 views

CentOS 5, cannot accept htaccess

I have problem with htaccess on my vps.I installed CentOS 5, uploaded site on /var/www/html and it works.But, htaccess isn't working.I tried to add AllowOverride All in httpd.conf, also uncomment ...
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432 views

Can I replace my Linux installation with another one (without breaking my Windows dual boot)?

I have Linux Mint installed alongside Windows 7. I want to install Backtrack Linux instead of Mint. One of my friends said that if I installed it I would lose my Windows 7, and now I'm afraid to do ...
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869 views

Configuring tmux to use Windows key for prefix

Is it possible to use the Windows key in tmux? I'd like to bind my commands to use it as the prefix.
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703 views

Privoxy https/socks5 proxy + Authentication

I have bought a paid https proxy to be able to surf the web securely... the proxy needs authentication and I can use it on windows 7 using Proxifier ( www.proxifier.com ) but in Linux there is no ...
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645 views

Battery management tool in Linux

I want to stop battery recharging once it has reached a specific level, like 80%. I have Lenovo Z560 laptop with windows 7 and it came with a software to manage battery charging. But now I have ...
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94 views

Two users in same group and the group is owner of concrete directory

I have two users on my Linux box: John: an admin Jane: a normal user. I added them both into group called xampp_users. How can I allow both users to have read/write/execute permissions for ...
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41 views

Virtual Box cannot install Fedora Core 14 Terminate on Call StackTrace

I have virtual box and i want to install Fedora Core 14 with ISO image. After booting, i found error in loading driver and terminate with "Call StackTrace". How can i solve this problem? If i install ...
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611 views

Can't install umlet under Linux

I'm trying to install umlet. I have tried quite a lot of different configurations, but none worked. Whether trying from the .jar itself (java -jar umlet.jar), whether using it as an eclipse plugin, or ...
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508 views

Resume interrupted multiple-file disk images created with dd?

This is the effort to recover a failed hard drive containing several important research works. To sum up: with the method I tried (described below) I could not resume failed multiple images created ...
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320 views

Java Applet Console

Can anyone tell me how to access the Java Applet Console in Chromium for Linux? I assumed there would be a Java application packaged with the JRE that would give me access through the command line, ...
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896 views

Use a gamepad as joystick in Linux

Recently I discovered my game pad was acting like the mouse in my Linux Mint 13 Maya. It was really cool feature but It's not what I need all the time. I fixed it over at Ask Ubuntu. Anyway, ...
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470 views

ZoneMinder: improve motion detection?

I started to use ZoneMinder but I'm getting lots of false alarms. False alarm example: because of occasional noise in the image, it triggers alarm although nothing has really changed. Delayed alarm ...
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343 views

Why might my HP C7200 printer appear to have an MTU of 1498?

On my wireless network, I can tracepath to a mac using MTU of 1500 on Ubuntu linux 12.04. (Mac MTU is set to 1470 for some reason, but reply frames are not that big so this does not matter) When I ...
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268 views

Captiva SATA to USB 2.0 + Seagate Barracuda weirdness

We have got several Captiva SATA to USB 2.0 external enclosures which used to work fine with 1 and 2 TB Hitachi drives. Now, Hitachi is gone so we had to switch to a different manufacturer and choose ...
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266 views

How can I block a bunch of contacts in Skype on Linux?

I am using Skype (Beta) 2.2.0.35 on my Ubuntu and after some trial I believe that it is not possible to block a whole bunch or group of contacts all in one move. It would be a very handy feature: ...
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7k views

Installing Wine on Linux Mint Debian Edition

For whatever reason, Wine is not in the repository on LMDE. I would like to know how to install it. Can anyone provide instructions on how to do so?
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I can't download anything from repositories

I want to download a packet from one of the Ubuntu repositories and when I enter apt-get install "thepacket" I get the following error: megajc-reloaded needs to be reinstalled, but no files can be ...
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352 views

Linux Distro with PPTP/L2TP client support and IP Forwarding

I'm looking for a lightweight linux distro with a nice web based front end that I can throw on a VM to act as a secondary gateway out of my network through a VPN. I currently have a debian VM with ip ...
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1answer
352 views

Ubuntu Linux freezes after boot up

After a fresh installation of Ubuntu Linux 11.04 under Lenovo G570, when I choose Ubuntu Linux 11.04 in grub menu, Ubuntu freezes in a black screen and even hiting ctrl+alt+f1-f10 didn't make any ...
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why music and video software on my ubuntu does not work?

I had to upgrade music and videos software up to three times , but until now I can not hear music or see the video in ubuntu Can you help me to solve this problem ? please share thanks :)
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Volume / gain too high with ALSA under Debian for an USB sound card

I encounter some issues configuring audio with ALSA on my Seagate Dockstar on which I plugged a little USB audio card. I'm able to play music with MOC but I'm stuck with a volume way to high. ...
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940 views

Flash player problems in Chrome on Linux Mint 12

I have pretty funny problem with flash player, I can view movies from youtube, but flash does not save my usage data and don't let me change prefferences. Problem occurs only if I install adblock and ...
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4k views

Cannot delete a route in redhat linux

I have the following entry in a redhat linux machine to reject the private network route: Destination Gateway Genmask Flags Metric Ref Use Iface 10.0.0.0 - ...
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733 views

Monitor AMD/ATI GPU memory usage under linux

Is there a way to monitor the GPU memory usage of ATI graphic cards under linux? I found several solutions for nVidia graphic cards, but nothing for ATI graphic cards. It might be possible with ...
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1answer
840 views

Filesystem for Linux OS on cheap thumb-drives (liveusb)

Simple version: what filesystem (or more complex setup, perhaps) is best for use on a liveusb system? LiveUSB system with filesystem directly on the drive, not one with compressed system image a-la ...
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1answer
132 views

Missing library libkolfprivate.so and the symptoms?

Every time I want to install something in pacman I get this info: ldconfig: File /usr/lib/libkolfprivate.so is empty, not checked. ldconfig: File /usr/lib/libkolfprivate.so.4 is empty, not checked. ...
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636 views

Linux Password Dictionary

In Linux, When we try to set a user password the system always checks if it is a dictionary word, I want to know Where is this dictionary located in a Linux machine.?? Is it possible to configure the ...
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265 views

XP restarts the machine on boot over grub2 menu

There were two HDD attached on computer board. One hdd has Linux installation and the other one has Windows XP (on first partition) and Windows 7 (on second partition) First I installed xp and then ...
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451 views

add blinking network-monitor icon in GNOME / XFCE

I'd like to see if i have incomming or outgoing traffic via a little blinking network-monitor icon in my system tray, as it was usual for years within Windows XP, or Android nowadays. I want to see ...
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1answer
124 views

How to securely allow a custom daemon to restart a proxy?

I have a custom daemon which manages a blacklist for my proxy (HAProxy). When the blacklist is updated I need to reload haproxy so that it has the most recent proxy. Unfortunately manually reloads of ...
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667 views

Ubuntu raid configuration lost after reboot

I have a JMicron raid controller on the motherboard, and I have a menu in which I can set RAID arrays when the system boots. I've set it to RAID-1 and added my two identical 2TB disks (the OS disk is ...
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57 views

Send bitmap screen output directly to a file

The question Linux program for HTML/JS wallpaper got me thinking... is there a way to open an application so that the raster output which would otherwise be displayed on the screen is rendered as a ...
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1answer
1k views

dual monitor ubuntu issue

I've recently added to my computer a graphic card I was given in order to have the ability to use a second screen. I think the card is recognised because if I go to System->Administration-> Nvidia X ...
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How can I print individual characters on pre-desktop system log screen in linux at first log message?

I want customize the booting to display a message character by character in the system log display that appears before the desktop login. If I make my own kernel module to do the printing, how can I ...
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2answers
1k views

Backing up root filesystem

I've recently installed an SSD to my system and moved part of my Linux installation to it. To be on the safe side, I want to backup my whole root filesystem with rsync (just a clone, no versioning, no ...
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511 views

Linux mint GRUB issue

I installed linux mint 12 and when I restared 'No such partition ' messgae came and entered into 'Grub rescue' mode.I entered commands and booted successfully. How to repair GRUB now? Because ...
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1answer
254 views

Unable to connect to thin server on ubuntu

I'm unable to connect to my webserver over the web. I've got an ec2 instance running with ubuntu 11.10 on it. It's running a thin server on port 9292. I can ssh into the ec2 box, and do curl ...
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294 views

Gtk3 theme development tips

I've started adopting the default Ubuntu Ambiance theme for my needs, but I find it a very cumbersome process. As soon as I change my theme and load it, it also gets cached so any further changes ...
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1answer
201 views

How to change tiling layout in KDE 4.7

I am using KDE 4.7.4 and enabled tiling. Is there a way to see the current tiling layout and to change the tiling layout for a specific desktop, similar to what you would do in the Awesome window ...
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89 views

Catching forked subproceses

I'm running a game in wine that requires pasuspender to kill pulseaudio so the game can run on alsa. However, it looks like the script and wine itself are forking separate processes so that ...
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143 views

Dualbooting, partitions or virtualization?

Hi, I am trying to have Windows 8 and Fedora 17 in a dual boot setup on my laptop. At first I installed Windows 8, gave it first 40GBs of the drive to play with ( windows installer cut off first ...
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106 views

Linux and battery usage [closed]

I want to install a linux distro on my laptop but I do not want to have a massive battery drain. I remember reading some kernels drain the battery faster then others? Would Mint Linux or Ubuntu out of ...
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2k views

Linux guest under VMWare - Literally HUGE fonts in some applications and situations

So I have installed a Linux guest (Ubuntu 12.04 alternate with expert install), for development. (Easier than keeping around cygwin and stuff.) But it happens, that some windows come up with huge ...
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Crappy YouTube quality with HTML5 player?

I have a fresh installation of Fedora 17 Beta that I've installed the relevant codecs for. VLC seems to be handling playback. However, on all the YouTube videos with the HTML5 player the quality is ...