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

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3
votes
2answers
957 views

What is Sysrq+J “Thaw frozen filesystems” and why it fails?

Is it expected to unfreeze processes that are in uninterruptible sleep because of filesystem issue (NFS, FUSE, bug)? If I press Sysrq+J on my Linux, it halts the system and prints "Emergency Thaw on ...
4
votes
3answers
3k views

What's the fastest way to combine two or more files in Linux?

I want to combine two or more files in Linux, so I am using the following command: cat small_file LARGE_File LARGER_FILE > SUM_OF_FILES However this runs very slow. Does anyone know a Linux ...
3
votes
1answer
1k views

differentiate between identical USB devices on Linux

I'm using two identical USB to serial adapter on my Linux system. So depends on who's inserted first, one of them will be represented with name /dev/ttyUSB0 and the other with /dev/ttyUSB1. Is there a ...
1
vote
2answers
704 views

linux permission for windows mounted partition

I have installed windows 7 and linux opensuse in my laptop. In linux the windows is mounted under /windows/A OR B OR C OR D When ever i write or do a touch in any of this location it says permission ...
0
votes
3answers
414 views

Back up on Redhat

Before installing Autodesk I have to back up all the files, videos, pictures etc. I don't have any idea how to do. Is there anybody who has an idea for this issue ?
2
votes
1answer
443 views

How do I disable USB ports while running from a USB stick?

I want to make a bootable Linux image for a USB stick. For security reasons, I want to disable any other USB ports on the computer. Is this possible? If so, how can I configure it? Let's assume I'm ...
0
votes
2answers
369 views

In Linux can I direct all traffic from a specific ip address or mac address to file

In Linux can I direct all traffic from a specific ip address or mac address to file. I am look of a way to take all traffic from a specific ip address or mac address and put it into a file. Does ...
0
votes
2answers
1k views

How to install CentOS 5 or Redhat 5 on USB Key or external HD

How to install CentOS 5 or Redhat 5 on USB key/HD external? I don't want to create multi-boot (with Windows 7)which mean just when I need a Linux machine by connecting usb I have downloaded LinuxLive ...
2
votes
3answers
15k views

How to join an Active Directory with a Linux machine

How can I join an Active Directory domain with a Linux machine? Will it work with Ubuntu, Redhat, CentOS? Are there any with which it will not work?
19
votes
3answers
4k views

Is it possible to run NXT-G software under Linux using Wine?

I would like to use Lego Mindstorms NXT-G, but I do not have a regular access to a computer running Windows or OS-X. I have tried to use the official software in Linux using Wine, but it didn't even ...
2
votes
3answers
3k views

Configure X connections over TCP without using an X connection

I want to run a GUI application on a remote machine I only have ssh access to. I don't need to, or want to, see the GUI window. (I know I could use something like ssh -C -X remote_server if I wanted ...
2
votes
3answers
150 views

Is there a way to use * in the destination of cp, mv, etc?

In the Windows Command Prompt you can do this kind of thing: ren *.doc *.txt copy my-precious-document.doc *-backup.doc Is there a way to do this is the Linux (including OS X) world? It's a very ...
2
votes
1answer
1k views

Linux PPTP VPN and gateway woes

I have an Amazon Linux machine running in an Amazon EC2 instance. I am connecting to my office's VPN as follows: sudo pppd pty "pptp pptp.<DOMAIN>.com --nolaunchpppd --loglevel 2 --debug" file ...
1
vote
2answers
991 views

613 threads limit on debian [closed]

When running this program thread-limit.c on my dedicated debian server, the output says that my system can't create more than around 600 threads. I need to create more threads, and fix my system ...
2
votes
0answers
490 views

My Dell laptop running Ubuntu Linux 11.10 hangs on reboot but not shutdown. How do I diagnose this?

My Dell laptop running Ubuntu Linux 11.10 hangs reliably while shutting down for a reboot, but when I shutdown, it will complete successfully. How do I diagnose this? I don't know what log files I ...
1
vote
1answer
274 views

ssh to Windows server sitting behind Linux firewall

I have been looking everywhere and still can't get an answer. I am sorry if this is a re-post somehow. I Have a home network setup as follows: OUTSIDE -> Linux Firewall/Gateway -> Windows Server I ...
1
vote
0answers
303 views

Autostart on USB-Stick connect - Kubuntu

I am currently using a portable version of Keepass on my USB Stick. Now I am searching for a way to automatically start that when I connect my USB Stick to my machine. The Stick already gets ...
0
votes
3answers
251 views

How to boot more than 1 linux distro along with windows?

I have a machine that currently has Windows Vista living peacefully with Ubuntu 10.04 but I would like to test out another distro outside of a virtual machine without destroying my current Ubuntu or ...
4
votes
4answers
1k views

Linux only recognizes 800Mhz from 2Ghz

I tried with Suse 11 (KDE), Xubuntu 11.10 and Lubuntu 11.10 and these systems only recognizes 800Mhz from my processor of 2Ghz! The utilities I used are: linuxinfo, sysinfo, "system profiler and ...
16
votes
8answers
12k views

Hide files in Linux without using the dot

I wish to hide files in Linux without using the dot, since it's possible in Windows. Is there a way to do this?
0
votes
1answer
3k views

Significance of priority in “ip rule” command

What is the significance of the prio option in ip rule add/del command? Does a higher priority for a rule give it preference over other rules in the table? I saw this piece of code online, without ...
0
votes
1answer
2k views

Unzip file with underscore in linux?

I'm trying to unzip a file in redhat but I keep getting this when I run unzip filename.zip heckdir error: cannot create file_name unable to process file_name/bin/. I'm guessing ...
1
vote
3answers
6k views

Why can't I see Java applets in Chrome after installation of jdk and flashplayer?

I installed both jdk and flashplayer. For example, when I visit this Java applet test site, this message appears. "Missing plug-in". I have in my /opt/jdk1.7.0_01/jre/lib/amd64/ the file ...
0
votes
1answer
61 views

Listing processes for a certain timeframe

ps -fu username lists all processes currently running. Is there a way to list all processes that were running in a time period ? like, the ones that ran yesterday (and are no longer running)
1
vote
2answers
4k views

__modver_version_show undefined error when building linux kernel 3.0.4 version

I tried to build the linux kernel 3.0.4 on ubuntu 11.10 in virtualbox. Here are my steps: Download the source code tar xjvf linux-source-3.0.0.tar.bz2 cd linux-source-3.0.0 make menuconfig, changed ...
1
vote
2answers
3k views

How to monitor input and output HTTP requests on Linux?

When I invoke an URL I get in an infinite loop due to "301 Move Permanently" HTTP Response Code. I'd like know the output and input requests that the machine is sending/receiving. Is there any way ...
2
votes
2answers
132 views

Start normal user's instance of X app in Linux as root

So, here's what I'd really love to do. My Arch Linux laptop is put to sleep with the help of pm-utils, some X apps (transmission, banshee, etc.) need to be manually shutdown (via script in ...
1
vote
2answers
4k views

Startup script not working in Debian Squeeze

In Debian Sqeeze, I created a script called /etc/init.d/capslock that contains this: #!/bin/sh echo "Remapping Caps Lock key to Escape" setkeycodes 0x3a 1 echo " ...done" I made it executable, and ...
1
vote
0answers
902 views

Strange message during the Linux boot caused by udev

When Debian Wheezy, testing version, is booting a strange message appears: udevd[336] timeout usb_id--export /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-2.2/1-1.2:1.0 video4linux/ [502] After this ...
0
votes
2answers
2k views

rfkill unblock all does not activate a certain wireless card

With an intel 1000 wireless card; rfkill list 0: acer-wireless: Wireless LAN Soft blocked: yes Hard blocked: no 1: phy0: Wireless LAN Soft blocked: no Hard blocked: no 2: ...
1
vote
2answers
775 views

Linux drivers for laser printer Konica Minolta Magicolor 4750DN

I would like to install the konica minolta magicolor 4750DN in Linux (debian 64 bits, I know it's not really supported but that's not the issue right now) but all the manual says is "put the CD rom in ...
1
vote
2answers
1k views

rsync stuck with the --checksum option

I use back-in-time to backup my Linux installation. It serves as an advanced wrapper for the rsync command. Today I tried to add /var/log to the list of folders to be backed up and it caused some ...
0
votes
1answer
114 views

Ubuntu / Windows 7 Dual Boot, Can't update Ubuntu

So I installed Ubuntu (9.04, I believe) on my Windows 7 partition, booted into Ubuntu and I can't update any software: "Could not download all repository indexes" ... and then a list of "Fail to ...
0
votes
3answers
16k views

Linux installation won't boot due to GRUB “no such device” error

I think I've exhausted all I know to do, so I'm sending up the flares. I'll try to cover it all (albeit, in pieces), so please be patient. I decided to install Linux Mint 11 where I previously had ...
1
vote
1answer
8k views

How do I update a package on Gentoo Linux

How do I update a package in Gentoo Linux?
11
votes
4answers
9k views

Going to directory using bash variables doesn't work when directory names have spaces

Let's say I want to store the following command in a variable cd "/cygdrive/c/Program Files/" So I do this dir="cd \"/cygdrive/c/Program Files/\"" That should store the command to navigate to ...
4
votes
4answers
865 views

How will single-bit memory error affect Linux?

I'm rebuilding a three-year-old AMD Athlon 5000 system which has an "ASRock NF7G-FullHD" motherboard with 4 memory slots, labeled "DDR2 800", said to have RAM capacity 8GB total. Besides 550W PS and ...
0
votes
2answers
351 views

Linux: Low memory GNOME distro or VM that takes up < 600 MB total disk space on VM?

I'm trying to get the Hamster time tracking Gnome applet working on OS X using seamless mode. I'm presuming with Gnome I can create a Gnome panel, with just the Hamster time tracker applet in it, ...
0
votes
1answer
1k views

Why is the startup folder in Debian/Ubuntu called “init.d”? [closed]

Can someone explain the history and the meaning of this name?
2
votes
0answers
175 views

Disable auto-open for a specific device

When I insert a flash drive, always is opened a new window of nautilus showing the content of the flash drive. Is there a form to deactivate "auto-open" option for a determinate USB device? Thanks!
2
votes
1answer
642 views

LMDE detects a wireless card, but can't use it

LMDE can see my wireless card, and correctly identifies it, but it refuses to let me turn it on through the shiny graphical interface. Is there a way to use the non-shiny terminal to turn on my ...
4
votes
1answer
1k views

How can I use ffmpeg to accurately export images from a video file?

My goal; export a series of images from a video file using ffmpeg. I guess my issue is related to frames per second and bit-rate. I tried the following command: ffmpeg -i myVideo.mp4 -r 1 ...
2
votes
2answers
2k views

How do I stop KDE from dimming the screen while mplayer is fullscreen?

Whenever KDE (I think) detects no mouse or keyboard activity for a while, it dims my laptop screen, then turns it off. I don't want that when I'm watching a movie. Is there a setting somewhere to ...
4
votes
2answers
868 views

Can I have sudoedit check `$EDITOR` like visudo does?

As far as I know, the major difference is that visudo has a simple parser for seeing if /etc/sudoers (and other sudoers files) is goodly; however, I also noticed that, when I set EDITOR=emacs, ...
2
votes
2answers
205 views

$DISPLAY dependent gtk themes

I have a computer at home that I log into remotely. The "monitor" for it is a TV, so I want gtk applications to use a large font and icon theme, which I managed to do by editing the ~/.gtkrc-2.0 file ...
3
votes
4answers
7k views

Run command at startup as root

I would like to run a command (that turns off bluetooth devices) at every startup. I normally use cron for these, but this is a command that needs to be ran as root. How do I do this?
1
vote
1answer
8k views

Install Dropbox client version for Linux Debian wheezy

I try to searching the .deb pkg for amd64 to install the Dropbox client version, but I didn't find it. I also try to put in source.list more repositories and try to the official page of Dropbox, but ...
6
votes
5answers
5k views

How to color grep output

When I type memcached -vv 2>&1 | grep --color=always "SET\|GET" I get nice memcached stats GET AR-City-1 GET rest-part-241 SET rest-part-241 Value len is 685 GET ...
15
votes
2answers
33k views

How to replace all the contents from one folder with another one

I have folders old and new. I want to replace all the contents in old/* to new/*. There can be many subdirectories in those folders. But there can be few files which are not in new/* but are in ...
26
votes
2answers
67k views

Force logout a user

I When I logged into the machine as root and typed who to see which users are logged in, I found somebody else too logged in as root devuser pts/0 2011-11-18 09:55 (xxx.xxx.xxx.xxx) root ...