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 prioritize bandwidth in linux

I have a Raspberry Pi running Raspbian acting as a 24x7 downloading server. I am now trying to utilize it with SiriProxy but it fails as it needs to upload/download data from Apple servers which fails ...
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289 views

Is there a way to automatically synchronise the Speed Dial Firefox add-on at browser start-up?

I am an avid user of the Speed Dial add-on for the Mozilla Firefox browser. I use it on a number of GNU/Linux systems which all have access to a GNU/Linux file server. Here is my question: Is there a ...
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1answer
1k views

Python doesn't dump core files

I have a problem where a Python process is hitting a segmentation fault but not producing a core file. The following is a toy example that does not produce a core file on the following distros: ...
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94 views

associate emacs org-mode single file to multiple files?

I do most of my note taking into a single large text file in emacs under Linux. I would like to be able to write down small README.project files in this large text file, and point them somewhere where ...
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372 views

Can I use a desktop environment with X11 forwarding through ssh?

I use ssh a lot (read: constantly) for work. This involves having open vim windows and so forth. What I would prefer is to have a more polished look to these windows, rather than vanilla X11 which ...
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3answers
209 views

ancient computer won't boot from hdd

Hardware Details: motherboard : ASUS p4p800s CPU : Intel Pentium4 2.4GHz HDD#1 : Western Digital WD800JB HDD#2 : Seagate Barracuda 7200.7 ST340014A (40 Gbytes) HDD#3 : ...
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145 views

Linux Kernel-Module loading with modprobe - needs reboot

I was just playing around with the bios beep and therefore I had to load the module pcspkr. But the beep would only work when I rebooted the system. The module is definitely loaded, but the speaker ...
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66 views

Prevent Screenshot in gnome using xmodmap

I want to prevent screenshots from being taken in GNOME using keyboard shortcuts. I need to do this by running a script in such a manner that it can be reverted later. I tried to do this using ...
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104 views

Spanish special characters printed as garbage

I am using slackware, and trying to print Spanish characters. When I use echo *special characters* they display perfectly, but when I write a java program that accepts command line arguments, ...
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1answer
60 views

Output script to audio in Ubuntu?

I am playing around with algorithmic and generative music (at this point it's all generative noise). I have a simple Python script which outputs numbers (ala "bytebeats"). I want to listen to the ...
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1answer
269 views

EFI partition decision (Windows 8)

Earlier today, I installed Sabayon. After messing around with EasyBCD and a couple other tools, (no permanent changes) I gave up on trying to get it to chain-load, and decided to wipe the Sabayon and ...
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2k views

Hard blocked wifi - Lenovo IdeaPad y570 arch linux

I have a problem with setting up my wireless connection. Recently I have installed Arch Linux on my machine without setting wireless at all (I used wired connection). Now, I want to configure my ...
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1answer
1k views

iceweasel (firefox) browser re-installation

I uninstalled my browser (iceweasel) from Add/Remove Software option in Kali Linux.At the time of removal it asked for one dependent package also to be uninstalled that I don't remember. But now when ...
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1k views

New Samsung ATIV Book 8 - looking for advice regarding linux installation

I just bought a new laptop, Samsung ATIV Book 8, and I'm now researching how to approach installing linux alongside Windows 8. Unfortunately I have been reading Samsungs have an issue with booting ...
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1answer
680 views

Should I create an EFI Partition In The Debian Installer?

In the Debian Installer after you are done partitioning I was asked if I wanted to create an EFI partition. I do have Windows 7 already installed in EFI mode apparently (that was a mess up on my part) ...
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445 views

Create mount point on read-only filesystem for fstab to mount

I'm running TomatoUSB on a Broadcom-based broadband router. I have a busybox-style shell available to me. I'd like to have a partition on the attached USB hard drive mounted in /data under the root ...
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261 views

Record line-in audio from two applications using Alsa

Im currently working on an small application which runs on a cubieboard (ARMv7, rasp-pi-like). What I really need to do is, accessing and recording the line-in audio-signal from two different ...
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3k views

OpenVPN Bridging Woes (Can't Ping Server From Client)

Here is my problem: I am trying to set up OpenVPN on my home network, to use as a secure tunnel for traffic from insecure networks when away from home, and also to access machines on my home LAN. ...
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1answer
69 views

replacing a vm with raspberry pi( copying the libraries and files)

Hi i have a VM on which i was doing my development. now i have a situation in which i should run copies of that vm in different buildings. so i thought of getting a raspberry pi and running my ...
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167 views

how to convert dll.files into linux files

Installed Linux mint yesterday cause W7 does work anymore. Linux mint works OK. How can I convert my email history from emClient (dll-files) to linux-files. I tried importing in Thunderbird, but ...
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1answer
2k views

How to move a primary partition into an extended one?

My installation is Fedora 18 and Windows 8, and I need room for another system. I have a very delicate task: I need to move my primary /boot partition inside an extended partition which contains all ...
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724 views

Can I hide BIND mount points from DF?

Is there a formal way to hide the mount points of BIND from df (in CentOS 6.4) ? It's ugly and distracting. Apparently people have been complaining about it for a decade but I cannot seem to google ...
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741 views

Is there a way to reduce a motherboard chipset load in Linux?

I'm interested in reducing the load on the motherboard chipset, or at least, finding what causes the overheating... I have an HP ProBook 4720s with Ubuntu 12.04, which is slightly overheating. The ...
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344 views

run a shell script on terminal if terminal is idle for few minutes in linux

i can get terminal idle time by w command as follows $ w 14:37:58 up 2 days, 20:16, 2 users, load average: 0.12, 0.16, 0.14 USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT ...
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124 views

How to limit the amount of memory that OS X uses?

In linux, one can use the mem=xxxx boot argument to specify how much memory the OS can use. For example, if you say mem=2048 the OS will believe that your computer has 2048 GB of ram regardless of ...
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270 views

Is there a size limit for pam modules run by vsftpd?

I'm writing a pam module to let users authenticate against a PostreSQL database linked to a Django site. It works fine when I let sshd use it, but whenever I try it with vsftpd I get the following ...
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1answer
437 views

Monitoring CPU usage of Virtualbox with top

I'm using the top command in Linux to keep a close eye on Virtualbox which is running a VM. The current CPU in the server is a Quad Core Xeon processor 3.3 Ghz and I have only assigned one core to ...
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56 views

Include exclude patterns rsync relative

I'm trying to sync a large tree on Linux, but include and exclude certain files/directories. My question is regarding rsync's --relative option and how relative paths are handled. Directory structures ...
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510 views

Reusing pre-installed Windows8 OS after installing Ubuntu Linux alongside it

I've bought a laptop which came pre-installed with Windows8 (UEFI enabled). I've read in many places that if I install Linux alongside it, I could run my Windows8 virtualized (instead of using dual ...
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171 views

Where are the TrueCrypt logs located in Ubuntu Linux?

I have tried many configurations and different pen drives. I am using TrueCrypt 7.1a. It always starts formating and then freezes the whole system, I have to forcibly restar my computer. Where ...
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155 views

How to clone a SD card from HP network attached photosmart printer using Linux?

How to make a low level (file system unaware) cloning of a SD card inserted in an HP Photosmart printer, which is accessible via a local network ? smb://192.168.1.58 (192.168.1.58 is my printer IP) ...
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265 views

Linux - How to set up a shortcut to move window to different monitor?

I am using CentOS 6.4. I am aware the similar question has been raised before for Windows and OS X, but so far, the only solution I found for Linux is to press Alt+F7 and move it pixel-by-pixel, ...
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1answer
2k views

Setting User Password Policy as per their group Linux?

I wanted to set a password restriction policy , like minlen , maxage , minage etc . I know the way to do it system wide , Can we do it for a particular group of users . I mean only users under ...
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809 views

SSH Tunnel with socat and tor

I'm trying out tor by attempting to access my development server using socat to create a tunnel, like this: # start TOR tor # create tunnel socat TCP-LISTEN:4141 ...
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1answer
244 views

Booting Debian after upgrade

I have a Debian server. There was a power failure recently and now I'm getting errors during boot up. I had performed a dist-upgrade recently from Squeeze to Wheezy but I don't think my kernel got ...
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3answers
123 views

Use latest version of package in bash script

The installed package libnet-amazon-ec2-perl uses v0.14.1. How do I update this package to use the latest stable release v0.22.1? When I try sudo apt-get --only-upgrade install ...
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143 views

Is `dmsetup remove` safe with respect to contained data?

I have a "lost" SW RAID array as described in this question: http://askubuntu.com/questions/311024/raid1-array-lost-after-upgrade-from-ubuntu-11-10-to-13-04. I have now identified a way to mount one ...
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2answers
700 views

How do I recreate a wiped /boot filesystem in Ubuntu

I accidentally overwrote the /boot filesystem on a running Ubuntu host where the root fs and swap are LVs, and the kernel, initramfs, etc. are under /boot with grub modules and config under ...
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289 views

How can I connect to my linux server with Mac using the credentials of one of the users on the linux box?

How can I connect to my linux server with Mac (Finder and/or Pathfinder apps) using the credentials of one of the users on the linux box?? I am using SMB. The linux box is running Centos 6, Mac is ...
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425 views

Documentation for mdadm bad block support

I've read a bit about that mdadm (and the kernel) now have bad block support but I am having a hard time finding any useful documentation on this subject. Is the bad block list for disk X duplicated ...
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147 views

Load Balancing and Administration of High Traffic Servers [closed]

I am currently thinking of how to best set up my server architecture for a high traffic website which scrapes data from the internet and provides a REST API. One idea is renting root servers in ...
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250 views

No root.disk while installing ubuntu

I am installing Ubuntu 12.04 on Windows Vista using Wubi, offline with pre-downloaded .iso. I executed the following command from an elevated cmd, wubi.exe ...
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286 views

Moved /lib64 to /backup_lib64 using sudo, now sudo doesn't work on CentOS6.4

I did sudo mv /lib64 /backup_lib64 to test some compilation. Now sudo doesn't work at all farhat@heracles:~/software/sudo-1.8.7$ sudo ls sudo: unable to dlopen /usr/libexec/sudoers.so: (null) ...
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141 views

Which network file systems do not implement locking correctly?

As a common cause for file corruption, documentation often cites as cause "NFS that doesn't implement file-level locking correctly" or something similar, e.g., for SQLite: How to corrupt an SQLite ...
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93 views

Slow execution of linux service mtab.sh

I'm trying to speed up the boot time of my raspberry pi with raspbian. With the program bootchart (which makes a graph of the running time of the services at start up) I have seen that the mtab.sh ...
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1answer
67 views

Job management for Linux and numerical simulations

I am working on numerical simulations, and I run them with parameters so that they finish in a couple minutes. I'd like to let them run longer, maybe days. Currently, I have the parameters compiled ...
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417 views

Centos stopped responding

I've CentOS 6.4 on my system. It suddenly stopped responding with the following messages in /var/log/messages Jun 25 21:56:18 ct-0094 kernel: EXT4-fs (sdg1): mounted filesystem with ordered data ...
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55 views

(Linux) Gnome-Screenshot & Cairo-dock

I've been trying to add a gnome-screenshot launcher to cairo dock. I would like it to generate a random filename and save the screen after I've selected the screengrab area. These are the 2 ...
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344 views

How do hdparm's -S and -B options interact?

These two options seem confusing. For example: according to the man page -B 254 "does not permit spin-down". However, testing with -B 254 -S 1 the drive does spin down after 5 seconds. -B ...
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470 views

Virtualbox loses USB connectivity with SmartCard Reader

I'm running VirtualBox inside Ubuntu 13.10 and having issues with USB connection stability. Guest operating system is Debian 7.0 and the USB device I'm trying to work with is a ACS USB card reader ...