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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burning a Blu-Ray with Silicon Empire

I've been trying to burn a Blu-Ray disk from an .ISO. The .ISO was created by Nautilus (CD/DVD Creator). Since Brasero and K3B seem not to be able to burn a Blu-Ray on my system, I've installed ...
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Running Debian 2.6 in RAM

I am currently trying to setup an embedded computer in order to load its filesystem into RAM, to avoid writing anything on the real disk but to run applications normally though. Everything should run ...
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linux net command for osx terminal? [duplicate]

i am trying to establish a way to use the same samba net commant found on a linux distro using samba 3.x but i am unable to identify the mac version of it reference to the net command: ...
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How to track some periodic system activity which hinders realtime performance

I'm running Jack2 with Pianoteq-5 on two core laptop running 64bit ubuntu-14.04. Such configurations are very sensitive to realtime performance because of low-latency requirements. At first I heard ...
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Kali Linux not detecting wireless network in dual boot

Am new to Linux. Just downloaded and installed Kali Linux 1.0.7 yesterday. I have a wireless connection in the house. But Kali doesn't seem to be detecting the network. I go to the network icon and ...
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DNS Server won't work! [Bind 9 on Debian 7; Virtualized CT through Proxmox]

First I'd like to thank everyone in advance for helping me - communities like this are exactly what amatuers like myself need when faced with perplexing issues. I've recently begun virtualizing ...
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2answers
29 views

www-data group write after sftp?

I'd like to have my apache user be able to read and write files, my sftp user(s) to be able to upload files that are then available (rwX) to both other sftp users and apache, and everyone else read is ...
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DNS server won't work! [Bind9 running on Debian 7; virtualized through Proxmox 3.1]

First I'd like to thank everyone in advance for helping me - communities like this are exactly what amatuers like myself need when faced with perplexing issues. I've recently begun virtualizing ...
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2answers
63 views

How can I execute a command and immediately quit the terminal?

It should be pretty clear what I'm trying to do: original script.sh: select blah in foo bar oof rab do cmd $blah break done Pretty basic stuff. The problem arises when I try the following: ...
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How do I make wget match exact domain names?

I'm using the following command to mirror a site: wget -r -p -E -N -l 10 -k -nH -H -Dfoo.com,www.foo.com foo.com The problem I am having is that somewhere on foo.com there are links to domains ...
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Use control-nonletter with Emacs in xterm

I mostly use Emacs in a window (I mean a normal GUI window, I guess this is what Emacs would calls a "frame" for which display-graphic-p returns t) but ocasionally use it in inside a terminal ...
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How to modify the starting boundary of an ext4 partition?

There are 4 partitions on the disk. parted /dev/sda --script -- print ... 1 1049KB 50.0GB ... ext4 2 50GB 82GB ... linux-swap 3 82GB 100GB ... ext4 4 100GB 1000GB ... ext4 My goal is to ...
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9 views

Restricted logins + almost all ports closed : secure?

Context : I plan to travel. I want to make a little cloud with my personal server. I wish I could d/l some of my files and eventually upload some files which will not be executed and the whole is ...
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34 views

Is there a linux filter which converts html to simple and pretty formatted text?

I would like to filter html response coming from cURL output. Which filter should I apply? Viewing html content with Midnight Commander is no problem, it shows them as pretty formatted plain text, so ...
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ALSA upmixing/processing conditionally from different numbers of input channels

After a lot of research and experimentation, I was able to get ALSA to upmix stereo to 5.1 surround sound the way I want it. However, my problem is now that I can't properly play mono sources (the ...
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Port Routing/DNS for individual program

Problem: Flickr has closed its http api leaving an https only api. My favourite uploader is no longer maintained, so this change broke it. My current solution to this is to set up a reverse proxy ...
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34 views

Can't mount external HDD. Device listed at lsusb but doesn't appear at /dev

Device works at Windows but doesn't appear at /dev. How can I mount it? So let's go to the infos... uname -a: Linux deeptought 3.13.0-30-generic #54-Ubuntu SMP Mon Jun 9 22:45:01 UTC 2014 x86_64 ...
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WiFi+BT AR5B22. When starting linux - BT disappears. Disappears at all

I have a problem with my laptop wireless card in linux (xubuntu or kali, you choose). It is a wifi(abgn)+BT4.0 miniPCI-E half module from Atheros. FCC ID is PPD-AR5B22 (wikidevi have info about it: ...
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25 views

Redirect ports with iptables

I need to do redirect port 443 on all interfaces to 8080 on one interface using iptables on a box with 2 NICs. I also need to block pretty much anything else on those interfaces. Here is my iptables ...
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1answer
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/dev/dsp missing in debian and cannot hear festival utterance

Tried to make an utterance in festival and it seems /dev/dsp/ is missing in the debian. How to add this? festival> (SayText "Hello") Linux: can't open /dev/dsp #<Utterance 0xb669c708>
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2answers
41 views

unable to read /dev/sda: Input/output error

I was reinstalling my Windows 8.1 from a mirror, then I've repaired grub2 and things got messed up. Now Windows boots about 20 minutes and then runs so slow, that nothing can be done. When it boots it ...
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24 views

Octal Dump is taking too long, and is only using 6% of cpu

I am trying to do an Octal Dump on a large binary file (roughly 50 GB) and it is taking much longer then it should. We are running this on a $7000 4-processor Thinkmate with 4 Core-Intel Xeons and 1 ...
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14 views

Intercept and modify print jobs

I need to apply some modifications (mostly replace some text a la s/foo/bar/) to everything that gets printed from a specific Windows application. My guess is that most of the building blocks that can ...
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1answer
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SIOCGIFADDR: Cannot assign requested address Error in python

I want to set IP address by using python's subprocess module. I was trying to use it like this: from subprocess import call call(["ifconfig", "eth0", "50.7.192.226", "netmask", "255.255.255.248", ...
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Is it possible to create bootable linux on USB drive using windows command line?

we can create bootable windows 7 on usb drive(here) using windows command line, is it possible to create bootable linux using windows command line? ( i.e. not using any software) I've entered the ...
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23 views

How to apply “set number” to vi on root?

I'm using vi on centos 6.5 and added "set number" script to /etc/bashrc in order to look line numbers whenever boot. It works well to show it on user login but not root. How to apply "set number" of ...
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38 views

waking up a sleeping external usb storage drive on linux?

So I got a Seagate external usb storage that goes to sleep after 90 minutes. All its power comes from the usb. At dmesg, this is what happens: [Dom Jun 29 17:25:08 2014] sd 7:0:0:0: Attached scsi ...
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2answers
37 views

I want to edit two different text files using another text file

I want to edit one text file, and it will automatically edited another text files. Is this possible? For example I have three save text files namely fileA.txt, fileB.txt and fileC.txt I just want to ...
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17 views

How to rollback to previous settings status on Centos 6.5

I'm beginner on linux and using centos 6.5 on my machine. I tried to install a Graphic driver of NVIDIA GeForce 8600 GT on Centos 6.5 and rebooted. After rebooting, problem occurred. Gnome booting ...
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1answer
20 views

Rsync transfers everything instead of changed

I have tried many many different combinations of rsync commands, but whatever platform I use it on, from whatever source to whatever destination. It always transfers everything no matter if it's ...
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1answer
51 views

Windows 8 and BIOS won't boot after installing Linux

I've recently been dual booting Windows 8 and Fedora 20 (and one point Ubuntu). My Fedora kernel wouldn't load in GRUB one day so I decided to reinstall Fedora using a live USB (my laptop doesn't have ...
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Upload to SSH in XMODEM manner?

I know I can use scp command and copy any file whenever I can come with ssh client. But let see in more detail. Suppose I have ALREADY logged in with ssh client. This means that I have ALREADY ...
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11 views

Seperate build directory in ebuild

I have an ebuild which isn't allowed to build in it's source directory, but wants a separate build directory. Whats the best way to do this in an ebuild?
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10 views

debian boot procedure stops while starting RAID5 array

imagine the following situation: debian wheezy 7.4 on arm system created a RAID5 with 3 disks /dev/md0 created ext4 file system wrote entry to mdadm.conf via "mdadm --detail --scan >> ...
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2answers
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Ubuntu can't mount windows share

I want to access by termin a Windows share so on my Ubuntu 14.04 system I executed the following command: sudo mount.cifs -o username=dana //192.168.1.4/Users /mnt/ After entering the sudo ...
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21 views

How to install Haskell platform on Kali Linux?

I'm new to Linux and I want to install Haskell platform on my Kali Linux system, but unfortunately I can't do it alone.So I really need your help. Also, if possible explain me how to do it step by ...
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My custom fish shell prompt keeps resetting every reboot

I switched to fish shell a month ago and I'm quite pleased with it. But recently, my custom prompt keeps resetting to the default prompt every time I turn on my PC. When opening the terminal, I'm ...
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33 views

Incremental Backups of ntfsclone Images

I am attempting to make compressed incremental backups of a Windows partition using ntfsclone on Linux. Currently, I am making full ntfsclone images using something like the following command: sudo ...
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1answer
22 views

Make SSH/gpg-agent not ask for passphrase for key it's not going to use

I have two SSH keys. id_rsa is my normal one with a passphrase, and id_lynx has no passphrase because I want it to be usable in a cron job (the user it logs in as is fairly restricted, don't worry ...
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Linux RAID Re-Shape Stopped, unmountable

I added another drive to my RAID 5 and migrated it to a RAID 6. Everything went fine, but now the process seems to be stuck at 63.2% and md2_raid6 takes 99.9 of the CPU. RAID Details: /dev/md/2: ...
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22 views

Open SSH - issue logging in without password - public key

I'm having an issue where I'm unable to login by SSH - I've followed other guides and made sure permissions were set correctly, and that the publickeys on my local machine and remote machine match as ...
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1answer
37 views

Finding subdirectories in linux

I am trying to search through all the subdirectories in the current directory for a directory named 'jdk1.7'. I have written a statement like find -type d -name 'jdk1*' But I am not getting any ...
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1answer
25 views

Wireless Card Dumping Lots of Log Messages (13GiB+ over a few hours)

My USB wifi adapter (TL-WN822N running on Fedora 20 with the ath9k_htc adapter) seems to be working fine but is dumping similar debugging messages multiple times per second. The messages are so large ...
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No applications load on first workspace in Ubuntu with Xfce using i3 as WM

I'm trying to use the i3 window manager with Xfce on Ubuntu 14.04. I have installed Xfce and disabled the "desktop" and Xfce's wm, and set i3 to autostart as the wm of my choose. I do this in Settings ...
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1answer
64 views

Unrecognized option 'b:v' when trying to convert a video

I get "Unrecognized option b:v" when I tried to convert a video. I'm using FFmpeg version SVN-r26402. Here is my error log: Raw Conversion Log Started on 2014-06-29 00:02:02 - 2014 Jun 29 Checking ...
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1answer
31 views

Why does the alien package converter need root permissions?

When trying to convert a .deb package to .rpm using alien, I use this command: $ alien -r foo.rpm but it complains thusly: > Warning: alien is not running as root! > Warning: Ownerships of ...
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Restrict access on home server

I have a RaspberryPI with Raspbian. I want to host some files on there and give access to my friends as well via FTP and SSH. I want to create a big shared folder of sorts where they can read/write, ...
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Linux, Unable to get usb wifi drivers to work or compile

I've got a generic Ralink wireless usb dongle, and a fresh install of Linux Mint 17 (cinnamon). I'd like to be able to use the dongle to connect to my wifi, so that i can free up some cat5 cables i ...
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2answers
37 views

Touchpad on linux way too slow

Recently my touchpad has gotten to be way too sow on Linux. I use Fedora with a Dell Inspiron 15R. It was working fine for months, but recently is unbearably slow regardless of my speed settings. I ...
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1answer
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Find files with different inodes in same directory structure

We have a slight problem with our backups. Our setup is as follows: We create a backup using the rsync command. The backup uses the option --link-dest option, to create incremental backups with ...