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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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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Why is my Windows 8.1 (new laptop) extremely slow and sluggish when compared with Linux

I recently got this laptop, so it is still new and so is the installation. The laptop is TOSHIBA SATELLITE C55D-A-149. I realise that this is a budget laptop and the processor is fairly weak. I dont ...
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Allow only one website using iptables in a linux router

I have a Linux server I'm using as a router for my internal network. I need to block all the websites except one or two using iptables. How can I set this up?
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Find *where* the executable is for a currently running process

If I have 2 executables (/path/to/gcc/myapp.exe, and /path/to/intel/myapp.exe) where one is compiled with an intel compiler and one is compiled with standard gcc, running both will show up in top as ...
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1answer
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Need application to run without root access

i try to build my local services system inhouse, and to thant i need to learn how i can give access to a single user with out type a root access when i do it, or i need to know how i can call the ...
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Difference between running a script locally and remotely

What is the difference between running a script remotely: ssh -t root@$machine -x "sshpass -p 'ubuntu' ssh -t ubuntu@$address -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/nul -x ...
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1answer
8 views

Change Key Bindings Individually for Each Layout on Linux

I am on Debian Jessie with GNOME. I prefer to program with the () bound to what is regularly [ and ] because I do a lot of lisp. I was able to do this with xmodmap, but it ruins my other (Portuguese) ...
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2answers
29 views

When typing in a command, my terminal will often times wrap around

So I'm having a really weird terminal problem that affects both physical login sessions as well as sessions over SSH. Basically, the terminal size is some number of columns. When printing stuff out, ...
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2answers
31 views

Passing through a firewall with a “reverse” proxy

I have to do a workshop in a firewalled environment which is preventing me to show everything I would like and I'm looking for a workaround. I'll be demoing a software which runs on Windows. During ...
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9 views

Make OpenVPN Accessible from outside the network

I'm trying to get openvpn working on my centos machine but I'm having some issues and I don't really know much about openvpn. I've managed to get it working and I can connect to it with another ...
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19 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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1answer
9 views

Redirecting marked packets to Tun device

I have a small program that needs to do various things with a selection of packets, based on various iptable rules. The packets are MARKed this way: iptables -t mangle -d 10.10.0.0/16 -j MARK ...
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used chmod wrongly to mess up copy rights. How to correct

I ran a chmod command like chmod 644 dir/* It seems to have worked for files in this directory, but files in all other sub-directories are now in some limbo state. ls -l dir/sub-dir shows: ...
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1answer
21 views

Google Chrome on Kali Linux will not launch

I'm using Kali Linux amd64 and installed Google Chrome stable release from the official Google Chrome site but it is not launching nor showing any errors i have tried launching it from the command ...
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1answer
10 views

How to execute sudo NOPASSWD command on other server via SSH

I have read all the post related to the issue. But If you can see mine as well and give suggestion. I am trying to do passwordless SSH and run a script on remote server. But Sudo access ask for ...
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centos7 not installing mysql

I've installed centos7 recently, but, when I am trying to install Mysql using the command: yum install mysql-community-server I keep getting Exiting on user cancel while I am not hitting any ...
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1answer
15 views

Computer does not boot after changing hdd and reverting back

1) I have an existing HDD in my computer that dual boots linux and windows using the traditional bios way. 2) I then swap in another HDD and install linux on it with uefi. It boots and reboots fine. ...
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1answer
16 views

Destination host unreachable

An user reports issues with wwan0 interface. 4: wwan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 02:fa:a8:34:86:69 brd ff:ff:ff:ff:ff:ff ...
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23 views

Matching () with a Unix/Linux regex

I have a couple files with the name (a).1 (a).2 ... (a).100 Since a lot of processing tools don't really like ( and ) in the filename I thought it best to rename them to a different name. I googled ...
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3answers
31 views

Backing up linux server on ntfs harddrive

I'm looking for a way to backup my debian server. For the data partition I have a solution using rsync, the backup goes to an encrypted ntfs-drive. NTFS because I often take the drive with me to watch ...
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1answer
19 views

Rsync - resending all files, because files have different timestamp (off by 1 second!)

I am using rsync to backup files from my Mac laptop to a usb drive (exFAT) on my Windows laptop. The usb drive is shared within my home network, and mounted on my Mac. I noticed a weird problem when ...
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How do I fix McAfee for Linux Error: “vsel-installer: No supported build for your platform”?

How do I fix this McAfee for Linux error "vsel-installer: No supported build for your platform"? I can't install McAfee VirusScan for Linux (McAfeeVSEForLinux-2.0.2.29099.zip) on the latest ...
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2answers
29 views

What was the SquashFS compression method?

I've got some SquashFS files, and I'd like to know how they were compressed so that I can have a rough idea of how they would perform when mounted. The only binaries provided by the squashfs-tools ...
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2answers
21 views

How to set a time length of ssh and redirect the error message

I have a hostlist and there are several hosts. I want to use ssh to connect to them. I want to see whether the host is available or not by the time length of ssh takes. If it take long than 5s (which ...
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How do I use an Ext4 partition from Windows with correct file permissions for Linux?

I use Windows 7 and ext2fsd to access a data partition which uses ext4 as mentioned here, here and here. I can read and write from Windows. When I boot into Linux, it is able to read the files but ...
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1answer
20 views

ssh connection error “Permission denied (publickey)”

So I have been trying to build ssh connections between google cluster container containing 1 master node and 2 worker nodes. I have used ssh-keygen to generate key pairs for all three nodes, send the ...
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1answer
25 views

Sharing Internet connection from a Linux VM to Windows

I'm looking for a way to share Internet connection from a Linux operation system like Ubuntu or Kali to Windows 8.1. what i'm trying to achieve is to use one of these open-source based WAN ...
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19 views

Android ADB Shell sendevent Not Working

I want to simulate pressing the power button on a rooted Samsung Galaxy Tab 2 GT-P5100 running Android 4.0.4 using the ADB shell. To do this I changed the relevant permissions using: adb shell su ...
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1answer
25 views

Downloading images via wget

When downloading an image with wget using wget link I get the following errors: HTTP request sent, awaiting response... 302 Moved Temporarily Location: [following] --2015-05-24 14:47:46-- ...
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11 views

Arch Linux chroot cannot mount sysfs

I am running in a chroot with Arch Linux. It is good. I can start it and also did pacman -Syu. My problem is, I cannot do any pacman activities. It says I should do pacman-db-upgrade, but pacman is ...
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GitLab.com times out on Linux

I'm currently using Linux Mint 17 on my laptop and I'm almost unable to work with GitLab. The issue is pretty weird: GitLab.com times out every time I want to save my profile info GitLab.com times ...
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Enable Fn-Brightness Buttons Ubuntu

I am trying to get the Fn+5 and Fn+6 buttons to work on my ASUS laptop running Ubuntu 14.04. I have tried adding all of the following to /etc/default/grub without success: ...
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Installing Hadoop on Linux

I just edited this question based on an experienced user's advice. My question is, how do I install Hadoop on Linux Ubuntu 3.13.0-53-generic (Koding)? I have tried multiple tutorials (example is the ...
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2answers
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System Monitor Says 4 CPUs but Specs say 2 CPUs [duplicate]

I am running Linux Mint 17 on my Laptop. Through the System Info GUI program, I found that the processor is Inter Core i3-2328M. When checking the System Monitor GUI program, it shows four CPUs ...
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point multiple ip address to hosting

I have centos server, earlier it had 1 ip [ a.b.c.d ] (external ip , eg., 141.101.114.59). Now, I bought 2 additional ip [b.c.d.e , f.g.h.i] (external ip , e.g, 190.93.244.58 , 130.93.245.8 ). I have ...
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I am trying to install Linux Ubuntu on my PC and I get unknown chipset errors

I'm trying to install Linux Ubuntu from a DVD. However, I'm getting the following errors... Click for full size How can I just install Ubuntu on my PC? I don't understand why this is so difficult.
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KDE 4.14.2 - American holidays in Digital Clock no matter what

I'm experiencing an issue where no matter what I setup in Digital Clock's configuration, clicking on the clock shows a calendar with American holidays. From what I understand this is identical to ...
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2answers
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Difference between a live cd/usb and bootable cd/usb

What is the difference between a live cd/usb and bootable cd/usb? Most of the times when I have a live cd (in general of Linux distributions), I have the option of installing from it as well.
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1answer
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Open eclipse with a linux user that doesn't have graphical environment (created from console)

I created an user from console in my Ubuntu Destkop 14.04 LTS, doing this: sudo addgroup hadoop sudo adduser --ingroup hadoop hduser I used that user for doing all sort of stuff, because i'm using ...
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Interacting with VirtualBox using phpVirtualBox

I have VirtualBox up and running on my Linux machine. I've installed Apache and PHP, and have http://sourceforge.net/projects/phpvirtualbox/ up and running. I created a new virtual machine using ...
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1answer
42 views

Starting script in screen with cron

I apologise if this has been asked before but I am not sure how to question a search query for this. I am extremely new to linux and I have been learning as I go to solve issues. I am trying to set ...
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How to resolve dependencies while installing application on linux (CentOS 7.1)

When I tried install deluge on my CentOS 7.1 I was facing dependecy problems due to some el6 which are not meant for CentOS 7.1. So, I found this page: ...
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2answers
34 views

How to install exe versions of linux utilities on windows? [duplicate]

I am aware that we can get .exe versions of many linux utilities. I happen to have wget.exe, curl.exe and busybox.exe. But how can I install them so that instead of typing C:\Users\Rahul>cd ...
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PSCP Cannot create file error. How to fix.? [on hold]

I am trying to download backup file of my server from Unix CentOs machine to Local Windows. I tried PSCP with port number. But got some error. Please tell me how to fix it. pscp -P XXXX ...
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Can't use Portable Hard Drive formatted under linux with Windows

I hope you can help me, I have this two 2.5" hard drives (250 and 500GB, respectively) that I put inside Acteck USB 2.0 drive cases and formatted them under linux, creating a new GPT partition table ...
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How to get RUFUSLDR to load from Grub2 on USB

Well last week i came across a few issues with my old Acer One notebook and so i would like to install Windows XP on it. Current Tools and Software at my disposal are: 64Gb PNY USB Flash Drive Kali ...
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1answer
29 views

How to set cursor to after last character in vim?

Why can't I insert at the end of a line in vim if there's no whitespace at the end? Let's take for example my SSH config file: I try to use $, l, e, but I can't seem to get to the end of the word. ...
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1answer
46 views

Error when installing pip for python2.7

I have installed python2.7 on Linux and I want to install pip under /path/to/python2.7.9/bin. So I did this: > cd /path/to/setuptools-16.0 > /path/to/python2.7.9/bin/python setup.py install ...
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Is there any adsl2+ modem with router capability for which traffic routing from one lan port to another can be forbidden [on hold]

Is there any adsl2+ modem with router capability for which traffic routing from one lan port to another can be forbidden for all ports without use of non firm firmware(such as openwrt for D-Link ...
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2answers
39 views

Best way to increment numbers in one line in Linux

I have one line with lot of entries among which is also time. ('DEFAULT',17,NULL,'2014-07-14 10:30:00','Something','2014-07-14 06:30:00',1),('DEFAULT',26,NULL,'2014-07-14 ...