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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ssh to a machine with bridge ports

I want to connect to a machine by ssh this machine has tow ports that are bridged. I am using bridge IP to connect ssh samie@192.168.1.97 But I get this error ssh: connect to host 192.168.1.97 ...
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15 views

Connecting local device to remote port

I have a remotely located linux system and windows machine which I use to login to my remote linux machine using PuTTY. I have an android device which I have connected to my Windows machine through ...
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Dual Boot Lenovo ThinkPad L520, 32 or 64 bit for Ubuntu

I'm confused... Lenovo runs Windows 7 Professional 64 bits but I'm unable to dual boot any Linux Distro in 64 bits, only 32, system freezes in BIOS while it reads the USB Live Key (freezes at install ...
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34 views

Replace an installed program with a newer version

I have GCC 4.6 on my Raspbian installation, but I'd like to use GCC 4.9. I can of course do sudo apt-get install gcc-4.9 but then I have to use gcc-4.9 in order to use the newer version of GCC. I can ...
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130 views

Ubuntu Server 14.04 unresponsive / crashed after a while

I recently posted a question on ServerFault in hopes of getting some hints on where I might look to find the reason for my recent crashes. It was closed as off-topic (because I am an 'end-user' asking ...
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30 views

How can I access the internet connection on a windows machine via usb from a linux machine?

Suppose I have a laptop with a linux system with no internet connection, and a windows 7 pc connected to the internet. How can I use the internet connection of the pc on the laptop, connecting the ...
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21 views

How do i remotely connect to linux box bu tunneling via windows machine

i have a windows machines which serves as jumpb box where it has access to other network behind the firewall and i can do RDP from my laptop(windows) to this windwos machine (JB) Now i need to ...
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139 views

Plesk 12 PHP Cache options

On my Plesk 12 vServer I've installed multiple PHP versions: PHP 5.3 PHP 5.4 PHP 5.5 PHP 5.6 I'd like to enable a cache method (APC, Redis, XCache or Memcache) for all of those PHP installations. ...
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30 views

Sugar on a Stick Installation on white Macbook 2009: Don't

This is more a psa than a question. If you know better where to post, please let me know. I have been trying to install sugar (not) on a stick on the main drive of my daughters white macbook, 2009. ...
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26 views

Set up Firefox sync programmatically

I want to set up Firefox sync from the command line. I wrote a Arch Linux install script I want to be able to set up Firefox sync as well. I am thinking I can change the profile somehow, but I am not ...
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39 views

Use IPTables FORWARD for NFS

I have this topology [R1] -> [F1] -> [Server] I need to pass ssh, web and nfs traffic through F1 to Server using iptables. It's quite easy with ssh and web but I'm stuck with nfs. I have set static ...
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393 views

error: no such device … entering rescue mode … grub rescue

EDIT After trying out these instructions still not working: http://askubuntu.com/questions/88384/how-can-i-repair-grub-how-to-get-ubuntu-back-after-installing-windows The error during grub ...
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35 views

ChromeOS hack dont let me mount usb in filemanager app

Hello a Chrome Laptop(Samsung Series 3 ) comes to may hands, this are for internet but I wan´t use as child computer or office, because wifi internet is not very easy here. I in developer mode and ...
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55 views

How do I boot from a different disk?

I have a working Debian installation. It boots from /sda using GRUB2, with the root partition on sda1. Its a standard install, nothing strange. I've added a 16GB mSATA device which appears as sdc. I ...
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14 views

Linux, file contents from Redis query

I want to make a linux file whose contents are the result of a Redis query. Why? I want to multi-tenant a LAMP app. The LAMP app's configuration is in a file. Rather than fiddling around with ...
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97 views

fglrxinfo shows wrong data for graphics card

I'm trying to set up a linux partition running Ubuntu-Mate 14.04.2. I have an AMD Radeon R9 290 installed. I was able to successfully download and instal the catalyst drivers, but when I run ...
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323 views

smtps service not found/“warning: connect to transport private/smtps: No such file or directory”

I'm trying to access an SMTP smarthost example.com using TLS via port 465 by adding smtps inet n - n - - smtpd -o smtpd_tls_wrappermode=yes -o ...
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61 views

Linux - how to force the operating system doesnt go into maintenance mode

Is there any way to prevent or force a Linux System doesnt go into into maintenance mode when there is a system problem?. Example: In this case was for file integrity. Another opcion is if exist any ...
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77 views

Ubuntu 14.04.1 Trusty crashing / being unresponsive

Disclaimer: I am not an experienced linux user, and I am trying to diagnose a case where my Ubuntu goes away, and doesn't come back. The PC is a headless PC without keyboard and mouse plugged in, that ...
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53 views

How do I find which disk (volume) is failing?

I am using stock Apache Hadoop 1.1.1 and I can't get a datanode to start due to: 2015-04-23 09:12:48,138 INFO org.apache.hadoop.metrics2.impl.MetricsConfig: loaded properties from ...
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373 views

rootfs 100% full debian

I have a problem with full rootfs on Debian (on RPi). I noticed I can't start mysql server with error full partition. I tried looking for space hoggers with ncdu. It all appeared suddenly and I have ...
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90 views

Which PCL 6/PCL XL driver?

I'm trying to setup a print server via CUPS. I've been told that a generic PCL6/PCL XL driver will work fine, but in CUPS there are a million versions listed: Generic PCL 6/PCL XL LF Printer - ...
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43 views

I am having trouble getting yum update to run cleanly in Centos 7. It seems I have a conflict with the Network Manager that I cannot resolve

I am having trouble getting yum update to run cleanly in Centos 7. It seems I have a conflict with the Network Manager that I cannot resolve. CL output shows: Error: Package: ...
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18 views

Change Windows to different EFI partition

So I recently had to reinstall Windows on my dual-boot system after an unsuccessful change to different SSD for my Windows install. I have OpenSUSE on sda and Windows on sdd. My sda drive has a 156 MB ...
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33 views

Copying directory multiple times with 1 command

How can I copy a directory with the name "1" and create directories from 2-150 with the same contents without having to do this individually?
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25 views

What options can be passed to pam_mysql.so in /etc/pam.d/ config files?

There's no manpage for libpam (on Ubuntu 14.10) and man pam refers to something unrelated to PAM. Search engine results only refer to example configuration files, bugs (about escaping) and postfix ...
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22 views

Debian - Autoinstall Debian distribution via PXE

Do u know any method to autoinstall Debian via PXE? ive tryed something similar using SLPOS (Suse Linux Enterprice Point of Service). i want to load a Clean Debian Distribution from a PXE coz i want ...
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56 views

RHEV / KVM - backuping of running VMs

Is there any way or known script / how-to / tools to backup running VM (using VM snapshot and than merging snapshot file with VM disk)? I need to backup running KVMs without downtime and simple copy ...
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120 views

Very high write latency with Intel 530 180GB SSD and Ubuntu Server 15.04

I just put together a new "server" with an Intel NUC5i5MYHE, an Intel 530-series 180GB m.2 SSD, and 16GB RAM. I am having a rather severe problem with writes to the SSD having very high latency. The ...
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262 views

Can the kinect 2 be used in linux?

I know there are open source implementations available to program Kinect version 1 applications in linux, can Kinect version 2 be used in these as well. or are there any other methods to use kinect v2 ...
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94 views

How to install Windows 8 after Linux with UEFI

I have an Asus Zenbook UX32LN with Linux Mint installed on the whole 256GB SSD. How do I install Windows 8 alongside Linux ? The first step is of course to make a new big-enough partition for Windows ...
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61 views

Unable to login to Openvas

I am running Ubuntu 14.04. I have installed OpenVas from Mohammed Razavi's ppa. I have added the ppa by apt-add command, and followed the instructions described on page. Now, when I try to login using ...
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178 views

Open MPI: max processes on a single node

I am using openMPI (ver 1.6.2) on a CentOS 6.6 cluster. I am trying to find ways to increase no. of processes on a single node using OpenMPI. Each node on my cluster has 20 cores. I trying with a ...
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PCMCIA card under linux

Is it possible to use STLAB 10/100 PCMCIA LAN card under linux? From linux live CD?
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170 views

How to properly unmount AUFS filesystem used as root filesystem

I have an embedded system that has an (always) read-only root filesystem with a writeable filesystem overlayed on top of it. However, I'm having problems on system shutdown unmounting or remounting it ...
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87 views

What is the equivalent of Port Forwarding command in Mac Os x Yosemite

ifconfig eth0:0 192.168.1.215 netmask 255.255.255.0 /sbin/iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE /sbin/iptables -A FORWARD -t filter -i eth0-m state --state ESTABLISHED,RELATED -j ACCEPT ...
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29 views

home folder empty after schroot remove

I was trying to backup and refresh my root server. (Update everything, delete unused files etc.) I uninstalled schroot because i thought i don't use it anyway. Afterwards i started the backup ...
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81 views

No audio from the standard Jack ports

I've recently had network issues with desktop PC so I had to open it up to do some troubleshooting (then I found out that the WiFi card was dead). Since I put everything back together, I haven't been ...
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120 views

Realtek PCI network card not functioning on Linux

I have two Realtek Ethernet devices on my Linux (CentOS) machine. The onboard interface is detected but the other one is not. In the below lspci output first one is working. [root@compute ~]# lspci | ...
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151 views

KDE's file manager Dolphin displays error mesage on Fedora 21

Every time I try to use Dolphin, nothing appears where files should be listed. Instead, there is an error message right below the toolbar that states: Could not start process Cannot talk to ...
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192 views

lvextend gives insufficient suitable allocatable extents for logical volume set even free extents

I have one LVM with 4 physical disks (created with -i 4 option). I added 2 more disks to VG and trying lvextend which is failing. Below show I have 1TB of space Free in VG. $ sudo vgs VG #PV #LV #SN ...
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331 views

How to upgrade KDE Plasma 5.2 to 5.3 in Kubuntu 15.04 Beta 2

I tried looking for a way to upgrade the KDE plasma version of my Kubuntu 15.04 Beta 2 to the latest one, 5.3. But there isn't much reference online about how to do it, except using Unstable Kubuntu ...
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21 views

VPN failover on Tomato Router

I've configured two VPN clients on my router to ensure some of my traffic secure. One of the client is the major one and the other is the alternative one. I'm now using custom routing tables and IP ...
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56 views

Install windows on external disk

I have a laptop (Zenbook UX32LN) with ElementaryOS system on it. I want to install Windows 8.1 on external usb HDD for gaming purposes - is it possible without interference in my linux installation? ...
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48 views

shell script to change bootloader background

I'm trying to create a shell script on openSUSE to change the bootloader background from the files /etc/default/grub line: GRUB_BACKGROUND=/boot/grub2/themes/openSUSE/background.png with the new ...
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100 views

Google Chrome proxy settings “with Username and Password”?

I am able to use the google chrome under on Linux Mint behind the proxy. But when the browser starts, each time I have to enter the user and password for the authentication. Is there any way I set ...
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138 views

Permission denied one correct login even as root after changes to /etc/pam.d/system-auth

I changed my system-auth file in etc/pam.d to the following. #%PAM-1.0 auth required pam_env.so auth required pam_lastlog.so inactive=35 auth required ...
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41 views

Disconnect and reconnect dongle in Linux

Do any one know how to disconnet and reconnect dongle in linux through command line (will be great if told using Ppython too). Tried to use mount, unmount command but error occurs as mount: special ...
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89 views

X11vnc server full screen?

I installed X11vnc sever with Kali Linux using this guide: http://hezik.nl/remote-control-your-raspberry-pi-running-kali-linux-using-vnc-server/ The only problem is when I use tightvnc viewer, I do ...
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31 views

Can't change system variables from config files on MariaDB/MySQL on Linux

I want to change two system variables on my MySQL testing server, namely collation_server and collation_database from latin1_swedish_ci to utf8_general_ci, because its annoying that everytime I create ...