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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Installing Ubuntu 13.10 unable to see partitions

I am attempting to dual boot Ubuntu next to my current Windows 8 installation using the following instructions: ...
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192 views

Linux: User vs group permissions

I'm fairly new to Linux and testing around with it. I'm SSHing into the server, and I created a testuser while logged in as root ussing adduser. I noticed that it didn't create a home directory, so I ...
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3k views

Hostapd requires manual restart for devices to connect

I am currently setting up a WiFi hotspot for the padres using their NAS with WiFi card. Setup: Ubuntu 13.10 Hostapd is bridged with eth0 (br0), and works great if manually restarted sudo service ...
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90 views

Moving Windows non-system partition and Linux to a new drive

My setup has two hard drives. A smaller hard drive with the Windows C: partition and GRUB, and a larger hard drive with a Windows D: partition, and a Linux install - separate / and /home partitions. ...
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63 views

SED basic substitutoin is not working

I am on ubuntu 12.04. Following expression: echo abcd123 | sed 's/\([a-z]*\).*/\1/' is supposed to get result as "abcd". But I am getting "abcd123". WHY?? Using following site as SED tutorial: ...
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35 views

Solution for HPC with Matlab and Linux

I have the following problem. I want to install Matlab as root on a remote computer with graphical user interface installed. I've a campus license that can be installed on 4 different computers (or ...
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330 views

crontab a bash script that is copying certain files

First I would like to say that I am terrible with scripting so this has been a true challenge for me. Any input would be great! I would like to automate an sftp transfer every 24h. If I am lucky in ...
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2k views

How to set up x11vnc on freshly installed ubuntu server with no gui?

I installed Ubuntu 13.04 server on my remote server, and then proceeded to use tasksel to install ubuntu-desktop (which means GNOME i think). all remotely. Now i'm logged on and want to start X and ...
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60 views

Getting started with VNC

I have subscribed to a VPS service for the purpose of running some remote applications. To do this I'm going to need a remote desktop of one sort or another. With this in mind it was suggested that ...
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39 views

User install package generates email

I wanted to know that is there any mechanism that when user install/uninstall any package by sudo. Its generates email and send it to the root's email address. I am using centos 6.4 and usually ...
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253 views

Where can I get the ftpput source code?

Where can I get the ftpput source code? I want to use it on embedded Linux. There is a ftpput command in BusyBox, but it does not support uploading a file to a directory.
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591 views

Boot manager does not present me with OS choice

I have installed Linux Mint 15 alongside Windows 8.When installing Mint the option I chose said install Mint alongside Windows 7 which I chose. Once the system rebooted after the install,I was ...
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1k views

Skype can not find libssl.so.10 on 64-bit Fedora Linux

Skype will not start: $ skype & skype: error while loading shared libraries: libssl.so.10: wrong ELF class: ELFCLASS64 $ ldd /usr/bin/skype |grep ssl libssl.so.10 => not found OK, missing ...
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451 views

How to proxy windows TCP port (that is under NAT) via linux with public IP?

I have a server (where I am administrator) to which I can connect via MSTSC.exe from windows under NAT. server is under NAT. I have ssh and sudo rights to Linux server with public IP to open ports 2k ...
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239 views

Failed dependency while installing Iron browser (a Chromium web browser clone)

Installation failed while trying to install Iron browser. [root@localhost softwares]# rpm -ivh iron64.rpm error: Failed dependencies: libc.so.6(GLIBC_2.15)(64bit) is needed by ...
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228 views

Why is this awk statement not working?

awk 'BEGIN { COLM_FMT = "%-8s, %-8s, %-8s, %-8s, %-8s, %-8s, %-8s, %-8s, %-8s, %-8s, %-8s, %-8s, %-8s, %-8s,\n" } { printf COLM_FMT, ${totals[0]}, ${totals[1]}, ${totals[2]}, ...
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676 views

MEGA download not working with Iceweasel on Linux?

So I tried downloading a file to my computer from a Mega link and the app loads a screen with a progress bar. The bar reaches 100% but then nothing happens. Does anyone know where my file is? I tried ...
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72 views

How can I add a link to a NAS on my desktop in Raspbian?

I've created a mount to my NAS in Raspbian. It works, and I can access it via the File Manager. Is it possible for me to put a link to the file manager which will open in that share's folder on the ...
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961 views

Can`t create new files on tftp server

I have installed tftpd and xinetd on Ubuntu 13.10 and I have problems with writing to tftp server. /etc/xinetd.d/tftp file content: service tftp { protocol = udp port = 69 ...
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65 views

regarding swp files and same file opened in different vnc

I have different VNCs at work and many times, i forget to save or close some files opened in gvim. Later, I'll open up the same file in another VNC. Though it'll tell me that it is already opened ...
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675 views

Copying symbolic links and filenames with special characters to NAS

I have a new Western Digital My Book Live NAS. I am trying to copy files from an old drive to the NAS. I'm using Ubuntu 12.04 and I've mounted the drive by browsing the network in Nautilus and ...
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278 views

LINUX + Windows (network incompatibility)

I'm having some strange problem in my house. I live with 2 friends, and we have 3 notebooks. Until yesterday, all 3 using Windows. All 3 are connected to the same wi-fi router. Yesterday I installed ...
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3k views

ffmpeg fastest way to convert videos avi to mp4

I have server which has: 8x3,4 (sandy bridge cpu) 10gb ram i tried different combinations to convert vvideos i mean avi to mp4 but it takes so long: - ~20mins=~200mb maybe there is some ffmpeg ...
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272 views

Setting up LAMP without Internet

For a school project, we have to set up a server with LAMP. However, we cannot connect the server to the Internet during the installation process. We tried using CentOS and putting CentOS .rpm ...
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281 views

Multiplayer chess application for Linux Mint?

I've been given an assignment to get a chess application to play between two computers running Linux Mint, through a network hub but without internet. Could someone explain the process, and if there ...
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69 views

X forwarding: Disable secondary monitor

I use X forwarding from a linux box to a windows box (X forwarding) which has 2 monitors. New windows are always opened at the opposity display. Thats so terribly annoying! Any way to get rid of this ...
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1k views

Proper procedure - sftp access to www folder - To be able to upload files

My www folder is root:root. What should it be? My site works perfectly but maybe I am doing something wrong. My nginx.conf says user is 'nginx'. Should I be changing the www onwership and group to ...
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2k views

Centos 6 server does not open ports

So after some battling and struggling with the firewall, i see that I may be doing something or the firewall isnt responding correctly there is has a port filter that is blocking certain ports. Okay, ...
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145 views

SSH without portforward

I have a raspberry pi lying around in my dorm room. It's connected to campus internet which has all ports closed and I obviously don't have any access or permission to port forwarding. Now I want to ...
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185 views

Linux SSH server setup, Kerberos authenticated NFS4 home dir

I want to setup a ssh server for our users. Our users authenticate against our ldap server with Kerberos encryption, upon which they get access to their home dir's. The ssh server has to listen to the ...
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50 views

How can I know what subfolders rm -rf attempted to delete first?

I mistakenly run rm -rf on a wrong folder and than cancel the operation after two seconds. The folder is quite big with many subfolders and maybe 1% was deleted. How can I know what subfolders rm ...
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47 views

nothing in /boot folder? Replacing Kernels

I am using Kali linux on my raspberry pi and I am trying to replace the kernal in /boot I have a new kernel and I thought it would be just getting the old kernel image and calling that kernel.old ...
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240 views

EXT4 external hard drive for use with multiple systems

I recently bought a external hard drive to store some data on. I use Linux but I am not a power user. If I format the drive to EXT4, is it possible for the permissions to ever screw up and I lose ...
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848 views

How to remove large number of files/folders in linux

We are using hadoop to split a table into smaller files to feed to mahout, but in the process, we created a huge amount of _temporary logs. we have an nfs mount for the hadoop volume so we can use ...
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591 views

rsnapshot / cp-al: duplicate files on mounted NFS share

The Scenario I'm backing up one of my Debian wheezy machines via rsnapshot. The target directory is a mounted NFS share. A Qnap NAS serves this target directory. The Problem But rsnapshot complains ...
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852 views

How to configure in crontab with condition statement for checks

We like to monitor the NAS storage mounted on a Linux box. We only like to be notified via mail when the usage exceeds a certain number, say 80. We have only seen in Linux books where most of them ...
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1answer
906 views

Can't ping through default gateway

I have the following configuration: Routing table on M3 is: Destination Gateway Genmask Flags MSS Window irtt Iface 0.0.0.0 192.168.2.1 0.0.0.0 UG ...
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669 views

Can't mount external drive on archlinux

I have big problem with my external drive (500gb) I just try everything. I use archlinux and i have a I/O errors : (dmesg) 224.116533] Buffer I/O error on device sdb1, logical block 488383992 [ ...
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382 views

Fedora 19 no longer bootable

I had fedora dual-booted with windows on my laptop for a while but with windows refresh grub was gone and my system directly booted windows. I booted fedora with my systems boot options and with this ...
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27 views

How to get data shown out of workspace or directly from application?

I'm a new user, because until this moment I used to handle with everything by myself. My problem is complex so I think I chose the right section. Because of some reason I had to use another web ...
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1answer
47 views

How can I delete a user which is logged in and have a uid=0

I want to delete a user which have zero user-id but I found error : userdel: user hgw_admin is currently logged in.
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42 views

RPM User specific updates

I have packaged my software as rpm and everything is working just fine with software however there is one part of contents of rpm which I can't find proper way to update. Every user in system has ...
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681 views

Linux Live CD only works when Windows is in Legacy mode?

I have asked a similar question before and no one was able to help me but I think it was because I wasn't phrasing it properly. This is a better restatement of the question. I have Windows 8 and Linux ...
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1answer
1k views

cannot start mysql server bind socket denied

I have been trying to start mysql server but got this error: Can't start server : Bind on unix socket: Operation not permitted 2013-10-21 13:53:54 25098 [ERROR] Do you already have another mysqld ...
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1answer
537 views

how to disable Hardware prefetcher in core i3/i7

Is there any way to disable the hardware prefetcher in Intel core i3 /i7 ? Although I have posted related question in stackoverflow, but no solution till now. ...
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425 views

UNIX script to LPAD update query in cat file

I want script which will open the text file data and write update query to those file and save in SQL file which will get executed through cron. I have prepared command but its writing the update ...
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474 views

Audio Playing too fast on Ubuntu

I did a total reset of my netbook (Asus eee pc 1201ha) and I installed Lubuntu 13.10. The matter is that, whatever player I use, my music files are always played too fast. How can I fix it?
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2k views

How to get memory speed when dmidecode says “Speed: Unknown” and lshw just hangs

I'd like to get memory speed information, but dmidecode -t memory says Speed: Unknown and lshw prints out string DMI and then does nothing until I kill it. Is there other way to get this information? ...
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2k views

How do I get the name of a network printer?

If I have the IP address of a network printer, how can I get its name using the command line? With the GUI tool system-config-printer the printer's name and IP address shows up in the list.
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52 views

Is there any way to remove the caption blurbs beneath each of the application name headings in the whisker menu in XFCE?

I feel it is unnecessary and too much text becomes distracting and disorientating for me.