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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psmouse serio1: DualPoint TouchPad at isa0060/serio1/input0 lost synchronization, throwing 2 bytes

Recently I have had issue with my DELL Vostro 3750 laptop, the touchpad has eratic behavior. Looking at the dmesg output I can see: [175874.428170] psmouse serio1: DualPoint TouchPad at ...
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Can a filled up swap partition cause file locking issues on linux

I have a machine at home running elementary OS 0.2 with very little RAM, the swap is allways allmost full (I know, I know! I'll get around to upgrading the RAM as soon as I can! :) ) It has an ...
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4answers
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How to repair an SD card which shows incorrect size?

I've a Transcend SD card for 16 GB and am using it in my smartphone. One day I've discovered that the smartphone recognize it as 6 GB only. I've tried to find the solution to set the correct ...
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8answers
137k views

How to check which apache modules are enabled/installed?

which is the most elegant way to check which apache modules are enabled?
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4answers
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How to access a BitLocker-encrypted drive in Linux?

I have a laptop running Windows 7 Ultimate. I have encrypted my drives using BitLocker. Now I have also installed Lubuntu along with Windows. But my encrypted drives are not visible in Linux. How ...
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cups: Disable Compression on 1.7.5 for remote queues

I have a print server with Cups 1.5 on a Raspberry Pi. That print server announces the printers to my local network. My desktop runs Cups 1.7.5 and nicely sees the remote printer. However, when I ...
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2answers
2k views

rsync fails after server restart

Usually I use the command rsync -av --delete someroot/somedir user@remote_server_ip:/someroot/. on my development server to synchronize somedir to a remote server. It worked fine. But after the ...
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10 views

Ubuntu problems

I bought a hp pavilion p210tx laptop recently.I installed Ubuntu 14.04 LTS on my laptop.But its not working properly.I am facing many problems in my Ubuntu.First I got Wifi problem(to be ...
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7 views

Why does my java test suite hangs the entire system

When I'm running my test suite for a new java appliation it hangs, which by itself isn't that unusual considering it's under development. The problem is that that causes the entire system to almost ...
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0answers
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+100

Java Swing apps steal/don't release focus in KDE

Kubuntu 14.04 (64bit) with KDE 4.13.3, Java Oracle 1.7.0_80-b15 This problem first occured in 12.04 and persists. Java version does not affect the behaviour, i.e. the same happens with 1.6 to 1.8. ...
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0answers
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Choosing the OS platform for computation in GPU

There is a need of developing a complex computing application using some algorithms.So am thinking to choose a GPU from nvidia for this purpose.Am confused to choose the OS platform Android or ...
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1answer
21 views

Is it possible to delete directory when in the directory in shell

I have a directory which I run a program in. /usr/bin/my-dir I need to run the program from within the directory So I must go cd /usr/bin/my-dir ./my-program I have a script that from a ...
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Arch linux + cinnamon, touching touch screen clicks at touchpad cursor

I'm setting up a new Dell XPS 13 (2015), running Arch linux (I needed to wipe the basic ubuntu install in order to set up a fully encrypted disk) with cinnamon as my desktop environment. I have set ...
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0answers
12 views

What is the proper CPU usage of a process on LInux i.MX6?

I am currently developing an application running on Linux 3.10, for a Freescale i.MX6S (single core). Currently, "top" reports this: top - 03:07:35 up 1:58, 3 users, load average: 0.85, 1.10, ...
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1answer
32 views

Unable to connect to OpenVPN outside LAN

I've setup OpenVPN behind a router, and port forwarded 1194. The VPN is using the subnet 10.3.15.0/24 and has 192.168.1.14 on the LAN. It works when I'm connecting locally, or from my home network ...
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1answer
378 views

How can I find the gparted package in debian?

I recently upgraded my chromebook c710-2856's hard drive to a 250GB drive and flashed coreboot on it. I then proceeded to install debian wheezy with LXDE. I want to install gparted, and when I do: # ...
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11answers
104k views

PuTTY Network Error: Software caused connection abort

I have a strange problem: When I'm using PuTTY with SSH connecting to a Linux server hosted in VMware on my local Windows 7, I often get the error saying "Network error: Software caused ...
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0answers
28 views

Why don't Windows have a Virtual File System which supports Linux partitions? [on hold]

I was going through Linux Kernel Development By Robert Love. And I understood that VFS makes other file systems compatible with Linux and makes easy to interface with Linux and doesn't have to be ...
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2answers
8k views

Debian wheezy Xorg configuration fails, Debian don't boot

I have installed Debian Wheezy today. when i boot Debian wheezy when splash logo about to open, the screen blanks and system hangs, but Debian stable was booted without errors, but I changed init ...
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0answers
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How ubuntu achieves pinch & rotate with synaptics, if synaptics doesn't support it?

I've installed ubuntu while ago on my old netbook and pinching and rotation gestures were recognized out of the box. I was positively surprised. Then I changed distribution (and I'm very happy with ...
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0answers
11 views

Converting iso file to USB: problems with “dd”? [duplicate]

I'm a total total noob who is trying to download Linux Mint on a Mac OS X using a USB flash drive (8 GB). Here is the info I put into Terminal in order to convert the iso file to one I can put on the ...
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2answers
3k views

dd command to create bootable iso image of hard disk

Is it possible to use the dd command to create a bootable ISO image? I use the following command to do it: dd if=/dev/sda of=/mnt/sdb/my.iso I am able to create ISO, however I am not able to boot ...
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0answers
8 views

Remove a drive from a 2-drive RAID 5 array using version 1.2 metadata?

My situation is nearly identical to "How to remove a drive from a non-standard 2-drive RAID 5 array?", except my 2 TB RAID5 is using mdadm super block version 1.2. According to the best answer, ...
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7 views

Configure kernel for vmware - Linux guest support required?

I configure linux (Gentoo) kernel (4.0.1) for vmware workstation (64-bit) and not sure about whether Processor type and features ---> [ ] Linux guest support ---> [ ] Enable ...
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1answer
3k views

Two parts: linux startup script to connect to bluetooth and cron to keep it connected

I have a mini bluetooth keyboard and a Raspberry Pi running a Debian-based distro. I know the MAC address of the keyboard but for this question, let's just use AA:BB:CC:DD:EE:FF. Right now I have to ...
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3answers
155k views

What is the difference between i686 and x86_64?

I have an AMD Turion and do not know what to choose between these two versions to install Arch Linux. Thank you.
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22 views

Do virtual machines not allow all host CPU extensions?

For convenience's sake I'm trying to run an otherwise "regular" installation of Gentoo Linux as a guest inside VirtualBox on a Windows 7 host. I bootstrapped the installation by using VirtualBox, ...
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1answer
2k views

With Centos 7 as a Virtualbox guest on a Mac Host, how can I change the screen resolution of the console / command line?

I am using the minimum install of CentOS 7 with command line access only (no graphic support installed). After spending hours reading online about editing grub files, installing guest additions, and ...
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3answers
555 views

VMware null modem serial cable between virtual machines

Right now I am using some software to emulate a null modem serial cable on my Windows computer connected to itself. For development purposes I need to have a null modem connection to a linux computer ...
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2answers
861 views

Why are xterm colors different than gnome-terminal colors?

In my work environment I use xterm, and sometimes gnome-terminal. I like gnome terminal, but some of the colors are much harder to read than those of my xterm. I am wondering why the colors ...
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2answers
1k views

Ubuntu intrepid - static IP networking keeps restarting with DHCP

I've got a linux box with a static IP configured that seems to be ok. The static IP address works for a few hours, and then sets itself back with (what seems like) whatever DHCP tell it to use. ...
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Can't reconfigure Xorg

I made a common mistake of not reading the whole manual and installing Nvidia drivers. Now Xorg won't even start. I read that reconfiguring Xorg fixes that but it's not working for me. My system: ...
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bash behavior on sigterm

Have a script as below: #!/bin/bash # # run this script. don't run it if it's already running. # PIDFILE=/tmp/script.pid LOGFILE=script.log if [[ -f $PIDFILE ]]; then echo "$PIDFILE exists. ...
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How to know if the First Boot Device is the HDD?

I am working in a security check project(is an application that check the policy security of my university), and I need know things like if the first boot device is the HDD and if the BIOS is ...
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0answers
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Setting up Wi-Fi using USB adapter on Ubuntu 12.04

I have tried in vain to set up my Ubuntu 12.04 laptop as a Wi-Fi hotspot; it says Your wireless card does not support Access Point mode I had to resort to a USB Wi-Fi adapter, and I purchased ...
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0answers
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Software Launcher creation tool?

Sorry if this isn't a good place to ask it, I don't have a lot of experience on forums I was making a little bundle of my favorite portable software. I've found an installer thing and stuff, but the ...
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2answers
861 views

16 color terminal (console, no X) only shows 8 colors?

I've been using Arch Linux on my new laptop and I'm trying to configure it such that I don't have any need for a DE or X server -- I just want command line utilities and a VC (productivity and saving ...
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0answers
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How best to iron out disk I/O lag cause?

Running luksCrypt (which I know causes some lag esp. with my -c serpent-xts-plain64 -s 512 -h whirlpool setup) but as of late lag has become very much more noticeable. I use xfs and lvm on this ...
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usb0 network interface does not show up on Debian 8

I'm trying to get USB tethering to work between a Nexus 5 phone (running CM11) and my desktop running Debian 8. I connected the phone to the computer via USB and got these messages: [14972.580738] ...
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3answers
45 views

/etc/profile not being sourced at login

I'm having a bit of an issue: Neither of my /etc/profile or /etc/environment are getting sourced at login! i.e: After boot, the global variables I've got set in /etc/profile (and /etc/profile.d/*.sh ...
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1answer
32 views

System went read-only suddenly

My web server (Linux, Debian Wheezy) has suddenly gone read-only, MySQL have crashed (but Apache didn't) - giving errors when pressing tab to complete file name as: bash: cannot create temp file ...
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1answer
208 views

How to backup image files on MediaWiki 1.20.4 using dumpUploads.php

I have run this same backup command on previous versions of MediaWiki (on Centos 6.4) and it has worked successfully but now when running this command on MediaWiki 1.20.4 - [root@wiki images]# php ...
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2answers
29 views

Why I have /dev/ttyS* on Linux when my laptop have no serial/RS232/COM1 port?

I am running Debian Wheezy and my laptop does not have serial port. Why I have /dev/ttyS* and what will happen when I try to read/write to them? My config: └──> ll /dev/ttyS* crw-rw---T 1 root ...
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0answers
14 views

Raid0 recovery - failed mobo

Short story: motherboard died, need to recover data from 2 working HDD's in RAID0 Long story: My mobo died on a Dell Studio XPS 7100, I basically upgraded all the components and my pc is now up and ...
2
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1answer
95 views

bash- command does not work with php shell_exec

I want to execute following command on my Ubuntu server using php: android create project --target 8 --name $fname --path ./$fname --activity MainActivity --package $fpack 2>&1 The above ...
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2answers
6k views

linux migration/N high cpu consumption

on my linux appliance based on 3.0.0-14 kernel I got: RPN:/tmp# ps axuf | grep migration root 6 92.9 0.0 0 0 ? S Apr23 2788:33 \_ [migration/0] root 7 99.7 0.0 ...
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2answers
3k views

Slow internet using Arch Linux

After a week or so of using Arch Linux I cant access the Internet. It takes around 5 mins to load Google (most of the other websites just give me a timeout), pacman’s downloading speed range between ...
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How do i attach running lftp process

so i have lftp process running for days at a time on a centos machine. I read the lftp man pages and discovered the attach command. However when i call it with the respective process id from the lftp ...
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Docker container doesn't write in amazon EBS volume

In amazon EC2-instance (Amazon Linux AMI 2015.03.0 x86_64 HVM) I mounted EBS volume to /data directory. Now, I have a docker container that I (sudo) run with -v /data:/data. This container creates ...
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1answer
24 views

How can I run DirectX games on Linux?

I've tried using this tutorial on getting it working but when it tells me to enter a list of dll's from here but I only get a missing page. If I could either have that list or another completely ...