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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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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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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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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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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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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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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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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9 views

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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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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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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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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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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16 views

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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1answer
20 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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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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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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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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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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7 views

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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9 views

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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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 ...
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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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8 views

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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17 views

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 ...
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10 views

Which tools can perform cross platform external disk encryption? [on hold]

With TrueCrypt headed out the door, which cross platform tools can one use to transparently encrypt a partition on an external disk? Personally I'm looking for both OS X and Linux support though I ...
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1answer
25 views

GRUB Bootloader not loading

I had 2 partitions Partition 1 - Ubuntu Partition 2 - Empty So I installed Windows 8 on 'Partition 2' and now I can't load the Ubuntu OS as it directly loads Windows. How do I get back the Grub ...
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12 views

UDP traceroute delay?

We are seeing timeout packages when running traceroute command between two Linux systems on a private network. However, we do not see such symptoms using TCP or ICMP over traceroute. This is a private ...
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28 views

GCC internal compiler error (segmentation fault in cc1plus) under multiple distributions

I'm trying to compile a software and every time I get this error: c++: internal compiler error: Segmentation fault (program cc1plus) Please submit a full bug report, with preprocessed source if ...
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1answer
21 views

Laggy SSH sessions on local network

I have two machines: Windows 7 connected by ethernet to a router NixOS laptop, connected wirelessly to same router My issue is that sshing from Windows to NixOS is extremely laggy. If I ping NixOS ...
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3answers
27 views

Implementing multiple PCs in one work station

is there a way to use to multiple PCs as a single workstation? My current setup is a laptop+dock+dual monitors running Win7pro, a Desktop running Vista Business (which has its own keyboard, monitor ...
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7 views

How to get headset plugged by default in pulseaudio

Whenever I plug my usb headset pulseaudio, detected as "unplugged", it's not a critical issue, but it's annoying have to enable by hand. So how can I make for headset automatically is detected ...
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1answer
14 views

Add disk to (and increase size of) bitnami owncloud storage

I am using bitnami owncloud in a virtualbox environment and the installation is on a 2 TB disk. I would like to add another disk (1 TB) and have the actual storage of owncloud files on the secondary ...
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1answer
21 views

Insert sound into an mp3 track

I'm looking for a way to insert a custom sound at a given second into an MP3 track. I'd like to be able to do this without GUI tools so I can invoke it from a bash script, and I'd like this sound to ...
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No Southbridge IOAPIC fedora 21 workstation live USB

I get the follow errors when I try to boot with a Fedora workstation 21 live USB on my computer: [ 0.175275] [Firmware Bug]: AMD-Vi: IOAPIC[7] not in IVRS table [ 0.175279] [Firmware Bug]: ...
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6 views

Window manager e17 starts at different resolution

I have installed Bodhi 2.4 on an old system. After the installation the resolution was automatically set to 800x600. I used xrandr -s 1024x768 to change the resolution. But now the window manager ...
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1answer
6 views

Force remove package with dpkg despite errors

I think this is Ubuntu Vivid specific as none of the existing solutions helps: Can I get dpkg to ignore an error returned from a post-installation script? Unable to remove package on Debian 7 All ...
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Ubuntu Vivid, Missing vmlinuz from /boot

This might be an Ubuntu Vivid specific question as I haven't meet it before. In my new Ubuntu Vivid, the VmLinuz Boot Image /boot/vmlinuz* is not found and I can't generate it. Answer from ...
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File Allocation for VM

I'm running Kali Linux as a virtual machine inside Oracle's Virtualbox. I've allocated 40GB of hard drive space, file type: VirtualBox Disk Image; Dynamicallly Allocated. On the VM it is showing the ...
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1answer
24 views

Editing .conf files

My question is this: How do you know how to edit a .conf file? I recently had to edit Apache server configuration files and would have been completely lost had it not been for Google. How do you know ...
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Put VPN at the bottom of ip route in linux

Ok so here is my ip route before I connect to my VPN default via 10.0.1.1 dev em1 10.0.1.0/24 dev em1 proto kernel scope link src 10.0.1.254 10.0.1.0/24 dev em2 proto kernel scope link src ...
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2answers
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Private ip dhcp for pxe boot

Sorry this might be a stupid question as I don't know the exact term to google. But this question has been in my mind for a while. Let's assume machine A is the isc-dhcpd server with two interface. ...
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Ubuntu 14.10 Shutting Down on Lockscreen When Idle

I have a clean install of Ubuntu 14.10 on an HP z440 workstation. I have the problem that when I lock the computer and leave for at least an hour the machine shuts off. I have to restart the ...
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Ubuntu Upgrade Fail, Can not install/remove/purge USB Device are not detected too

I recently Upgraded my Ubuntu 12.02 to 14.10 and now I can not remove or install or even any USB Devices are also not detected. I get following error on install/remove I tried adding new user and see, ...
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1answer
30 views

Does only BIOS define how F1-12 and media keys behave?

I use a Lenovo ThinkPad E430 laptop running linux mint. By default the media keys work without the Fn key and the F1-12 work like Fn+F1-12. I inverted them in BIOS, so I don't have to press the Fn ...
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1answer
39 views

Remote control PC with email or message system [on hold]

I currently control my server via SSH from my phone. There are times when the internet connection is sporadic or troublesome, or sometimes I have less urgent query and don't want to go the whole hog ...
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Setting Environment Variables on Mac OS X

I'm new to using Mac OS X. From my understanding, it uses Linux under the covers. I have a need to add an environment variable. Currently, whenever I start a terminal window, I've been executing ...
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3answers
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Installing Red Hat based OS on mbr disk

I currently have installed Windows XP and Linux Mint 17 on my laptop. My disk is MBR type because of Windows XP. I have installed linux mint without any problems, but now I am trying to install Red ...