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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Disable only one internal speaker, but not the corresponding headphone - Linux

Is there a way that I can have sound on both speakers if I plug in headphones but only on the right (internal) speaker if I don't plug in anything? I'm using Debian 7 on a dell xps m1530 machine ...
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Do threads/processes that create/delete files/directories under a shared parent dir interfere?

I was wondering: If I have a directory /a/b/c/ and under c X threads create subdirectories and files and delete them (they are temporary directories and files as intermediate steps of processing) do ...
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2answers
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Links SSL Error

What version of links does the user called "bytepool" have that he's able to find this workaround? Refer to link below. How to tell `links` to ignore expired SSL certificate and proceed? He writes ...
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1answer
25 views

Format terminal output to show apt-get upgrade errors in RED

I have a VERY simple bash script written for my Kali Linux distro so I don't have to run apt-get update, apt-get upgrade, apt-get dist-upgrade, apt-get autoclean, and apt-get autoremove every time I ...
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8answers
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Why is -r recursive necessary when copying a directory in Linux?

My question is why is it required to use the -r (recursive) flag when making a copy of a directory? I.e., why do this: $ cp -r dir1 copyDir1 When would I not want this behavior when copying a ...
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1answer
23 views

Ubuntu partition deleted and cannot boot

I accidentally deleted my Ubuntu 14.04LTS partition lately (with Arconis Disk Director under Windows 7), now I cannot boot either into Ubuntu or Windows. After I start my computer, I will be brought ...
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0answers
9 views

Authenticating svn+ssh commits from Windows 7 with kerberos token

I am developing on a Windows 7 machine and need to commit my visual studio 2010 projects into the primary repository here at work. I installed AnkhSVN, set it up as my plugin choice for VS, and ...
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2answers
21 views

How is by-id created on Linux?

Sticking a USB-microcontroller on the port (similar to Arduino) creates these two files: /dev/serial/by-id/usb-MBED_MBED_CMSIS-DAP_10105a42e87da33c103dccfb6bc235360a97-if01 ...
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1answer
18 views

`mv` creates a hard link instead of move or rename file or directory

I'm experiencing very weird issue with moving and renaming directories and files using mv I have never experienced before. The weirdest thing is that it's happening on Ubuntu as well as on Cygwin on ...
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1answer
21 views

Extract Contents of .img with unknown filesystem

I have an image file: kali-linux-1.0.9a-armhf.img. It's an image of Kali Linux ARMH build. I am trying to extract the contents of the image, but to no avail. I have tried to mount the image, but I ...
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2answers
41 views

Linux Multiboot + Nvidia GPU

The other day, I was trying to multiboot Windows 8, Xubuntu and just plain old Ubuntu, when I ran into a problem. I use an EVGA 750 TI SC, and I think Linux doesn't support Nvidia drivers out of the ...
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1answer
31 views

Is it possible to mirror a network port to evade blocked ports?

I run a samba server on my dedicated linux machine, but my ISP blocks port 445. I just changed the host port to 5601, which works good for me, as I'm mounting it via fstab on linux. However I also ...
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0answers
6 views

Why does rsnapshot's sync/sync_first command backup ALL my files everytime?

I'm trying to get rsnapshot working for remote backups (via ssh). I have a working configuration and I can perform all my backups. In my conf I have enabled sync_first=1. As I understand it, this ...
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0answers
30 views

Windows partition not appearing when I try install Linux Mint

I have a ~500gb hard drive that I intend to split 50/50 for Windows 10 and Linux Mint 17. The Windows partition is 232GB and the Linux partition is, at the moment, uncreated. When I run Mint off my ...
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1answer
68 views

linux-headers-3.16.0-4-amd64 vs. linux-headers-3.16-3-amd64

"uname -a" returns 3.16-3-amd64 as my kernel version but I could install 3.16.0-4 via synaptic. Are these two same? OS: Debian Jessie
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3answers
59 views

How to block network traffic on ubuntu gateway via arp table

I have a network with 80 PC and a ubuntu 12.04 as GW. For security reason I want to limit the Computers connected on this network using an ARP precompiled table. In other words I want a tool that ...
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0answers
20 views

Windows USB Tool and Unetbootin never detects external hard drive

I like to try out different Linux distro's and I don't like partitioning my main drive. I have plenty of actual hard drives that I can use for that (I like one OS per drive). Anyway, I'm trying to ...
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1answer
62 views

using Virtual box VDI as usb stick

I have ubuntu installed on a virtual box , I installed a software named XYZ on it, Now I want to make this VDI file burn on a USB so I can install it on any PC, is this possible? my main goal is that ...
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1answer
33 views

Hard drive partitioning failed. Now motherboard doesn't post with it

So I have a hard drive with 3 primary partitions. I had Debian installed on my first primary partition (system), second one was extended, and I created third one for windows. So I went on installing ...
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0answers
14 views

Restoring linux after wipe on chromebook?

So... complete Chromebook n00b here, just put my order in for a Toshiba CB2. I will probably be putting Linux on it pretty early on, but after reading warning after warning about the extra chroot bits ...
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0answers
13 views

does a scsi-host-scan affect mounted filesystems?

I have four disks attached to a virtual machine: sda - mounted sdb - mounted sdc - not in use sdd - mounted I can now hot-remove the disk /dev/sdc from the virtual machine, but the linux system ...
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0answers
13 views

How can I create a Submission folder inside a SAMBA share?

I have a Samba share running on CentOS 7. I am using ACL’s to control permissions for groups of users. I would like to be able to create a folder that a certain group has read/write/execute access to ...
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0answers
49 views

An application / program for SuperUser

I'm curious to know if there exists a program or an application for SuperUser website for the PC. I'm imagining something like outlook for my Gmail (my analogy may not be 100% correct). I do not want ...
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0answers
30 views

VLC Stream URL not working

When I try to open an URL on VLC it doesn't work. Here is the command I'm using: vlc youtube.com/watch?v=POCngEpkOLI VLC media player 2.0.3 Twoflower (revision 2.0.2-93-g77aa89e) [0x15960a8] main ...
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2answers
32 views

Image files do not show up on mounted SD card but are still visible via the camera

I am using Manjaro Linux on my Chromebook Pixel. My camera is Oly E-M5. I mount the SD card with the command sudo mount -t exfat /dev/sdc1 /media/sdcard The card seems to mount correctly, and I can ...
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0answers
25 views

gnutls tls client error : a TLS packet with unexpected length was received while reading a url on vlc linux

I use Kali linux 64bit and when I type the vlc command with a youtube link as an argument it shows me the error : "gnutls tls client error : a TLS packet with unexpected length was received while ...
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0answers
16 views

Execute Virtual Box Shared Folder Mount on Startup on Cent OS 7

I try to execute a mount command on startup in Cent OS 7. With FSTabs it did not work, so I tried the following: Creating the folder vbox-shared-folder-mount.service with the following content: ...
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4answers
115 views

How do I copy and write a partition table from one identical disk to another?

I've got several dozen Raspberry Pis that I use as part of a home lab experiment. I created an installation of Rasbian (the Pi-specific version of Debian) on one Pi, and I want to spread it to the ...
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1answer
21 views

Can I convert the font and SVG to base64 via offline OS X and Linux terminals?

I know how and I can convert the images to base64 via OS X and Linux terminals. But I'm not sure if I can convert the fonts and the SVGs to base64 via offline OS X and Linux terminals. I don't know ...
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0answers
31 views

Set up rtl8723bs SDIO card

I am trying to set up rtl8723bs SDIO wi-Fi card on 3.17.2 kernel. I've compile and install driver like here. grep -i cfg8 .config CONFIG_CFG80211=y # CONFIG_CFG80211_DEVELOPER_WARNINGS is ...
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0answers
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mysql open file limit issue [closed]

It is a little hard to explain but I have a WordPress site which runs really fast but every so many hours it is causing a large spike in system cpy utilization. User cpu is way down. Centos 6.5 ...
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0answers
33 views

Which file system best handles multiple, concurrent write sessions: GFS2, pNFS, FS-cache, XFS or OCFS2?

Which file system can handle more concurrent write sessions; let’s say 32 write sessions: GFS2 pNFS FS-cache XFS OCFS2 The file system has to handle 32 concurrent sessions with each session ...
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0answers
30 views

301 redirect DNS issues related to Nginx change

I think I screwed up something in my Nginx configuration. Here is how I can explain it: I own a domain lets call it abc.com Before all the issues happened DNS was configured in the following way at ...
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1answer
37 views

Is it possible to merge Windows Recycle bin and the Linux trash folder on a dual-boot?

Is it possible to merge Windows Recycle bin and the Linux trash folder? I have Windows 7 and Deepin, a Ubuntu based distribution, installed as a dual-boot on my machine. I am wondering if it possible ...
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0answers
14 views

OS under chroot retaining /boot from host OS

The system is Fedora 20. At to bottom of the posting is a list of the script to mount the chroot object directories. Below is a df list from the top level OS before chroot command. After the chroot ...
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0answers
35 views

How to run an application in linux just before poweroff and after linux shutdowned itself

I have a embedded system that needs to be power off itself after shutdown. To power off, the Linux should send a command via an i2c to another device to power off the Linux board. So to shutdown and ...
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0answers
16 views

Show terminal tab on Geany (running on win7)

I used to code on Geany on computer with linux OS. When you run Geany there are tabs on the bottom of the page : Statut, compiler, messages, notes, terminal. I installed Geany on Win7 and I can't show ...
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0answers
15 views

OpenSSL error: error:00000001:lib(0):func(0):reason(1)

can somebody help me understanding that error? I found: Whatever method you use to generate the certificate and key files, the Common Name value used > for the server and client certificates/keys ...
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1answer
21 views

openssh server not able to root login

I have root filesystem(compiled using Buildroot). I start openssh server by executing /usr/sbin/sshd. /usr/sbin/sshd uses /etc/sshd_config to configure itself . The parameters enabled in ...
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1answer
21 views

Filenames with illegal characters

I recently transferred a backup of my CD collection from a Windows server to a new NAS. When I mount it on my Linux desktop, I'm seeing a lot of directories and files where characters with accents and ...
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0answers
11 views

iptables Rules gets reseted after Reboot@Ubuntu Server

I made a entry in blockfacebook table to DROP 173.252.74.0/18. Now, I tried to remove it using iptables -D blockfacebook 8 (173.252.74.0 is in the 8th line) and then I viewed the iptables ...
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1answer
31 views

OpenNebula running a virtual machine fail

Hi I am trying run virtual machine with OpenNebula by this tutorial: http://docs.opennebula.org/4.8/design_and_installation/quick_starts/qs_centos7_kvm.html but when I want to instantiate a template, ...
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0answers
12 views

Access USB device from virtual machine (Windows 7 pro) while having host Linux (Debian 7)

I am a bit at loss to find where the problem could be. I have a computer running Debian Wheezy. I want to run a microcontroller debugger from within a virtual machine (VMPlayer 6.03). I am using a USB ...
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2answers
32 views

Need help on if test condition

Need your help on below script where I am testing if file found at location /log/TestFile* and id there is only one file then it will display "File successfully Found" else "note found". my second ...
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2answers
46 views

How to save Crontab edits?

I ran crontab -e and made some changes, now how do I save it?
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2answers
26 views

How to copy a url in linux using links?

I would like to know how to copy the current link "highlighted" in links. I know that if you press Ctrl + g it shows you the url but I don't know how to copy it to the terminal.
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0answers
8 views

No Volume Group found error.How to rebuild initrd in Red Hat 5.1?

Motherboard failed in one of the Red Hat Server. So, I moved the HDD to a new box. As If I boot the machine. This error shows up. After refering to many sites, they said about rebuilding initrd. So, ...
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2answers
41 views

Have Arch Linux, want slack, must keep both; no cd, no usb or money; can chroot, pre-partitioned: GPT

I have a laptop with Arch Linux on it [averagejoey2000@JoeyHobbyPCarchLinux arch-install-scripts]$ lsblk -l NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 596.2G 0 disk sda1 8:1 0 ...
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1answer
24 views

SSH config host match port

I have a server that has multiple "SSH daemons" running (actually Stash and OpenSSH), with different SSH keys needed for each. These daemons are listening on 2 different ports. In the SSH config on ...
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33 views

Is it possible to enable WiFi or Bluetooth before user logs into Linux?

Does anyone in the community know of a way to enable either Wifi or Bluetooth in Linux—or both; why not?—before a user logs in? I am trying to implement a mechanism that uses a second device to send ...