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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Enter a Failed Docker Container with a Different Command

I have a fairly complicated docker container I'm attempting to build. As part of the build process I have I install Chef and have Chef install a number of cookbooks using Chef-Solo. I am having the ...
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148 views

If TPM owner password set in linux, how to enter owner password in windows to enable bitlocker?

I have successfully taken ownership of, and used various features of, my tpm in linux, using tpm_takeownership and related applications. Now when I try to enter the owner password in windows to ...
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337 views

How to automate running the dhclient for wwan0?

in Linux Mint 17 I have to run sudo dhclient every time I connect and disconnect to/from the Internet using a mobile broadband dongle, because otherwise the connection is declared active but when I ...
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189 views

Preferred/Idiomatic method to enable a systemd.service from a Debian package installation

I have a custom Debian package I've built for our software that creates a systemd service. What is the preferred/idiomatic way to have the installation of said package enable/start the service at ...
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162 views

Get command output from detached screen

I am running a detached screen session, and running a command into it with screen -x, like so: screen -S $SESSION -X <command> This works fine, though I would like to be able to catch the ...
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144 views

How to calculate size of a VERY large folder over FTP?

I have FTP access to a web-server which has a large folder (By large I mean ~200GB). How can I get number of files and it's exact size? I have tried 'du -hs' but it takes a life to receive a response ...
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126 views

OpenSuse 13.1 PPC64 Port - Slow boot with error messages, and low color-depth

I have a PowerMac G5 Dual 2.0 GHz, i have installed the PPC64 port of OpenSuse 13.1 on it, and i am experiencing a few problems. I guess thats the price of running a unsupported port/distribution. ...
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221 views

How to implement an integration for start and end of a call in Vicidial

I've developed most of the application in PHP for the integration (very similar to our Asterisk implementation) and all we need at this point is to run php async.php 12313123.12312 (shell command) (...
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798 views

Play sound *on* remote machine via ssh on Ubuntu / Linux

I want to play sound on a remote machine via SSH, without X11 involvement. Basically, after logging in via ssh, a command line like mpg123 test.mp3 should play the test.mp3 on this remote machine....
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48 views

What should happen next on init scripts?

I've been using a Linux Mint 13 live system on my memory stick and I decided to put it on my hard drive. It already had several scripts to uninstall software and optimize it, scripts that I had to ...
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763 views

Unable to mount location after installing Linux Mint

I have been using Ubuntu for a while, but I decided to move to Linux Mint. I removed everything and clearly installed it. After the installation there are two parts which are File System and Toshiba. ...
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350 views

How to diagnose dual channel memory / motherboard?

I have ASUS P7P55-M with 12GiB of memory, but it sees only half of it: dims@sagittarius-a:~$ cat /proc/meminfo | grep MemTotal MemTotal: 6102272 kB Simultaneously, it is visible from OS ...
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1k views

How to share Internet connection of VMWare guest with host in VMWare Player 10?

I am running a kali Linux using VMware Player 10 on a Windows 8.1 host AND i want to share my guest kali linux wireless internet with host Windows 8.1 How to do this?
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279 views

Interface can see ARP packets but can't see the ICMP echo requests

Moring SuperUsers, got my self into a pickle. I have to servers, os-net and vmhost3, connected together via a cross-over cable on their respective 10Gbps interfaces. Both servers are running Ubuntu ...
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52 views

Can't resume editor running as root

For years, when I have been working over an SSH connection, I will run sudo vi ... to edit a config file. If I need to do something on the command-line, I'll hit Ctrl+Z to suspend the editor, do ...
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42 views

how to keep a distributed software up to date on Linux machines

I have my own distributed software running on few RasPi (20+) in different geographical locations, but every time i change something in my app, i have to update the excuteble in all Pi's manually, ...
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65 views

no route to host: Is this associated with SSH or system network configuration?

Problem statement: Not able to ssh from pc1 to any other pc's mentioned below after adding the IP rules tried below System setup: I have a set of 4 machines connected to HUB. Their N/W config: ...
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558 views

/sbin/init exists but couldn't execute it

I'm building Linux from scratch. Currently I have the kernel, glibc and sysvinit. I've compiled everything myself following these instructions. Though my version of glibc is 2.19. Also, I use grub ...
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49 views

How to boot encrypted drive

i have a laptop installed with endpoint security disk encryption. I create a live usb to boot linux, but it doesn't work. Is there a way to boot a usb thumb drive from an encrypted disk? do i need to ...
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53 views

random fortune on business cards

I have a latex business card template I am using, and I want to have the first line(s) be a fortune from the fortune command in Linux. I have fortune installed. How can I have a different fortune on ...
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358 views

Why can't I suspend Ubuntu 14.04 (running from USB3) anymore?

I'm running Ubuntu 14.04 on an USB3.0 stick (Sandisk Extreme 64gb, both /root and /home are on it) as my portable development environment, mostly on an Asus N56VZ laptop. Recently, Ubuntu fails to ...
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58 views

Control-L to enter path in Gnome-shell save dialog

In Gnome, I used to be able to manually enter where I wanted to save a file from the save dialog by hitting Control-L. This would focus an editable text box above the file chooser. This appears to not ...
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64 views

Virtual filesystem on linux to translate contents (fuse?)

Is there some existing software to use a virtual filesystem to translate file contents? (read-only or read-write). It would be interesting to be able to generate a view on a code-base, for example. ...
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208 views

Weird IP in Linux Mint 17

I installed Linux Mint over a shared Ethernet connection from my laptop and installed my Broadcom Drivers over that shared ethernet connection, and I noticed that my Linux box is on the wrong gateway. ...
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303 views

Turn all workspaces into windows or split screen to show several workspaces at once

I recently installed Ubuntu 14.04 and I'm a long time Windows user, I was used to have a lot of windows open at the same time, I was told I could use workspaces in linux to replace the need for ...
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978 views

Linux tells me a serial port is in use, but it isn't

On CrunchBang linux (Debian variant), I have a COM port on ttyS0, which I'm trying to use with an NFC device. libnfc responded that it couldn't see any NFC devices, so I tried directly opening the COM ...
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832 views

Why is avahi-daemon excessively spamming my log files?

My VPS provider recently suspended my account for "participating in a DoS attack". Since I've naturally done no such thing, I can only assume it was a security breach, and am now investigating what ...
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125 views

How to monitor free space and automatically delete oldest files on Linux?

I have a software application that continually writes files to disk at high speed. Each file is modest in size (less than 10 MB or so), but they are created every 1-2 seconds underneath a specified ...
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1k views

SSH reverse proxy

I am setting up a Gitlab server (https://about.gitlab.com/) inside a virtual machine using KVM on a Ubuntu 14.04 host. My university charges us for every external IP address, so I cannot use bridged ...
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286 views

Debian shutdown takes a long time (RAID/crypt related)

I'm running Debian Jessie and recently my shutdown has been taking a long time. When I sudo shutdown -h now I'm sent to a blank screen except for a blinking cursor which sits for ~1 minute. It then ...
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184 views

Issues with file ownership after git push

I have a server at home running Ubuntu 13.10 configured as webserver and git repository. If I push my project from my system to the server a post-receive hook is executed that moves the files (...
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154 views

Multi-boot encrypted operating systems on EFI

I'm getting ready to "redo" my desktop computer, encrypting all of my partitions as I install the operating systems. I currently boot with EFI. I'm looking to install both Ubuntu 12.04 (really ...
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74 views

Detect vga signals from command line

Currently I am working on Ubuntu 12.10. I am using vga2usb device for interacting with other vga devices such as monitors. Is there any command line utility or any specific command from which I can ...
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81 views

Printer configurations on Linux: Providing privilege to normal users

I am on a CentOS machine. Everything is working fine, I can configure the printer with the GUI System->Administration->Printing. It asks for root password and then I can make the configurations. ...
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497 views

Should the CPU usage go up to 100% when swap happens on Linux

I had been running a demo system on Linux with the following kernel: 2.6.32-400.1.1.el5uek #1 SMP Mon Jun 25 20:25:08 EDT 2012 x86_64 x86_64 x86_64 GNU/Linux And as soon as swap happens, the CPU ...
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37 views

Best practise for debbuging hdd

I just logged onto my machine when suddenly ls gave me an Input/output error. After rebooting the machine /dev/sda1 could not be mounted. dmesg results in : [ 545.691453] EXT4-fs (sda): VFS: Can't ...
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227 views

LC_LOCALE settings interactions between Mac OSX and LINUX via SSH

I have been struggling with the following problem for years now. I have never been able to solve it, and I adopted several workarounds to keep being able to work. However now I can't stand it anymore, ...
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2k views

Forcing ext4lazyinit to finish its thing?

Is there any way to 'force' ext4lazyinit to finish the thing it does with maximum priority? Something like "I don't care about my system's ressources, just do your job as fast as you can"? I should ...
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79 views

What does dbconfig-common do? Should I use it?

For several packages, the installer asks you if you'd like to use 'dbconfig-common'. After some Googling, I can't really find (in plain old English) what the heck that package brings to the table, ...
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1k views

Debian Linux - “hcitool scan” does not find devices

I use free VMware player with Debian 7 image. I use Cambridge Silicone Radio Bluetooth USB adapter "hciconfig" shows me two interfaces (I don't know why two, and I don't know with which I should work)...
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0answers
438 views

My custom fish shell prompt keeps resetting every reboot

I switched to fish shell a month ago and I'm quite pleased with it. But recently, my custom prompt keeps resetting to the default prompt every time I turn on my PC. When opening the terminal, I'm ...
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510 views

NTP Multicast configuration

I'm trying to get NTP multicast set up between a few computers. Right now I'm getting NTP multicast packets from a computer that I have neither access to nor information on (let's call that A) that is ...
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0answers
240 views

Cannot boot NixOS Install CD

I am trying to install NixOS on an Acer laptop. When I try to boot off of the install CD, the system starts up and shows the Acer logo. Then, the boot menu of the CD appears, but it only displays on ...
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232 views

Ext4 allocation pattern with random writes in sparse file

If I create a large (a few GB) sparse file in ext4, and then write randomly throughout the length until all 4k blocks have been "touched", in the absence of other heavy write load, can I expect that ...
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603 views

using NFS over unreliable networks (wifi/mobile)

I have a NFS server at home (and an openvpn connection that only works outside of home). My phone (Jolla) is basically Linux, and has mobile data/wifi/usb network capability. Basically, I want to ...
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481 views

File transfer tools for linux with support of zero-copy transfer

Are there small and simple file transfer tools for Linux, which can use "zero-copy" style of transferring files from HDD (SSD) to tcp socket, and back? I want to often send huge amount of ...
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299 views

Behaviour of Caps-lock in Linux on VirtualBox, OSX Host

I'm running Ubuntu under virtualbox on a MacBook Pro and I'm trying to remap the Caps-Lock key to mod3 so I can use it as a replacement for the Alt key in Xmonad. I can remap the keysyms but the ...
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1k views

Fedora 20 - bootmgfw.efi' not found - GRUB2

I have a problem with the bootloader after the installation of Fedora 20. Today I've installed Fedora 20 overwritng Ubuntu 14.04 without experiencing trouble. When I rebooted the pc, I noticed that ...
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398 views

Redundancy: LVM+mdadm or LVM internal RAID

The task is to create LVM storage for virtual machine images. So LVM will be used in any case. There are two ways LVM providing redundancy: block mirroring lvcreate -m 1 --mirrorlog mirrored -n ...
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489 views

Linux Catalyst and three monitors

I just switched from opensource ATI driver to catalyst because I had many crashes on my Linux box when playing flash videos. It looks like with fglrx my system is more stable, but I lost my third ...