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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Forwarding traffic on Linux virtual machine received through GRE tunnel connected over OpenVPN

I'm trying to route traffic destined for the public Internet through an OpenVPN network, where the traffic will exit the VPN through another client on the network (that happens to be a VirtualBox VM). ...
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63 views

Transferring large file to/from USB drive causes system to hang until transfer is done

I have a box running Ubuntu 16.04 server. It has an internal SATA hard drive with the OS on it, and an attached USB 3 hard drive which I use for storage of large/long term files. A lot of times, this ...
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38 views

tomtom multisport gps watch [https://github.com/ryanbinns/ttwatch]

I have installed the library from here: https://github.com/ryanbinns/ttwatch Following the "Setup for unprivileged access", its installed and running from the command line without error, I have ...
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19 views

How to eliminate a whirring noise in Linux Yocto?

I am working with an Intel Edison board that has Linux Yocto. I have this issue of whirring noise when I try to record voice with a microphone. My microphone works fine with Windows. I tried to search ...
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16 views

xmonad: focus window when mouse is moved

In my xmonad config, I have set focusFollowsMouse=true so that a window is focused when the mouse pointer is moved onto it. However, I would also like a window to become focused when the mouse pointer ...
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19 views

fstab drive auto-mounted to wrong (non-existent) dev

I ran into a curious problem today. ls /media/Personal would yield ls: reading directory .: Input/output error According to mount, that folder was mounted from /dev/sdb1 Yet according to blkid, I ...
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53 views

How to generate soft lockup in Linux Kernel and how to verify?

I was testing soft lockup recovery procedure of Linux Kernel. I set /proc/sys/kernel/softlockup_panic to 1. And I created a Kernel module as described in the link below. https://github.com/saiyamd/...
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83 views

Cloned CentOS not booting up

I recently cloned a CentOS6 environment from 1TB HDD and intended to restore its image to a 4 TB space. I used Clonezilla for this. The clone went successful, but after that when I tried to restore ...
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238 views

Can't access Linux Samba share from OSX

I have a samba share in an arch linux server, that I cannot access from OSX, but I can access it normally from any Windows machine. When I try to access it from the terminal (from OSX) with the ...
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124 views

Youtube-DL: How to strip video information/description when converting audiofile to MP3?

This might be picky, but when I use Youtube-DL to convert audio from a video to MP3, I let it also tag the title and embed the thumbnail from the video. Somehow it adds the video description and some ...
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25 views

How to show same panel on every monitor in KDE 5?

I'm using KDE 5.4.3 shipped with Debian GNU/Linux stretch/sid. I want to show a same panel on every monitor, but I didn't find the option. I have been using Ubuntu Unity desktop environment for a ...
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45 views

How can I delete a file from /tmp, as a regular user?

You are logged in as a regular user and working directory /tmp/. How, using two commands, you can delete the file labul.txt, which is owned by root? This is a task that my friend was given by the ...
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49 views

Adjust linux disk flush intervals to avoid blocking user processes

I'm downloading files on a sd card mounted on a raspberry pi using rtorrent, at around 6MB/s (bandwidth cap). The user process doesn't flush the data itself, and the interval at which the disk cache ...
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45 views

Redirecting display linux

from a sh shell, I am running a script calling a Software that requires opening a Gui. It ends up with a flashing window each time the call is run. I tried to unset the DISPLAY environment variable ...
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91 views

Decrease /boot size on Fedora 23

I have a problem with my /boot partition. It only has 200 MB which is insufficient - it is almost full. I have already unistalled old kernels (via dnf, keeping only the latest one) but there are ...
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71 views

How to protect Linux from Ransomware by detecting mass changes?

I wonder if it would be possible to stop running ransomware on a Linux system by detecting mass changes on files. Can watchdog or entr or inotifywait be used to detect bulk file changes and stop what ...
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52 views

Ubuntu 14.04, SSH very slow when not running Unity

I'm running Ubuntu 14.04. I have it so that it boots up into the text-based login. I will only be using SSH to gain access to the computer. When I logged in via SSH, all key presses take a long time ...
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46 views

How do I change the label of a raw device?

I would like to change the name of sda to Arch. How do I do that? I used e2label but it only works on filesystems and not on the raw disk. nishant@arch ~ % lsblk -o name,mountpoint,label,size,uuid ...
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275 views

How to start a systemd service after user login and stop it before user logout

I have a Fedora 23 Machine. I have a directory/file synchronizing bash script that synchronizes my local /home directory to a remote directory (in a NAS machine). I run it manually but I would like ...
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170 views

Linux stuck on boot up, windows bootloader overwritten

Ahoi. I recently installed debian on my windows 10 machine, and have essentially bumloved my entire machine, it seems. I installed Debian using the 8.3.0 DVD Image from the official site, and the ...
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85 views

How to load entire process memory from swap quickly (linux)?

I run a bunch of CPU-hungry processes in parallel, they normally use a few GB of memory each. From time to time they allocate large amount of memory too (say 150-250GB). Usually at most one of the ...
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35 views

Linux : Focus on terminal window is lost when calling feh image viewer

Once my desktop (Raspbian) is loaded, I have a script launched in a terminal window that loads a fullscreen image in feh image viewer. Then, my script waits for user entry through keyboard (barcode ...
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155 views

How to change the sink priority in PulseAudio?

I have multiple output sound devices at home and at work. Especially, I want to automatically play sound via external soundcard when it is connected. So, I need some kind of the sink priorities. ...
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103 views

Which X Window system is installed on my server that would work with Xming

I would like to use Xming to connect a server and managed to get it to work. I am now trying to get it to connect to a different server but i am not sure which X Window system is installed. I tried it ...
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45 views

Why would it be faster to hop SSH with pseudo-tty versus forwarding?

I have noticed that on my office's network, multi-hop SSH connections using the "pseudo-tty" method perform better (see last note) than using the "forwarding" method. Why would this be the case? In ...
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25 views

How can I pass content of Chrome internal page to a shell script?

I would like to be able to pass the content of this internal chrome page to a file "about:gpu" but I don't know how. All this with bash commands. I would appreciate your help
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59 views

Which hard drive is in better condition according to the tests performed?

I have two hard drives, both 500GB Samsung, but it catches my attention that when I test the disk performance, the graph of the results show a very different behavior ... What could this mean? Which ...
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136 views

MMC card reader slow on Linux

I have been searching in and out on google and the forum about the issue I am experiencing with Linux, with no luck so far. This is my system: System: Host: wally Kernel: 3.13.0-37-generic x86_64 ...
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132 views

Properly Restore Data Backup from Windows 7 in Linux (Mint)

I recently installed Linux Mint on my computer, dual booting with Windows 7. However, in the process I managed to corrupt my hard drive (trying to convert a "dynamic" Windows disk back to a "basic" ...
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232 views

Ridiculously slow read/write between two SSDs (Linux)

So I have a Kingston SSD (120Gb HyperX 3K; SH103S3/120G) that is about two years old and just picked up a new Kingston SSD (240GB SSDNow V300; SV300S37A/240G) to go along with it. I’m trying to ...
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135 views

Change charge_full_design value in Arch

I recently installed Arch and noticed that acpi was reporting the incorrect battery capacity value, here is the output: acpi -i Battery 0: Charging, 87%, 00:14:12 until charged Battery 0: design ...
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41 views

Debian 7 java Executable Flag Disappeared

I have an up to date Debian 7 server, also running Plesk 11. Yesterday exactly at the same time (2015-09-21 11:38:13 EET) the exec flag has been disappeared from all the java executables on the server....
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156 views

CentOS 7 Can ping but cannot browse

I have install CentOS 7, I unable to update unless I add the mirror list into my /etc/hosts. I can ping to what ever domain but cannot browse unless I put the address in my hosts file. The ping ...
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303 views

Reading Encrypted Files from Android microSD Card

My wife had a Samsung Galaxy S3 which she just traded in for a new phone. I would like to get some of the files off of the micro SD card if possible but it was encrypted. I have tried using ...
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177 views

Unable to bond two Wi-Fi adapters

I have two mobile Wi-Fi routers (with IP 192.168.0.1 and 192.168.1.1) and two usb Wi-Fi adapters and trying to bond them into failover connection. Using OpenSUSE 12.3 in YaST I've chosen Traditional ...
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116 views

Different used disk space with du and quota

If I run quota I get: Disk quotas for user XXXXXX (uid xxxx): Filesystem blocks quota limit grace files quota limit grace /dev/md2 1119132* 1048576 2097152 none 6 0 ...
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357 views

Elementary os freya installer does not recognize existing OS and partitions

I have tried to install Elementary os freya on my laptop but in the partioning step it shows me a blank disk drive: 750 gb on unallocated space. when I start gparted (still in elementary os live usb) ...
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94 views

How to access KDE's camera:/ from terminal?

KDE's device notifier detects my GoPro Hero camera correctly and allows me to access its contents in dolphin through the URI camera:/ Is there a way to access the camera also from the command line? ...
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846 views

logind.conf not working, closing lid will not suspend laptop

I am running Fedora 22 on a Dell Latitude E6230.  At some point I got a software patch that broke the laptop suspending when I close the lid.  It was working, and now it is not.  I am not sure what ...
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321 views

lvmcache — one cache pool for multiple origin LVs

I have a shiny new computer with a not-that-large SSD (120GB) and two gigantic spinning-rust HDs (3TB each). I want to partition it as follows: swap (~128GB), operating system (~128GB), and data (...
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42 views

How can I read out the value of internal counter inside IPSet

I know there is an option named “counters” when creating an IP set with IPSet. However, I want to know how to read the value of the counters out, so as to know how many packets or how much data has ...
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492 views

Beaglebone DHCP Server Assigns its Own IP Address

I'm trying to run a DHCP server on my Beaglebone Black (running Debian), and I want to give it a static IP address - 192.168.17.1 - but it keeps assigning itself its own different IP address - 192.168....
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175 views

GNU ddrescue imaging of failing hard drive is extremely slow

My friend has a (nearly full) failing 1 TB Western Digital My Passport. It will only occasionally mount on my MacBook, and refuses outright to mount on my Ubuntu box. I'm trying to use GNU ddrescue 1....
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464 views

How do I download an entire folder with aria2?

Aria2 is a great wget replacement, having a lot of features like multi-threading, split download,download resume, etc But having all this features and option can make it hard to do some specific ...
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677 views

No HDMI output on Debian 8 laptop

WHAT DOESN'T WORK: I'm running Debian 8 on a Dell M4800 laptop and I'm unable to get it to talk to a new external monitor via either HDMI or DisplayPort. The Debian 8 (Mate) Live USB also does not ...
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1k views

Nohup doesn't work when executing script from Jenkins

I have bash script which executes following nohup ws --port 8080 & when executing that script directly on remote server and closing connection - process still exists. But when i am using ...
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52 views

Making sure linux uses all my hardware correctly

I have a new decent computer coming my way in a week or so, and I have a few worries. I never had to care about installing Linux before as all my hardware was pretty low standard, but now I'll be ...
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52 views

Configure firewalld to distinguish home and public ethernet connection

I connect my notebook via ethernet at home and outside. I want to open some ports for services like samba only at home and not somewhere else. How can i let firewalld automatically detect where i am, ...
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87 views

“Open File” dialog box takes a long time to appear on all applications

On Ubuntu 14.04. While using KeepassX, I tried to open a database with the Ctrl+O shortcut, but it appeared to crash with a non-responsive window. I then noticed the same behavior with Firefox, gedit,...
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170 views

clipboard between osx and linux over ssh

My dream: From my osx machine I ssh to a linux machine and can copy paste with a commandline application like xclip or pbcopy, and then be able to use it on my host machine. Example input (mac)$ ...