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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72 views

xrandr, xorg test screen error — default seems to be only valid mode

Running Arch Linux, kernel 4.2.5-1, Lightdm 1.16.5, xorg-server 1.17.4-2, nvidia 255.11-4, GTX 780 dual-link dvi out. I have a QNIX Evolution II 2710 and am attempting to overclock it but am running ...
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39 views

Grub-2 not booting Windows

I have openSuse 42 and Windows 8. After a clean installation that worked very well (even dealing with UEFI), I just noticed that windows does not boot. I took a picture of the error I get . This ...
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137 views

Reduce visual effects in KDE Plasma?

Problem We have a RHEL x64 machine with KDE Plasma 5+ and we don't want any fancy graphics or effects. We tried manually disabling the effects through the settings menu, but this has had little ...
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46 views

Bash script: change to a directory with special chars

I have a bash script that goes through my music collection and downloads missing covers. The problem I have is that I can't cd to some directories which has '&' '(' and other characters. The ...
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204 views

Is Plasma 5 supposed to be lighter than KDE4?

I think this could lead to subjective opinions, but I'm looking for a general idea on this question. Is Plasma 5 intended to be lighter than KDE4? Is Qt5 necessarily leading to faster and/or ...
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388 views

Grub not showing after installing Elementary OS alongside Windows 10 [UEFI]

I've tried to install elementary OS alongside Windows 10 in a UEFI machine. I first did it with Secure Boot enabled, using the "something more" option. I configured the root and swap partitions as I ...
2
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0answers
104 views

Limit the size of the disk driver cache on Linux

I am running some experiments for comparing storage systems under load in Linux. To this end I want to force the file system to access the disk itself without caching too much data on RAM. How can I ...
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229 views

How to match windows and linux mouse speed (with acceleration turned ON)

I have Ubuntu at work and Windows 7 at my home. Mouse speed on both OSes are very different so I feel very painful to adjust from one to another when I get to office in the morning and get back home ...
2
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150 views

Debian ARM and Brother MFCJ5320DW with CUPS

I am trying to use a Brother MFCJ5320DW printer with Debian ARM, which is similar to: Debian ARM and Brother DCP195C with CUPS http://unix.stackexchange.com/questions/191813/installing-brother-dcp-...
2
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133 views

systemd: Start service/script IMMEDIATELY after mount

On a system running Debian 8 with Systemd, I am trying to run a service immediately after /var is mounted. The custom service copies some essential files to /var, and it must be run before any other ...
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62 views

Copy files from Linux to Windows 3.11 using parallel port

How can I copy files from a Linux machine to one running Windows 3.11 or DOS 6.22 using the LPT (parallel) port? Do I need a cable with a special adapter? I know I had this working a long time ago to ...
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302 views

Dell E5450 - mSATA not found by BIOS but is by Linux Live CD

I have a Dell Latitude E5450 with a 128GB mSATA drive, which has been working fine for 3 months. I have the latest firmware for the BIOS (A10). I have Fedora 22 installed on this disk and have had ...
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68 views

Why does ConnMan report my MAC address as all zeros until I restart it?

ConnMan (Connection-Manager) reports my ethernet adapter's MAC address as 00:00:00:00:00:00. However, if I restart the ConnMan service using $ systemctl restart connman.service it subsequently ...
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65 views

Cups won't start. “Child exited with status 2!”

I have a NSA-325-v2 miniserver and I want to connect my local computers to the server to print. The connection itself works, I can ssh to the machine, use nfs to handle the file shares, etc. When I ...
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38 views

Typing “Ctrl+R” only lets me type a single character when I'm connected via SSH

I connect to my server via ssh (PuTTY). Type Ctrl+R at the console. Type a single character. I can cycle through the previous commands by pressing Ctrl+R more times. But if I type another character ...
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0answers
51 views

How to reduce I/O operations to a flash drive?

Background I often use different computers, and for that reason I like to aways keep with me a flash drive with my home directory, with my bash aliases and helpful functions, vimrc, Homebrew ...
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0answers
42 views

Replugging of one wired ethernet connection for three systems only working after a long wait

I'm living in a dorm house of more than 200 students and each room has one ethernet wall plug. On my laptop I'm running Ubuntu and I also have a dual boot PC running Win 8 and Manjaro Linux. I only ...
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526 views

How do I type the pipe symbol on a Swedish keyboard?

Being a Linux user, as most Linux users, I use the pipe symbol (|) daily. I'm currently sitting at a Swedish keyboard. There are three keys on the keyboard that (together with an orgy of four or five ...
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196 views

Automount Shared Folder in VirtualBox 5.0.2/VBoxManage Intern Procedure

First I wondered, that I found nothing to the topic. Maybe I’m not so good searching? However, following command creates a new Shared Folder in VBoxManage: .\VboxManage.exe sharedfolder add <...
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435 views

System doesn't detect hot-plugged display port(through thunderbolt connector)

My external display(connected to my laptop through thunderbolt) works fine if connected before boot-up. However, once it's unplugged or disconnected by any means, xrandr won't detect the reconnected ...
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37 views

Enabling readline?

I have an .inputrc file set up on a system that doesn't seem to be respecting it. If I bind the file (as per this post) or try to load it with C-x C-r, nothing happens - I still do not get any of the ...
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0answers
17 views

How to pick a different WiFi connection when one drops?

I have 2 WiFI connections available. Sometimes, the WiFi network disconnects, and when that happens, I'd like the system to automatically use the other connection. How can I do this? I'm using a ...
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0answers
281 views

Problems with postfix and sending mails

I have ran into problems while configuring my postfix for my CENTOS machine. Note:The mailserver itself should be localhost only and only be able to send mail internally. the following shows up when ...
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0answers
112 views

Unrecognized 2TB 2,5" HDD and floppy: error -5 while reading block 0 errors in Linux under VM Ware

I’ve recently bought a 2TB 2.5" external hard drive (Seagate Expansion Portable STBX2000401). I have a problem with this drive, Linux doesn’t recognize it (I am using VM Ware on Mac OS X). When I ...
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42 views

Synchronous replication between two NAS Business Storage and Ubuntu 12.04.3

My setup is I have two NAS setup. I can mount those NAS in a Linux Server (Ubuntu or Centos) and plan on writing on both NAS synchronously or replicate frmo one nas to the other one real-time. Anyone ...
2
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0answers
66 views

Precisely resizing master pane in xmonad

In the default layout in xmonad, I know I can resize windows horizontally with mod-l and mod-h but these actions resize by too much. I want to make very small adjustments to window sizes. I played ...
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155 views

SSH2 connection issues on Ubuntu 14.04 - it randomly works when it wants to

So I've been digging around for a solution and cannot find an answer for this. Setup: I am using Eclipse Mars (v4.5) running on Win7 with a Linaro ARM-Linux tool chain. Eclipse has a remote host setup ...
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0answers
59 views

SMB share authentication not working

i have problem with SMB share. I have 4 directories for users and one collective dir. I make accounts for users (Linux accounts and smb accounts). I could see directories in Nautilius but can't log in....
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0answers
25 views

Is there a way to open non-runnable files directly from CLI

Let's say I have file without execution permission. Now a quick way to open such a file over the CLI is to use xdg-open which uses the system default to open a specific file. Is it now possible to ...
2
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0answers
61 views

VMDK linux physical partition + windows

so since i just found out you can point a vmdk to a physical partition and virtualize, I want to try experimenting. The Plan: Windows 10 OS on own drive linux (likely ubuntu or mint) partition on ...
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37 views

Linux Ubuntu clears user data on each reboot

I have dev board (Freescale T2080rdb) with default Linux running on it from NOR. When I want to create new or modify any existing files (e.g. touch /home/root/foo.txt) next time on new boot, ...
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194 views

Arch Linux Boot Halts on “Started Authorization Manager.”

I was using Arch Linux on my laptop, and during the shutdown procedures there was something making it wait and during that time my laptop ran out of batteries. Now when I try to boot it halts. This ...
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0answers
96 views

Remap Super_R to control (Fedora 22)

I have verified that keycode 134 (0x86) is my Super_R key on my keyboard. But I would like to remap this to control. However, I've tried nearly every permutation. What am I doing wrong? user@...
2
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0answers
358 views

Capturing TS video stream gives Invalid timestamps and Invalid DTS error messages

I'm capturing a video stream using ffmpeg -i "http://streaming_url.com/playlist.m3u8" -acodec copy -vcodec copy -absf aac_adtstoasc "out_put_file.mp4". The m3u8-file links a list of .ts-files. ffmpeg ...
2
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792 views

Kali Linux Wireless MacBook Air (Early 2014)

I have an early 2014 13in. MacBook Air that I recently dual-booted Kali Linux onto. My problems is that the wifi will not work, and iwconfig returns only "lo". I have tried to install the broadcom ...
2
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0answers
144 views

dropbox keeps asking to login and link every reboot

It appears that on each reboot my dropbox forgets settings and wants to re-link the same device. I installed dropbox.py, which in turn installed ~/.dropbox-dist. I ran it successfully and "linked" ...
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73 views

Is there any solution for University User Login Authentication for Internet access?

To access internet in campus, students are given username and passwords. It's needed to authenticate for every 8 hours. If any download in process, then the download fails. Need to authenticate ...
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401 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 ...
2
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0answers
393 views

PCI passthrough KVM

I am trying to passthrough my Tesla K40m GPU accelerator to a qemu-kvm virtual machine via the VFIO driver on Ubuntu 14.04.2. I downloaded all drivers and CUDA libraries, and I compiled all sample ...
2
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237 views

Dual boot Win8/Linux on Asus Zenbook UX301 keeping intel imsm RAID0

I have Asus Zenbook UX301 with Win8 preinstalled. I would like to have a Linux installed in dual-boot configuration. However, Windows is using the notebook 2 SSDs as intel RAID0 (rom-based RAID, ...
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0answers
147 views

Restrict port access per application

I'm currently working on a platform that will allow other users to run their applications on my platform. Though, we need to be able to restrict this application in terms of RAM, CPU usage, network ...
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0answers
126 views

Prevent ARP spoofing in AP, “wl deauthenticate” command

I am in a situation where I cannot do MAC filtering in an AP and I need to block a user that is ARP spoofing the network. I am trying to use the command wl deauthenticate to kick the client. And I ...
2
votes
0answers
66 views

Unzip .gz file when line order is important

I am trying to unzip fastq.gz files and then analyze the sequencing data within them. However, later analysis is dependent on preservation of line (line 1 from zipped file must be line 1 in unzipped ...
2
votes
0answers
159 views

SCP - The authenticity of host can't be established (But cant enter anything at prompt)

In windows 7 command prompt I enter: scp -W Scp\password.txt -P 22 xxxx@xxxx.xxxx.com:/home/xxxx/xxxx/xxxxxxx.csv After this I get the message: Do you want to trust this new host key and ...
2
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0answers
590 views

Why does youtube/chrome randomly resume play on paused video?

I have observed for a while now that if I leave a youtube page with a paused video, sometimes that video will randomly unpause by itself over a certain length of time (in the order of a few hours). ...
2
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0answers
332 views

Something “kills” my Apache-PHP-Processes after some time

I have the following really strange problem and hope, you guys can help me out. If there are any questions, I'll try answer them as best as i can. The problem I have a web server with Debian 6.0, ...
2
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0answers
872 views

Winbind not enumerating users and groups of trusted domain

I'm using Samba 4.1.6-Ubuntu in Ubuntu 14.04, for authenticating users from two domains with a one-way cross-forest trust between them. Samba machine is joined to DOMAINA, while DOMAINB is the trusted ...
2
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0answers
171 views

ConsoleKit reports active/is-local only on the second+ login

Running KDE Frameworks 5, Plasma 5, using sddm as a display manager. ConsoleKit and PAM-linux are both installed. Upon login (using the sddm login screen), ck-list-sessions returns FALSE for both is-...
2
votes
0answers
123 views

custom GUI app in GNOME, desktop file & app menu

I made a custom QML app and a .desktop file for it: [Desktop Entry] Comment= Terminal=false Name=ProjectPad Exec=/home/emmanuel/home/projectpad/.cabal-sandbox/bin/projectpad Type=Application Icon=...
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0answers
205 views

udev rule script “xinput --list” differs in terminal versus log

I'm trying to automate a Huion tablet calibration without much success. I have this output from xinput --list in a normal terminal: ⎡ Virtual core pointer id=2 [master ...