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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500 error on fresh Apache setup on Fedora 23. One file loads, and the other doesn't

Alright, I'm finding this slightly bizarre. So, most of my experience with Apache has been on an Ubuntu server install. But after my server's harddrive experienced a catastrophic failure (which I ...
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19 views

How can I run Chrome on a Linux box with its GUI on a Windows box? [on hold]

I often have dozens of windows and hundreds of tabs open in Chrome. Even with an SSD, it slows to a crawl on my Windows 7 laptop when it gets to dozens of gigabytes in swap. It is also a pain every ...
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12 views

What does this XML block for CPU do?

I'm having trouble getting a CPU configured. The problem CPU configuration is shown below. However, I have a good configuration and I am trying to understand what it does so I can add pieces of it to ...
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0answers
15 views

What are these 'Ghost' files, visible over CIFS but not on the host machine?

I'm trying to restore a Perforce depot from a Linux based (Thecus) NAS but I'm getting different results when looking at the mount from the server vs logging into the NAS via SSH directly I'm at a ...
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1answer
23 views

unable to enable ssh1

First, let me begin by saying that I am aware that SSH1 is totally inferior to SSH2. Now, having said that... I am trying to enable SSH1 and am unable to do so. In /etc/ssh/sshd_config there's this ...
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19 views

Native Debian X32 Virtual Machine?

I'm trying to setup a native Debian X32 virtual machine. Note that X32 is different than X86 and X64. For details, see Difference between x86, x32, and x64 architectures? on Stack Overflow. Some other ...
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1answer
20 views

File Operations Using Symlink Source/Destination

I've created a set of symlinks which I can use in BASH with CDPATH: 'desk' which points to my desktop, and 'docs' which points to my documents. I can cd using these symlinks cd docs without problems, ...
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1answer
17 views

Alias command from terminal that opens a new terminal on a specific folder

I have this command already working in my .bash_profile: alias mysite='cd /Applications/sites/mysite;pwd; php artisan serve --port=9000 | open http://localhost:9000 | open -a Finder ./' So it: ...
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0answers
11 views

Why doesn't cronjob execute feh command

I build a cronjob to download a new picture from a source every ten minutes and set it as wallpaper using feh. The file is downloaded but the wallpaper doesn't change. Where is the problem? crontab -e ...
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1answer
14 views

create an alias to rsync local directory with a remote server - is it bad practice?

disclaimer: I am no superuser. question: I find myself writing out this beast every time I want to sync up my server with my dev directories on my machine: rsync -chavzP --stats user@host:/remote/ ...
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1answer
16 views

doubleboot uuntu/win10: GRUB not recognising the correct win10 partition

I have a windows10 ubuntu doubleboot on lenovo t450s thinkpad, and when the GRUB menu appears, I only have an option to load from Windows recovery partition, which upon selection, comes up with error ...
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15 views

pulseaudio/bluetooth - systemwide mode issues

The target is to use a RaspberryPi B+ with a bluetooth dongle as a bluetooth a2dp audio sink. Since this system is old and has only one purpose of being the sound sink, I run pulseaudio in system ...
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22 views

How to solve Kernel discrepancy

I am running Centos 7, when I tried to upgrade the kernel or check the version it shows me an older version running. Yet it seems the newer one is in place and installed. Any idea how to fix this ...
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1answer
28 views

Debian 8 hangs when plugging in USB HDD

When I try to connect my SATA HDD via USB to my laptop running Debian 8, the system hangs, responds extremely slowly and running ls /dev | grep sd* shows entries ranging from sdc1 to sdc99 that are ...
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1answer
41 views

How do I image a external disk with a linux install and restore it to a smaller external disk [closed]

I have a bootable 1T external USB disk but only have a Linux OS and few other things on it. It is only used about 50GB. I have another 500GB external USB disk. I am thinking transfer the state of the ...
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0answers
21 views

Using Wine for only one game? How to avoid malware?

I would like to avoid being able to run Windows malware with Wine. I have Xubuntu 14.04 and when I install Wine it automatically associates filetypes .exe... etc with Wine so it is pretty easy to get ...
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0answers
41 views

Why image is blurrier in Windows than in Linux (Ubuntu)?

While viewing an image on Facebook using Google Chrome, I was very surprised to notice (indeed, I noticed it while viewing it) that it better (sharper) on Linux than on Windows, which you can see ...
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18 views

How does Windows 10 stand up to being relocated?

I'd like to rearrange how my hard drive is laid out, and I'd like to take my Windows 10 partition and put it's own separate, smaller drive. If I'm using grub to boot, can I just run update-grub and ...
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14 views

Unable to open android studio IDE on Linux mint

This is the problem: # A fatal error has been detected by the Java Runtime Environment: # # SIGILL (0x4) at pc=0x00007f4c71aa89e7, pid=2765, tid=139964951590656 # # JRE version: Java(TM) SE Runtime ...
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21 views

What is Other Execute on Linux and How Do I Fix This To Allow Windows to Hide/Unhide Files on An NTFS Samba Share (All Files Are Stuck Hidden)

I've made a Samba share of an NTFS drive and I access the NAS from Windows. However, I can't hide any files through Windows by accessing properties and checking hidden. I then learned that if I add ...
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0answers
25 views

Mobile phone which would support ANY Linux distribution [closed]

Do smartphones which would be able to run any Linux distribution exist? I am not talking about emulators, simulators or phones which just support Ubuntu Touch or some Android/Linux modification - I am ...
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1answer
15 views

Linux ACL for students test submission, Create, Append, Delete but not Read for others

There should be a TO Folder on a Samba-Share, where everybody is allowed to create files, edit and delete them. But one user should not be allowed to read the files others have created. The main idea ...
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0answers
8 views

Missing AESNI, RDRAND and RDSEED capabilities?

I've got a machine with a Core-i5 5200U. Its a 5th generation processor, so it has AESNI, RDRAND and RDSEED. Its the reason I bought the machine. The machine is running Ubuntu Server 14.04.03. Ubuntu ...
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27 views

Create a remote session able to use a screen larger than allowed by remote hardware

I am trying to use an ubuntu 14.10 laptop with a large screen (2 monitors actually) which size is way larger than its graphics card limits. So I thought to use it via LAN (1Gb/s): with "ssh -X ..." ...
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14 views

How to listen for system level services in user level instance of systemd

Is there a way to use WantedBy, Requires, etc from a user level systemd instance to a system level systemd unit? I'd like to add WantedBy=<system_level_target>.target in my user level instance. ...
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2answers
37 views

How to know which 802.11 standard is used by a router

Is there a command that can help me get the 802.11 standard used by a router. PS : My OS is Linux (Ubuntu).
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1answer
19 views

How to create virtual block devices from file? [duplicate]

Let's have unknown disk drive uncompressed raw image (created for example by dd if=/dev/sda of=image) in single file. If we knew the disk layout, we could mount particular partitions from the file as ...
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1answer
34 views

Boot 32bit UEFI from file

I have linux on usb(32bit x86) and two PCs, one an laptop 64x uefi boots fine. one tablet having 64bit processor but 32bit uefi-bios do not boot. The second one has no option for legacy boot, but ...
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20 views

Iwlwifi drivers not found while Kali Linux Installation

I am trying to make dual boot of Windows 8.1(already installed) and Linux Kali. I found file missing iwlwifi.ucode. Insert a removable media to install. I skipped the step. After installation while ...
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1answer
9 views

Wicd+wpa_supplicant how to: NOT use certificates (PEAP+MSCHAP)? Enable logging?

I'm using Debian 8 (Jessie) with LDXE, Wicd, and wpa_supplicant, to try to connect to my work's WiFi network. The network uses PEAP and MSCHAP, but it does not use certificates. When I leave the ...
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15 views

Does Windows have a longer shutdown time than Unix-like operating systems, and why? [duplicate]

I've tested many different operating systems on the same machine. Windows 7, 8, 8.1, OS X, Ubuntu, Linux Mint, Android x86, and Remix OS. All the Unix-like/based operating systems had in common a ...
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1answer
36 views

How to disable GtkFileChooserDialog search?

If I want to open or save a file in an gtk3 app (eg firefox) I get an unwanted search function after tiping a character. Old and productive behaviour: typing d gives me the first file beginning with ...
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4answers
63 views

Linux - “grep” from certain lines to the end of file

I have a text file similar to this: line 1 line 2A line 3 line 4A line 5 I want to "grep" from "line 2A" to the end of file, something like this cat file.txt|some_grep "line 2A" Also, I want to ...
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0answers
13 views

Logging diagnostics over usb [on hold]

I have a robot run off an embedded Linux computer (specifically the NI-roboRIO) and I want to create a system for displaying diagnostics. What I would like is to have my code write to a dev file, ...
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22 views

Ethernet Unidentified Network (Windows 8.1) after linux Installation

the title says it all. but i'd like to add some detail about this error.im dual booting windows 8.1 and fedora 23 yesterday. in linux all of my network adapter is working perfectly fine but, after i ...
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15 views

Moving partitions with YaST Expert Partitioner: “already created on disk and cannot be moved”

I am currently trying to use the YaST partitioner tool (on openSUSE 13.2 under VirtualBox) to move the Linux swap partition on a VirtualBox virtual disk image. Upon trying to move any given partition ...
0
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1answer
13 views

How do I use ENV{SYSTEMD_USER_WANTS}= in udev rule?

I want to set up a docked.target in my user level systemd. The idea is to run some services to configure my external displays. I currently have this as my rule: SUBSYSTEM=="usb", ACTION=="add", ...
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10 views

Is it possible to automatically compile a LaTeX document through terminal using TeXworks?

I want to create an alias to automatically compile the main .tex file of a big document in LaTeX under Debian Wheezy. That means I need a shell command to do so. Is this possible? I am currently ...
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27 views

Why won't `date` accept it's own default output?

On my system right now by default date outputs: $ date Fri 29 Jan 22:04:26 GMT 2016 However if I try to feed dates of this format back into date it results in "invalid date": $ date -d "$(date)" ...
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2answers
25 views

Tracking Bandwidth & Latency in Linux [on hold]

I'm trying to write a simple script that can detect dips in network traffic (both bandwidth and latency in both directions) between 2 arbitrary hosts in my network over time. Is there a tool to do ...
0
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1answer
15 views

How to convert /etc/interfaces settings into udev rules?

I'm trying to set up a bridged networking interface for kvm/libvirt. I'm having trouble doing so because the tutorials are written for non-udev systems using configuration files like /etc/interfaces. ...
0
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1answer
32 views

500GB SSD + 500GB HDD in caddy with bios that detects only 750GB, what would happen?

I just got a new 500GB SSD and caddy. I will be installing the SSD as the main disk for my OS and working files and install the HDD within a caddy in place of the optical drive. I am not exactly sure ...
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3answers
55 views

How to download a file from URL in Linux

Usually one would download a file with a URL ending in the file extension. To download Ubuntu ISO, one would simple wget http://releases.ubuntu.com/14.04.3/ubuntu-14.04.3-desktop-amd64.iso ...
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1answer
20 views

Is there a way to detect the current workspace in a command line on linux?

I need a command on linux (my window manager is fluxbox) that gives the current workspace as output (if possible, a simple output, as i need this information for a python script). I checked fluxbox's ...
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27 views

Centos warewulf cluster with openmpi

I have setup a warewulf cluster on centos 7 and i have installed openmpi-x86_64-1.10.0-10.el7, additionally i also installed mpich. Wen i run mpirun with openmpi it results in the error below, the ...
0
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1answer
15 views

What is the purpose of the /run/shm directory?

Shared Memory is created using shmget(2) and not with filesystem operations. So what is the specific purpose of /run/shm as opposed to that of /run ? Neither the Filesystem Hierarchy Standard FHS ...
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32 views

NSCA “cache” directory /nagios/var/spool/checkresults

I've inherited an old nagios 3 environment with NSCA implemented on CENT 5. It is integrated into my companies datacenter software so much that we now cannot upgrade it. We are building a new ...
0
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1answer
14 views

Remotely running malware detection on a *unix server

I've used Linux Malware Detect in the past and it's very efficient and useful, however to run the installation shell script access to the root directory is required. As a result, when I'm on many ...
0
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1answer
17 views

trying to concatenate commands to give a file path

I'm trying to concatenate several commands to give a file path. I need to run this: ls -l /proc/{PID}/fd/{FILE_NAME} I can get the PID by running: lsof | grep 'mysql\(.*\)deleted' | awk { print $2 ...
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1answer
20 views

CUDA program ignores CUDA_VISIBLE_DEVICES variable?

I'm using CUDA 7.5 on a machine with Ubuntu Server 14.04 and 3 GPUs: 2x Tesla K20C and 1x GeForce GT 630. I've tried to set the CUDA_VISIBLE_DEVICES to the according IDs so that the code only runs on ...