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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How to split files based on varying number of lines in Linux

I want to split a file into equal parts with the last file getting the left over records in Unix. For example: The file has 4 lines, I want to split into 4 files = awesome. 1 line per file. I have 5 ...
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1answer
10 views

Bridging IP missing for LXC (Linux Containers)

I am using LXC (Linux Containers) to host an http server within a VirtualBox setup, but the simple LXC specific bridge I created does not have an IP address, so it cannot be reached even in the Ubuntu ...
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7 views

Is there an application I can use in the linux terminal to add the forced flag to subtitles in MKVs that have the default flag?

Is there an application I can use in the linux terminal to add the forced flag to subtitles in MKVs that have the default flag? I have a headless linux server.
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Boot Debain with external monitor as primary display device

I have an old HP laptop with non-working display. So i decided to convert the laptop to a private server. I connected it to my TV and installed Debian 7.7. The installation was smooth with the display ...
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6 views

Stressing a machine

I want to calculate mean time to failure of a server. I am new to doing this, so I will tell ow I am gonna do that.(Server is an IBM ESXi Hypervisor - with some VMs in it) Install some stress ...
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11 views

How to change a program path/alias?

I'm not sure how it works on Linux, but you can type in program names such as ls, man, etc., in any directory and the programs are executed. I uninstalled an old version of ImageMagick and built the ...
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1answer
16 views

How write a .bin file to USB drive under Linux

How do I write a .bin-file to a USB drive on linux? The .bin-file contains a bootable drive. How can I achieve this under Ubuntu?
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8 views

How do I set the FTP home directory of a certain user to the “root folder” in Ubuntu?

I have Ubuntu 14 with vsftpd installed in a VirtualBox. I'm using FileZilla for the client. Basically what I want is the user to have access (rw) to all the "base" directory (bin, dev, home, var, ...
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7 views

Running Plone on Apache with WSGI instead of ProxyPass

I am looking for a beginner friendly documentation for using Plone 4.3.3 with WSGI. At the moment I am using simply ProxyPass, ProxyPassReverse, Balancer, and so on. Is there a step by step guide ...
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14 views

How to estimate available physical memory on Linux?

Several resources around the net (apologies for not having links handy) recommend to determine the total amount of available physical memory on a Linux system by the second value on the "-/+ ...
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4 views

Samba, winbind and AD authentication: username is invalid on this system

I am trying to set up a file server with Active Directory authentication using Samba and Winbind. Domain controller is Windows 2000 SP4 (don't judge). File server is Debian 7.7 (latest stable). This ...
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8 views

Nodejs remote debugging ports closed

I have a problem with nodejs remote debugging. I'm using centos on remote server and phpstorm on my PC. When I open putty I type the command: node --debug-brk=5858 main_server.js, and get the ...
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2answers
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Firefox cannot download certain files when set to ask where to save files

This does not happen with all files, just with some downloads that seem to have nothing special, like from launchpad or deviantart. The same files are downloaded if the setting is changed to download ...
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9 views

Installing Kali Linux 1.0.9 alongside windows 8.1(Read all the previous threads on superuser still confused how) [on hold]

So i want to install kali linux alongside windows 8.1(installed in legacy mode) but i got confused reading many other threads,so i want someone to link me to some tutorial or guide me through ...
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1answer
11 views

ubuntu use proxy for whole network traffic

How to set ubuntu to use a proxy (socks 5) for whole applications traffic? I tried proxychains, but it only works for one app, not whole system. Something like Proxifier on Windows.
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21 views

Online Drive Replacement: BTRFS with RAID 6

on a testing machine I installed four HDDs and they are configured as RAID6. For a test I removed one of the drives (/dev/sdk) while the volume was mounted and data was written to it. This worked ...
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1answer
11 views

Restore old mc exit directory behavior

I would like to have the OLD behavior of mc, when exiting meant that I will be at the directory where I was before I started mc. I'm only a user on the system, I suspect it's a Suse Linux. The which ...
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3answers
44 views

What's the security used in my school network

In my school we have to use the school computers to our homework. I like to work on my machine because I have all well configured (Vim, Firefox and I use Ubuntu instead of Windows ...etc). I use my ...
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How to properly change SSH ports in Microsoft Azure?

I have a virtual machine on Azure—for testing, not a production server—based on Ubuntu 14.04 LTS. The default SSH port 22 is opened by default. I want to change it to 12131. I edited my SSH ...
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6 views

btrfs device total usage differs from the sum of each usage

My system lays on a btrfs with 3 disks. btrfs fi show outputs: Label: none uuid: 75a8f1e7-7d79-4a05-8f88-fe02d119bf9f Total devices 3 FS bytes used 14.84GiB devid 1 size 7.74GiB used ...
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1answer
16 views

Strange bash error: “error importing function definition for `BASH_FUNC_module'”

Sample script: #!/usr/bin/env bash echo "abc" Output from Bash version 4.1.2(1)-release: $ ./a.bash bash: BASH_FUNC_module(): line 0: syntax error near unexpected token `)' bash: ...
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19 views

Looking for road traffic system [on hold]

I am looking for a software similar to an IRIS Traffic Management system. My company is collecting road traffic information from 3rd party. But we are not sure on how to process the road traffic ...
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1answer
18 views

How to set Vim inside Tmux as default system editor? (Linux)

At all times I have Tmux running, with Vim inside it. I want text files to be by default opened in that Vim instance, and not a new one. I presume I need to somehow change the default text editor as ...
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21 views

Close terminal if exit code is not 0 for command after login

For security, I'm trying to set up double authentication for a CentOS server. The way it works is you log into a user with SSH keys then once you log in it executes su to change to the root user, ...
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22 views

File names with illegal characters on NTFS drive

I have an external drive which is using NTFS. I think what has happened is the file was saved under Linux so has the illegal (to Windows) character ":" in the filename. This file can't be read by ...
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1answer
17 views

Live Disk with Persistance: Missing Operating System

I will try to narrow down my questions because I realize this topic is super broad. I'm trying to create a Linux bootable USB disk with persistence for the most recent version of Lubuntu (14.10). ...
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9 views

How to change mode of an airmon-ng created interface(mon0) from managed to monitor?

I am connecting to a home router using wifi. The detais of my wireless cards are as follows: #lspci 01:00.0 Network controller: Qualcomm Atheros AR9485 Wireless Network Adapter (rev 01) #lspci -vv ...
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1answer
15 views

Create directory in vifm

I use vifm as my file manager occasionally and was wondering how to create a new directory?! Both vifm -h and man vifm are pretty short and don't really help.. EDIT: Just noticed that in the MINT ...
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4 views

Add a top panel button in gnome shell to turn off monitor

I would like to add in the top panel of gnome-shell a button to execute sudo sh -c 'vbetool dpms off; read ans; vbetool dpms on' in order to turn off the monitor. I have no idea on how to do it.
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21 views

Find Windows 7 driver for Realtek RTL8111/8168/8411 PCI Express

We have a desktop computer here which has Ubuntu installed. We want to install Windows 7 on an identical computer, but now have no network connection. Windows doesn't recognize the network card. On ...
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10 views

How to unpack rar archive with p7zip under Centos 7

I'd like to make my 7z command to be able to extract RAR archives. I have installed p7zip and p7zip-plugins packages from EPEL repository. However, if I try to extract a rar file like this: 7z x ...
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Install win 7 along with a previous linux installation

Trying to install windows 7 on the last partition of my hdd (WD 500 gb lpvx advance format drive). The disk already has 6 previous partitions which have Debian Lenny, Wheezy, and Ubuntu studio 12 ...
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1answer
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Mounting /dev/sda on / and /dev/sdc on /usr

I want to know why you can do that kind of things? Why can you mount /dev/sda on / and /dev/sdc on /usr? Why don’t directory contents collide between /usr of /dev/sda and /usr of /dev/sdc? It ...
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How can I write a simple script for the Ubuntu terminal which turns off the screen for X seconds every Y minute?

I am quite tired of getting a headache when working with the screen for too long periods of time. That's why I want to test the following... How can I write a simple script for the Ubuntu terminal ...
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7 views

Can not view Ubuntu desktop on VNC viewer

I’m having problems on trying to connect to Ubuntu 14.04 via VNC from Windows. I’m able to establish the connection but VNC isn’t showing desktop icons. Futhermore, if I move the mouse on the VNC ...
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Bash script monitor file modification after its closed

It has already been asked here and I have found the solution for the first part of my question. So for the moment I have a bash script (script1) where I evaluate the sha1sum of a specific file ...
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14 views

midnight commander subshell - sharing a history file with the shell mc was started from

I am looking for a way to make midnight commander share its subshell history with the parent shell. To be more specific, when I start mc, open its subshell using Control+o and subsequently invoke a ...
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5 views

Pulseaudio: how to rescan audio devices?

When adding a USB device to my system (I deliberately run no modern stack for device detection), Pulseaudio can't pickup it without restart (pulseaudio -k; pulseaudio --start). Is there an option ...
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1answer
13 views

Ubuntu Server 14.04 LTS - GRUB fails to install on a VM

I'm trying to install and run Ubuntu Server 14.04.1 LTS on a VirtualBox for testing purposes. However, I can't even pass the installation process without errors, and it will fail to install the GRUB ...
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18 views

explain the top command in andriod [on hold]

When I use the top command to get CPU information in Android, I get strange data in the following lines: User 0%, System 100%, IOW 0%, IRQ 0% User 0 + Nice 0 + Sys 6 + Idle 0 + IOW 0 + IRQ 0 + SIRQ 0 ...
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23 views

Renaming burned CDs

I'm stuck with a problem that would require a skill set a little farther than mine, I currently installed Ubuntu for the first time on a piece of hardware, but I didn't take in account that the ...
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1answer
23 views

Can CygWin 64 bits compile 32 bits sources?

I am trying to compile on CygWin 64 bits the (presumed) 32 bits wake on lan tool here created by Thomas Krennwallner, supposed to compile on Unix and Windows under CygWin. After download I did: ...
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1answer
23 views

Send emails over port 80 using Linux command line

I have a server that is not allowed to send outgoing emails or have access to any name servers. What it has is an http proxy that allows it to access the other servers and I am able to do wget ...
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0answers
15 views

XEN HVM: GUI rendering artifacts on VNC

I'm facing a strange issue running Xubuntu (tried Ubuntu also, same problem with Unity, but no problem with Metacity) on Xen HVM while connecting to it via XEN's builtin VNC. Some parts of the user ...
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Pacmd dynamic range compression Ubuntu 14.04

I used the answer at the link below to successfully set Dynamic Range Compression on my Ubuntu media box running Ubuntu 14.04 (SteamOS session, so no Ubuntu desktop session available). Realtime sound ...
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1answer
24 views

Complex alias command

I am trying to create a complex alias. I have a lot of servers I have to ssh to and writing the entire command is quite annoying some times. I created aliases for every machine: alias ...
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8 views

What are my options to clear vertical screen space on centOS?

I'm migrating from ubuntu to centOS and one thing I have noticed is how the default GUI of ubuntu clears vertical space. It does not have a bar of open programs on the bottom and windows have a ...
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Fedora 8 on intel atom device using live image burn with unetboot

I'm new in LINUX, and I've been installing fedora 8 live image on intel atom based cpu ( installed on the harddrive, not usbstick) I have a running internet connection (router, Windows based PC, and ...
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2answers
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Echo/Pipe command output to Serial line

I have a serial device running on 115200 baud at /dev/ttyUSB0. I need to Pipe the output of a command to it. I Need somthing like: command-that-gives-stdout | command-that-puts-stdin-to-serial --baud ...
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1answer
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Ubuntu 14 mouse single click registering/behaving as double click

Since I upgraded my Ubuntu box to 14, I was facing the issue that almost every time a folder, item, etc was single clicked, it fire a double click action. As you can imagine this was very annoying, ...