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 can i wants the vitamins and minerals from fruits and vegetables?

To keep building lean muscle, you will need a balanced planned diet
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Looking for road traffic system

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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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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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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18 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
16 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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6 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
11 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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16 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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7 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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17 views

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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0answers
8 views

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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11 views

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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0answers
10 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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4 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 ...
0
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1answer
11 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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13 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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21 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
22 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
21 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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12 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
22 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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0answers
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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18 views

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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1answer
12 views

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
9 views

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, ...
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13 views

How to auto mount vbox shared dir

In guest, i can use following to mount shared folders sudo mount -t vboxsf Download ~/Downloads my question is: how to mount it on guest startup
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1answer
11 views

Old ALSA application and PulseAudio

I have an very old application, from repository - it's soundmodem (for amateur AX.25 radio packets). I'm using Linux Mint 17 with default sound driver, it's PulseAudio. Options in application ...
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29 views

Growing an encrypted RAID5 array without causing alignment issues

Question Is there anyway to tell mdadm to make sure a certain logical sector on the RAID-device stays aligned to the beginning of a stripe when growing a RAID5 array? Problem My RAID5 is encrypted ...
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1answer
18 views

If else case for established connection

How do I modify this test such that if the number of connections to port 1234 is greater than 10 then to execute a command (like an echo something)? [[ $(netstat -tan | awk '/:1234/ && ...
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Copy text file from a isolated server

I have a linux remote machine which is isolated from the rest of the world. To access to it I have first to connect via ssh to a gateway. When connecting to the gateway I have no prompt, but I must ...
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how to bring network up at boot time in ubuntu 14.0.4

I am write one shell script which execute on every boot, Script is as below. service lsyncd stop /etc/init.d/networking force-reload ifconfig eth0 > /home/sachin/status.txt old="0.0.0.0"; ...
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1answer
37 views

Last Windows 8 update removed Grub

I have a dual boot with Windows 8 and Fedora 20. Since 2 days ago, it worked well, but actually I rarely use W8. I booted briefly on it and it decided to install some updates, which made Windows ...
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25 views

Where to find config file for how many connection are permitted to the server

I'm not very familiar with UNIX systems yet and I need to connect to one server by telnet. When I try to connect I get following massage Connected to some.ip. Escape character is '^]'. too many ...
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What is a suitable programming language for developing a linux desktop app? [on hold]

At school we did some C/C++ programming basic stuff most problems that we solve were mathematical, as a project I want to do a basic G.U.I some buttons, check boxes. I don’t want to use C/C++ even ...
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24 views

Modify incoming packets before forwarding in Linux

I’m using a Linux (Debian based) system on which IP forwarding is enabled (/proc/sys/net/ipv4/ip_forward is set to 1). I can read the incoming packets using a raw sockets program, but I want to modify ...
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How come a standard (non-sudo) user can reboot my server?

I have RHEL 6.5 installed in VMware Workstation. When any normal user logs into the the virtual RHEL 6.5 server and runs reboot command, the server is rebooted. Normally, only users having sudo access ...
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29 views

weird behaviour with forever, bash, apache and php

I'm running some node.js scripts with forever. I started them as www-data user (i.e. via ssh logging as www-data@server and typing forever start myapp.js, etc.). Ok, everything goes like a charm; my ...
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4answers
60 views

Can I use an Android Phone as a Linux Box? [on hold]

Is it possible for me to use my Android phone as a linux development box? E.g. install some sort of package manager such as Apt/Yum followed by GCC, Vim etc. Then I simply connect my phone via USB ...
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6 views

Pentadactyl launch external program without console output

i use some custom commands with pentadactyl which launch external programs. For example, i have mapped a comamnd which downloads a youtube video, converts it to mp3 and moves it to the correct folder ...
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1answer
9 views

Is is possible to supply an absolute path to hg clone?

All of the examples of hg clone that I have seen have used a relative path: hg clone user@example.com/repo This will look up repo in uers's home directory. Is possible to supply an absolute path to ...
2
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1answer
49 views

What is the difference between making a dd of a DVD and ripping software [on hold]

I don't understand something. If I want to copy a DVD why not just dd the drive and be done with it? Why would anyone ever want to use ripping software if they can just do a simple dd?
5
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1answer
132 views

Why does the ls command require a dash before its parameters but for tar command, the dash is optional?

I am new to Ubuntu and I am trying hard to understand the command line. When I want to see the contents of a tar file I use: tar tf tarfile.tar But when I want to see a listing of all file if I ...
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1answer
36 views

How to recover deleted files with original filenames on FAT32 usb?

I have tried several products to recover the data. I have all of the original files thanks to photorec and foremost however, the images are useless without the correct filenames. I have all of the ...
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3answers
45 views

What does this use of the echo shell command do?

I found echo -n $'\e]0;Hello World\a' in a shell script that's part of a code base I'm working on. What exactly does that do? It certainly doesn't echo anything visible. Note, I'm using Ubuntu ...
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1answer
32 views

I am am connected to my wireless router at home but it won’t give me an Internet connection

I have a Thinkpad running Linux Mint 17 and my connection is on wlan0 which is the Intel Wi-Fi interface. Several days ago I was connected to the Wi-Fi router at home and everything worked like a ...
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11 views

focus to newly opened terminal

I am using gnome-shell 3.14 on archlinux 3.17.3-1. I have a keyboard shortcut (ctrl+alt+T) to open an xfce4-terminal. My issue is that when I triger this shortcut the focus is not set the the newly ...