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 install Skype on Fedora 22 64 bits

I have searched hour for posts about this subject and have found many posts about possible solutions but have yet failed to manage to install skype on Fedora 22 with a 64 bits machine Post like this ...
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Setting up quarantine environment on Linux or Mac

How can I setup an quarantine environment so that I can test my codes or programs which can fork any number of times? I was trying this on Mac and if I have a fork in a while loop which is not ...
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Most efficient way to proxy a port from one host to a port on another

I have a host with one IP address which is using port 443 (HTTPS) with one certificate. I want to run a second app on this IP address using a different certificate on a different port. To prevent ...
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Install Python on Centos

I have some scripts on my server that I to run when the url is loaded so I have been looking around and I'm not sure but from what I can tell I want to install apache python? Because right now I have ...
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Linux command line tool to copy image to clipboard in python

Tried to asked the same question on SO, but got closed because "SO is not a code-writing service". So trying it here instead (because there will be far few lines of code to write than the original ...
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1answer
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Browser Downloading Files Instead of Opening Them

My browser is downloading PHP files instead of opening them. If I type into the browser: mysite.com:9000/demo/Test.php It will download the file. However, if I use this for another PHP file then ...
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Linux server to send and receive from RS-232 using socat

I'm trying to bench test a configuration where a linux server will send and receive RS-232 data from a blackbox RS-232 to Ethernet converter. I've followed this example. I've configured ser2net.conf ...
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1answer
9 views

Connect virtual machines

I have a Linux machine with an IP address (for example 172.16.x.x). With some hosted virtual machines, each machine is accessed with different ssh port (eg 2230, 2234...). For instance in VM1 I have ...
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1answer
17 views

CowSay (apt-get moo) for OS X?

I used Linux before I got a Mac and I remember moo cow "Have you mooed today?" from apt-get moo. I've got some time to kill and am tired. I'm waiting for my hotel room to be available and was ...
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1answer
10 views

Retrieving files from VirtualBox on Mac (scp or…?)

I am able to get files from my local machine to my virtual machine by doing: scp -P 2222 myfilepath/myfile.csv vmuser@vmhost:/vmfilepath/ I edited this file, and now I would like to do the reverse. ...
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2answers
24 views

How to disable Nouvea before Linux boots

I am trying to install the proprietary Nvidia driver on my linux machine ( Nvidia GeForce GTX 750, Debian w/Linux 4.1.2.1 ). In order to use Nvidia's .run file, I need to disable nouveau. The .run ...
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15 views

Make windows unmount a specific partition when hibernating

Could I possibly trick windows in to thinking it's a flash drive? I dual boot, this would be really nice to have.
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How can I rename all image files within a directory (and recursively within its subdirectories)?

I have a directory containing a large number of image files, some of which are in subdirectories. I need to rename all image files matching *.png, *.jpg, *.jpeg, *.bmp, *.gif using a simple pattern ...
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R : rgl displaying issue (black windows) on linux

I installed the rgl package for R on my new computer running on Linux Mint 17. I followed the advices found on several forum as I already did on my previous computer to solve my issues. So, rgl is ...
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11 views

Linux/Unix authentication via Active Directory across Networks?

I have two networks, one contains the Windows AD the other contains Unix/Linux clients of all kind. There is a Linux machine which has a NIC in both networks. I'd like to authenticate the unixoid ...
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8 views

SSH sessions has incredible delay, but way less when return/enter is pressed

When I connect to my server via SSH, the output on the terminal is extremely delayed. For instance when I type htop on my local computer, it takes quite a few seconds to be displayed on the terminal. ...
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9 views

qBittorrent not downloading healthy files

I am using qBittorrent v2.9.8 in kali linux. After last day i can't download anything through it. Even the file is not downloading which have more then 12000 seeder. I notice that only DHT is ...
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How to download all dependencies recursively and after it install all rpms from that folder?

I need to download all dependencies in separate folder and after that install all RPMS from that folder. I use the following commands: destdir=/tpm/rpms yum install --downloadonly ...
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Solaris + date + what is the same equivalent for Solaris

on Linux the syntax for date with seconds is: date +%s 1438587288 from MAN PAGE - %s seconds since 1970-01-01 00:00:00 UTC what is the same equivalent for Solaris?
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Failed Installing linux-image-3.2.0-4-amd64

I always get this error messages when doing sudo apt-get upgrade > apt-get upgrade Reading package lists... Done Building dependency tree Reading state information... Done The following ...
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19 views

Running a web application without internet on ubuntu

I have a web application running on Apache server which responds to the mobile client requests over the internet. My plan is to implement this in to an offline Linux pc which does not have any ...
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1answer
19 views

how to open port in ubuntu?

I have open port 3003 that working correctly on all remote connection . when i type command: netstat -tupan | grep 3003 then it gives output ekodev@ezp:~$ netstat -tupan | grep 3003 (Not all ...
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7 views

Linux console application for generating slide show

I'm looking for a non-GUI tool that can take in a list of pictures and a sound track and plays back the pictures as a slides show with the sound track in background. It should support transition ...
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5 views

Dell DRAC shared mode not working with ubuntu server

I have a Dell PowerEdge 2950 with a DRAC 5 installed. I want to have two port working but my 1st port won't work so temporarily I want to use the DRAC port with ubuntu server I have in shared mode and ...
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1answer
15 views

Unlimited savelines in XTerm?

I'm trying to achieve unlimited or simply very large number of lines saved beyond the top of the screen in XTerm. I do have my xterm*savelines: 10000000 resource set to a rather large number, and I ...
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1answer
16 views

Kali Linux will not boot from USB, terminal asks for kernel image

I have been trying to boot Kali Linux from a USB. I have turned the USB bootable with the newest 64 bit Kali ISO and Universal USB Creator or whatever it was called, and it seems to have worked just ...
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1answer
18 views

solaris + how to verify if file isn’t update more than XX min

how to verify if file isn’t update more than 55 min? For example, the file IOstatDisk2.log not update since 18:00 And now the current time is 19:00 solaris1a:/var/tmp ROOT # ls -ltr IOstatDisk2.log ...
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11 views

wvdial, ppp0 and setting default route (automatically)

I am setting up a 3G connection to be monitored by supervisord using wvdial on a headless machine (raspberryPi/raspbian) which I can only access via the 3G connection once it's live. In short, ...
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1answer
40 views

Running a Virtual Machine and Hypervisor on the same machine

I've got a desktop and a laptop computer. Both run Intel hardware. I mainly do word processing, programming, watching videos and surfing the Internet (I don't play computer games). I would like to ...
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2answers
14 views

Conditional variables in Makefile

I am trying to compile source code in various ways. For example, suppose I want to compile a fortran program with source code main.f90, file1.f90, and file2.f90 as inputs. To generate hello.exe, I ...
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10 views

Issues changing default terminal in Debian

I've installed gnome-terminal on my Debian PC which is running KDE on top of it. I've tried to replace default terminal emulator using "default applications" and sudo update-alternatives –config ...
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20 views

How do check if USB and internet ports work with linux?

I've heard that if the USB ports stop working in windows they can be checked via linux. How can that be done? Does it matter which OS I install?
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23 views

Programs not Executing

So one day randomly a month ago all of my programs that I installed stopped opening when I clicked them. I figured out how to manually run Minecraft since it is a jar file, but other programs not so ...
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How to avoid boot failure after upgrade from Windows 7 to Windows 10 with dual boot

Basically, I want to avoid this: http://askubuntu.com/questions/654386/windows-10-upgrade-lead-into-grub-rescue My current disk partitioning scheme looks like this Model: ATA ST1000DM003-9YN1 (scsi) ...
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1answer
8 views

Setterm blink issue

I'm using Debian with KDE version 4.14.2 and I'm trying to make Terminal cursor to blink, like in Ubuntu. Using setterm --blink on makes username and hostname to blink until next command, but nothing ...
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1answer
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How to remove GRUB from Windows 8.1?

Awhile back ago I had installed Fedora 21 on my PC (with trouble of course). Anyways, fast forward today, I get tired of the dual boot (grub) screen and decide to wipe my linux partition thinking that ...
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Unable to boot Kali Linux 1.1.0 using a bootable pendrive

I have made a USB livestick for Kali 1.1.0 with Win32DiskImager and tried to boot it in Windows 8.1. When I came to the boot order menu my USB was recognized as an EFI-device, but when I tried to run ...
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How to log vnstat or equivalent to file

I have a few servers that run both Linux and OS X. I would like the ability to capture and log the amount of data passing through eth0 interface. The file should look like this and rotate daily with ...
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1answer
30 views

This bash command runs on OSX but not on Busybox ..why?

I've got this bash one-liner , it runs fine on OSX, but doesn't on Linux, I'm suspecting the linux distro (Busybox) on my Qnap has got something to do with this . Here is the command that runs on OSX ...
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Raspberry Pi Serial Bluetooth Module not detected

I have a serial Bluetooth module built for Arduino, but I need to get it to work on a Raspberry Pi (Running Raspbian). I installed bluetooth, bluez and I have it wired up with the TXD and RXD crossed. ...
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3answers
25 views

Ubuntu - OK to raid0 and raid1 on same two drives?

I'm building a household Ubuntu 14.04 server and just installed two 3TB drives for the files and media. The box (HP DC7900 SFF) uses Intel Matrix RAID which, according to wikipedia is neither hardware ...
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Clonezilla vs external blu-ray

I am running clonezilla vivid (stable), which is built on Ubuntu 15.0 (kernel 3.19.0-18-generic)... I see this when I boot the clonezilla iso and run a manual linux shell... user@vivid:~$ cat ...
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? wildcard produces unexpected result in LS directory search

I'm trying to get the hang of the CLI (command line interface). At the overall root directory, I did the following: root@droplet:/# ls ?tc I expected to get just the etc directory in the result ...
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1answer
59 views

which operating system to install on raspberry pi 2? [on hold]

I have just got a new Raspberry pi 2 model B. I am just a little confused which operating system i should install on it? The two options I have are Windows 10 IOT or UNBUNTU Mate? I mean which OS ...
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3answers
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What is the equivalent of Ubuntu /etc/network/if-pre-up.d/ in Fedora (22)

I'm trying to migrate from Ubuntu to Fedora(22) but I can't find how to run a network script before the interface is up. Is there any equivalent of this /etc/network/if-pre-up.d/ in Fedora? I need to ...
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How to set proxy server Squid on CentOS multiple connections for download

I am now using Cent-OS and i have installed squid proxy server completely. The problem i meet is when I use Internet download manager and set proxy) to download a file, Internet download manager could ...
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37 views

Linux sh script throws “#!/bin/sh: not found”

i have a script #!/bin/sh # Automatically remove a torrent and delete its data after a specified period of # time (in seconds). TARGET=/var/www/transmission/completed USER=name PASS=pass ...
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1answer
87 views

How to dual boot Windows 10 and (Kali) Linux?

I tried to install (Kali) Linux over a live usb stick (live .. > Application > System Tools > Install Kali Linux), but the with Windows 10 created partition of ~60GB won't be recognized by the ...
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Fedora L2TP IPSEC VPN failure

I'm trying to connect to an L2TP IPSEC VPN server on Fedora 22. Connections have been successful Windows, Mac OS X, iOS and Android. I cannot get it to work on Fedora 22. I've followed ...
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1answer
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Restart a command after it gets killed by the system

I have been using Gmvault to backup my Gmail email accounts but since the machine I use for doing this job only has 1GB memory, it frequently got killed by the system (Ubuntu) when it exhausted all ...