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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IPTABLES - IP Restricted Port Forwarding for RDP

I can't find an answered question for this problem. I have about 7 ranges of IP address i would like to allow to RDP(port 3389) to a a server within my network. My main router uses iptables and i ...
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3answers
23 views

Linux: command line access a drive in /media without typing the ridiculously long name?

I'd like to access my secondary HD from command line, however it's named something like /media/user/5ASD5487DEFEAFE415AAEBE7892 Am I really supposed to type this? Wtf were people who make linux ...
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1answer
4k views

integrated intel graphics 3D acceleration probem with Linux on ThinkPad S531

I have a Lenovo ThinkPad S531 running OpenSuse 12.3 64bit. This notebook has the following graphics cards: - integrated Intel HD 4000 - discrete (muxless) AMD Radeon HD 8670M After the standard ...
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1answer
1k views

How To Change The Floppy Image Of Qemu?

I'm developing my own OS, but I'm having some problems with Qemu, because I need to change the floppy image from grub.img to os.img while the emulation is running, but how can I do this?
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1answer
8 views

bower init error when creating bower.json

I'm trying to create a bower.json file. I'd normally run bower init which would create the .json file. Now I'm getting this error when I run bower init /usr/local/lib/node_modules/bower/lib/...
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68 views

Internet speed much faster than over LAN between PC's

I’m stuck and can't figure out how to get my speeds any faster, or figure out why my transfer speed is so slow between PC’s compared to from the Internet. Please be aware when reading this that ...
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0answers
8 views

ethernet interface on Linux drops packets

I'm trying to capture some ethernet frames with Linux. Some of these packets/frames are invalid and contain corrupted data. For example an ethernet frames contains the type 0x0800 which is IPv4 but ...
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4answers
10k views

How can I delete root(admin) users that have same UID(0) as root?

This is my passwd file: root:x:0:0:root:/root:/bin/bash m:x:0:100::/home/m:/bin/bash masoudjjgh:x:1000:100:masoudjjgh:/home/masoudjjgh:/bin/bash I try to delete user m that I am created: [root@...]...
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2answers
594 views

How to take control back on a separate process in Linux shell?

I just set up a Minecraft server on my VPS for my brother and I ran it with a bash script : sh ./server.sh& This way, the server is running and I can still work on the same command line with ...
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1answer
6 views

Using GNU Parallel to scp huge file splitting it by chunk per host

I'm using Ansible to set up some configuration on several nodes, and as part of this setup I need to split one big file by n lines and copy each part to a remote file without creating local copy of ...
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2answers
4k views

Very strange behaviour of mouse / not able to click certain elements of UI

So from one moment to the other, in Windows 7, i wasn't able to click certain elements of the UI. I could click icons in the taskbar but not on the desktop (just no reaction), then I could click icons ...
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2answers
890 views

How to get tree -a to ignore .git directories?

I love using tree to list directories, and I have a git repository with all my dotfiles. For me to be able to see them I need to do tree -a, but that will also list the contents inside the .git ...
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3answers
559 views

How to create unified, virtualized, triple boot system (Windows, Mac, Linux)

I have a new desktop and I don't want to compromise by not using Linux, Mac OS X and Windows--often simultaneously. My ideal experience would be to be able to virtualize two OS's in the other OS and ...
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0answers
7 views

Is there a linux script to create google+ style 'Awesome' animations?

As the title suggests I'm looking for a software package or script to process a folder of photos and auto-generate animated gifs similar to the Google+ 'Awesome' system. If no such thing exists, I ...
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0answers
4 views

dnsmasq to provide public DNS service

If I'm to provide DNS service to the public using dnsmasq, how to set the listen-address? I changed mine from 192.168.1.1 to 0.0.0.0 and it stops working: $ cat /etc/dnsmasq.d/public.conf # listen to ...
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0answers
6 views

Export a identical copy of Linux in another computer

I'm looking for a way to export a identical copy of the Linux version and files that I have in one computer to another one. I'm thinking of a bootable usb created by a backup. I have Ubuntu. Thank ...
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3answers
33 views
+50

Changing subtitle format with ffmpeg

How can I change the subtitle format of a movie to .srt for example? I have any movie (sound, video and an embedded subtitle). I just want to change the subtitles to .srt while leaving everything ...
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0answers
6 views

How do I inject packets to a tap interface?

I'm trying to find a way to use a tap interface to test some networking capture code. We are passively capturing wifi data and processing it through some analysis software. I would like to build ...
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1answer
13 views

vsftpd on raspberry pi doesn't chroot users

I'm attempting to run an FTP server on a raspberry pi, and after a lot of struggle I finally made it work, however for some reason the server doesn't place users into a chroot jail, and everyone can ...
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4answers
7k views

How to convert a photo to a black and white image by ImageMagick?

How can I convert a JPEG photo to black and white (not grayscale) image like output of a FAX scanner, by ImageMagick?
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2answers
31 views

Will formatting the FreeDOS partition make Windows 10 unbootable?

I bought a Lenovo Y700-17ISK and it came with FreeDOS on a separate partition in the beginning of the hard drive. It looked like that: FreeDOS 1 GB - unallocated space 931 GB Then, I installed ...
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1answer
2k views

Automatic root login in Debian 8.0 (console only)

Is there any simple and straightforward way in which I can set my Debian 8.2 box to automatically login, at startup, with the root account on the console? There is no GUI installed on the machine. ...
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1answer
20 views

Install a windows VM on my CentOS server

I have a dedicated server with a centOS installed. I need a windows environment. I just thought if it would be possible to install a Windows virtual machine and use remote desktop to connect to it. I ...
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2answers
432 views

Allow non-root users to execute specific command

As in title - I'd like to allow non-root users to execute specific command, but not binary. Eg: # killall sshd but not allow to kill any process.
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2answers
8k views

linux migration/N high cpu consumption

on my linux appliance based on 3.0.0-14 kernel I got: RPN:/tmp# ps axuf | grep migration root 6 92.9 0.0 0 0 ? S Apr23 2788:33 \_ [migration/0] root 7 99.7 0.0 ...
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1answer
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1answer
10 views

How to control scroll bar behavior in Cinnamon?

I'm running a Debian 8 machine. I believe its running Cinnamon as the window manager: $ wmctrl -m Name: Mutter (Muffin) Class: N/A PID: N/A Window manager's "showing the desktop" mode: N/A When a ...
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0answers
6 views

Razercfg freezes mouse for a tiny bit

Whenever I use razercfg on my Razer Deathadder Chroma, it freezes for like a quarter of a second. I'm trying to do visual feedback of how quickly I press my mouse by changing the color of the leds, ...
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1answer
13 views

How to disable bottom “show-on-drag” menu in Gnome?

I'm not quite sure what the menu is called, but when I drag my mouse against the bottom of the screen in Gnome (1:3.14+3), a new menu appears. I do this by accident a lot and find it very annoying. ...
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1answer
9 views

VMware player shared folders on Linux host

I haven't been able to find any shared folder settings on my VMWare Workstation 12 player (non-commercial use only). I tried searching all the documentation online, and it makes so many references to ...
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1answer
3k views

Sync iPhone in Ubuntu 11.04

I want to sync music on my iPhone 4 (version 4.3.3) with Ubuntu 11.04. Is there any working way to do that? I've already tried Amarok, Banshee, and iTunes on wine. None of them work.
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27 views

warning message “kex protocol error: type 7” during scp, rsync or shell work

Lately, I get lots of these errors on my home server. Their occurrence seems proportional to the traffic, so if I am working in a shell on the server I may seem 1-2 a day. But If I start some rsync, ...
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1answer
13 views

command option confusion in curl on Linux

Wondering what is the function of @ sign? Here is an example command, curl -w "@curl-format.txt" -o /dev/null -s "http://wordpress.com/" Here are more related backgrounds, http://stackoverflow.com/...
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2answers
5k views

Create a multiboot USB drive with NTFS or ext2

I am trying to create a multiboot flash drive, but I don't want to use fat 16 due to the huge performance cliff between fat 16 and other file systems like ext 2 or NTFS. I need to have multiple linux ...
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3answers
12k views

Interpreting output of cat/proc/cpuinfo

How does one interpret the information printed out by the following command in Linux cat /proc/cpuinfo On my laptop, I get the following output: [gaurish108:~]$ cat /proc/cpuinfo ...
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1answer
60 views

Paypal OpenSSL 1.0.1 update

I am trying to upgrade the openssl libraries on an OpenSuse 11.4 server so that they can match the new Paypal security standards (https://www.paypal-knowledge.com/infocenter/index?page=content&...
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3answers
14k views

How can I start multiple screen sessions automatically?

I'm trying to build a command that launches screen, creates four sessions with different names, and run four different commands. I know how to do this manually: 1. screen 2. ./command1 args 3. CTRL-...
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2answers
2k views

How to use compcache for Linux 3.2 (Debian Wheezy)

How do I set up and configure compcache for Debian Wheezy (3.2 kernel). As far as I can understand compcache is now in the kernel and is not to be found in the debian repo either. Compcache should be ...
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4answers
3k views

How to disable kill command on linux

I want to disable all kill commands(including root user). I have tried to change permissions but it still can be executed. Is there any way to do that.
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1answer
14 views

Last background process ID ($!) not working in sudo bash command

Do shell variables work inside sudo executed commands? I'm trying to run, and later kill, a background process, as another user inside a script. However, I cannot capture the background process ID, ...
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0answers
18 views

How to install Debian package manager

I have a testing platform which has minimal Linux on it. It is so lightweight that it lacks all distribution-specific features. The goal is to install dpkg and apt-utils, which I did, by extracting ....
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2answers
3k views

Creating a USB stick for installing centos 6.x using DVD1 and DVD2 iso files

First, we create 2 partitions on the USB stick that is let's say 16GB. first partition is let's say only 1GB and the second partition is the rest of what is available. after we "w" write the changes,...
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1answer
3k views

Linux Mint 17 Windows network shares

I have installed Linux Mint 17 Cinnamon on my desktop in an effort to migrate from Windows (and only keeping a VM with Windows) but soon I discovered that I can't see any workgroups after I click on ...
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0answers
3k views

Upload only modified files to FTP server

I want to upload files from my computer to an FTP site and I don't want to upload files that are already on the server. So I need a tool that finds out which local files that are different from the ...
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0answers
6 views

What does “Current message level: 0x00000033 (51)” mean?

There is a similar question here What is the "Current message level"? Reference linked in the answer there doesn't mention this 0x00000033 (51) value. Here is the complete output of ...
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0answers
5 views

rsyslog logs into the wrong file

I'm trying to log events from my router on my Raspberry Pi using rsyslog. Everything works fine: the logs are logged on the Pi, but in the wrong file. Everything is logged in /var/log/syslog instead ...
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1answer
3k views

Is there any sound enhancer software for Linux?

One of my biggest attachments to Windows is DFX Audio Enhancer because it enhances audio from all applications before reaching my speakers (Restore quality, ambiance/surround simulation, etc.). Is ...
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7answers
62k views

How can I determine if Apache is installed on a system?

I have Linux Mint on my computer but I don't know how to find out whether Apache2 is on it or where it is actually installed. I run my web browser (PHP installed) with http://localhost as a URL and it ...
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2answers
384 views

How to open .rar file in fedora 23

I am using fedora 23 64 bit. I have downloaded some .rar files. After googling I have found solutions suggesting that using unrar they can be opened. But I am unable to install unrar. I have tried ...
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3answers
2k views

What does // and :: in the values of environment variables mean?

On my Linux machine some of the environment variables contain lists of directories. The directories are separated by :. But sometimes they are separated by ::. Is it just a mistake that should be ...