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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I am not able to send post request properly with 'curl' command

I am very new to django programming.After reading some basic curl command, I am sent the following post request to python server using curl curl --data ...
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2answers
29 views

Linux 64bit on Virtual Box with window 7 profession 64 bit

I have HP ProBook 450 G1 Laptop with Window 7 Professional. It is Intel Core i7 and it claim it has Virtualization Technology. But I can't find it in Bios to enable it. Now I installed Oracle Virtual ...
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33 views

How do I fix strange window and mouse stuttering with Linux Mint 17 with Cinnamon?

I recently dual booted my laptop running Windows 8.1 with Linux Mint 17 with Cinnamon 2.2. I set up a second monitor with my laptop connected via HDMI and the mouse stutters across the screen ONLY on ...
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33 views

Need help converting some linux commands to OSX

I want to convert some linux commands into OSX. (Mavericks 10.9.4) root@bt:/# /etc/init.d/apache2 start (will "sudo apachectl start" do the same?) root@bt:/# echo “some Site Goes Here!” > ...
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Cannot execute root: No such file or directory

i had a problem when i used "sudo su" and the output was something like this : "Cannot execute root: No such file or directory" i have searched about that but i couldn't find something useful for ...
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8 views

Change profiles for all running terminator windows?

I'm running kubuntu, and I've been building a script that allows me to switch my desktop from light to dark and back. I just started using terminator, and I'm wondering if there's a way to switch the ...
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1answer
25 views

Why OS Windows does not boot after disk disconnected?

I have problem with booting from Mandriva linux boot menu to Windows. I previously used two disks: one with Windows and one with Mandriva and booting worked. However when I removed the disk with ...
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1answer
20 views

Script for one time proxied firefox

I want to change firefox proxy settings on the fly (no, I will not be installing a 3rd party extension for this). I want to open up an instance of firefox without changing my default proxy settings. ...
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19 views

How to set up Brazilian Portuguese Keyboard layout in CentOS 6.5?

I'm having a hard time to configure my keyboard in CentOS 6.5. My Keyboard is a standard US-International one and I'm Brazilian. In Windows, I can use language "Brazilian Portuguese" and Keyboard ...
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6 views

Chromium - Youtube minimizing to wrong screen on dual-monitor linux setup

Youtube fullscreen works perfectly on my Linux machine, the only problem is that whenever I watch a video in it and exit fullscreen mode Chromium suddenly appears on the other screen. I assume this ...
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1answer
22 views

Managing Linux hosts sharing between multiple users

We have numerous Linux machines in our lab shared between users of several departments. From time to time there is a situation when one user starts using the machine that is already taken by someone ...
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10 views

gimp/digikam startup failure

After recent upgrade of my Linux system I cannot start gimp and digikam, with exactly same error: $ gimp DRM_IOCTL_I915_GEM_APERTURE failed: No such file or directory Assuming 131072kB available ...
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24 views

What is the exact difference between the parameters (pgpgin, pswpin) and (pswpout, pgpgout) in /proc/vmstat?

Please note that this question is specific to linux only. And by swap space, I mean the dedicated swap partition. I did google a bit on this, and found these definitions: Paging refers to writing ...
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23 views

Multiple grep command and show after line

I have this command grep -iE -A18 "$(date +"%Y-%m-%d").*error" * | grep -v -A18 'Movig to Error Queue' but the result shows me the 18 line after 'Moving to Error Queue' but I do not want that. I ...
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0answers
34 views

How can I link two network interfaces under linux?

Okay, here goes. I am running linux kernel 3.0.35 on an armv7 processor, and I don't have a C compiler or GNU make. Therefore, apart from other GNU tools and standalone ARM binaries, I have few ...
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1answer
43 views

Replace windows with linux

I have decided to replace windows 8.1 with linux elementary os.But, seems like every where people talking about dual boot with windows but i want to replace windows so what should be the process: ...
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18 views

Multiple webservers on one machine

I am attempting to setup a Dell Poweredge R720 with a variable number of separate instances of apache/mysql. This is because we wish to be able to update some of our systems, without affecting others. ...
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1answer
20 views

Hardrive test using Gsmartcontrol

Few weeks ago, my laptop hanged all of a sudden while transferring files from an external harddisk. After i restarted, there was a black screen which showed insert boot device. I checked the boot ...
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15 views

Windows wireless interface for airodump-ng

Whenever I start airodump-ng on my Windows 8.1 32-bit PC, I can't use it because I do not know what the wireless (Wi-Fi) interface is. I know on Linux it's wlan0 but I don't know that the Windows ...
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1answer
22 views

Make newly created or uploaded (via ftp) files belongs to a group by default

Each time you create a file or upload it via FTP, considering your user is "myuser", it's chwon would be "myuser" for user and "myuser" for group. So you have to manually execute chown command to ...
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2answers
33 views

Is it safe to connect a hard drive to my computer to image it if I know it contains a virus?

I was recently asked to help a friend fix a virus laden computer and I was wondering if it is possible for viruses infecting another computers hard drive could pose a possible risk if I connect that ...
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2answers
67 views

Why is Opera browser in version 12.16 for Linux and version 22 for Windows?

I noticed that Opera browser is in version 12.16 for Linux version 22 for Windows. Why is there such a dramatic difference in version numbers?
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1answer
31 views

CentOS 6 - Send user defined command from PHP

I have a web control panel and I need my allow my users to send commands to their application. I a similar problem to SQL injection. $user_input='good command'; shell_exec('tmux send-keys session1:0 ...
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1answer
41 views

Ubuntu can't be booted from DVD drive?

I bought a Lenovo Ideapad G50-70 (with pre-installed Windows 8.1) lately. Thinking of dual-boot, I downloaded the Ubuntu LiveCD, and created a bootable disc. Later, I restarted the PC (with my CD ...
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14 views

Grant net_privaddr privileges on a AWS server

On a AWS Server, I need to grant the "net_privaddr" privilege to an user. I tried with this command: /usr/sbin/usermod -K defaultpriv=basic,net_privaddr USER But on the AWS server, the K option ...
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2answers
32 views

Broke most Linux computer functions with bad symlink

I'm using 64-bit Crunchbang, which is Debian-based. I was trying to fix a certain problem with libc6, and naively followed the advice of an askUbuntu answer (link) that made me run the following ...
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1answer
29 views

sudoedit: why use it over sudo vi?

According to the man page: sudoedit /etc/file creates a copy of the file, opens it as the current user, and when saved overwrites the existing file with the copy. whereas sudo vi /etc/file ...
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7 views

How to activate XScreenSaver in KDE (Debian)?

How do I activate XScreenSaver in KDE (Debian)? Installation works fine, but default is the KDE screen saver / locker, and neither the KDE docs nor the XScreenSaver docs (here: ...
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1answer
31 views

squid proxy slow response

We are using the squid proxy in our setup and implemented as transparent proxy with user authentication. Before couple of days, while we are trying to setup the iptables the squid started performing ...
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19 views

How to correctly configure iptables on a laptop?

I have run these commands (tried switching the order too) because I want to set up a firewall on my laptop so that nobody can connect to it (except of course in response to a connection I've made): ...
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1answer
23 views

new windows 8.1 alongside with linux

I have pretty serious problem while installing any linux alongside windows 8.1. While trying to install, linux showing that my disk is empty, despite that i just installed windows a moment ago. Same ...
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1answer
111 views

Delete or move OEM partition on ASUS laptop

I bought an ASUS laptop (S550C) and I was planning to install Linux alongside Windows 8 (Win8 comes preinstalled) in dual-boot. The laptop has two hard drives and they come partitioned in the ...
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1answer
19 views

I accidently changed some file permissions now Multicraft wont work

I accidently changed the file permissions for /home/minecraft/multicraft/servers and I was hoping that someone would know how to reset them to their default state, Please help me.
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1answer
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Find a sentence with regex linux

I want a good regex for find a sentence contains words and space in Linux ... I examine several regex but i failed ... i think its very simple but i cant now o it... also im very sleepy..... this is ...
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14 views

Shared collection of files from different hosts

There are 5 Ubuntu boxes which are running neural network trainings and save data locally (many TB are available per machine). I can also samba-share the results folders and mount them locally on my ...
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38 views

Can't access modem web interface

I have cisco modem with Linux firmware. I can't connect to modem admin interface via ip 192.168.100.1. I can't SSH to it either. I tried to ping it and it is unreachable. I noticed that sometimes this ...
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11 views

-t, -T and/or -t -t options for ssh are not stopping stty errors

I've googled this error (which is a pretty common error) ad nauseam, but none of the solutions are working. Disabling pseudo-tty allocation nor forcing pseudo-tty allocation work for me. I always ...
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1answer
123 views

I broke SSH by using chmod on an EC2 Instance — How do I correct?

I have been running an Amazon EC2 Instance for a while, and recently accidentally changed permissions/ownership on folders recursively. I can no longer SSH into the instance. I do not recall what the ...
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16 views

Finding Windows rootkits from a Linux live DVD

I'm looking to set up a procedure for ferreting out possible Windows rootkit infestations from a Linux live DVD. Especially preferable are steps I can automate by shell script. I already know you can ...
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1answer
197 views

Linux - group member cannot delete file with rw permission

Below shows a file, /tmp/testfile, owned by user1 with group changed to wheel that also includes user2. The file has rw permission for the group. So shouldn't any member of the group be able to delete ...
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1answer
44 views

What is this SSD in my laptop

I have a laptop running Kubuntu. This laptop comes with a 32GB SSD inside. Is it a drive that I may store any old files on it? If possible, I would like to put my operating system onto it so I may ...
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39 views

Why system becomes unresponsive before system reach total memory

Why the system becomes unresponsive before system total memory be reached ? I've 2G DDR3 installed (1802MB usable) but when memory usage reach ~1450MB the system starts to be unresponsive and stay ...
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1answer
17 views

How to update PHP and MySQL in SUSE LINUX Release 11.2

I have in a server SUSE LINUX Release 11.2, with PHP Version 5.2.17 and phpMyAdmin 3.3.9, How can I do for update the two elements, I tried with: sudo apt-get update php5 but dont works, says: ...
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1answer
20 views

NetBIOS replying only to external requests

I have some IPs on the internal network I'm 100% sure have netbios enabled. (I say "internal network", but all the IP octets differ. It is just the same institution and geographical location). If I ...
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1answer
32 views

Batch convert txt file encoding

I have about 700 files that were the results of a closed caption software process. I can open the files on my PC or Mac in a GUI, but when I open it on the server with nano, I get this: ...
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1answer
51 views

Micro SD impossible to modify (write or format)

Recently i had problems with my SD card used for my android device, basically i cannot modify it (write or format). Only read it, if i try format or write, any time that connect and fisconnect from ...
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22 views

List all interrupts in linux

I am working on an embedded linux device. I want to list all of its interrupts. I know the command cat /proc/interrupts. But it only lists in-use interrupts. Is there a way to know all interrupts of a ...
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49 views

How to execute a compiled C program in Linux terminal

#include<stdio.h> main() { int a,b,c; printf("enter the value of a and b for addition:\n"); scanf("%d %d",&a,&b); c=a+b; printf("Addition of ...
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3answers
42 views

Starting programm into window manager

Is there a way to start a program from a terminal, that is not a "child" of the window manager (p.e. XFCE), into a window manager? The executed program has to be detached form the terminal (and my ...
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1answer
17 views

synergy interprets a 'space' for a 'slash'

My setup is : Linux Server OSX Client Every time I use the space on my Linux box keyboard (and the pointer/focus is in a window on my OSX machine), I get a slash '/' instead. How do I fix this?