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.

learn more… | top users | synonyms

1
vote
0answers
31 views

Recover deleted files Raspberry Pi [duplicate]

Yes, I know I should've had a backup, but I accidentally rm -rf'ed a folder with some files I need in it. It was in the home directory, I shutdown the Pi as soon as I realised. Is there some file ...
0
votes
0answers
8 views

How do I examine or adjust the schedule for duplicity backups?

I am using duplicity on Fedora 20 to keep my machine backed up and I am wondering how to control the start time for backups. Ideally, I would like them to run during early morning hours but the gtk ...
0
votes
1answer
24 views

How to avoid rebuild of soft-RAID at boot-up

I have here a serious problem on my home server: I have a LVM on a RAID5 array. As memory ran short, I decided to enlarge the RAID array (and later the PV+VG+LVs). So far so good. I stopped the ...
-1
votes
0answers
13 views

Browser providing WebGL by OpenGL ES [on hold]

While WebGL is designed around OpenGL ES 2.0, it seems most browsers use normal OpenGL with a wrapper instead. At least Chrome and Firefox seem to do so. Running these browsers on a Linux / ARM ...
-1
votes
0answers
22 views

From which system files is it advisable to have paper copies?

I've read that it is a good idea to make a paper copy of /etc/fstab. This seems reasonable to me: If the mounttable once gets lost in a system crash, one could easily recover. Also, it seems ...
1
vote
2answers
11k views

telnet fails to connect: Connection closed by foreign host

I try to connect to localhost with telnet: % telnet localhost 6311 This connection succeed, but when I connect by external IP of my computer, connection fails: % telnet x.x.x.x 6311 Trying ...
0
votes
1answer
416 views

Building a simple RPM on Oracle Linux (RedHat) using rpm build

I want to make a RPM using a certain user, from a specified build directory location. The RPM contains multiple files or one gzip, and should copy those files to a preset location (so it should be ...
-1
votes
0answers
19 views

hosting a website on LAN on kali linux box

I need to host a webpage on my machine (running Kali Linux with the IP address of 192.168.0.13) that will be accessible to other devices on the LAN. So when a PC on my LAN types 192.168.0.13:8080 in ...
9
votes
7answers
14k views

How to find the architecture of OS installed?

I'm using Core 2 Duo. So, from Intel website I found that it is 64-bit architecture CPU. Long back I've installed Ubuntu OS on this machine. But I'm not sure if I installed x86-32 or x86-64 version ...
0
votes
0answers
9 views

Installing mysql - Fedora20 - Where is the installation directory

I am trying to install mysql on to a Fedora 20 box. I am using the below guide which states the following; First, MySQL was replaced by MariaDB since Fedora 19 ...
0
votes
0answers
5 views

ubuntu on chroot apt-get update fail - Unable to parse package

When I chroot under Ubuntu 12.04 and run apt-get update in my chroot home, I get: 100% [21 Translation-en gzip 0 B] [22 Translation-en bzip2 3E: Unable to parse package file ...
7
votes
4answers
6k views

How to emit sound using built-in speaker from a command line?

How to emit sound using built-in speaker from a command line in Windows and Linux?
8
votes
4answers
7k views

free linux command line tool to convert SVG to PDF and/or some commonly-used bitmap format?

Is there a free linux command line tool to convert SVG to PDF and/or some commonly-used bitmap format (for example PNG)?
0
votes
0answers
15 views

Centos 6.5 is not starting xserver

I've got an issue with Centos 6.5 (with GUI) installed on Virtual Box. Everything was working fine until someday it's stopped starting. I noticed that it hangs out on Starting jexec services Starting ...
0
votes
0answers
20 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 ...
7
votes
6answers
3k views

how to beep on tail -f event

I want my PC to make a system beep on every tail event I have the following command tail -f development.log | grep "something rare" is there an easy way like pipeing it to somthing that beeps? ...
2
votes
4answers
431 views

Disabling all sounds and beeps on Linux

Under Linux - Is there a simple way of disabling all beeps for all applications? A coworker near me has a Linux computer that beeps a lot. It's running a scheduled task that runs for several ...
0
votes
2answers
23 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 ...
0
votes
1answer
11 views

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 ...
0
votes
0answers
12 views

SSH Mini Linux Version [on hold]

I'm interested in knowing if there is a Linux distro or other operating system which has basically just SSH on it. No frills. Just something I can add to a grub menu on boot where that os just logs in ...
0
votes
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 ...
0
votes
1answer
29 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!” > ...
0
votes
1answer
18 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. ...
0
votes
1answer
179 views

Is cached RAM in use or not?

I have these stats on my server at the moment: # free -mt total used free shared buffers cached Mem: 64461 64157 303 0 28 ...
-1
votes
0answers
16 views

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 ...
2
votes
2answers
603 views

Windows (7,8) not detecting sd card (fat32), while Linux does

Edit: as of July 20th I am still looking for an answer. I have also tested it from windows 7, same results. Tomorrow I will boot up virtual box and see if xp can detect it. I have even gone into ...
8
votes
11answers
7k views

Inverse multiplexing to speed up file transfer

I have send a large amount of data from one machine to another. If I send with rsync (or any other method), it will go at a steady 320kb/sec. If I initiate two or three transfers at once, each will go ...
0
votes
0answers
6 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 ...
1
vote
2answers
54 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?
1
vote
0answers
20 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 ...
0
votes
0answers
9 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 ...
0
votes
3answers
2k views

Unable to connect to samba shared folder via windows

im new to linux and Samba. Aim Create a called Shared_folder which can be accessed by ALL users (group name = users). Therefore, in order to map the drive in windows, the user is promoted to enter ...
0
votes
0answers
5 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 ...
0
votes
1answer
32 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 ...
-1
votes
1answer
38 views

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 ...
0
votes
0answers
9 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 ...
0
votes
0answers
16 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 ...
0
votes
2answers
47 views
+100

Mounting a unionfs hides ALL lower-layer files

I have partitions in /dev/mmcblk0p5 and /dev/mmcblk0p7. I would like to union them together such that p5 is read-only and p7 holds the changes. I'm mounting p5 on /ro-root and p7 on /root-overlay. / ...
0
votes
0answers
22 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 ...
0
votes
0answers
33 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 ...
-1
votes
1answer
42 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: ...
-1
votes
1answer
14 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 ...
0
votes
0answers
17 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. ...
0
votes
0answers
8 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 ...
0
votes
2answers
32 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, so that ...
0
votes
2answers
39 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 ...
0
votes
1answer
18 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 ...
1
vote
2answers
29 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 ...
0
votes
1answer
30 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 ...
-1
votes
1answer
20 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 ...