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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2answers
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Linux and safe Web browsing [closed]

Is it possible for a Linux system to get infected from Web browsing to a site with malicious code, malware, or trojan? I run Fedora Core 18 (KDE), Firefox 20.0 for Linux and Konquerer 4.10.1. I ...
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6answers
1k views

Full screen Flash slow in KDE 4

After upgrading my Debian unstable to Kde 4 a few months ago, the Flashplayer started to be very slow, especially in the full screen mode. Using Kde 3 I was able to watch full screen Youtube or ...
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3answers
6k views

rsync - does it create a temp file during transfer?

As far as I can see rsync doesn't create the file in the target directory until it is complete. This must mean that it creates the file in a temp directory somewhere and copies the file into the ...
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0answers
13 views

Detect extra keyboard keys in linux [duplicate]

I'd like to get the five additional "Macro" keys on my new Razer Black Widow working in Ubuntu. I already tried: xev: no events logged on keypress - looks like presses don't reach the X cat ...
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7answers
11k views

How can I open VLC multiple times?

In my particular case on a Mac, I would like to dump several parallel Flash video streams. So the question is, how can I run several instances of VLC?
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4answers
2k views

GNOME 3 Ctrl+Alt+D (Show Desktop)

I recently upgraded my system to GNOME 3. In previous versions of GNOME, the key combination Ctrl+Alt+D would hide all open windows and show the Desktop. This shortcut was eliminated from GNOME 3 ...
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1answer
103 views

Not able to login in VNCViewer

I created new user in Linux VM from root user with Putty. And closed Putty session. I login with my new user. I run command vncserver -geometry 1800x900 it gave some session id like : ...
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1answer
22 views

Built installation usb key from linux virtual machine

I have a virtual machine I'd like to install as real os on my machine. As I have refit installed on my macbook air (Mac os, windows and ubuntu), I tried the clonezilla methode in order to overwrite ...
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1answer
818 views

Sendmail “Delivery Status Notification” mail flood

I am not entirely sure whether this belongs here, so feel free to redirect me in case I posted this to the wrong board. I have a small apache2 webserver (raspberry) registered under the domain ...
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2answers
2k views

Created New user in Linux, but not able to login in putty or SSH or else [closed]

I am new to Linux, I don't know in-depth things. I created a user from the root account, but I am not able to login as the new user (sampleUser). Here are the commands I used to create new user: ...
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2answers
734 views

Pass arguments to Unix executable in Mac terminal

I'm pretty new to Unix coding and would like to work on a few simple networking projects. I found a few tutorials that are exactly what I am looking for - this one in particular: ...
1
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1answer
317 views

ABBYY .lsa dictionaries not loaded in Goldendict

I recently have found that only goldendict is modern QT application to integrate many dictionaries in a common platform, am using it under Fedora. After having installed it under Fedora I made it to ...
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2answers
1k views

In the output of lspci -vv, what do the Region lines mean?

I have the following output from running lspci -vv -s 00:00 on my single board computer running Linux. 07:05.0 RAID bus controller: Adaptec AAC-RAID (Rocket) (rev 03) Subsystem: Adaptec ...
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1answer
128 views

Configure IPTables [duplicate]

We have RHEL 5.0 squid proxy in our office. Our LAN is 172.20.12.0 /24 n/w. Proxy ip is 172.20.12.4 /24 . I want to share Internet through proxy. Most importantly: Suppose I have flushed the ...
0
votes
1answer
134 views

Free disk space when installing debian?

I am currently installing Debian on VirtualBox. I want to partition the disk so that there is free space left over. How can this be done? Should I choose manual partitioning? If so how should I ...
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votes
5answers
12k views

Connecting to a hidden wireless network on Kubuntu

How can I connect to a hidden wireless network on Kubuntu? I have 9.10 64bit installed, and have the information for the network (e.g. SSID and key) because I've already connected to it on Windows.
1
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1answer
652 views

Comparing zip files

We need to compare the contents in each of 2 .zip files we have. Each .zip file has of different file extensions. Each .zip file also contains another .zip file and a couple of subdirectories. We ...
0
votes
1answer
140 views

how to compare negative floating points in bash

We tested our script and it fails on negative floating points comparison in bash. What are we doing wrong ? $F1=10000000000 $F2=300 FLP=$(bc <<< "scale=5; ($F2 - $F1)/$F2 * 100") if [ $FLP ...
5
votes
1answer
5k views

Can't get Raspbmc to browse samba shared folders

I can't get Raspbmc to browse my shared folders on my Windows 7 computer that is in the same network. When trying to add a networklocation, I get 'connection timed out' Things I have tried: I ...
7
votes
1answer
7k views

command-line utility to record from microphone

I am looking for command-line utility that monitors the microphone, and if you start to speak, writes the file. Recording period should be adjusted. Solution is: sox -t alsa default recording.wav ...
1
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1answer
304 views

Multicast LAN ping twice as slow than unicast?

I've done a simple test on my little home LAN. I have enabled broadcast ICMP echo responses with sysctl net.ipv4.icmp_echo_ignore_broadcasts=0 on just a single host and then pinged a multicast ...
1
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4answers
118 views

Can Linux Distro be determined by remote scan?

I received the following message from a network administrator A scan from the campus nessus scanner detected the above named device as running Ubuntu 11.10 Is it actually possible to detect the ...
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4answers
3k views

Why does Linux use a swap partition when the kernel supports paging/virtual memory anyway?

As far as I understand paging and swapping, they're completely different concepts. While swapping means, that a process is either completely in physical memory or on the hard drive, with paging parts ...
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3answers
72 views

how to remove a file in /etc when rc.sysinit is executing?

I want to remove a file when rc.sysinit is executing I've written something like following : yes | rm /etc/anImportantFileWhichBelongsToSystem I guess the parent user for executing rc.sysinit is ...
0
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1answer
59 views

Connect Backwards through SSH

A bit of an odd question, but I'd like to give it a shot. I'm working with a company who's setup is a bit over secure (if you can even say that), essentially the server has block all outbound ...
1
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2answers
36 views

OS boot process not starting automatically

I am having a Linux machine with Ubuntu 12.04 Precise. My problem is that whenever I restart my machine, it will not select the OS automatically and starts the boot process, instead I have to press ...
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1answer
66 views

Installed Debian on a PC, now cannot boot to anything else

I installed Debian (6.07) on a PC. I wanted to install Ubuntu (12.10) after, but I could not boot to CD after Debian was installed. In fact no bootable disk(CD or floppy) would load once Debian was ...
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1answer
123 views

Change the default aplication when I plug in an iPhone on Linux Mint

How can I change the default applications that start on my Linux Mint, when I plug in an iPhone? Currently, what is happening is that banshee starts in couple of instances & crushes. I basically ...
2
votes
1answer
798 views

iptables status enabled after restart even after disabling

I am disabling iptables on Oracle Linux 6 with these commands. setenforce 0 service iptables stop service ip6tables stop chkconfig—level 123456 iptables off chkconfig—level 123456 ip6tables off ...
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votes
1answer
516 views

In Linux, how do I give focus to a window using scroll wheel?

I use Linux, specifically Mint 13 with cinnamon. However, I'll be happy with answers that apply to a more recent version of Mint, or a current version of Ubuntu or one of its offshoots. I often have ...
7
votes
2answers
8k views

Hdparm - Checking if a drive is spun down

Is there anyway to find out if a hard drive has spun down? I've been using the following command to spin it down after idle time: hdparm -S 120 /dev/hdX However im not sure it's working correctly ...
1
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1answer
49 views

Delete a previously added rule in ufw

I created a firewall rule for an application and put into /etc/ufw/applications.d, added that rule with command sudo ufw allow MyApp but now I cannot delete it. When I do sudo ufw delete MyApp ...
7
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2answers
6k views

Removing the avahi-daemon on Ubuntu

My Ubuntu server basically servers a Python Django site using Apache and Postgre. We SSH to it to configure some stuff from time to time but that's about it for the server. Since I'm trying to harden ...
1
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1answer
118 views

Why compile an rpm from source?

What I know: src.rpm usually contain some kind of tar or compressed source code for the app/library/package Sometimes people recommend you compile from source if the package does not work What I ...
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0answers
52 views

Host Not reachble on a Network Interface

I have two network interfaces on my linux system. When I select eth0 as default gateway , everything works fine. I can connect to the system from other computers, but when I select eth1 as default ...
3
votes
1answer
5k views

How do I install Windows 7 (with Intel RST) and Linux to dual boot on a Dell XPS 15?

I have recieved a new $work laptop, a Dell XPS 15 with a 128GB mSATA drive and a a 1TB 5400 HDD. It came with Windows 8 installed, which is not supported by my employer and must be re-installed with ...
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1answer
543 views

LInux squid proxy

We have RHEL 5.0 squid proxy in our office. Our LAN is 172.20.12.0 /24 n/w. proxy ip is 172.20.12.4 /24 . I want to share internet through proxy. Most importantly: I want to give full access to ...
1
vote
2answers
866 views

Running .jar in Linux terminal

I have a .jar file which is console based. I would like to run it in Linux via SSH. So far I am able to run it and see the output. However, after disconnecting and then reconnecting to the ...
2
votes
1answer
49 views

Displaying on screen via the commandline

I have a little linux box (running debian) connected to a monitor that I want to put at some public location to display some stuff. I can SSH into it and do not want anyone to be able to access it by ...
1
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2answers
4k views

Xorg - how to specify a non-standard display resolution

I have a netbook running on Debian whose LCD screen is partly broken (fallen from a desk). The problem is about 30 columns on the left of the screen not working anymore (totally black). The original ...
1
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1answer
937 views

Flash player problems in Chrome on Linux Mint 12

I have pretty funny problem with flash player, I can view movies from youtube, but flash does not save my usage data and don't let me change prefferences. Problem occurs only if I install adblock and ...
2
votes
1answer
2k views

Linux/CentOS how to permanent inititate DHCP Client any reboot?

In my CentOS, i need to run dhclient -v command at every time i start/reboot the server. How to make this permanent please?
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votes
5answers
2k views

Installation of java in LINUX

I am trying to install Java on Red Hat Linux through SSH. I am using wget to download the installer. When wget downloads the file, it saves it with a filename of ...
0
votes
0answers
1k views

Windows 8 bootloader fails to start after installing Fedora 17

I installed Windows 8 (which was pre-installed) on my machine. Later, I installed Fedora 17, but the Windows loader must have been damaged. Then, I cannot see the Windows boot, I can only see GRUB. I ...
1
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0answers
208 views

Using Linux workstations to remote into Microsoft Hyper-V Server 2012 Windows 7 VM

I am trying to help out a very small business with a cost effective solution, but where users have to remote into their Windows 7 VM to do work so they do not save anything on the local Linux physical ...
1
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1answer
35 views

Linux: Contents of “global” folder synced to other folders automatically

I have a directory that has 3 sub directories. "global_plugins", "foo", and "bar" foo and bar both have a subfolder called "plugins". I want the content of "global_plugins" to appear in plugins, on ...
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1answer
194 views

Unable to resize Ubuntu VM with VirtualBox

I've gone through some of the similar questions asked, but none seem to quite solve my problem. I have a VirtualBox 4.2 install on Ubuntu 12.04 (x64) as host, with Ubuntu 12.04 Server (x64) as guest. ...
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2answers
4k views

Debian 6.0.6 apt-get “unable to locate package” - how do I find the package?

I'm running Debian 6.0.6 and trying to install libeigen3-dev using: sudo apt-get install libeigen3-dev But I get the following output: Reading package lists... Done Building dependency tree ...
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2answers
2k views

How to prevent the monitor to turn off in Linux

I have a weird question here but I need an answer as fast as possible :( For a specific project I have to start a QT-Program on the screen on startup in Linux Mint 9. The Monitor which is displaying ...
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2answers
1k views

Not being able to copy text from Vim to system clipboard but able to paste from system clipboard to vim in Linux

I am using Linux OS. I would like to copy some text in visual mode from Vim to system clipboard and then paste it in another shell. I tried the following : In the .vimrc file inside /home/{USER} ...