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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What is the meaning of “chmod 666”?

I am using Linux. What is the meaning of chmod 666?
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7answers
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How to know which Linux Distribution I'm using?

How to know which Linux Distribution I'm using? uname -a gives Linux xxxxxx.net 2.6.9-42.0.3.EL.wh1smp #1 SMP Fri Aug 14 15:48:17 MDT 2009 i686 i686 i386 GNU/Linux How can I know this is ...
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13answers
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Tiling Window Manager

I've been looking into tiling window managers because I'm tired of manually positioning and resizing all my windows whenever I want to see some information side by side. However, the tiling window ...
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3answers
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How do I fork a process that doesn't die when shell exits?

If I run emacs from the shell: $ emacs foo & and then kill that shell, emacs dies. How can I run a command so that it will not die when the shell dies? I found references to nohup, but that ...
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7answers
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Cleaning windows viruses from linux

In a dual-boot system, does anyone have experience dealing with viruses that hit windows from linux? (disambiguation note: dealing with them from linux .. ) The C:\ in windows is mounted to ...
19
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6answers
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zero fill vs random fill

Many tutorials suggest that i should fill a disk with /dev/urandom instead of /dev/zero if i want it to be unrecoverable. But I don't quite get it, how can a disk still be recoverable after being ...
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4answers
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How to access bitlocker encrypted drive in linux?

I have a laptop running windows 7 ultimate. I have encrypted my drives using bitlocker. Now I have also installed lubuntu along with windows. But my encrypted drives are not visible in linux. Hence I ...
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7answers
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What Linux distribution has the most up-to-date packages?

Ubuntu's release schedule is just too slow. I want the absolute latest version of everything. Even if it's slightly unstable. Which distribution will give me this without having to manually install ...
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3answers
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Create Virtualbox image of a physical partition

I've a drive with Fedora and Windows 7 on different partitions with dual boot. Now, while running Fedora, I'd like to suck up the Windows partition and create an image I can run in VirtualBox - how ...
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5answers
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External Hard Drive bad sectors recover/mark utility in linux

I've just installed the new version of Ubuntu, Karmic Koala, in my laptop. Everything is fine, except for the fact the system identified about 300 bad sectors in my 1TB external hard drive. I'd like ...
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5answers
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What is the equivalent of Linux's “~” (tilde) in Windows?

In Linux, we can go to the user home by entering the tilde (~) character after cd: cd ~ How to do the same in Windows? Each time, I need to type: cd C:\Document and Settings\freewind That's too ...
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6answers
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Is there Linux support for TRIM on SSD drives?

Does any know if there is a way to enable TRIM support on Linux for SSDs? This is included with Windows 7, and I was surprised that I couldn't find much information about it under Linux. Info on SSD ...
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4answers
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How to join two CSV files?

Suppose you have one CSV file with 2 fields: ID and email. You have another file with 2 fields: email and name. How can you produce a file with all three fields joined on email?
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5answers
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How to record screencast on Linux with mouse clicks and key hits shown

Basically I'm looking for an application to record a series of tutorials for a program I wrote. It's important to show the actions like mouse click, mouse right click, and all what's coming out from ...
9
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3answers
8k views

Wired to wireless bridge in Linux

I am attempting to set up my Raspberry Pi as a bridge, using Debian wheezy. I have a hostapd.conf: (some details changed for security, and yes, I know WEP is no good)... interface=wlan0 bridge=br0 ...
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votes
2answers
1k views

Tab-completion with directories/links

I have this problem with tab-completion in terminal in both archlinux and ubuntu: I have a link which links to a directory named "something" in my home directory. Now when I open a terminal and want ...
6
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4answers
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No /mnt/hgfs in Ubuntu guest under VMWare Fusion

I just installed Ubuntu 13.04 inside of VMware Fusion Pro 5. I have the virtual machine configured for read-only sharing of my home directory, but there's no /mnt/hgfs directory and there's no ...
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6answers
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Zip Linux - View files in archive

How can I view the files in a zip archive without decompressing it ?
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2answers
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SandForce SSD encryption - security and support

I'm currently thinking about buying a ThinkPad X201 and equip it with a SSD drive. Now, to protect my data I always used Linux with LUKS full disk encryption on my laptops. However, as stated in ...
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5answers
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Steganography software

Do you know some good (better if FOSS and cross-platform) steganography software that runs on GNU/Linux? The features I'm searching are: steganography software (better if FOSS and cross-platform) ...
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8answers
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Pushing my PS1 prompt over ssh

I use a specific PS1 prompt that I like. I share a few logins with other other people on a few different servers. I was wondering if there was a way to specify in my local bash profile a remote prompt ...
6
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3answers
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Remote into Linux workstation behind a firewall

Let's say I have a Linux workstation at work, behind a firewall. So even though I may have a remote access server set up on it (such as the most excellent NoMachine NX Server), I can't access it from ...
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3answers
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Watch Filesystem in Real Time on OS X and Ubuntu

I'm looking for a CLI tool which will watch a directory and spit out the names of files that change in real time. some_watch_command /path/to/some/folder | xargs some_callback I'm aware of inotify ...
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4answers
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temporarily disable touchpad and keyboad, i.e. babyproofing my linux laptop

Following up with this other question, how can I temporarily disable the touchpad (both movements and buttons) as well as the keyboard in Linux Ubuntu Hardy? I mean, there is a menu for disabling the ...
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2answers
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Linux: Is there something similar to “top” for I/O?

My disk often is utilized, but top (and htop, a custom replacement) show nothing suspicious. Is there a way to sort processes by I/O (more specific: disk) utilization? EDIT Found out using iotop ...
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4answers
601 views

Linux file system

What are the conventions for file locations in Linux? So far I've managed to deduce: /proc (references to running processes) /dev (references to all hardware) /etc (configuration files) /home ...
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5answers
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Is it better to dual-boot or run a VM?

I want to run Windows Vista 64bit (Eventually Windows 7) and Ubuntu on the same machine. I want to play games and do graphic design in Windows. I want to write code, surf the internet, check email, ...
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2answers
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What do I have to take care of when hibernating both Ubuntu and Windows (dual-boot environment)

I've got both Windows 7 and Ubuntu (finally) installed on my laptop. For the sake of comfort, I usually hibernate Windows instead of shutting it down. And I think when using Ubuntu regularly, there ...
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2answers
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OS X keeps “losing” my Linux Samba shares

I have a Linux server (Ubuntu 8.10) and a Macbook (10.5.7). The Linux server has some Samba shares which I mount on the Macbook. They are set to mount on boot using the "Open Applications at Startup" ...
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8answers
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What do I need to run a Linux Home Server

What hardware and software will I require to run a Linux Home Server?
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1answer
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Forcing all outgoing connections through proxies

How can I do this in Linux? It'd be nice if there was a way to transparently force connections through proxies rather than configure them individually for each program.
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4answers
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Releasing swap space

At times the kernel seems to be intent on keeping e.g. firefox in swap, even though there is enough physical memory available and I'm using firefox: robert@rm:~> free -m total ...
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votes
2answers
2k views

How to make ssh log in as the right user?

I use ssh on a variety of machines, mainly linux. Accounts on these machines vary in naming scheme: if my name is First Last, then I have accounts: first, flast, last_f, lastf, and sometimes I need to ...
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4answers
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Creating a Windows XP installation flash drive in linux

How can I create a bootable flash drive to install Windows XP from under Linux? I have Ubuntu installed on my PC and want to install Windows XP parallelly. I already have an NTFS hard drive, so what ...
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3answers
715 views

Is there a filesystem that is “friendly” to both windows and Linux? [duplicate]

Possible Duplicate: Suggestions for sharing and using data between Ubuntu and Windows 7 dual boot I'm planning to install Ubuntu 10.04 with Windows 7. (I'm new to Linux, have to use at work ...
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2answers
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Script or launcher to setup multible terminal tabs in different locations

I have already studied this some time ago, but did not find any solution that would open terminal tabs, run some commands and then allow me to continue using those terminal tabs. All the ways I found ...
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6answers
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Best filesystem for use with multiple OS? [duplicate]

what's the best file system to use with windows, osx, and linux that is not fat32. I need a file system that can share large video files with good performance
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8answers
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What is the easiest way to make a backup of an entire hard disk

I got myself a dell laptop from the local computer store. Its a used machine with Windows Vista Home Basic on it. I want to load Ubuntu Desktop 10.10 though so I can do perl development. BUT I want to ...
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3answers
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Set PuTTY's appearance in Windows

Is it possible to configure PuTTY to have me some nice colour scheme like vim's desert? I'm an PuTTY user under Windows and my login shell is tcsh. The current PuTTY theme setting is a very boring ...
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9answers
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How to find virtual memory size and cache size of a linux system?

Is there any command to get virtual memory size, cache size and front side bus speed of a linux system? Is swap in linux same as virtual memory?
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4answers
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Setting permissions for specific user and groups in Linux

How can I grant permission for files to a specific user or a specific group? We have three groups: "g12" ("u1" and "u2), "g34" and "g56". g12 - should only read the file. g34 - should write and ...
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2answers
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How can I access a Linux partition from Windows?

I'd like to be able to access my Linux /home partition from within Windows on a dual-boot machine. Since the partition is formatted for XFS, I can't use explore2fs. What other ways might I be able ...
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6answers
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What's the best Ubuntu backup solution for a non-technical user?

A friend was asking about setting up backups, and I don't want to tell him "just use rsync". I'd like a tool with a simple GUI, and automated backups. Advanced features aren't really necessary. What ...
7
votes
3answers
2k views

My computer reboots when I tell it to shutdown

There are about 40 computers at work with this problem. They all have an ASUS P5KPL/1600 motherboard. They are all running SUSE Linux 11.1. When I tell the computer to shutdown either through the UI ...
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2answers
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How to delete a file with a weird name?

I wrote a program that uses POSIX memory-mapping function (mmap) The program takes a file (a.dat) and memory-maps it for reading/writing. Due to errors in the program, every time I run the program a ...
6
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2answers
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How to “flush tor circuit”

On Windows I have used XBBrowser, which provides a custom version of Firefox suited to using Tor. XBBrowser provides a button, flush tor circuit, which will setup an entirely new connection and exit ...
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3answers
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Why should the size of the swap partition be double of the RAM size?

Why is it recommended that the swap partition size be double that of the RAM size? Specifically, why would I need to store data stored in the RAM twice??
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4answers
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Why do we need to set swap space as twice big as our physical memory?

When we want to setup a linux system, there is a common a suggestion to set the swap space twice as big as your physical memory. I want to know why do we need this, and how it is this suggestion come ...
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2answers
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How to switch users without entering password

I'm a newbie running Ubuntu 9.10. I have two users (wife and me), and each user's screensaver is set to lock so that on wakeup, we get to choose which user's desktop to go to. However, Ubuntu requires ...
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4answers
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How do computers boot?

How does a computer boot and how does this differ for Windows, Linux and other OSes?