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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Using Macbook Pro 5,1 Running Ubuntu to Create a Bootable Lion USB Installer (?)

I'm having a nightmare of a time attempting to create a working Bootable USB of OSX Lion from a Macbook Pro running Ubuntu. I have followed just about all the best guides online to format and image ...
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242 views

3G connection stalling after long periods of activity

I have a Huawei E1752 3G dongle that is connected to a machine running the latest stable Debian. My problem is that after a long period of use (in the order of days), the 3G dongle seems to stall and ...
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5answers
2k views

Are Linux commands interchangeable with Unix commands?

I find that some commands, for example, ls and pwd, can be used on both Linux and Unix systems. Is it that all Linux commands can be used in the Unix systems, and all Unix commands can be used in ...
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1answer
480 views

Any file system debugger similar to `fsdb` in Linux?

I'm now studying Linux file system and curious about how to read an i-node with a i-node # get from ls -i? Seems fsdb in Unix is such a tool but didn't find its correspondent in Linux. Thanks and ...
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1answer
104 views

Move all 3 GIMP's windows at the same time?

GIMP consists of 3 separate windows. So when I have to move it to another desktop in Ubuntu, I have to move all three separately. Is there a way to move all 3 at the same time? Right click on GIMP's ...
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1answer
42 views

KernelCheck inexplicably crashes during information retrieval

I'm using KernelCheck on Ubuntu oneiric and when I start it up, after entering the root password, I click on the button that reads "Get Kernel Information" and then it simply crashes. I have a ...
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1answer
47 views

yum to install fails on default empty server

I used to download Fedora from site X, for example, but lately the site has not updated itself with new packages, therefore commands used to install any of those packages report back with errors as ...
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2answers
577 views

ubuntu 10.04 command “# type php” returns nothing

I have 2 LAMP servers with ubuntu 10.04... both with php5 successfully installed. on server1 i run the command # type php in terminal and the response is: "php is /usr/bin/php" however in server2 I ...
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1answer
365 views

Scripted command line with redirection fails

The following works from the command line, but fails as script: gunzip -c /disk1/hadoop/gunzip_tmp/in/part-00006.gz >> /disk1/hadoop/gunzip_tmp/outfile.000 The following script lines: ...
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1answer
503 views

In Linux, what dot- files & directories should I back up?

At the moment, I am using rsync to backup my /home directory. At the moment, I am excluding some 'dot directories' like ~/.cache, ~/.mozilla, etc. The problem with this is that most of the time spent ...
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1answer
609 views

Gunzip redirection: “No such file or directory”

When I issue the following command: gunzip -c /disk1/hadoop/gunzip_tmp/in/part-00006.gz>>/disk1/hadoop/gunzip_tmp/outfile.000 I get the following stderr: gunzip: ...
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2answers
494 views

Arch Linux frame buffer changes?

I have an old computer running on P4 processor and ATI Radeon RV100 QY [Radeon 7000/VE] graphics card. Whenever I quit any window manager, the screen goes blank, but it still accepts input i.e. I can ...
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2answers
3k views

Linux/bash: How to get interface's IPv6 address?

What command can I use to get IPv6 address of an interface in a script? Update: Output of sed from one of answers. $ ip -6 addr 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 inet6 ::1/128 scope ...
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2answers
348 views

Which file-system is good for movable disk between many different OSs?

I often use movable disk (USB) to change data between different OSs, almost four kinds -- Linux, Windows, Mac OS X, FreeBSD. Obviously, VFAT is supported in all kinds of OSs. But the short is: It ...
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1answer
770 views

Debian - Unable to Create Files, Even as Root

On my Debian server I am running Apache. Today I found that I am unable to create files in all of the website directories. So for example I have /var/www/testsite. I change to that directory. Then ...
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2answers
370 views

What should I do when SSH on Ubuntu freezes?

When I'm using SSH to connect to an Ubuntu machine and it freezes, I'd just close PuTTY and re-login. Is there a better way to handle errors like this? (like Ctrl+Alt+Del in Windows)
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1answer
152 views

Why does my terminal have funny characters for the date field? Looks like Russian?

Strangely my terminal has funny characters in the date area that look like Russian. Does anyone know why it displays these characters? (I'm running Mac OS X Lion)
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3answers
2k views

Backing up DVDs on Linux

I'm trying to backup my DVD collection onto my Linux box. Usually dvdbackup or ddrescue work just fine. With some DVDs, however, dvdbackup and ddrescue fail, likely due to copy protections. I tried ...
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1answer
1k views

Executing lines of a file with xargs, using stdout redirection

I have a file that has lines that look like this: "http://api.domain.com/path/to/resource?format=json" > output.xml and I execute the following from my command line: cat file | xargs -L 1 -I {} ...
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3answers
201 views

Linux: tunelling an incoming connection

Setup: PC I (Ubuntu 11.10, have sudo), Mac T (OS X 10.7.2, have sudo), Smart device S (barely configurable). S can see to I on the local network, but can't see T. I and T can see each other. There ...
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2answers
1k views

How can I mount a tmpfs without root?

I'm on a managed machine but I'd like to create a folder stored in RAM for temporary storage, how might I do this?
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5answers
2k views

Which directory does path `//` represent in Linux?

When I want to go back to upper level directory in Linux by typing cd .., I typo-ed cd //. To my great surprise, no errors are reported. What's more the prompt becomes username@hostname://$. ls ...
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819 views

mdadm: hot remove failed

My RAID1 is degraded and I need to replace /dev/sdb. However, I could mark /dev/sdb5 (in /dev/md1) as failed and removed it, but I can't do the same with /dev/sdb1 (/dev/md0 which is mounted on /): ...
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4answers
5k views

Failed dependencies errors while installing MySQL on CentOS Linux

I am trying to install MySQL on Linux. And it seems that I'm confused which MySQL package I should use for my particular Linux environment. My Linux Details: Linux 2.6.32-71.el6.x86_64 #1 SMP Fri ...
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1answer
281 views

Magic Number of Linux partitions

I want to know the magic number of the current partitions and also the procedure of changing the magic number for the file system types.
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51 views

Sudo access in cygwin [duplicate]

Possible Duplicate: there's no sudo command in cygwin How to get root access in cygwin? I tried sudo it is not working and i also found this "$@" command. I am not sure how to use this. ...
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1answer
113 views

Access intranet from my home PC

I have a workstation that serves as my network's testing server for my web projects. This is where I keep all my updated webpages. I want to be able to monitor what changes have been made by my ...
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2answers
615 views

Is it possible to access files “shadowed” by a mount?

In Linux, is there a way to access files on a mounted filesystem that have been "shadowed" when another file system was mounted over a subdirectory? E.g. cd / mkdir /foo touch /foo/bar mount ...
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2answers
4k views

How do I load Ubuntu into RAM and boot from it?

The Problem I have a USB flash drive which, among Windows PE and other things, has an Ubuntu 11.04 system on a virtual (file-based) partition: <drive>/ubuntu/disks/boot.disk mount point ...
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0answers
683 views

What are my best options to recover data from a faulty SD micro card (used in an Android cell phone)?

My wife is having troubles while syncronizing the data from the SD micro card of her LG android phone to her portable pc. It keeps remaining stuck forever at a given photo (#21). I tried to access it ...
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1answer
111 views

Is there any tutor like the 'vimtutor'? [closed]

I find that the vimtutor is very great, is there more command to teach you other things too? Thanks.
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2answers
2k views

Installing emacs on red hat linux 5

I am very new to Linux , we are trying to install Emacs editor on linux which is Red hat Linux5. We setup VMWare and installed linux on that , i tried google a lot and couldn't find any tutorial on ...
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2answers
2k views

Android emulator performance on linux

I installed the android SDK and eclipse plugin on my laptop, but I was surprised to find out that the emulator eats up 100% of one of my cpu cores. I have exactly the same setup on a desktop machine ...
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1answer
535 views

How to change permissions in files in subdirectories in linux?

I have a main music folder and within that folder are the various albums that I have and in those albums are the various song files. The permissions on these are set incorrectly on my FreeNAS server ...
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1answer
8k views

Is there a Chrome extension like DownloadHelper for Firefox?

I search something like DownloadHelper, a tool to download Flash videos. It should work on Chromium (Linux). Any link?
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1answer
3k views

ddclient updating to local IP instead of public IP

I'm trying to setup ddclient on my ubuntu server to update my DNS records on zoneedit for when my public IP changes. It's updating fine, the problem is that it's giving zoneedit my local IP instead ...
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1answer
571 views

suspicious Fedora 'run as root' request?

I am running Fedora 16 and just installed Dropbox from their website. After dismissing the successful installer, I received a 'run as root' authentication popup trying to run the command 'sh ...
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1answer
2k views

Accessing Computers/Devices on a Network from Linux

I have a network hard drive that I want to access from my Linux system as well as some other computers that run Windows, but I have no idea how to go about doing this. The desktop environment Gnome ...
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0answers
87 views

Mouse Navigation - dedicated right-click?

In kde, I'm using mouse navigation to move the mouse pointer with the keyboard. However, it is very cumbersome to right-click as I have to first press "-" to change the click behavior to right click ...
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1answer
540 views

The Internet connection on Debian breaks often, Internet connection is fine on Windows

I just set up a Debian machine to use as a web server. However, it would randomly lose Internet access for a while, then be fine a few minutes later. Other computers on the same network are fine. I ...
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4answers
646 views

Is it possible to run a Linux / BSD app on a mac?

I don't care if I have to add libraries or build whatever on my end. I'm just hoping since OS X has the foundations of Unix that there's some way to run a Linux or BSD client. Specifically, we need ...
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2answers
128 views

How can I `ssh -X host` into a Windows 7 machine and have Windows apps open in Gnome?

How can I ssh -X host into a Windows 7 machine and have Windows apps open in Gnome like they would if I were ssh'ing into another Linux machine?
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5answers
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install sun java 6 and sun java 7 side-by-side on linux (fedora 16) using rpm

This is what I would like to achieve, but I'm failing (I'm a newbie in Linux). I have a Fedora 16 box (64 bit) and would like to install multiple versions of oracle java (java 6 and java 7 for the ...
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1answer
160 views

How To Customize My Command Line Promt For My Working Directory (Linux)?

How would I change this [Sat Jun 02 14:24:12 vivek@server:~ ] $ to [Sat Jun 02 14:24:12 vivek@server:myDirectory! ] $ while "myDirectory!" is customized string that only shows up when I am in my ...
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2answers
2k views

Ubuntu and XFCE: unmute sound

I've installed XFCE for Ubuntu and use it as my default X session. After this change some sound problems appeared: I can mute sound with alsamixer or with hotkey on a keyboard. But just reenable it ...
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2answers
74 views

Are files lost when making a new partition?

From my experience this is answer is no, but I was hoping to get some more information about this process. For example, say I install Windows using the full drive but later on I want to make a Linux ...
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0answers
76 views

RA5370STA Wireless Adapter Is Up But Not Working

I've installed the packaged firmware for a RA5370STA based wireless adapter. If I run iwconfig, it shows the ra0 device as up. However, I can't connect to any networks. I'm on Ubuntu 11.10.
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1answer
141 views

Rip files from data DVD (not actual DVD format) with command line (Linux-based OS)

I have a pile of DVDs. Some are actual playable DVDs with titles and chapters, and some are just data discs, with a collection of .wmv or .avi files. I can use Handbrake to easily rip the actual DVDs, ...
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2answers
525 views

RHEL5 + Awesome WM - How do i fix mod4 inversion (acts like mod4 is always pressed)

I built and installed Awesome WM on RHEL5. I have problem with mod4 acting like its always pressed. ie every time i hit "Enter" it acts like Mod4+Enter was hit. I have to hold down mod4 key (I ...
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0answers
189 views

which yum version can handle sha256 checksum

I am using redhat es 5.4, I add fedora 15 repo in yum.repos.d, the fedora 15 using sha256 to generate checksum. it seems the yum version I am using can't handle checksum generated with sha256. I am ...