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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How can I use my computer as a USB storage device? [duplicate]

Possible Duplicate: How to connect two Computers with USB? So my TV supports USB and not Ethernet. I don't want to swap USB flash drives everyday. I'd like to plug my always-on Linux ...
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2answers
901 views

Linux, email notification tray/popup for certain IMAP folder

looking for a Linux email client that can display tray/popup notification (best: via libnotify's popup or dbus event) when a certain IMAP folder (not the whole inbox) gets a message. HTTP/SOCKS proxy ...
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4answers
3k views

How to get a VNC server to be available before login?

I have a remote Ubuntu server without a physical screen attached, which I use via VNC. Occasionally I have to restart it and then go through the hassle of going to its physical location connecting to ...
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2answers
775 views

cron job not working

It is little weird now that cron job is not working as i have set. I have set weekly job to send email but i am receiving multiple emails daily. Below is my code; # sends email every monday at 4:00 ...
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1answer
603 views

Setting up SSH proxy for only some servers in Linux

I followed the steps described in http://returnbooleantrue.blogspot.com/2009/06/using-github-through-draconian-proxies.html, but then connecting to the internal server fails: Proxy could not open ...
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4answers
2k views

How can I recursively set read-only permissions?

I have a very large and deep directory. I would like to make all of it read only. The problem is I guess I have to distinguish between files (which will get a=r) and directories (which will get a=rx). ...
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3answers
6k views

Disable user and change user password using SSH

How do I disable and change the user password using SSH on a Linux
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2answers
485 views

tools for checking hard disk failure

Fedora 13 I am just wondering if there are any tools for checking the life of the hard disk. I had my hard disk for 4 years. And now I think it is having some problems. Is there any tools I can use ...
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1answer
150 views

How does OS manage USB ports?

If I have a USB printer, how does Linux or Windows manage the device when plugged into a different USB port? For example, I take a printer plugged into a front USB port on computer and move it to ...
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3answers
9k views

Resetting a BIOS password on a laptop

I bought a ChemBook laptop which I have installed Ubuntu Linux on. It has an AMI BIOS. There is a password on the BIOS so I can not change its configuration. The laptop does not have a 3.5inch ...
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1answer
1k views

Transferring large files using scp with CPU and memory considerations

I want to transfer an arbitrarily large file (say >20GB) between 2 servers. I have several considerations: Must use port 22 (ssh) because of firewall restrictions Cannot tax the CPU (production ...
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1answer
645 views

How do I switch the focus of the X-screen that I'm looking at?

For a variety of reasons, I have two x screens configured on my Ubuntu 10.10 desktop. But, I can't use Alt+Tab to switch between any all of the windows at the same time. For example, if 2 Windows are ...
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4answers
9k views

list/find all regular files in all subdirectories excluding binary files

In Linux. I know I can do find . -type f, but that includes binary file and I couldn't find a way to exclude them with find
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2answers
3k views

Using “find” to list only directories with no more childs

How can only directories be listed, that do not have another child directory? Imagine a structure like /A /A/AA /A/AB /A/AB/ABB /B /C /C/CC /C/CC/CCC /C/CC/CCC/CCCC I would like to use find to list ...
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7answers
21k views

Sudo - is there a command to check if I have sudo and/or how much time is left?

(Originally posted on Stack Overflow. They suggested I try here instead. Here's the original post: ...
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1answer
603 views

KDE global shortcuts stopped working. KDED trouble?

I'm running the latest KDE4 and have gotten used to my Yakuake dropdown console. The problem is that the global shortcuts in KDE stopped working, which basically makes my whole environment unusable ...
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1answer
132 views

Identify unwanted ports

My Ubuntu 8.04 server has been reported for sending spam mails. I can't figure out which program is sending the mail. Can anyone help me in identifying the unwanted ports in my Ubuntu server? Here ...
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5answers
1k views

Renicing complex multithreaded applications in Linux

Applications (especially big Java and C++ ones) often shows up as multiple lines in htop, each have separate PID and separate nice level. Also application can spawn a lot of child processes (like as ...
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2answers
860 views

Looking for a program which uses LZW compression [closed]

I need to learn how to do Lempel–Ziv–Welch compression using pen and paper for my algorithms and data structures class. Unfortunately we have only a couple of examples in our book of how it is done. ...
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3answers
2k views

How to get Bash shell history range

How can I get/filter history entries in a specific range? I have a large history file and frequently use history | grep somecommand Now, my memory is pretty bad and I also want to see what else I ...
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1answer
151 views

How do I read alternate gnome configuration files

I have a number of versions of gnome installed on a number of different hosts. All users have network mounted home directories. In some cases gnome works poorly when reading configuration from the ...
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2answers
491 views

emacs equivalent of Xcode's #pragma mark?

I'm coming to emacs from Xcode. An Xcode feature I really like is the ability to type the lines #pragma mark - #pragma mark Section Heading Name to mark the subsequent part of my code as belonging ...
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9answers
2k views

How can I recover source overwritten by a bad compile command?

I had written a source code of C++ and complied it with the same name using the following command line. For example: c++ source-code.cpp -o source-code.cpp Now my source code has been replaced by ...
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1answer
2k views

Why does hdparm -I /dev/sdx give an error?

I wanted to know if my disk contains any HPA(Host Protected Area), by issuing the command hdparm -I /dev/sdx, but I am getting error */dev/sdx: HDIO_DRIVE_CMD(identify) failed: Invalid exchange*
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1answer
703 views

Virtual Machines and Dual Monitors with a Windows 7 Host and Linux Guest

I'm looking for virtual machine software that supports dual monitors on a Linux guest with a Windows 7 host. VirtualBox supports dual monitors only for Windows guests. VMware Player was extremely ...
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2answers
4k views

Unix recursive directory listing with full pathname of file and filesize

I'm trying list all files (recursively) with their full path name (including name of the file) followed by their size in bytes. I do not need any '.', '..' entries. I dont think anything in the 'ls' ...
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1answer
1k views

Problems Receiving a Multicast stream - How to Debug?

Through my university I've got a multicast stream that I can watch (using VPN). I try to watch it using vlc, vlc udp://@233.121.29.1:1234 but nothing happens. When I try to double click to start it ...
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3answers
701 views

Can't access Ubuntu partition in XP even with tools

I installed Ubuntu 10.10 to dual-boot with XP Home on my Asus 1005HA netbook. The main hard drive is an OCZ Vertex 2 SSD. I've tried all the common tools for accessing the Ubuntu partition from inside ...
64
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13answers
11k views

How is Linux not prone to viruses, malware and those kinds of things?

How is Linux protected against viruses? This question was a Super User Question of the Week. Read the blog entry for more details or contribute to the blog yourself
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3answers
669 views

New laptop - no install media - Backup Windows - Install linux

So I've got a new laptop, but no installation media. The hard drive has a hidden restore partition, a Windows 7 partition, and a small partition for vendor tools. My goal is to make a backup of the ...
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1answer
329 views

Google chrome 6 won't work on linux

I'm on Slackware 13.1, used slackbuild's sbopkg to update from Chrome 5 to Chrome 6.0.472.62. When I try to run Chrome, it starts but immediately dies. Here's the error message that comes up: ...
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2answers
258 views

print all sub directories (include directories that starts with “.”)

I need to print the full path of directories and all sub directories under some source directory for example how to print all directories/sub directories under /etc or /var .. (include directory ...
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2answers
1k views

Linux alternative to Windows Home Server Backup

I love the backup capabilities of Windows Home Server, but that's about the only feature of it that I use. Does anyone know of any Linux-based services that will allow me to backup client PCs in a ...
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2answers
2k views

execute ssh command without password? [duplicate]

Possible Duplicate: How do I set up SSH so I don't have to type my password? i execute the following command :- ssh -l admin hostname command but each time i execute it, it ask me to ...
0
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3answers
125 views

Which directories are private to specific users by default on UNIX-based systems?

Which directories and files in UNIX-based file systems have default user permissions set? For example, a user's home directory can't be seen by other users on a system without his permission. What ...
3
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1answer
1k views

Where do screensavers come from in Ubuntu/Linux?

How can I add a screensaver to my system? I don't want to import an existing one, but to know the mechanics of how to CREATE one from scratch and install it as if it were one of the default ones.
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2answers
2k views

Determining if Linux partition is ext2 or ext3 without /etc/fstab info

How do I determine if a partition is ext2 or ext3 if I no longer have a copy of /etc/fstab ? Here is what I get out of dumpe2fs. I suspect that there is some info here that is relevant. I am guessing ...
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2answers
1k views

How can I move folders that contain a file with a specific extension to a destination folder?

Many years ago, I converted a portion of my files to an arbitrary format with a specific extension. i no longer desire to have them in this format and i would like begin the process of replacing them ...
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6answers
4k views

Search Terminal Output

Using a default terminal and bash, there is no functionality to search the standard output of commands. One can gain such functionality using other tools, like emacs shell or screen, but I am ...
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1answer
2k views

How to find out what touchpad I have under Linux?

I tried lspci, lsusb and lshw but none of those lists my touchpad device. Where to look now?
2
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1answer
488 views

CLI: batch file rename — with CONTENT ?? (e.g. specific text mentioned in file)

I would like to batch rename files (*.txt) by inserting a number of the format 'RXR1234567' (RXR+7digits) [if such number (and ideally only one) is found in the text] at the front of the filename, ...
1
vote
1answer
235 views

Sharing configuration (.*rc files) between a normal user account and root

On a Fedora Core box, I have a normal non-privileged user and I also have sole access to the root account. Because I am the only administrator of this box, I frequently su over to root for ...
1
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0answers
664 views

installing rhel/centos/fedora on a dell inspiron 17R laptop

Got a dell inspiron 17R laptop. Trying to figure out how to install RHEL/Centos 5.5/Fedora 13 on the box. When using the basic Centos 5.5 liveCD, continously got a repeating error of buffer I/O on ...
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3answers
327 views

A linux version of cygwin?

I'm looking for a linux program that is simple and text-based, like cygwin, thats actually linux. I feel to much is missed out by cygwin like nano syntax highlighting and general linux programs. Is ...
0
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1answer
1k views

disparity between `top`'s given CPU % and process CPU usage total

I've noticed that there are sometimes (large) differences between the reported total CPU usage and a summation of the per-process CPU utilization given by apps like top and wmtop. As an example: I ...
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3answers
377 views

Copy each mp3 to folder “$artist - $album” and rename to “$TrackNr - $Title”

I want to tidy a big, unsorted folder of .mp3's. I'm sure there is an option to read the mp3-Tags and copy the files to where they belong, in Linux, right?
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3answers
552 views

Mac OS X - video call with iPhone 4 users

Is there any application I can use on a Mac and people can use on their iPhones 4 to do video calls? If beyond Mac OS X apps you can also mention Ubuntu Linux and WIndows apps that can do that too, I ...
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1answer
1k views

Autologin, X Session, and Single Application (Oh My!)

We have a very timid server whose only purpose was to run Apache and Nagios for asset monitoring. We are moving it center stage to drive a monitor for a 24/7 display of one of the Nagios screens in ...
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1answer
2k views

How to install ati 4870 driver for linux (.run file)

I have installed Linux Mint Gnome 64bit version. I have downloaded ati-driver-installer-10-9-x86_64.run file. But i don't know how can i install this file to my system :(
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2answers
702 views

netcat is blocked, telnet gets connection

I'm trying to install an svn server on my linux machine (ubuntu 9.04). I copied a line to start svnserve to the inetd.conf file and restarted inetd. But I'm not able to connect with an svn client to ...