A family of Unix-like operating systems using the Linux kernel. If your question is about a certain distribution only, use a more specific tag.

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GUI programs, xserver required?

I'm building a server that will run database and nodejs. Both of these can run in the terminal. However, it will also run vmware workstation which is a GUI program. Is xserver necessary for GUI ...
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2answers
3k views

Can you do any damage with “rm -R *” on a Mac?

I just cd to "/" on a Mac and accidentally entered "rm -R *". I know the command means delete everything in "/" but I wasn't sudoing, should I reinstall Mac OS? Or does a mac protect against this sort ...
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1answer
988 views

Symlink directories outside an NFS share in that NFS share

I'm trying to share a directory over NFS: Client: Windows 7 Ultimate x64 Server: Arch Linux x64 I have a directory called /data/authorized. I'd like to symlink other directories that are not in /...
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1answer
340 views

Internet connection goes down when I log in with another computer

I use my desktop PC and laptop concurrently. When I log in through my laptop, the internet goes down for a minute. I use Ubuntu 10.4 on my desktop and Windows 7 on my laptop. I use a Pirelli router. ...
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5answers
17k views

Operation not permitted error when deleting as root

I got into a weird situation. I got a 1Tb portable HD filled with some contents. It was used in Windows and as always packed with virus. I tried deleting some folders as root. But the following error ...
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1answer
269 views

Limit URL's accessible over a SSH Tunnel

I have a server and I want to offer a tunnel through this server to some of my friends. But I want to limit the sites they can access using this tunnel. My plan was to create a user account without ...
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0answers
82 views

Static configuation of USB interface on linux

How can I make sure that devices connected to a port are always assigned the same 'usb0' & 'usb1' interface .
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1answer
425 views

Recovering ext4 data after accidental partial re-image?

I had a CD that automatically starts to image a system with windows XP/NTFS. Accidentally booted from it on a Linux system which has one large ext4 partition (500GB). Interrupted the imaging process ...
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5answers
4k views

Wireshark (Linux) captures only packet from and to my PC when in promiscuous mode

I've installed Wireshark and configured it to let my user run it with all needed privileges (I enabled dumpcap and added my user to wireshark group, then restarted). Devices are shown and capture ...
3
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1answer
1k views

ALSA: Audio playback is clipped and has low volume

I'm hoping that someone can help me debug my audio problems. The problem is that audio playback is clipped and has low volume. The details of my setup are as follows: Arch Linux 3.1.3-1 An onboard ...
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3answers
4k views

Linux: refresh menu after having registered .desktop file

I've created a menu item using xdg-desktop-menu install mycompany-myapp.desktop. Unfortunately, the menu item does not occur immediately on Ubuntu 11.10, but I need to log out and in again. Is there a ...
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2answers
3k views

Script to count number of times a file has been accessed

Under Linux, is it possible to write a script that can count the number of times a file has been accessed in the local file system, and by whom? How would I monitor such a thing and create a log if ...
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2answers
4k views

exit code 128, what's the reason?

As per definition exit code 128 means 'invalid exit argument'. But i always get 255 (Exit status out of range) in case argument is invalid like float number. Is this the proprietary implementation ...
4
votes
1answer
849 views

Can't aim command line at one of multiple running instances since upgrading to Firefox 9

Upgrading from Firefox 8 to Firefox 9 on Linux (Ubuntu Lucid) broke a feature I use often: Running multiple instances, then aiming command line Firefox at a specific running instance. Any ideas on ...
0
votes
1answer
767 views

Replace failing hard drive on Linux server

I'm working with a Linux server with a failing drive, and am interested in the best/easiest way to transfer the existing data onto a new drive, and reboot with the new hardware. The server is running ...
0
votes
1answer
592 views

Best floating point solution for bash script?

I use bash calculator for floating point calculations and I have to use input redirection and backtick (`) symbol in scripts. As normal bracket $[math operation] and expr doesn't support float ...
2
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2answers
2k views

Determine when Linux lost power

I returned from a trip and noticed that my apartment had lost power. I am currently running a small Linux server (Ubuntu 8.04) and had to boot it back up. Is there a way to read some log and see ...
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vote
1answer
2k views

Error mounting Arch Linux NFS share on Windows 7 Ultimate

I'm trying to mount an NFS share over a LAN: Server: Arch Linux x64 Client: Windows 7 Ultimate x64 The server already successfully exports NFS shares to other Linux machines, so I'm pretty sure it ...
1
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1answer
2k views

Linux expert command - where should I enter?

I need to enter "Linux expert" at the boot prompt. I've centOS6.2 DVD but I'm not sure where exactly should I enter this & when will I get the boot prompt? I put the DVD & rebooted & it ...
2
votes
3answers
25k views

Can't connect with putty to a Linux server

I can't connect with Putty to a Linux box. In the putty log I only get 3 lines and the last line is "Server unexpectedly closed network connection". FTP and ping to the Linux box works. Putty is ...
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3answers
2k views

Can Linux scrub memory?

Does Linux have a mechanism to "scrub" memory? e.g. testing the memory and marking areas as dirty if they fail so that the system can continue to operate "safely" even with bad ram chips installed?!
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1answer
713 views

Linux shell script: copy a (text) file and replace a token with a path

I need to create a text file where parts of it should be replaced by any arbitrary path. I wanted to do that by copying a template file and then replace a special pattern, e.g. ${MY_PATH} with the ...
1
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1answer
766 views

Second ping within 30 seconds of the first always fails

I ping a host: $ ping 8.8.8.8 PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data. 64 bytes from 8.8.8.8: icmp_req=1 ttl=47 time=53.8 ms 64 bytes from 8.8.8.8: icmp_req=2 ttl=47 time=54.2 ms 64 bytes from 8....
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1answer
206 views

Link Linux file path to a command

I would like to link the path to the file /opt/lampp/lampp to the word lampp in openSUSE. So I can simply type lampp start instead of /opt/lampp/lampp start Is this possible? If so, how?
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3answers
1k views

How do I administer /var/www?

I'm new to Linux and I'm trying to setup a small testing server inside of a VM running Ubuntu Server. I've found the /var/www folder and it should be the one where my Apache documents are stored, in ...
1
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1answer
346 views

Why does writing large numbers of files to Truecrypt device cause splicing file error?

Using Linux, I have a whole backup partition encrypted with Truecrypt. I've been using this device for more than a year. Sometimes (but not always) when I copy large numbers of files to the ...
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0answers
662 views

linux installation blinking screen

On a new desktop, I have just installed a copy of netinst debian squeeze, however during startup boot, I choose to enter linux but all it showed was a black flashing or blinking screen, and nothing ...
3
votes
1answer
893 views

Multiple .bashrc.save in my ~/home/user/

I noticed that in my home folder I have multiple .bashrc.save files. Why the system save them? It is normal or I have to disable something? Specifically I have .bashrc .bashrc.save ....
1
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1answer
793 views

Desktop unable to boot automatically. Need to manually select boot device everytime

I have an Intel i5 2500K processor, Intel® Desktop Board DH67BL and 500GB SATA drive. Earlier I had another hard disk with OS installed on it as well as current hard disk. Now when I formatted the ...
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4answers
966 views

How to alter output from the 'who' and 'w' command?

I don't want my users to see each others ip's/login info so I want to alter the output when they use the 'who' and 'w' commanda to hide that info - is there a way to do this?
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2answers
383 views

Any recommended ultra low memory linux servers [closed]

I'm looking for a ultra low memory linux server to only serve FTP requests. CPU and disk space is not an issue. Any good recommendations? EDIT This is for a office FTP server. We already have a ...
4
votes
3answers
4k views

“less” (linux) get/go-to X offset in file

I open a big file with this command: less +G /var/log/blah/file.log Now when I find the desired info I'd like to know its exact offset in this file, so later I can open that file again and return to ...
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2answers
538 views

How to Boot Linux OS from USB drive?

I have a PC but CD Drive is bad so not working and USB ports are working. I want to install Linux Os from my USB pen drive. How can I do that ? if any one know then reply me. thanks
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4answers
3k views

How do I extract all the external links of a web page and save them to a file?

How do I extract all the external links of a web page and save them to a file? If you have any command line tools that would be great.
3
votes
1answer
1k views

Random Delay during SSH login

When I try to log into remote linux (ubuntu) machines from my MacBook Air (10.6), I get about a 4-5 second delay each time before I get promoted for the password. Verbose yields the following: :~ ssh ...
3
votes
2answers
2k views

How to extract all pages of one big pdf file?

I need a tip how to extract all pages from big pdf file in command line. Someone can help me? Thanks
0
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1answer
474 views

No audio after installing ubuntu 11.10 & low screen resolution

I recently installed Ubuntu 11.10. I was using Windows XP earlier. After installing, when i tried to play music, there was no audio. Also the maximum screen resolution is 1024x768 while in XP it was ...
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0answers
97 views

Make application launcher search for apps in a particular folder?

Everytime I want to run an application with Application Launcher (Alt+F2) in my Ubuntu, I have to make a link to that app and put it in /usr/bin folder, Application Launcher won't search in the folder ...
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3answers
199 views

Small hardware for linux? [closed]

Can anyone recommend some hardware which meets the following criteria: USB port (more than 1 would be handy but an USB hub could always be used) Suitable for running a reasonably small linux ...
26
votes
5answers
90k views

OpenSSL missing during ./configure. How to fix?

I was trying to install node.js and found OpenSSL support missing during ./configure. How can I fix it? Is it a mandatory step? Would the --without-ssl option fix the problem? # ./configure ...
3
votes
1answer
2k views

How to use a different key for Vimperator's hint function (remap)

I'm wanting to change the key from f to something else for Vimperator's key function. I'm guessing I use a similar code to this one: :map <whateverkeyiwant> <hint> But the thing is, <...
1
vote
3answers
235 views

Can installing Linux or Grub make all of my operating systems slow?

I installed Linux Mint 64-bit recently but it freezes up all the time. Not only that, but Grub wouldn't detect Windows. I thought it was just an issue with Linux Mint so I booted into Ubuntu - ...
0
votes
1answer
306 views

Follow-up: restoring Time Machine backup directories (recursively) with Linux

This example gives directions on how to restore a particular file, but does anyone have experience restoring full directories on Linux from a Time Machine backup store? How should these instructions ...
0
votes
1answer
554 views

Installed ATI Proprietary driver, can't get 3d acceleration

Using the guide: http://wiki.debian.org/ATIProprietary I did the following steps: 1) aptitude install --without-recommends linux-headers-$(uname -r) 2) aptitude install fglrx-control fglrx-driver 3) ...
1
vote
1answer
322 views

GNU/Linux substitute for the Windows-based TreeComp tool

I miss the TreeComp tool from Windows on Linux. Does anybody know about a similar tool for Linux? I've tried Unison & Unison-gtk (slow and cumbersome), diff (various), meld, mc, rsync (immensely ...
6
votes
1answer
538 views

Linux: which is “most appropriate” directory to place an exectuable for all users?

A bit of newb question.. I usually install packages and don't worry about these things. But, now I have a one file executable CLI program (Kindlegen from Amazon). I want it to be in the path of all ...
2
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1answer
3k views

Linux driver for Linksys AE1200 USB wifi dongle

Recently purchased a Linksys AE1200 USB wifi dongle to use with my debian box for setting up a wifi AP. Unfortunately it doesnt seem to work out of the box and I cant seem to find any Linux drivers ...
4
votes
1answer
2k views

Permanently Disable Dell Latitude 2120 Touchscreen in X.org Upon Start-up and Suspend/Restore

In the spirit of full disclosure, below is the background, tl;dr: I am running Lubuntu Oneiric and I want to disable my borked touchscreen, running it on X.org start-up works but suspending the system ...
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2answers
8k views

Install CentOS 6.2 on external USB portable hard drive?

I've Windows XP installed on my laptop. And I've external 80 GB drive which I usually connect to my laptop through USB. I want to install CentOS 6.2 on this external drive & it should also boot ...
8
votes
5answers
10k views

Linux file system for a big file server

I would like to know, from more experienced people, what would be the best choice of file system to use for a file server having more than 20TB of hard disks. Personally I always used EXT3 (back in ...