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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8
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2answers
6k views

How to see if USB stick has MBR?

I have a USB stick supposed to be bootable, but the computer does not boot it. I suspect that there is no MBR (Master Boot Record). How do I test if this is so, preferably from command line in ...
2
votes
1answer
287 views

How to safely zero fill a file in a compressed filesystem in Linux?

I had read that the shred doesn't safely work for compressed filesystems when shredding a file, how this can be accomplished in a compressed fs ?
1
vote
1answer
4k views

Limit user access to home folder in Linux [duplicate]

Possible Duplicate: Limit every user to his own home folder only I have a web server running 10.04 LTS and as a newbie in the world of server administration, I'm in a bind. I would kindly ...
2
votes
1answer
906 views

interpreting stty output to start connection with hyperterminal

I am trying to communicate between an embedded device which runs linux and a PC which runs windows xp over a RS232 connection. On windows I use Hyperterminal, but I don't know which settings I should ...
1
vote
2answers
157 views

How is this operating system switching done?

There* is demonstrated switching between multiple running operating systems on the beagleboard. There's also little info on their wiki here. I wonder what technology are they using for that.. It ...
0
votes
2answers
846 views

How to ssh linux when the shell is changed or crashed, but still need to have access remotely?

I have remote location Linux running (CentOS 6.0). It has dynamic ip address so i installed noip2 service and copied the file cp redhat.noip2.sh /etc/profile.d/noip.sh. Here you can see the noip.sh ...
0
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0answers
3k views

Linux based alternative for “PC Share Manager” for SAMSUNG TVs

I have 2 samsung LED TV-s and I am trying to get my linux server at home to stream my media to the TVs. I am looking for a solution for DLNA media streaming on a linux server to samsung LED TV, there ...
0
votes
1answer
1k views

java: command not found after installation

I have installed Jre in my CentOS by following instruction here Installation But the problem is each directory or file contains the "*" (asterisk) at the end of file name or directory even though ...
-2
votes
4answers
349 views

choose between df and du in linux

I need to check the used space in some folders, and I need it to be fast to check because it will be inside a script. Which command should I use, "du -h" or "df -h"??
0
votes
1answer
491 views

How can I install MySQL server on Debian Linux while offline?

I'm a Linux newbie. I want to install mysql-5.5.15-linux2.6-x86_64.tar.gz on a Debian box offline without using the apt command. How can I do this?
0
votes
1answer
464 views

Cannot add key to kernel keyring

I have an encrypted folder that I want to decrypt (using ecryptfs). I went over all the standard procedures mentioned here. Everything seems to go well (getting passphrase, then adding it a keyring ...
2
votes
2answers
1k views

startx script commandline to start VirtualBox VM on separate X server

I am trying to start a VirtualBox VM on a separate X screen (in fullscreen) so I can switch between Linux and Windows XP by doing Ctrl + Alt + F<. I am basically trying to do something like this: ...
0
votes
1answer
28 views

How do I know if the version of Linux as well as distribution of Linux I am running uses xinetd?

Is there a specific file I need to check or is it a process I need to be looking at? If I am running inetd, do I need to disable it and run xinetd instead?
1
vote
1answer
98 views

Nautilus popping up after inserting USB stick in KDE

I am using Debian testing with KDE 4.6.5. However, when I insert my ubs stick, on top of the expected kde response I get a Nautilus window popping up (which is the Gnome file manager). How can I ...
2
votes
2answers
333 views

How to send a large file securely?

I need to send large files from a Linux machine to another using cryptography. The sender machine knows the recipient IP but not vice-versa. I don't need strong cryptography and prefer higher-speed ...
0
votes
1answer
147 views

Does the non-printing characters escape characters still needed for PS1 definition?

While modifying the definition of my PS1, I saw that "\[" and "\]" markers should be added to help bash to compute the right display lenght. Many exemples on the web do not use them or even mention ...
0
votes
1answer
267 views

Dynamically change desktop background from bash script

Is it possible to change the GNOME desktop background during some period of time by just a random phrase from the list on black screen? Will is seriously load the CPU and consume battery life?
1
vote
1answer
278 views

Intermittent Internet With Ubuntu Natty

I'm having a bit of Internet trouble with a fresh install of Ubuntu Natty and I haven't been able to track down the problem. I have my desktop running over a wireless network, which connects without ...
3
votes
3answers
296 views

When is the data in the journal written to the disk?

(1) mentions that "With a journal the file is first written to the journal, punch-in, and then the journal writes the file to disk when ready. Once it has successfully written to the disk, it is ...
2
votes
0answers
119 views

Error in Abiword on Linux server

I've installed Abiword on my server but whenever I try to convert a document I get the following error: ** (abiword:13263): WARNING **: Unable to open an iconv handle from codepage 0 -> UTF-8 ** ...
2
votes
1answer
801 views

Acer Aspire 5552 RF-kill in Linux = broken. No Wireless

So, I want to install Linux on my laptop. I started with Arch... but 4 hours later, I'll take anything... so now I'm trying Ubuntu. It appears that the keyboard function button that corresponds to my ...
0
votes
3answers
383 views

CentOS filesystem size expansion?

When I tried to download packages from Windows to my CentOS VM it said I have insufficient space on my filesystem. When I checked it it had only 5.4mb left while I've set the VM space limit to 30GB. ...
3
votes
1answer
2k views

Setting up Seagate Goflex on Ubuntu

I have a Seagate Goflex external hard drive. When I plug it in it has set up files for Mac and Windows, but I'm new to Ubuntu and do not know how to set it up on here. How can I go about doing this?
12
votes
4answers
44k views

Missing eth0 Ethernet interface in Ubuntu — can't connect to router

I'm having trouble getting my Ubuntu 10.04 machine (Sony Vaio VGN-SR490) to connect to the Internet by way of an Ethernet cable connected directly to my router. I'm able to connect to the Internet ...
1
vote
1answer
364 views

git fails to clone linux kernel

I tried to clone the linux kernel but it fails with the following output: ... remote: Counting objects: 2134058, done. remote: Compressing objects: 100% (334223/334223), done. Receiving objects: 100% ...
3
votes
1answer
873 views

Understanding battery information

My laptop is Lenovo T400 and OS is Ubuntu 10.10. Here is information about my battery: $ cat /proc/acpi/battery/BAT0/state present: yes capacity state: ok charging state: ...
0
votes
1answer
142 views

Error after modifying sources.list

I modified sources.list and now it wont load. I took everything out except for the first line and it still errors out. Any ideas based on it's output? sources.list: deb ...
0
votes
1answer
68 views

CLICompanion equivalent for rpm-based linux?

There's a nice program for linux terminal beginners - CLICompanion - terminal with tips and dictionary. It's distributed only with deb packages. I'm just wondering if there's rpm package for this ...
1
vote
2answers
3k views

How to build IVR with usb modem using asterisk?

I have a USB 3g modem, which also supports voice calling, I want to implement IVR ( Interactive Voice response) with it on linux, Can I do it with Asterisk? If yes, then please help me on how to do ...
1
vote
3answers
1k views

Linux get single bandwidth usage sample

What I want to do is to write a script that gathers some information (like cpu temperature and bandwidth usage) and logs it into a file. I can't figure out how to get a single sample of the current ...
2
votes
2answers
766 views

How to make stunnel reload certificate files without restarting it?

I have a server with stunnel, to which clients connect. Each client has it's own self-signed certificate, and copy of that certificate lies in CApath directory on the server - so I am in control of ...
0
votes
1answer
603 views

Linux (All distributions) completely freeze [closed]

My system completely freeze after a random time. I don't know when this happens but on average every hours. The mouse doesn't move at all. Strangely the "restart" button on my computer doesn't work ...
0
votes
1answer
86 views

I can't define whether graphic cards are working or not.

I use the command lspci -vnnn | grep VGA and the output is 00:02.0 VGA compatible controller [0300]: Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 18) (prog-if 00 ...
4
votes
1answer
477 views

In Linux, why does my battery last only 4 hours instead of the usual 10?

I decided to switch from Windows 7 (10 hours of battery work, suspend/hibernate modes work great - Asus U36Jc) to some Linux. First there was Ubuntu 11.04 (with all current updates) – 4 hours ...
0
votes
2answers
307 views

How to know the program that's dumping the core?

I am seeing cores dumped in a particular directory continuously. I am sure there must a script that's continuously starting a process which is core-dumping and dying. But, how can I find which process ...
1
vote
1answer
492 views

Two finger scroll registering as click event with java apps on Macbook 2,1 running Linux

I was using Moneydance, a java-based application and when scrolling through an Income/Expense report with two fingers via the trackpad, many windows popped open. This is the same behavior as double ...
1
vote
0answers
224 views

Linux: X11 is using up 50% of one of my CPUs and lagging terribly

I have been running my Ubuntu Linux Machine recently on powerful hardware (much more powerful than my last machine at any rate) and I have noticed that after some time all of a sudden X11 starts to ...
1
vote
1answer
3k views

Fix bad superblock on logical partition

I was following http://www.howtoforge.com/linux_resi...xt3_partitions and when i reboot and run: root@Microknoppix:/home/knoppix# fsck -n /dev/sda7 fsck from util-linux-ng 2.17.2 e2fsck 1.41.12 ...
6
votes
1answer
3k views

Linux: Use NVIDIA and ATI cards in the same computer

I've got the following graphics cards installed in my computer: $ lspci | grep VGA 01:00.0 VGA compatible controller: ATI Technologies Inc Radeon HD 4770 [RV740] 03:00.0 VGA compatible controller: ...
1
vote
0answers
5k views

How to set permission to ftp-user so that has FTP access to /home/another-user/www/public_html folder?

I'm a novice with Linux/Unix. Basically I'm attempting to setup a Web server, and FTP server on a Linux box via SSH. My plan is to have Apache's root folder inside the main user account like ...
5
votes
1answer
1k views

Is it safe to put harddisks of a md-software-raid to standby?

I have a home-fileserver with 6 desktop harddisks in a md-raid. The server isn't accessed a lot, so I think it would be good for the harddrives to go in standby-mode after some idle time (e.g. with ...
0
votes
1answer
681 views

How to connect HDMI camera to Linux?

In fedora or centos linux is it possible to connect HDMI camera to HDMI capture device ( http://www.blackmagic-design.com/products/intensity/ ). And get the video for playback from Linux? Or still ...
0
votes
1answer
622 views

How to build a linux distribution based on ubuntu/debian/mint easily?

Is there a tool or tutorial to build a distro based on mint/ubuntu/debian? Git, scripts, and tools, small compilations for branding are OK. Compiling kernel, x11, gnome, compiz, etc. is BAD unless ...
0
votes
2answers
2k views

Permission denied linux mail command

I ran a simple command "mail" on my Suse Linux 11.1 box and it's display "/var/mail/john: Permission denied" I had two users, john and peter When I login as peter and ran "mail" it display the same ...
1
vote
2answers
680 views

Are side tabs available in Chrome on Linux?

I've been searching around for this for a while now, and various sites claim different things, so I'm hoping to get a clear answer here: Is the side tabs/vertical tabs feature available in the Linux ...
1
vote
2answers
5k views

How do you search for specific text in specific file types? [duplicate]

Possible Duplicate: How can I grep in source files for some text? What's the command to search for specific text in specific file types, recursively, under the current directory?
2
votes
2answers
5k views

Setting environment variables permanently under GNU-Linux systems

I was using the command export, but it looks that after some time the set variables disappears. What is the easiest way of setting an environment variable forever? Thanks
0
votes
2answers
869 views

Are there any HD cameras with Pan/Tilt/Zoom features supported in Linux? [closed]

Answered: How to connect HDMI camera to Linux? I have tried a few cameras such as the Bullet HD. I was never able to make it work in my CentOS, Fedora, I returned their product finally, it ...
0
votes
2answers
2k views

coredumps don't work after enabling them in /etc/security/limits.conf on Debian

I have some init scripts that launch some daemons that I wrote. I want Linux to generate a coredump anytime something crashes. I activated coredumps in /etc/security/limits.conf by adding the next ...
2
votes
4answers
565 views

How to shred already removed file on modern filesystem? (randomize free space, journal, tails, … securely)

Consider the following: mount | grep home ... type reiserfs ... rm -Rf /home/user/over_9000_little_and_big_super_secret_files/ # oops, I should have shredded it instead. How can I properly and ...