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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VirtualBox: how do I install a specific version of Ubuntu?

I'm really new to VirtualBox (and server stuff generally). I'm using VirtualBox on MacOS and I need to install version 10.0.4 of Ubuntu. The setup for VirtualBox only allows you to specify Linux > ...
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222 views

Start movie playback on asys O!Play over telnet

I hope this is the correct stackpage to ask this question. I have an asus oplay mediaplayer next to my tv which offers a telnet interface. Now i have built a nice app that indexes my media library ...
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1answer
271 views

MySql replication not working properly on Ubuntu Lucid Lynx server

I have two Linux boxes. On the master following is the configuration file (my.cnf) log-bin = master-bin log-bin-index = master-bin.index binlog-do-db = test_db server-id = 1 master ...
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421 views

Adding udev for embedded linux

I am using an arm processor and linux busybox as my OS. I want to add udev running in my system. The system has mdev. But doesn't seem to fulfill my need. How can I add udev for my system? thank you. ...
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434 views

iptables drop fake ip packets

I'm trying to drop all packets from the internet that use a fake ip address so they appear to come locally. Do I need both lines or only the first ? --append INPUT ! --in-interface lo --source ...
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1answer
73 views

Linux mainline contains all the Xen code bits for Dom0 and DomU support

What does this mean?: "Linux mainline contains all the Xen code bits for Dom0 and DomU support" does this means that I don't have to install a XEN kernel if I want to use it? Are there any updated ...
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1answer
661 views

How to limit the upload/download of a program already running (A process)?

I have already tried trickle and wondershaper. I need a program that can limit the speed of download/upload of an already running program. Similar to the how NetLimiter in Windows limits already ...
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1answer
1k views

Allowing multiple simultaneous rsyncs to play nice together

Each day I need to copy N files from a source location to a mirror at a specific time (where N is very large). Let's say I tell multiple CPUs to each run an rsync simultaneously on a subset of the ...
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1answer
597 views

Debian often reboots halfway through resume from suspend to disk (hibernate)

I'm on a Lenovo ThinkPad W510, using Debian Squeeze but with the Kernel and acpi-related packages from testing (this was necessary to make hibernate work in the first place). When I hibernate my ...
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824 views

Setting up a Remote Diskless System

I am trying to setup a PXE Boot server with RHEL 6 and am following these directions. Has anyone done this successfully?? I am having various issues. I used the rsync command to copy over the ...
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491 views

Emulating a network switch as software on Linux

I am doing my project on network virtualization on cloud computing. I am going to implement a testbed for the cloud environment and measure the performance of cloud services in a virtualized network. ...
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2answers
425 views

Elegant solution for streaming media from home server

I recently moved (~65mi). I have all my files on my Linux Server at home. I want to find a way to have 2 Ubuntu Workstations (at my office/apartment) and Laptop to all be able to stream my media from ...
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249 views

can't boot after upgrading kernel to 2.6.38-9

Just upgraded to 2.6.38-9 on Ubuntu 11.04 and rebooted immediately after. It gets as far as the ubuntu logo on the purple screen, then after a moment switches to a black screen with boot status ...
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1answer
1k views

Ubuntu xrandr rotate issue

I've just bought a second monitor for my PC which happens to be a pivot monitor. I've already read lots of forums related to my problem but haven't come across a solution - I have the same symptoms as ...
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1answer
322 views

Syncrify and SSL support

I installed the Syncrify server and client on a Linux box. From what I've read on their site, Syncrify comes with a built in self-signed SSL certificate. However after setting the SSL port on the ...
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2answers
1k views

How to change root device?

I want to be able to change the root device, say from sda to sdb, so that I am able to remove sda. I don't believe this is possible with chroot, as I am changing the root folder to a mount point that ...
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52 views

Discrepency between df and du? [duplicate]

Possible Duplicate: Difference between df -k and du -sh The problem: I receive messages that I cannot write to disk. The symptoms: df -h Size 17G Used 17G Avail 0 Use% 100% Mounted ...
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1answer
122 views

Screensaver fine-tuning? (Gnome Linux)

I'd like to know if there's any way to disable a screensaver and re-enable it automatically after I'm no longer watching the movie or tv show. Also, can I disable the screensaver when flash (or, ...
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1answer
1k views

problem with Virtualbox bridged networking internet access

I installed Virtualbox on Ubuntu and windows xp as geust i have adsl connection in my ubuntu in Nat i have internet but in bridge case i dont have internet in bridged networking i could ping winxp ...
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160 views

VM Host Windows VNC Client isn't finding VM Guest Linux VNC Server … why?

I have a Debian 6 guest (VirtualBox) sitting on a Windows XP host. In Debian I've configured tightvncserver. In Windows XP I've installed TightVNC client. On Debian I do the following: $ sudo ...
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1answer
308 views

lsof get traffic size with server

I have a server can I use lsof to find on a specific port the amount of traffic passed with servers? I used so far this in order to sort by highest size, but what info to i really get? how can I know ...
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5answers
1k views

How to use sed on Linux to get values from file name?

How can I retrieve every portion separately from the following file name? DSA4020_frontcover_20346501_2011-05.doc I want to retrieve the information as below: name = DSA4020 type = frontcover id = ...
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1answer
419 views

how to make Dell powervault 715N to boot linux OS(Zentyal/pfsense) using hard disk instead of PXE?

All the question is about Dell powervault 715N. as my research installing/booting linux OS(Zentyal/pfsense) in is possible using PXE but is it possible to boot from hard disk as i using UNetbootin to ...
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3answers
2k views

iptables restrict ssh session by mac address

I'm in the process of restricting access to my Linux production box, where ssh access needs to be limited to only a few MAC addresses. I've followed the instructions outlined in this guide and ran ...
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291 views

Lots of fun problems with RAID and SATA controllers

I bought a used 3ware raid card off of ebay a few months back and set up four 1TB caviar blacks in RAID5. The hardware raid could only manage about 5MB/s writing without write caching, and I don't ...
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362 views

Linux - Whitelist hardware devices

For security purposes, is it possible to have the operating system enforce a whitelist of hardware devices? This means that plugged in devices that are not in the whitelist will be ignored at an as ...
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147 views

Inaccessible SVN repository

I have a problem accessing my SVN repository. After re-booting my Linux host, my SVN repositories on that host are in-accessible. Although I can create new repositories on that host with the svnadmin ...
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2answers
1k views

how to limit resource in Linux

I've posted a question about this few hours ago on Stack Overflow: Linux bash inline command to execute a program and limit the resource As I know, to limit the resource I can use ulimit ...
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2answers
1k views

how to install xdebug in Linux Mint?

how to install xdebug in Linux Mint?
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1answer
1k views

permission denied while copying files with root

Ok, how is it possible that I get perm denied when I'm copying files in console. Any ideas?
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1answer
361 views

How create linux-libc-dev package when I compile ubuntu kernel?

I've compiled the last stable ubuntu kernel (2.6.38-...) following this guide: How to compile a Ubuntu 10.10 kernel but in this guide doesn't explain how create linux-libc-dev package for that kernel? ...
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1answer
727 views

Recovering files from a failed ext4 partition resize

I didn't know a resize operation on a 750 GB disk was going to take 40+ hours, and I was biting my nails the whole time, until the power went out when "only" 8 hours where left... I can still mount ...
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1answer
174 views

ImageMagick command sometimes fails

I have an ImageMagick command that is something like this: convert "/path/to/photo" -set comment "(c) my company" -resize WxH miff:- | composite -dissolve 30 -geometry +40+138 -quality 80 ...
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657 views

UNIX ZIP command produces a corrupt zip file

On my openSUSE machine, I am trying to zip some big files (some GBs of magnitude) using the built-in ZIP command from UNIX. However after the compression is done, I've tried to test if everything was ...
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1answer
177 views

There is Trac, there is Babel, but I don't see “language”

I've installed on a Debian system Trac 0.12 (thanks to easy_install install Trac 0.11, but I want 0.12 ) and know I want to get the localization (for French). So I've installed Babel, but that ...
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1answer
107 views

Channelling processing power from Linux servers over a gigabit LAN to Macintosh system

As you may know Apple offers a program called Xgrid for sharing processing power between Macs. It also allows for easy clustering. Is there a way to channel processing power from Linux nodes over a ...
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632 views

Running a shell script in a web server as if it was interactive

I have a shell script (csh) - I didn't write it so I can't change it now. The script does a lot of parsing of log files, calls other scripts in languages like Perl and Tcl, creates new files and calls ...
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1answer
1k views

Run Java Project from Ubuntu Terminal?

I have a small java project that handle connections. In order to run it from the terminal I have to cd into the folder that contains the source and run the following command: java -cp classes ...
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1answer
185 views

Backup several computers to single Computer in network

I am currently trying to figure out what's the best way to backup several PCs (about 5 computers each with Windows 7) from my family. As I want the same solution for all Computer - I set up my old ...
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1answer
567 views

Run xscreensaver whenever the lid is closed

How can I run xscreensaver whenever the lid is closed? I'm running Ubuntu 10.10 with the awesome window manager.
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1answer
2k views

UNIX home folder permissions - no access for other users

I'm running a Linux server at home, and I did just have my own username (javawag) with a www folder inside it for my website. However, I've since added a subdomain for my friend, who now has his own ...
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1answer
176 views

Information about linux permissions

I have created a user and a group named the same (lighttpd:lighttpd) Now I have to start the lighy server with these user:group... ok Now, I have added a website (vhost) to run with lighy, it works ...
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2answers
1k views

Ubuntu 11 Beta 2 update to RC and then Final

I want to install Ubuntu 11 in its latest state (Beta 2)....but I don't want to reinstall everything when the Final comes out. Can I update it from Beta 2 without reinstalling everything from a ...
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1answer
1k views

Stuck in Grub recovery after Linux Mint install

Every time I try to install Linux Mint XFCE my laptop freezes on removing the live packages, which happens just before the installation of GRUB2. However: I've managed to manually install GRUB2. ...
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1answer
747 views

How to connect my Linux netbook (BCM4313) and Windows XP (Ralink USB) wirelessly?

BCM4313 is handled only by staging brcm80211, Windows XP cannot into master mode. Master mode on netbook (with brcm80211 driver) don't work: hostapd can't start, airbase-ng works only in one ...
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1answer
169 views

Bash Prompt Loses Characters

After writing a new prompt for Bash, I noticed that one character of my commands were being lost when it wrapped to the new line. Here is an image of the example (I typed 1234567890 over and over): ...
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1answer
424 views

RPM + rpm installation (not create directory according to SPEC)

I need advice about the following I build simple spec file and build rpm I transfer the new rpm to other Linux machine in order to install the new rpm according to the spec file the new rpm -> ...
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928 views

pulseaudio, external usb soundcard too low volume [closed]

The jack plug on my built-in sound card in my notebook doesn't work so I have to use an external one via a USB port. Since I bought it I only used Windows and it worked fine, but when yesterday I ...
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2answers
454 views

Drive not recognized by linux when launched from qemu

I'm attempting to boot a linux kernel, ramdisk, and a drive using qemu: qemu -initrd ramdisk.cpio.gz -kernel mylinux.i686 -m 1024 -append console=ttyS0,38400 -serial file:serial.out -hdd raw.img ...
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457 views

Which are the best file-systems/mount-configuration for each folder on GNU/linux?

One of the good points of Linux is that is easy to customize the partitioning scheme of the disk and put each directory (/home, /var, etc) in different partitions and/or different disk. Then we can ...