Articles


How-To Compile and Use Xvidcap

Compile Gvidcap!

Get the last stable source code archive on xvidcap Sourceforge project page or download it from the CVS:

$ cvs -z3 -d:pserver:anonymous@cvs.sourceforge.net:/cvsroot/xvidcap co -P xvidcap

Install required dependencies:

$ urpmi gcc automake libgtk+2-devel ffmpeg-devel liblame0-devel

Dirty compile:

$ make distclean [optional]
$ CPPFLAGS=-I …
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Qemu: How-To Share Network Access With the Ghest OS

Qemu Network Sharing

Create a file /etc/qemu-ifup that contain:

#!/bin/sh
sudo modprobe tun
sudo /sbin/ifconfig $1 up 10.0.2.2 netmask 255.255.255.0 broadcast 10.0.2.255

# IP masquerade
sudo echo "1" > /proc/sys/net/ipv4/ip_forward
sudo /sbin/iptables -N nat
sudo /sbin/iptables -t …
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Qemu Commands

Some useful command to help running and setup qemu…

  • Create an empty compressed 10 Go disk image (in qcow2 format):

    $ qemu-img create -f qcow2 /home/kevin/qemu-disk-image.qcow 10G
    
  • Boot on your machine’s CD-Rom in qemu with previous disk image as primary HDD:

    $ qemu -cdrom /dev/cdrom -hda …
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How-To Mount a File System Binary Image

Obtain a Binary Image

We have a USB key with a file system on it, and we want to save its content. We do a binary image using:

$ dd if=/dev/sda1 of=/home/kevin/usb_key.img

Mount the Image File

Get informations about the file system of the image …

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