Kevin Deldycke 🪒 Professional Yak Shaver

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 …

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 …

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 …

This little article describe how to setup an automatic backup procedure to a remote machine via the rsync tool.

Prerequisites¶

• A distant server, where backup will be stored (homeserver.com in this case),

• A user account on this server (mine was kevin),

• A ssh deamon running on the server that …

Cet article explique comment créer un espace de stockage redondant et fiable en utilisant du matériel grand public et bon marché. Cela est possible par la combinaison de Linux, des mécanismes RAID logiciel et du gestionnaire de volumes logiques LVM.

Mise à jour: Le but initial était d’utiliser des …