Articles

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‚Äôs CD-Rom in qemu with previous disk image as primary HDD:

    $ qemu -cdrom /dev/cdrom -hda …
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Remote Backup with rsync

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 ‚Ķ

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