192.168.0.1) > "Įcho "Enter the name of the UML machine or press CTRL+C to abort:"Įcho "The base system seems to be already downloaded. I made the following shell script (download: create_uml):Įcho -n "IP address of the UML machine (e.g. Ln -s /etc/init.d/uml-bridge /etc/rc6.d/K99uml-bridge Ln -s /etc/init.d/uml-bridge /etc/rc5.d/S99uml-bridge Ln -s /etc/init.d/uml-bridge /etc/rc4.d/S99uml-bridge Ln -s /etc/init.d/uml-bridge /etc/rc3.d/S99uml-bridge Ln -s /etc/init.d/uml-bridge /etc/rc2.d/S99uml-bridge Ln -s /etc/init.d/uml-bridge /etc/rc1.d/K99uml-bridge Ln -s /etc/init.d/uml-bridge /etc/rc0.d/K99uml-bridge To set up the bridge automatically at startup, you have to create some symlinks: If you get some errors, try to run the script with the -v option. Put the script into /etc/init.d/uml-bridge or something similar and run it: Remember to adjust the settings at the beginning of the script. Test `echo $ITMP | grep ':'` || IUSER=rootĮ ifconfig $HOST_IFACE $HOST_IP netmask $HOST_NETMASK up # for instance you have two UMLs, the first runs as user 'tom'Į ifconfig $HOST_IFACE 0.0.0.0 promisc upĮ ifconfig $UML_BRIDGE $HOST_IP netmask $HOST_NETMASK up
# the syntax of UML_IFACES is as follows: You can use the following script to set up networking on the host (download: uml-bridge) - the script is basically from : Make sure this user can write to /dev/net/tun: Make sure you have the following options set in the kernel:Ĭreate a new user uml and add it to the group uml-net (the group should be already created).
# apt-get install wget user-mode-linux uml-utilities bridge-utils debootstrap realpath You don't need to download UML from because it's in APT: This text describes how to install Debian GNU/Linux ( ) inside of itself with User-Mode Linux ( ). It uses an updated URL to the Debian tarball (Wheezy) and adds the creation of the root password. Update 21.04.13: You can find an updated create_machine script on thanks to Martin N.
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