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Setting up the root filesystem
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-----------------------------
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1. If you desire, edit this file to your preferences.
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2. Run setup in this directory:
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. setup
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Setting up a Swap File
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----------------------
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1. Run make_swapfile in this directory:
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. make_swapfile
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Getting X working
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-----------------
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1. To get X11 working you will need to get your network up. The instructions
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below assume your host (the computer you are running) has an ip of 192.168.1.4,
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a uml ip of 192.168.1.2 and a tap device ip of 192.168.1.5.
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2. If you haven't already done this, you will want to edit the
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/etc/network/interfaces file using vi. This should be self-explanatory.
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3. Load any modules required by your host system. If you decide to use
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tap, do this:
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modprobe ethertap
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modprobe netlink_dev
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4. Configure the device on your host system. Here the tap device is being
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set to 192.168.1.5 and then routed to the host 192.168.1.4:
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ifconfig tap0 192.168.1.5
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route add -host 192.168.1.4 gw 192.168.1.5
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5. The next time you start the uml kernel and boot the root_fs you will want
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to give it options like this where HWaddr (see ifconfig) belongs to your
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network device:
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ubd0=/root_fs_debian_x11 root=/dev/ubd0 eth0=ethertap,tap0,HWaddr,192.168.1.5 mem=64M
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Hint: An easier way to do this would be to use the UML box in gbootroot from
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your host computer. No .. uml doesn't work within uml. :)
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6. At this point you should be able to ping 192.168.1.4.
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Hint: Check to make sure that uml_net came bundled with the uml kernel,
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because this is what enables networking.
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6. Run startx. It will ask for your host ip number.
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That's it.
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Links:
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user-mode-linux.sourceforge.net
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Hints:
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Mount the host fs: mount -t hostfs none /mnt
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mount -t hostfs none -o /home /mnt
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Jonathan Rosenbaum
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freeesource@users.sourceforge.net
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