(C++) Running raspbian under qemu

Running raspbian under qemu describes how to run raspbian under qemu.

Summary from [1] (see [1] for more detailed instructions):

• Download the linux kernel:\  \ ------------------------------------------------------------------------ wget http://xecdesign.com/downloads/linux-qemu/kernel-qemu ------------------------------------------------------------------------  \
• Download the raspbian .img file '2012-10-28-wheezy-raspbian.zip' (or any newer file) from http://www.raspberrypi.org/downloads
• Put the linux kernel and raspbian image in same working folder
• In the working folder, do:\  \ ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- qemu-system-arm -kernel kernel-qemu -cpu arm1176 -m 256 -M versatilepb -no-reboot -serial stdio -append "root=/dev/sda2 panic=1" -hda 2012-10-28-wheezy-raspbian.img ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------  \

Increase harddisk size

Initially, there is little disk space left on the emulated raspbian.

Solution:

• Increase the raspbian image its size by 10G:\  \ ----------------------------------------------------------------- qemu-img resize 2012-10-28-wheezy-raspbian.img +10G -----------------------------------------------------------------  \ Note that the image is resized, but its hard disk use not yet (see view)
• Start using its hard disk:  \ --------------------------------------------------------------------------------------------------------------------------------------------------------- cp /usr/bin/raspi-config ~ sed -i 's/mmcblk0p2/sda2/' ~/raspi-config sed -i 's/mmcblk0/sda/' ~/raspi-config sudo ~/raspi-config ---------------------------------------------------------------------------------------------------------------------------------------------------------  \ Select 'expand_rootfs' and raspi-config will add the resized harddisk (see view)

Error: infinite login

When following the instructions from [1] (using the newer file '2013-02-09-wheezy-raspbian.zip' from http://www.raspberrypi.org/downloads), raspbian started but looped the login: after every login, there was a new login.

Solution: use the file '2012-10-28-wheezy-raspbian.zip' from http://www.raspberrypi.org/downloads instead.

References

1. xecdesign.com's article how to setup qemu under GNU/Linux and Windows (link broken)
2. How to start using the resized harddisk