After install GNS3, you need to install patched qemu to run virtualized hosts to integrate with your Lab.
First Qemu Patch/Compilation part
1- Install Dependences
# yum install -y ncurses ncurses-devel zlib zlib-devel SDL SDL-devel libpcap libpcap-devel wget
2- Download and patch Qemu
# cd /opt/ # wget http://download.savannah.gnu.org/releases/qemu/qemu-0.11.0.tar.gz # tar xvzf qemu-0.11.0.tar.gz # cd qemu-0.11.0/ # wget http://downloads.sourceforge.net/gns-3/qemu-0.11.0-olive.patch?download # mv qemu-0.11.0-olive.patch?download qemu-0.11.0-olive.patch # patch -p1 -i qemu-0.11.0-olive.patch # ./configure --target-list=i386-softmmu # make # make install
Second Configure Qemu
set qemu path: /usr/local/bin/qemu
and qemu-img: /usr/local/bin/qemu-img
then click on “test settings”
Troubleshooting section
1 – “/bin/ld: vl.o: undefined reference to symbol ‘timer_settime@@GLIBC_2.2” Problem:
Issue is solved by editing two files, Makefile and Makefile.target by adding
LIBS+=-lz -lrt -lm
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