cd mdk3-v6
root@kali:~/mdk3-v6# make
make -C osdep
make[1]: Entering directory '/root/mdk3-v6/osdep'
Building for Linux
make[2]: Entering directory '/root/mdk3-v6/osdep'
make[2]: '.os.Linux' is up to date.
make[2]: Leaving directory '/root/mdk3-v6/osdep'
make[1]: Leaving directory '/root/mdk3-v6/osdep'
root@kali:~/mdk3-v6# make install
make -C osdep install
make[1]: Entering directory '/root/mdk3-v6/osdep'
Building for Linux
make[2]: Entering directory '/root/mdk3-v6/osdep'
make[2]: '.os.Linux' is up to date.
make[2]: Leaving directory '/root/mdk3-v6/osdep'
make[1]: Leaving directory '/root/mdk3-v6/osdep'
install -D -m 0755 mdk3 //usr/local/sbin/mdk3
root@kali:~/mdk3-v6# chmod 755 /root/mdk3-v6/*
root@kali:~/mdk3-v6# /root/mdk3-v6/mdk3
bash: /root/mdk3-v6/mdk3: No such file or directory