Help! GCC compiling error:arm-linux-gnueabihf-gcc:not found

I'm doing gcc compiling on ubuntu according to the tutorial:my_first_hps. jungu@ubuntu:~/altera/14.0/embedded/my_first_hps$ arm-linux-gnueabihf-gcc /home/jungu/altera/14.0/embedded/ds-5/bin/a...