Shutdown ASLR in Linux

/proc/sys/kernel/randomize_va_space

echo 0 > /proc/sys/kernel/randomize_va_space

cat  /proc/sys/kernel/randomize_va_space

echo 0 | sudo tee /proc/sys/kernel/randomize_va_space
echo 0 | sudo tee /proc/sys/kernel/exec-shield

for compiler switches:

-fno-stack-protector -z execstack -mpreferred-stack-boundary=2