1. 설치

$ sudo apt -y install checksec
$ checksec --file=/usr/bin/bash
RELRO           STACK CANARY      NX            PIE             RPATH      RUNPATH      Symbols     FORTIFY  Fortified       Fortifiable  FILE
Full RELRO      Canary found      NX enabled    PIE enabled     No RPATH   No RUNPATH   No Symbols      Yes  13              33/usr/bin/bash