서버에서 동일한 바이너리 돌아갈 수 있는 바이너리 컴파일 용도의 서버 구매

$ cat > hello.c
#include <stdio.h>
 
int main(void)
{
    printf("hello world.\n");
 
    return 0;
}
^C
$ gcc -g -W -Wall -o foo -static foo.c
$ file foo
foo: ELF 64-bit LSB executable, x86-64, version 1 (GNU/Linux), statically linked, for GNU/Linux 3.2.0, BuildID[sha1]=f98f578727e3ff09b81b9cfadfcbd626db524432, with debug_info, not stripped
$ ldd foo
        not a dynamic executable
$ strace -e openat ./foo
hello world.
+++ exited with 0 +++
 
$ gcc -g -W -Wall foo.c
$ file a.out
a.out: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/l, for GNU/Linux 3.2.0, BuildID[sha1]=5c19788e4621d5497ae411e063dbe5f31c7b8042, not stripped
$ ldd a.out
        linux-vdso.so.1 (0x00007ffe8e9ee000)
        libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f8b9e4b4000)
        /lib64/ld-linux-x86-64.so.2 (0x00007f8b9eaa7000)
 
$ strace -e openat ./a.out
openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
openat(AT_FDCWD, "/lib/x86_64-linux-gnu/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
hello world.
+++ exited with 0 +++
 
$ ls -al foo a.out
-rwxrwxr-x 1 ymir ymir   8296  2월 18 15:56 a.out
-rwxrwxr-x 1 ymir ymir 847128  2월 18 15:55 foo