친구랑 둘이하는데요 서버를 계속 유지할수 있는 방법은 앖나요? 친구가 끄면 제가 그 서버를 이용못하던데...

아 그리고 제가 만약 서버 만들고 다른컴퓨터 가도 그 서버남아 있나요?