apt-get update 할경우 Failed to fetch bzip2:/var/lib/apt/lists/partial/kr.archive.ubuntu.com_ubuntu_dists_precise-updates_main_source_Sources Hash Sum mismatch에러가 뜰경우가 생긴다. # apt-get updateHit http://kr.archive.ubuntu.com precise Release.gpgHit http://kr.archive.ubuntu.com precise-updates Release.gpgHit http://security.ubuntu.com precise-security Release.gpgHit http://extras.ubuntu.com precise Rele..