Saya lanjutkan mengenai hostname. Menurut wikipedia hostname adalah
is a label that is assigned to a device connected to a computer network and that is used to identify the device in various forms of electronic communication, such as the World Wide Web. Hostnames may be simple names consisting of a single word or phrase, or they may be structured.
langsung aj ya..ikuti perintah di bawah ini
vi /etc/hosts127.0.0.1 phenom1711127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4::1 localhost localhost.localdomain localhost6 localhost6.localdomain6init 1