ubuntu18.04 ubuntubionic Ubuntu 18.04 LTS Ubuntu 18.04 LTS Ubuntu 18.04 LTS 우분투 18.04 LTS Ubuntu 18.04 LTS Ubuntu 18.04 LTS Ubuntu 18.04 LTS Ubuntu 18.04 LTS Ubuntu 18.04 LTS Ubuntu 18.04 LTS Ubuntu 18.04 LTS Ubuntu 18.04 LTS Ubuntu 18.04 LTS 18.04 Canonical Ltd Canonical Ltd Canonical Ltd Canonical Ltd Canonical Ltd Canonical Ltd Canonical Ltd Canonical Ltd Canonical Ltd Canonical Ltd Canonical Ltd Canonical Ltd Canonical Ltd Canonical Ltd Canonical Ltd linux ubuntu Bionic Beaver 2018-04-26 2028-04-26 1000000000 1 2147483648 5368709120 1000000000 2147483648 16106127360 Ubuntu Desktop 18.04 LTS Ubuntu Server 18.04 LTS https://releases.ubuntu.com/releases/bionic/ubuntu-18.04.6-desktop-amd64.iso Ubuntu 18.04(.\d\+?)?(.\d\+?)? LTS amd64 casper/vmlinuz casper/initrd