ubuntu21.04 ubuntuhirsute Ubuntu 21.04 Ubuntu 21.04 Ubuntu 21.04 우분투 21.04 Ubuntu 21.04 Ubuntu 21.04 Ubuntu 21.04 Ubuntu 21.04 Ubuntu 21.04 Ubuntu 21.04 Ubuntu 21.04 Ubuntu 21.04 21.04 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 Hirsute Hippo 2021-04-22 2022-01-20 1000000000 1 2147483648 5368709120 2000000000 4294967296 26843545600 https://releases.ubuntu.com/21.04/ubuntu-21.04-desktop-amd64.iso Ubuntu 21.04(.\d\+?)?(.\d\+?)? amd64 casper/vmlinuz casper/initrd https://releases.ubuntu.com/21.04/ubuntu-21.04-live-server-amd64.iso Ubuntu-Server 21.04(.\d\+?)?(.\d\+?)? amd64 casper/vmlinuz casper/initrd Ubuntu-Server 21.04(.\d\+?)?(.\d\+?)? arm64 casper/vmlinuz casper/initrd Ubuntu-Server 21.04(.\d\+?)?(.\d\+?)? ppc64 casper/vmlinuz casper/initrd Ubuntu-Server 21.04(.\d\+?)?(.\d\+?)? s390x casper/vmlinuz casper/initrd https://cloud-images.ubuntu.com/releases/hirsute/release/ubuntu-21.04-server-cloudimg-amd64.img https://cloud-images.ubuntu.com/releases/hirsute/release/ubuntu-21.04-server-cloudimg-amd64.vmdk https://cloud-images.ubuntu.com/releases/hirsute/release/ubuntu-21.04-server-cloudimg-arm64.img https://cloud-images.ubuntu.com/releases/hirsute/release/ubuntu-21.04-server-cloudimg-armhf.img https://cloud-images.ubuntu.com/releases/hirsute/release/ubuntu-21.04-server-cloudimg-ppc64el.img https://cloud-images.ubuntu.com/releases/hirsute/release/ubuntu-21.04-server-cloudimg-s390x.img