ubuntu21.10 ubuntuimpish Ubuntu 21.10 Ubuntu 21.10 Ubuntu 21.10 우분투 21.10 Ubuntu 21.10 Ubuntu 21.10 Ubuntu 21.10 Ubuntu 21.10 Ubuntu 21.10 Ubuntu 21.10 Ubuntu 21.10 21.10 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 Impish Indri 2021-10-14 2022-07-14 1000000000 1 2147483648 5368709120 2000000000 4294967296 26843545600 https://releases.ubuntu.com/21.10/ubuntu-21.10-desktop-amd64.iso Ubuntu 21.10(.\d\+?)?(.\d\+?)? amd64 casper/vmlinuz casper/initrd