udev 473M 0 473M 0% /dev tmpfs 98M 832K 97M 1% /run /dev/xvda1 9.6G 5.6G 4.0G 59% / tmpfs 488M 0 488M 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 488M 0 488M 0% /sys/fs/cgroup /dev/loop0 50M 50M 0 100% /snap/snapd/18596 /dev/loop2 25M 25M 0 100% /snap/amazon-ssm-agent/6312 /dev/loop1 56M 56M 0 100% /snap/core18/2721 /dev/xvda15 105M 5.2M 100M 5% /boot/efi tmpfs 98M 0 98M 0% /run/user/1000 $ sudo resize2fs /dev/xvda1 resize2fs 1.44.1 (24-Mar-2018) Filesystem at /dev/xvda1 is mounted on /; on-line resizing required old_desc_blocks = 2, new_desc_blocks = 2 The filesystem on /dev/xvda1 is now 3903739 (4k) blocks long. $ df -h Filesystem Size Used Avail Use% Mounted on udev 473M 0 473M 0% /dev tmpfs 98M 832K 97M 1% /run /dev/xvda1 15G 5.6G 8.8G 39% / tmpfs 488M 0 488M 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 488M 0 488M 0% /sys/fs/cgroup /dev/loop0 50M 50M 0 100% /snap/snapd/18596 /dev/loop2 25M 25M 0 100% /snap/amazon-ssm-agent/6312 /dev/loop1 56M 56M 0 100% /snap/core18/2721 /dev/xvda15 105M 5.2M 100M 5% /boot/efi tmpfs 98M 0 98M 0% /run/user/1000 パーティションを拡張