Go to the AWS EBS dashboard and modify the volume size. Might be good to create a snapshot of it for safety but haven’t really failed ever doing this.
# 1. Check the device of your partition $ sudo lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS loop0 7:0 0 28.1M 1 loop /snap/amazon-ssm-agent/2012 loop1 7:1 0 97M 1 loop /snap/core/9665 loop2 7:2 0 55M 1 loop /snap/core18/1880 loop3 7:3 0 71.3M 1 loop /snap/lxd/16100 xvda 202:0 0 25G 0 disk └─xvda1 202:1 0 20G 0 part / xvdf 202:80 0 1T 0 disk /mnt/ebs/frostwire-files xvdg 202:96 0 16G 0 disk /mnt/ebs/oldroot # 2. Grow the partition $ sudo growpart /dev/xvda 1 CHANGED: partition=1 start=2048 old: size=41940959 end=41943007 new: size=52426719 end=52428767 # 3. Extend the file system $ sudo resize2fs /dev/xvda1 resize2fs 1.46.5 (30-Dec-2021) Filesystem at /dev/xvda1 is mounted on /; on-line resizing required old_desc_blocks = 3, new_desc_blocks = 4 ... # Done, new size is reflected with df $ df -h Filesystem Size Used Avail Use% Mounted on /dev/root 25G 19G 5.6G 78% /