Getting started: https://kopia.io/docs/getting-started/

# Test repository creation
kopia repository create s3 \
    --bucket ... \
    --access-key ... \
    --secret-access-key ... \
    --region ap-southeast-1
kopia repository validate-provider
 
# Backup directory
kopia snapshot create [DIRECTORY]
 
# Browse directory
kopia snapshot list [DIRECTORY]  # yields repository ID
kopia ls -l [ID]
mkdir /tmp/mnt
kopia mount [ID] /tmp/mnt &