Sometimes I have unreliable connection, but rsync (nor rclone) don't support automatic resumption of a single file.

$ rsync -P file1 remote:
file1
     34,358,880  79%  301.00kB/s    0:00:30  client_loop: send disconnect: Broken pipe

rsync: [sender] write error: Broken pipe (32)

certbot certonly \
    --dry-run \
    --agree-tos \
    --run-deploy-hooks \
    --deploy-hook /path/to/letsencrypt_haproxy_hook.sh \
    --standalone \
    --preferred-challenges http-01 \
    --http-01-port 54321 \
 -d ...

-vf zscale=t=linear,tonemap=tonemap=clip:param=0.3,zscale=t=bt709:m=bt709:p=bt709:r=tv,format=yuv420p,eq=contrast=1.1:saturation=1.1

1. Copying a video from PS5 to a thumb drive