1

on both computer same version of rsync:

rsync --version
rsync  version 3.1.2  protocol version 31

cat /etc/rsnapshot.conf

[...]
backup  root@IP:/etc/     localhost/      ssh_args=-i /root/.ssh/id_rsa -p 4378
[...]

protocol version mismatch -- is your shell clean? (see the rsync man page for an explanation) rsync error: protocol incompatibility (code 2) at compat.c(178) [Receiver=3.1.2]

2
  • Is your shell clean? Jul 15, 2020 at 12:25
  • I am facing the same error ... @MichaelHampton would you be able to elaborate on your comment? How to confirm whether shell is clean or not (pronbably it isn't) and (if not clean) how to make it clean again?
    – vrms
    Jan 10, 2022 at 16:07

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