$ rclone serve sftp /home/denis/temp --stdio --config="" --log-level=DEBUG --retries=5 --low-level-retries=5
2025/09/23 17:06:13 DEBUG : rclone: Version "v1.71.0" starting with parameters ["rclone" "serve" "sftp" "/home/denis/temp" "--stdio" "--config=" "--log-level=DEBUG" "--retries=5" "--low-level-retries=5"]
2025/09/23 17:06:13 DEBUG : Creating backend with remote "/home/denis/temp"
2025/09/23 17:06:13 DEBUG : Using config file from ""
2025/09/23 17:06:13 INFO :
Transferred: 0 B / 0 B, -, 0 B/s, ETA -
Errors: 1 (retrying may help)
Elapsed time: 0.0s
2025/09/23 17:06:13 DEBUG : 4 go routines active
2025/09/23 17:06:13 NOTICE: Failed to sftp: refusing to run SFTP server directly on a terminal. Please let sshd start rclone, by connecting with sftp or sshfs
$ rclone ls --transfers=1 --config="" --sftp-host=127.0.0.1 --sftp-port=9000 :sftp: --log-level=DEBUG
2025/09/23 17:07:31 DEBUG : rclone: Version "v1.71.0" starting with parameters ["rclone" "ls" "--transfers=1" "--config=" "--sftp-host=127.0.0.1" "--sftp-port=9000" ":sftp:" "--log-level=DEBUG"]
2025/09/23 17:07:31 DEBUG : Creating backend with remote ":sftp:"
2025/09/23 17:07:31 DEBUG : Using config file from ""
2025/09/23 17:07:31 DEBUG : :sftp: detected overridden config - adding "{eS_Or}" suffix to name
2025/09/23 17:07:31 DEBUG : pacer: low level retry 1/10 (error couldn't connect SSH: ssh: handshake failed: read tcp 127.0.0.1:36202->127.0.0.1:9000: read: connection reset by peer)
2025/09/23 17:07:31 DEBUG : pacer: Rate limited, increasing sleep to 200ms
2025/09/23 17:07:31 DEBUG : pacer: low level retry 2/10 (error couldn't connect SSH: ssh: handshake failed: read tcp 127.0.0.1:36214->127.0.0.1:9000: read: connection reset by peer)
2025/09/23 17:07:31 DEBUG : pacer: Rate limited, increasing sleep to 400ms
2025/09/23 17:07:31 DEBUG : pacer: low level retry 3/10 (error couldn't connect SSH: ssh: handshake failed: read tcp 127.0.0.1:36222->127.0.0.1:9000: read: connection reset by peer)
2025/09/23 17:07:31 DEBUG : pacer: Rate limited, increasing sleep to 800ms
2025/09/23 17:07:31 DEBUG : pacer: low level retry 4/10 (error couldn't connect SSH: ssh: handshake failed: read tcp 127.0.0.1:36230->127.0.0.1:9000: read: connection reset by peer)
2025/09/23 17:07:31 DEBUG : pacer: Rate limited, increasing sleep to 1.6s
2025/09/23 17:07:32 DEBUG : pacer: low level retry 5/10 (error couldn't connect SSH: ssh: handshake failed: read tcp 127.0.0.1:36238->127.0.0.1:9000: read: connection reset by peer)
2025/09/23 17:07:32 DEBUG : pacer: Rate limited, increasing sleep to 2s
2025/09/23 17:07:34 DEBUG : pacer: low level retry 6/10 (error couldn't connect SSH: ssh: handshake failed: read tcp 127.0.0.1:36242->127.0.0.1:9000: read: connection reset by peer)
2025/09/23 17:07:36 DEBUG : pacer: low level retry 7/10 (error couldn't connect SSH: ssh: handshake failed: read tcp 127.0.0.1:36256->127.0.0.1:9000: read: connection reset by peer)
2025/09/23 17:07:38 DEBUG : pacer: low level retry 8/10 (error couldn't connect SSH: ssh: handshake failed: read tcp 127.0.0.1:33310->127.0.0.1:9000: read: connection reset by peer)
2025/09/23 17:07:40 DEBUG : pacer: low level retry 9/10 (error couldn't connect SSH: ssh: handshake failed: read tcp 127.0.0.1:33320->127.0.0.1:9000: read: connection reset by peer)
2025/09/23 17:07:42 DEBUG : pacer: low level retry 10/10 (error couldn't connect SSH: ssh: handshake failed: read tcp 127.0.0.1:33336->127.0.0.1:9000: read: connection reset by peer)
2025/09/23 17:07:42 CRITICAL: Failed to create file system for ":sftp:": NewFs: couldn't connect SSH: ssh: handshake failed: read tcp 127.0.0.1:33336->127.0.0.1:9000: read: connection reset by peer