Literally yesterday I was using the balena tunnel command successfully to tunnel localhost:4321 to <device-uuid>:22222.
I added my public RSA key to the Balena dashboard. Then, I ran
balena tunnel <device-uuid> -p 22222:4321
Then, in a separate terminal, I used the ssh command like so
ssh -L 8443:192.168.0.201:443 -p 4321 -i /path/to/private/key <username>@127.0.0.1
This worked very well. However, this morning when I tried to do the same thing, I get this error from the ssh cli
OpenSSH_9.0p1, LibreSSL 3.3.6
debug1: Reading configuration data /Users/bm/.ssh/config
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 21: include /etc/ssh/ssh_config.d/* matched no files
debug1: /etc/ssh/ssh_config line 54: Applying options for *
debug2: resolve_canonicalize: hostname 127.0.0.1 is address
debug3: expanded UserKnownHostsFile '~/.ssh/known_hosts' -> '/Users/bm/.ssh/known_hosts'
debug3: expanded UserKnownHostsFile '~/.ssh/known_hosts2' -> '/Users/bm/.ssh/known_hosts2'
debug1: Authenticator provider $SSH_SK_PROVIDER did not resolve; disabling
debug3: ssh_connect_direct: entering
debug1: Connecting to 127.0.0.1 [127.0.0.1] port 4321.
debug3: set_sock_tos: set socket 3 IP_TOS 0x48
debug1: connect to address 127.0.0.1 port 4321: Connection refused
ssh: connect to host 127.0.0.1 port 4321: Connection refused
I also tried this
balena ssh <device-uuid>
-----------------------------------------------------------------------
[Warn] Node.js version "21.7.2" does not satisfy requirement ">=18 <20"
[Warn] This may cause unexpected behavior.
-----------------------------------------------------------------------
(node:34594) [DEP0040] DeprecationWarning: The `punycode` module is deprecated. Please use a userland alternative instead.
(Use `node --trace-deprecation ...` to show where the warning was created)
blaise1@ssh.balena-devices.com: Permission denied (publickey).
SSH: Remote command "host <device-uuid>" exited with non-zero status code "255"
Are the SSH keys correctly configured in balenaCloud? See:
https://www.balena.io/docs/learn/manage/ssh-access/#add-an-ssh-key-to-balenacloud
Are you accidentally using `sudo`?
but it tells me that I might have the wrong public key, which is not true since I checked that countless times. What else do I need to do to make this work?