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Questions tagged [autossh]

35 questions
20
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2 answers

Is autossh redundant with systemd?

When creating a persistent reverse SSH tunnel, is autossh useful on a system running systemd? Typically, autossh is run by a service with the option -M set to zero which disables monitoring of the link. This means that ssh has to exit before…
Guy
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5
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5 answers

Autossh fails on startup

I am trying to make autossh set up a reverse tunnel to a server I have at home automatically with systemd. I set up a unit in /etc/systemd/system called autossh.service It all works fine if I start the service once I am connected to the Internet.…
Sofía Marlasca Aparicio
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2 answers

How do I use autossh to set up a no-frills socks proxy?

I use ssh -D 12345 [email protected] to set up dynamic port forwarding via host somewhere.com. I want to switch to using autossh to daemonize the thing and to make sure I don't need to manually monitor it. I installed the autossh package (on my…
einpoklum
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2 answers

AutoSSH cannot resolve hostname directly after boot

I want to set up a tunnel to my home server which will be established right after my machine boots. Using this answer, I've got my autossh command set up inside a service, which has been set to run at boot. I want the tunnel to work over the…
Top Cat
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3
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3 answers

Autossh at boot with systemd

I am trying to start a persistent ssh connection at boot with autossh in systemd, following guides such as this one. When I do so, it connects and then immediately disconnects, with very little information in the logs. My system is (uname -a): Linux…
fifthace
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1 answer

SSH Tunnel with automatic reconnect and password auth in Docker container

I want to forward a Socks5 proxy using SSH with password authentication inside a Docker container. YES, I know that SSH keys would be better. But since it's not my own server, I'm not able to use keys, they just offer user/password authentication.…
Lion
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2
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1 answer

(root) Warning: Identity file /dev/fd/62 not accessible: No such file or directory

Very similar to Failed to open config file '/dev/fd/63', error: No such file or directory for wpa_supplicant except for the fact that I am running as root. bash-4.4# autossh -v -M 0 -4 -o StrictHostKeyChecking=no -F <(echo…
Elijah Lynn
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2
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0 answers

launch reverse tunnel on init with autossh in the background

I need an init script which will establish a reverse tunnel connection to a server. I've come up with the following start script: #! /bin/sh ### BEGIN INIT INFO ### END INIT INFO case "$1" in start) echo "Starting autossh" …
stdcerr
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0 answers

Automating autossh?

Adding ControlMaster auto ControlPath ~/.ssh/sockets/%C ControlPersist yes to ~/.ssh/config automatically creates a control connection that stays alive for a long time. This works at home where Internet is stable but not when mobile, changing IPs…
chx
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0 answers

SSH Remote Port Forward Host Passwordless

I have a Remote Port Forward SSH tunnel from the host1 the host0 at port 10022 through: $ autossh -R 10022:localhost:22 host0 With host0 record in the ~/.ssh/config file both at host1 and host0: # host0 Host host0 Hostname host0ddnsip Port…
Brethlosze
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1 answer

Start a service and Run/load a script with ssh or autossh, remote port forwarding in the background "-f" to execute more/next commands in the script!

My config: debian 10.9 4.19.0-19-amd64 OpenSSH_7.9p1 Debian-10+deb10u2, OpenSSL 1.1.1d 10 Sep 2019 autossh 1.4g GNU bash, 5.0.3(1)-release (x86_64-pc-linux-gnu) I start a service in /etc/systemd/system/myshh.service ExecStart=/home/user/ssh_run…
Z0OM
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1 answer

Autossh options not consistent with what is in its man page?

I have kind of a naive question, but by reading this thread for example: https://superuser.com/questions/37738/how-to-reliably-keep-an-ssh-tunnel-open One can see in the accepted answer how to use autossh, e.g.: autossh -M 20000 -f -N…
s.k
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1
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1 answer

ssh reverse tunnel works, autossh does not

I have to access an openvpn-vpn server behind a firewall, so to do this I use an ssh-reverse tunnel. While using the "normal" ssh command works, connecting via autossh does not. For all the other connections autossh works fine. SSH-Command: ssh -R…
Hermann Straßberger
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0 answers

automatically reset sshfs when it locks up, remount fails unless done manually

i have 2 local dirs on my server mounted on a remote server. Local maintains connections with autossh -M 23 -R 24:localhost:22 user@server While remote mounts with dirs-sshfs.sh sshfs -o…
greenvironmentalist
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1 answer

autossh system script fails at boot, works on systemctl restart

I am trying to set up an autossh service to forward ports to a remote server when my monitoring server boots. After some finagling, I got a pretty barebones system script working, with one catch. The service fails to properly start when it is run at…
samh
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