![]() to be able to SSH (by key, not password) into one of your servers (server B) from the other server (server A).Connecting these via a VPN is a good choice here, but another (simpler?) option is to create an SSH tunnel between the servers - especially if you already SSH into both servers.īelow we'll create a simple systemd service that will create an SSH tunnel between two servers and restart itself if the connection is severed. Creating a secure connection between the local host and the remote host is called SSH tunneling or port forwarding. ![]() Go to SSH > Tunnels and enter a number like 1081 and below it select Dynamic and IPv4 and click on Add. ![]() So basically I needed to connect these two separated servers securely as if they were on the same network. Run putty and type your VPS ip in the Host name field. scrape metrics with be traversing over the internet unencrypted). This feature allows an operator to create a listening SOCKS 5 service on a remote host in a single command. OpenSSH version 7.6 introduced a new feature dubbed reverse dynamic forwarding that leverages the extended syntax for the -R argument. Any traffic sent to this port is sent to its destination through the SSH server. GOAL: Proxy tools and traffic from a Linux host into the client network in a single ssh command. ![]() Now I could have just opened a port to the prometheus exporter on the VPS server. The SSH client creates a SOCKS proxy at port 4000 on your local computer. You might have need to create a secure, persistent connection between two servers over an (unsecured) network (like the internet).Īn actual example of this was when I needed to scrape prometheus metrics to my home server from an VPS server I have with a cloud provider (which is many miles kms away from where I am). ![]()
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