![]() the remote instance your tunnel will connect to the database through. The default user for the Engine Yard Cloud database is deploy. The port that your remote database listens for connections on.įor MySQL databases, this is 3306 by default.įor PostgreSQL database, this is 5432 by default. If you used an application instance as then you can use the value of "host:" from your database.yml instead. If the is the database instance you will want to set this to 127.0.0.1 (so it refers to itself). The hostname or IP address of the database instance that you are tunneling to. If you have a PostgreSQL installation on your local machine, it runs on port 5432 by default therefore, don’t use 5432 for the local port. If you have a MySQL installation on your local machine, it runs on port 3306 by default therefore, don’t use 3306 for the local port. The local port your database tool connects to. The syntax for creating the SSH tunnel is ssh -L :: host] Set-up SSH Keysīefore you can set up your SSH tunnel, you need to ensure that you have configured and installed SSH keys on your running environment. See MySQL Workbench for more information. Use MySQL Workbench to connect to MySQL ServerĪs an alternative to setting up an SSH tunnel manually, you can use MySQL Workbench to connect to a MySQL Server using TCP/IP over an SSH connection. The added benefit of this setup is that the communications between your local machine and the remote host is encrypted by the SSH connection. When these ports are linked, anything communicated to the local port is passed through SSH to the remote port likewise, any communication to the remote port is passed back through SSH to the local port. Create a SSH tunnel in the background with a custom Chef recipeĪn SSH tunnel links a port on your local machine to a port on a remote host.You can also use SSH tunnels to set up offsite replication. ![]() However, it means that to access your database from an external database tool, such as pgAdmin, MySQL Workbench, or SQLyog, you need to create an SSH tunnel to your database host/instance.įor example, you want to run pgAdmin or MySQL Workbench on your laptop and you want to use this tool to examine your application database: You create an SSH tunnel from your laptop (the local) to your database instance (the remote) on Engine Yard Cloud. ![]() This is a good thing because a database cannot reliably maintain the security and patch levels like SSH can. I did this because I (and I assume most people) usually type ssh and not the full path, which keeps it from killing my normal ssh sessions.Your database instance is not directly accessible from outside the environment. ![]() This script only matches results to processes started with the speicifc path. If you run ps aux | grep ssh while you have both autossh and ssh sessions running, you will see that the ones started by autossh use the full path (/usr/bin/ssh and /usr/lib/autossh/autossh). To clarify, it SHOULD kill only the SSH sessions started by autossh. You can also specify a search term (host name) to kill only specific tunnels.Īutossh -kill dbserver1 kills just the connections to dbserver1Īutossh -kill dbserver will kill dbserver1, dbserver2, etc.Īutossh -kill dbserver will kill ALL autossh connections This is important if you are using port forwarding because, killing ONLY the autossh instance doesn't kill the tunnel, it just prevents it from reconnecting if/when it finally does disconnect. This script kills the autossh & ssh instances. You can run which ssh and which autossh to check the paths on your system.Īs long as the first argument isn't -kill, it just passes the args along to autossh. $(which autossh) "" # prevents line wrapping when you kill the ssh process I know this has been answered, but contrary to the comments above, using pkill -3 autossh does NOT kill the sshd child processes for me.īascially, it's like adding a -kill argument to autossh.
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