![]() To list the keys that are on the master run salt-key list command: The salt-key command is used to manage all of the keys on the master. For a minion to start accepting commands from the master the minion keys need to be accepted. Salt authenticates minion using public key encryption and authentication. Now that the master can be found, start/enable rvice. Otherwise the minion configuration file will need to be edited, edit the configuration option master to point to the DNS name or the IP of the Salt Master. By default the minion will look for the DNS name salt for the master, making the easiest approach to set internal DNS to resolve the name salt back to the Salt Master IP. The Salt minion only needs to be aware of one piece of information to run, the network location of the master. For information on how to run a master-less minion please see the masterless quickstart guide: This wiki assumes that the minion will be connected to the master. The Salt Minion can operate with or without a Salt Master. The Salt master needs to bind to 2 TCP network ports on the system, these ports are 45. The Salt master can also be started in the foreground in debug mode, greatly increasing the command output: The default configuration is suitable for the vast majority of installations. ![]() A master server acts as a central control bus for the clients (called minions), and the minions connect back to the master. Salt functions on a master/minion topology. Running pre-defined or arbitrary commands on remote hosts. Salt is at its core a Remote Execution solution. Salt delivers a dynamic communication bus for instrastructures that can be used for orchestration, remote execution, configuration management and much more. Easy enough to get running in minutes, scalable enough to manage tens of thousands of servers, and fast enough to communicate with them in seconds. Salt is a new approach to infrastructure management.
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