64 lines
2.6 KiB
Markdown
64 lines
2.6 KiB
Markdown
---
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layout: "docs"
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page_title: "Commands"
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sidebar_current: "docs-commands"
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description: |-
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Consul is controlled via a very easy to use command-line interface (CLI). Consul is only a single command-line application: `consul`. This application then takes a subcommand such as agent or members. The complete list of subcommands is in the navigation to the left.
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---
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# Consul Commands (CLI)
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Consul is controlled via a very easy to use command-line interface (CLI).
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Consul is only a single command-line application: `consul`. This application
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then takes a subcommand such as "agent" or "members". The complete list of
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subcommands is in the navigation to the left.
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The `Consul` CLI is a well-behaved command line application. In erroneous
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cases, a non-zero exit status will be returned. It also responds to `-h` and `--help`
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as you'd most likely expect. And some commands that expect input accept
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"-" as a parameter to tell Consul to read the input from stdin.
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To view a list of the available commands at any time, just run `consul` with
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no arguments:
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```text
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$ consul
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usage: consul [--version] [--help] <command> [<args>]
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Available commands are:
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agent Runs a Consul agent
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event Fire a new event
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exec Executes a command on Consul nodes
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force-leave Forces a member of the cluster to enter the "left" state
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info Provides debugging information for operators
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join Tell Consul agent to join cluster
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keygen Generates a new encryption key
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keyring Manages gossip layer encryption keys
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leave Gracefully leaves the Consul cluster and shuts down
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lock Execute a command holding a lock
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members Lists the members of a Consul cluster
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monitor Stream logs from a Consul agent
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reload Triggers the agent to reload configuration files
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rtt Estimates network round trip time between nodes
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version Prints the Consul version
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watch Watch for changes in Consul
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```
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To get help for any specific command, pass the `-h` flag to the relevant
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subcommand. For example, to see help about the `join` subcommand:
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```text
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$ consul join -h
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Usage: consul join [options] address ...
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Tells a running Consul agent (with "consul agent") to join the cluster
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by specifying at least one existing member.
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Options:
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-rpc-addr=127.0.0.1:8400 Address to the RPC server of the agent you want to contact
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to send this command. If this isn't specified, the command checks the
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CONSUL_RPC_ADDR env variable.
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-wan Joins a server to another server in the WAN pool
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```
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