# erl_boot_server

### MODULE

erl_boot_server

### MODULE SUMMARY

Boot Server for Other Erlang Machines

### DESCRIPTION

This server is used to assist diskless Erlang nodes which fetch all Erlang code from another machine.

This server is used to fetch all code, including the start script, if an Erlang runtime system is started with the `-loader inet` command line flag. All hosts specified with the `-hosts Host` flag must have one instance of this server running.

This server can be started with the `kernel` configuration parameter `start_boot_server`.

### EXPORTS

`start(Slaves) -> {ok, Pid} | {error, What}`

Types:

`Slaves = [Host]`
`Host = atom()`
`Pid = pid()`
`What = void()`

Starts the boot server. `Slaves` is a list of IP addresses for hosts which are allowed to use this server as a boot server.

`start_link(Slaves) -> {ok, Pid} | {error, What}`

Types:

`Slaves = [Host]`
`Host = atom()`
`Pid = pid()`
`What = void()`

Starts the boot server and links to the caller. This function is used to start the server if it is included in a supervision tree.

`add_slave(Slave) -> ok | {error, What}`

Types:

`Slave = Host`
`Host = atom()`
`What = void()`

Adds a `Slave` node to the list of allowed slave hosts.

`delete_slave(Slave) -> ok | {error, What}`

Types:

`Slave = Host`
`Host = atom()`
`What = void()`

Deletes a `Slave` node from the list of allowed slave hosts.

`which_slaves() -> Slaves`

Types:

`Slaves = [Host]`
`Host = atom()`

Returns the current list of allowed slave hosts.

### SEE ALSO

init(3), erl_prim_loader(3)

### AUTHORS

Magnus Fröberg - support@erlang.ericsson.se

kernel 2.9
Copyright © 1991-2003 Ericsson Utvecklings AB