1# Connecting several managers via Hub
2
3`syz-hub` program can be used to connect several `syz-manager`'s together and
4allow them to exchange programs.
5
6Build `syz-hub` with `make hub`. Then create a config file along the lines of:
7
8```
9{
10	"http": ":80",
11	"rpc":  ":55555",
12	"workdir": "/syzkaller/workdir",
13	"clients": [
14		{"name": "manager1", "key": "6sCFsJVfyFQVhWVKJpKhHcHxpCH0gAxL"},
15		{"name": "manager2", "key": "FZFSjthHHf8nKm2cqqAcAYKM5a3XM4Ao"},
16		{"name": "manager3", "key": "fTrIBQCmkEq8NsvQXZiOUyop6uWLBuzf"}
17	]
18}
19```
20
21And start it with `bin/syz-hub -config hub.cfg`. Then add the following
22additional parameters to `syz-manager` config files of each manager:
23
24```
25	"name": "manager1",
26	"hub_client": "manager1",
27	"hub_addr": "1.2.3.4:55555",
28	"hub_key": "6sCFsJVfyFQVhWVKJpKhHcHxpCH0gAxL",
29```
30
31And start managers. Once they triage local corpus, they will connect to the hub
32and start exchanging inputs. Both hub and manager web pages will show how many
33inputs they send/receive from the hub.
34