avahi-browse で mDNS/DNS-SD のホスト・サービスの探索をする

apt-get install avahi-utilsして「avahi-browse -alr」とすればよい。たいした話ではないけれど、多分忘れるので。

出力例はこんな感じ。

$ avahi-browse -alr
+   eth0 IPv6 sample [00:11:22:33:44:55]                      Workstation          local
+   eth0 IPv4 sample [00:11:22:33:44:55]                      Workstation          local
+   eth0 IPv4 Jenkins                                         Web Site             local
+   eth0 IPv4 jenkins                                         _jenkins._tcp        local
+   eth0 IPv4 jenkins                                         _hudson._tcp         local
=   eth0 IPv6 sample [00:11:22:33:44:55]                      Workstation          local
   hostname = [sample.local]
   address = [fe80::82ee:1234:5678:9999]
   port = [9]
   txt = []
=   eth0 IPv4 sample [00:11:22:33:44:55]                      Workstation          local
   hostname = [sample.local]
   address = [192.168.1.152]
   port = [9]h
   txt = []
=   eth0 IPv4 Jenkins                                       Web Site             local
   hostname = [jenkins.local]
   address = [192.168.1.101]
   port = [8005]
   txt = ["version=1.643" "url=http://jenkins.example.local:8005/" "slave-port=46298" "path=/" "server-id=5ca870f7e5eb41888299af4853b2021b"]
=   eth0 IPv4 jenkins                                       _jenkins._tcp        local
   hostname = [jenkins.local]
   address = [192.168.1.101]
   port = [8005]
   txt = ["version=1.643" "url=http://jenkins.example.local:8005/" "slave-port=46298" "path=/" "server-id=5ca870f7e5eb41888299af4853b2021b"]
=   eth0 IPv4 jenkins                                       _hudson._tcp         local
   hostname = [jenkins.local]
   address = [192.168.1.101]
   port = [8005]
   txt = ["version=1.643" "url=http://jenkins.example.local:8005/" "slave-port=46298" "path=/" "server-id=5ca870f7e5eb41888299af4853b2021b"]