ISUCON X /etc/hosts 18.177.189.17 isucon1 52.194.49.98 isucon2 54.92.69.133 isucon3 SSH forwarding for netdata ssh -fNT -L 0.0.0.0:19991:127.0.0.1:19999 isucon@isucon1 ssh -fNT -L 0.0.0.0:19992:127.0.0.1:19999 isucon@isucon2 ssh -fNT -L 0.0.0.0:19993:127.0.0.1:19999 isucon@isucon3 Notes