+.SH "ENVIRONMENT VARIABLES"
+
+.PP
+.IP "LTTNG_NETWORK_SOCKET_TIMEOUT"
+Control timeout of socket connection, receive and send. Takes an integer
+parameter: the timeout value, in milliseconds. A value of 0 or -1 uses
+the timeout of the operating system (this is the default).
+.IP "LTTNG_RELAYD_HEALTH"
+File path used for relay daemon health check communication.
+.PP
+