.nf
Enable tracing channel
+To enable event, you must first enable a channel which contains event(s).
+
If \fB\-s, \-\-session\fP is omitted, the session name is taken from the .lttngrc
file.
.fi
.IP "81"
Tracing already stopped
+
+.IP "98"
+No UST consumer detected
+
+.IP "99"
+No Kernel consumer detected
.PP
.SH "ENVIRONMENT VARIABLES"
.PP
.PP
-.IP "LTTNG_SESSIOND_PATH_ENV"
+.IP "LTTNG_SESSIOND_PATH"
Allows one to specify the full session daemon binary path to lttng command line
tool. You can also use \-\-sessiond-path option having the same effect.
.SH "SEE ALSO"