rpcinfo: add page (#2295)

pages/linux/rpcinfo.md

@@ -0,0 +1,23 @@
+# rpcinfo
+
+> Makes an RPC call to an RPC server and reports what it finds.
+
+- Show full table of all RPC services registered on localhost:
+
+`rpcinfo`
+
+- Show concise table of all RPC services registered on localhost:
+
+`rpcinfo -s {{localhost}}`
+
+- Display table of statistics of rpcbind operations on localhost:
+
+`rpcinfo -m`
+
+- Display list of entries of given service name (mountd) and version number (2) on a remote nfs share:
+
+`rpcinfo -l {{remote_nfs_server_ip}} {{mountd}} {{2}}`
+
+- Delete the registration for version 1 of the mountd service for all transports:
+
+`rpcinfo -d {{mountd}} {{1}}`