rpcbind

TLDR

Start rpcbind

$ sudo rpcbind

Start in foreground

$ sudo rpcbind -f

Debug mode

$ sudo rpcbind -d

Check status

$ rpcinfo -p

rpcbind is the RPC port mapper daemon. It converts RPC program numbers to network addresses, enabling clients to find RPC services. Required for NFS and NIS.
Replacement for the older portmap daemon.

PARAMETERS

-d

Debug mode.

-f

Foreground.

-w

Warm start (restore state).

-l

Logging.

-h host

Bind to host.

-i interface

Bind to interface.

EXAMPLES

$ # Start service
sudo systemctl start rpcbind

# Check registered programs
rpcinfo -p

# Check specific host
rpcinfo -p hostname

# List NFS services
rpcinfo -p | grep nfs

# Debug mode
sudo rpcbind -df

RPC INFO

$ # List all registered programs
rpcinfo -p localhost

# Test specific program
rpcinfo -u localhost nfs

# Show statistics
rpcinfo -m

CAVEATS

Required for NFS. Security concerns - limit access with firewall. Port 111 TCP/UDP.

HISTORY

rpcbind replaces the older portmap from Sun RPC, providing improved security and IPv6 support.