Running JLink command line utilities on OS X 10.9.3

JLink version 4.86a is unable to connect to the JLink OB of the nRF51822 dongle.

SEGGER J-Link Commander V4.86a ('?' for help)
Compiled Jun 11 2014 18:05:55
Can not connect to J-Link via USB.

The device is listed under System Information.
J-Link:

Product ID: 0x0105
Vendor ID: 0x1366
Version: 1.00

Thanks that did the trick.

$ JLinkGDBServer -if SWD -device nRF51822 -speed 4000
SEGGER J-Link GDB Server V4.86a Command Line Version

JLinkARM.dll V4.86a (DLL compiled Jun 11 2014 18:05:50)

-----GDB Server start settings-----
GDBInit file: none
GDB Server Listening port: 2331
SWO raw output listening port: 2332
Terminal I/O port: 2333
Accept remote connection: yes
Generate logfile: off
Verify download: off
Init regs on start: on
Silent mode: off
Single run mode: off
Target connection timeout: 5 sec.
------J-Link related settings------
J-Link Host interface: USB
J-Link script: none
J-Link settings file: none
------Target related settings------
Target device: nRF51822
Target interface: SWD
Target interface speed: 4000kHz
Target endian: little

Connecting to J-Link...
J-Link is connected.
Firmware: J-Link OB-SAM3U128 V1 compiled Dec 11 2013 20:20:11
Hardware: V1.00
S/N: #############
Checking target voltage...
Target voltage: 3.30 V
Listening on TCP/IP port 2331
Connecting to target...Connected to target
Waiting for GDB connection...