1) In nx, open a terminal from the Applications->System tools menu
2) Note the host your are on: [cperry@rce6-5 ~]$
3) Run the command below and note the Schedd host and job ID.
[cperry@rce6-5 ~]$ condor_q cperry
-- Schedd: HMDC.rce@rce6-1.hmdc.harvard.edu : <10.0.0.98:9619?sock=10410_9383_3>
ID OWNER SUBMITTED RUN_TIME ST PRI SIZE CMD
15382.0 cperry 2/24 07:43 0+01:49:19 R 0 34179.7 xstata-mp
[cperry@rce6-5 ~]$ ssh rce6-1
[cperry@rce6-1 ~]$ condor_rm 15382.0