TREX : How can i have Trex run multiple dpdk instances when trex is run with diff usernames

[givohra]

I had a user successfully run trex on a machine. When i tried run trex on the same machine with my username or admin, i see below error. 

sudo ./_t-rex-64 -f 00_FS3k_sfr_delay_10_1g.yaml --cfg /home/qadmin/trex_4ports_cfg.yaml -c 4 -m 2 -d 360000
sudo: unable to resolve host ubuntu-trex2: Connection refused
Starting TRex v2.56 please wait ...
EAL: Error - exiting with code: 1
Cause: Cannot create lock on '/var/run/dpdk/rte/config'. Is another primary process running?

[givohra · Accepted solution]

Found the solution

adding `prefix : qadmin` in trex cfg file helped creating multiple trex instances.

- port_limit : 4
version : 2
prefix : qadmin