system sh/stop_dnodes.sh system sh/ip.sh -i 1 -s up system sh/deploy.sh -n dnode1 -m 192.168.0.1 -i 192.168.0.1 system sh/cfg.sh -n dnode1 -c clog -v 0 system sh/exec.sh -n dnode1 -s start sleep 3000 sql connect print ============= step1 sql create user read pass 'taosdata1' sql create user write pass 'taosdata1' sql alter user read pass 'taosdata' sql alter user write pass 'taosdata' sql show users if $rows != 5 then return -1 endi print ============= step2 sql close sql connect read sleep 2000 sql alter user read pass 'taosdata' sql alter user write pass 'taosdata1' -x step2 return -1 step2: print ============= step3 sql close sql connect write sleep 2000 sql alter user write pass 'taosdata' sql alter user read pass 'taosdata' -x step3 return -1 step3: print ============= step4 sql close sql connect sleep 2000 sql create user oroot pass 'taosdata' sql show users if $rows != 6 then return -1 endi