system sh/stop_dnodes.sh system sh/deploy.sh -n dnode1 -i 1 system sh/exec.sh -n dnode1 -s start sql connect print =============== create user and login sql create user sysinfo0 pass 'taosdata' sql create user sysinfo1 pass 'taosdata' sql alter user sysinfo0 sysinfo 0 sql alter user sysinfo1 sysinfo 1 print user sysinfo0 login sql close sql connect sysinfo0 system sh/exec.sh -n dnode1 -s stop return print =============== check oper sql_error create user u1 pass 'u1' sql_error drop user sysinfo1 sql_error alter user sysinfo1 pass '1' sql_error alter user sysinfo0 pass '1' system sh/exec.sh -n dnode1 -s stop -x SIGINT