Reset the C/S admin password of VCN3020 version V100R003C00SPC200

Hello, Brauliocq

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Hi, dear!
Welcome to our community!
If you run the command using root user?

Or you can try this command:
su - postgres -c "/home/postgres/bin/psql -p 6000 -d omu -c \"update tbl_omu_unified_configurations set cfg_value='20' where cfg_name='MaxLoginSession'\"" su - postgres -c "/home/postgres/bin/psql -p 6000 -d omu -c \"update tbl_omu_user_info set lock_status=0, passwd_wrong_count=0, first_flg=0, last_modify_time='1517323095', PASSWD='fc5578f20cc26f334a0399d4352a794bd1caac3afc87f1faedcae3ca5c01c5fd', SALT='8EO6m2LxacWubqw4' where user_name='admin'\""

Hi, Brauliocq!
Please try this command:
su - postgres -c "/home/postgres/bin/psql -p 6000 -d smu -c \"update tbl_smu_user_info set login_password='354120804238ac57a761e537388958e89e357701564370d91512a7c0de53f07f',first_login='0', salt='' where login_name='admin';\""

This command is different, look at su - postgres.

very useful

thanks for taking you time!