MYSQL-notes
From Wiki at Neela Nurseries
mysql> select Host, User, authentication_string from user; +---------------+------------------+-------------------------------------------+ | Host | User | authentication_string | +---------------+------------------+-------------------------------------------+ | localhost | root | *7DED8F04F1F0C0639D9631FEFFDA4539EE31DD17 | | alta-spare-2u | root | *7DED8F04F1F0C0639D9631FEFFDA4539EE31DD17 | | 127.0.0.1 | root | *7DED8F04F1F0C0639D9631FEFFDA4539EE31DD17 | | ::1 | root | *7DED8F04F1F0C0639D9631FEFFDA4539EE31DD17 | | localhost | debian-sys-maint | *E8C7D3BB3A512229A60E85B7A2A23484ED003A94 | | localhost | mysql.sys | *THISISNOTAVALIDPASSWORDTHATCANBEUSEDHERE | | localhost | wikiuser | *F05B4F375EA1AC92DB6916D2F25E41B5689539FD | +---------------+------------------+-------------------------------------------+ 7 rows in set (0.02 sec) mysql> update user set authentication_string=PASSWORD("ram,2017") where User='root'; Query OK, 4 rows affected, 1 warning (0.02 sec) Rows matched: 4 Changed: 4 Warnings: 1 mysql> select Host, User, authentication_string from user; +---------------+------------------+-------------------------------------------+ | Host | User | authentication_string | +---------------+------------------+-------------------------------------------+ | localhost | root | *A070565E56DA8DBCF462EEE4A67C59881CC60597 | | alta-spare-2u | root | *A070565E56DA8DBCF462EEE4A67C59881CC60597 | | 127.0.0.1 | root | *A070565E56DA8DBCF462EEE4A67C59881CC60597 | | ::1 | root | *A070565E56DA8DBCF462EEE4A67C59881CC60597 | | localhost | debian-sys-maint | *E8C7D3BB3A512229A60E85B7A2A23484ED003A94 | | localhost | mysql.sys | *THISISNOTAVALIDPASSWORDTHATCANBEUSEDHERE | | localhost | wikiuser | *F05B4F375EA1AC92DB6916D2F25E41B5689539FD | +---------------+------------------+-------------------------------------------+ 7 rows in set (0.00 sec) mysql>