hadoop mysql install (5)

reference : http://dblab.xmu.edu.cn/blog/install-mysql/

　　　　　　http://wiki.ubuntu.org.cn/MySQL

#install mysql package:

hadoop@iZuf68496ttdogcxs22w6sZ:~$ sudo apt-get install mysql-server mysql-client

#start mysql service

root@iZuf68496ttdogcxs22w6sZ:/etc/mysql# service mysql start

#check service
root@iZuf68496ttdogcxs22w6sZ:/etc/mysql# pgrep mysql
4028

# init mysql root password
root@iZuf68496ttdogcxs22w6sZ:/etc/mysql# mysqladmin -u root -p password
Enter password:
New password:
Confirm new password:
Warning: Since password will be sent to server in plain text, use ssl connection to ensure password safety.
root@iZuf68496ttdogcxs22w6sZ:/etc/mysql# ls
conf.d debian.cnf debian-start my.cnf my.cnf.fallback mysql.cnf mysql.conf.d
root@iZuf68496ttdogcxs22w6sZ:/etc/mysql# grep pan232425 ./ -r -n
root@iZuf68496ttdogcxs22w6sZ:/etc/mysql# ls
conf.d debian.cnf debian-start my.cnf my.cnf.fallback mysql.cnf mysql.conf.d

#connect to mysql service

root@iZuf68496ttdogcxs22w6sZ:/etc/mysql# mysql -u root -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 4
Server version: 5.7.25-0ubuntu0.16.04.2 (Ubuntu)

Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql>