An example of Redis setting password protection

When Redis is installed, it is not password protected by default, and password protected for security purposes.

 Log in locally on the client side 192.168.56.56 The server  
[root@shanxi src]# ./redis-cli 
 
 View password. The current password is empty  
127.0.0.1:6379> config get requirepass 
1) "requirepass" 
2) "" 
 
 Set the password to  aabbcc 
127.0.0.1:6379> config set requirepass "aabbcc" 
OK 
 
 Check the password again, it shows insufficient permissions, need to log in again  
127.0.0.1:6379> config get requirepass 
(error) NOAUTH Authentication required. 
 
127.0.0.1:6379> exit 
 
 Log back in  
[root@shanxi src]# ./redis-cli 
 
 Verify password is  aabbcc 
127.0.0.1:6379> auth "aabbcc" 
OK 
 
 Check the password again   Is shown as  aabbcc  Yes, it worked  
127.0.0.1:6379> config get requirepass 
1) "requirepass" 
2) "aabbcc"