Redis error reporting and common configurations

install redis

Download link ： If the download is unsuccessful, you can download it on the official website by yourself https://download.redis.io/releases

wget https://download.redis.io/releases/redis-6.2.1.tar.gz?_ga=2.213148948.1866727870.1617073678-1341157963.1617073678
--2021-03-30 11:19:41--  https://download.redis.io/releases/redis-6.2.1.tar.gz?_ga=2.213148948.1866727870.1617073678-1341157963.1617073678

Check to see if startup succeeded

ps -aux | grep redis
netstat -nltp

Test whether you can connect to redis The server

redis  The architecture is  C/S  framework , In our execution  redis-server  When the server has been started , If you want to test whether you can connect to the server, you can use the following command to test ：
redis-cli //  This is a  redis  The client connection commands provided to us 

To configure redis

Modify the port ：

{
     Own actual installation path }/redis/redis.conf
port 6379 

Change Password ：

{
     Own actual installation path }/redis/redis.conf
 Before the change ：# requirepass foobared
 After modification ：requirepass admin123   //  Change the password you want to set 

More settings IP You can visit ：

 Method 1 ： Can be directly annotated  bind
 Method 2 ：bind 0.0.0.0
 Settings section  IP  Accessible ：192.168.2.39 192.168.2.38
 After the above settings are completed, you need to set another step ：
protected-mode no # take yes Modified into no

Report a mistake ：The program ‘redis-server’ is currently not installed. To run ‘redis-server’ please ask your administrator to install the package ‘redis-server’

 After installation  redis  after , Enter the command  redis-server  Times wrong ：The program 'redis-server' is currently not installed. To run 'redis-server' please ask your administrator to install the package 'redis-server'
 terms of settlement ：
 Execute the following commands before starting ：sudo make install
 Cause of error ：redis-server  The installation did not succeed , The official website recommends that you execute the above command before starting sudo make install

Error reporting II ：Could not connect to Redis at 127.0.0.1:0: Connection refused

 The default password is not supported after changing the password  redis-cli  Connect to the server , Need a command ：
redis-cli -p  Set your own port 
 Such as ：redis-cli -p 11489

Error reporting 3 ：(error) NOAUTH Authentication required.

After setting the password and port , Input redis-cli -p 11489 after , Will let us enter our own user name for authentication , If the authentication is not performed, the above error will be reported ：
Screenshot of error reporting ：

 terms of settlement ：
127.0.0.1:10419> auth "xxx" // Specific server login 
OK

restart redis

redis-server redis.conf
redis-conf : As  redis  Server side configuration file , Relevant information can be configured here , Such as ： password 、 Port, etc 
redis-server： Server start command