This error message typically indicates that Redis is unable to establish a connection with the specified host and port. The error 'could not connect to Redis at 127.0.0.1:6379: Connection refused' can be caused by a variety of issues, such as:
To fix this error, you can try the following solutions along with the specific commands:
If it returns "PONG", Redis is running. If it returns "Could not connect to Redis" or "Connection refused", then Redis is not running.
Check firewall settings: Use a tool like
iptables (on Linux) to ensure that there are no firewall rules blocking Redis connections. You may need to contact your network administrator to check firewall settings.
Verify configuration settings: Check the Redis configuration file (redis.conf) to ensure that the correct host and port settings are configured. The default settings are usually 127.0.0.1 and 6379 respectively. You can do this with the
cat command followed by the path to the redis.conf file.
vieditor to edit the configuration file.
vim if you're more comfortable with