Accessing RabbitMQ Admin console

just create some user if you want to access to an rabbitmq admin console

rabbitmqctl add_user user pass
rabbitmqctl set_user_tags user administrator
rabbitmqctl set_permissions -p / user “.” “.” “.*”

 

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Accessing AWS ElastiCache

For Redis, I couldn’t access to Redis from outside AWS, but can access it from EC2 or other platforms. #ReminderForMyself

by the way :

Please note that IP-range based access control is currently not enabled for Cache Clusters. All clients to a Cache Cluster must be within the EC2 network, and authorized via security groups as described above.

Don’t use transparent icons as App Icons

Avoid using any app icon including transparency as it will result with icon having a black backgroud which is ugly. The documentation actually states this here https://developer.apple.com/library/ios/documentation/userexperience/conceptual/mobilehig/AppIcons.html 

Avoid transparency. An app icon should be opaque. If the icon’s boundaries are smaller than the recommended sizes—or you use transparency to create “see-through” areas—the resulting icon can appear to float on a black background, which tends to look especially unattractive on the beautiful wallpapers that users choose.