RabbitMQ differs from brokers such as ActiveMQ because it uses a level of indirection between the producer and a consumer. The exchanges implement such indirection similarly (but not quite the same!) to how post offices are in the middle between who sends a postcard and who receives it. [Read More]

Eight months after the discovery of Log4Shell, the American Cybersecurity and Infrastructure Security Agency declared that “the Log4j event is not over and is an endemic vulnerability that will remain in systems for many years to come, perhaps a decade or longer”. Although experts can provide proof of exploitation, the impact on a large scale is unknown because organizations do not share or even collect such information. [Read More]

I noticed that a new version of k9s became available, so I updated it. [Read More]

I’m going to use the Spring’s Actuator endpoint on /no-auth/actuator/info to parse the date of the last service’s git commit and print a simple report with the age or my services. [Read More]

I had a RabbitMQ cluster with two nodes, and the applications sometimes failed to reconnect. Finally I had time to investigate and fix the issue. [Read More]