Recent Posts

Configure RabbitMQ failover cluster

RabbitMQ is a universal bus to be used to exchange messages between the applications. There are other solutions like Kafka, AWS SQS, Google Pubsub, etc. If y...

Problems with re-login into Jenkins

Today I ran into a problem with re-login in Jenkins. After the session was broken as a result of restarting the Tomcat daemon, I was asked to log in with a n...

Setup Unison in CentOS 7

Unison is one of the utilities that is used to replicate files between servers. A big advantage of Unison is its support for master-master replication.

Create account in WHM/cPanel from cli

WHM provides a very friendly interface for managing sites, users and databases on the server. Sometimes you have to create several hundreds of accounts for d...

OSSEC client-server installation

OSSEC is an open source attack detection and prevention system. It can be configured to monitor not only events in log files but also changes to files and ru...