Operations | Monitoring | ITSM | DevOps | Cloud

Ingesting various events and documents into Elasticsearch is great for detailed analysis but when it comes to the common need to analyze data from a higher level, we need to aggregate the individual event data for more interesting insights. This is where Elasticsearch Data Frames come in. Aggregation queries do a lot of this heavy lifting, but sometimes we need to prebake the aggregations for better performance and more options for analysis and machine learning.

In this guide, we will use Ansible as a Deployment tool in a Continuous Integration/Continuous Deployment process using Jenkins Job. In the world of CI/CD process, Jenkins is a popular tool for provisioning development/production environments as well as application deployment through pipeline flow. Still, sometimes, it gets overwhelming to maintain the application's status, and script reusability becomes harder as the project grows.

The OWASP ModSecurity Core Rule Set team has reported a Denial of Service vulnerability in ModSecurity version 3.x that allows an attacker to send a crafted payload that exploits a flaw in how regular expressions are matched within the software. A CVE (CVE-2020-15598) was assigned to this vulnerability and it has been rated with a CVSSv3 score of 7.5 (high).

“Transforming large manufacturing organizations like Continental is a huge technical and philosophical challenge. The emphasis is on finding the most intuitive and efficient way to modernize while maintaining competitive advantage.

DevOps and SRE teams are under intense pressure to reduce the Mean Time to Recovery (MTTR) in resolving incidents. With the proliferation of cloud services and the increasing complexity of DevOps toolchains, engineers today need to not only learn how to use these services but also troubleshoot them when an incident is raised at 2 AM. Incident response is still manual today – cobbling together runbooks and ad hoc scripts and orchestrating people to respond.