Archive: Uncategorized

SSL Certificate Purpose flag “Any Purpose”

No comments

Most certificates are issued with a set of purpose which allow to limit certificate usage. If you are planning to use an SSL certificate for encryption, you need to check your certificate purposes extension. Imagine that you are planning to create a web service that use SSL/TLS client authentication. This would be very helpful to […]

Consul Dynamic Infrastructure

No comments

Consul – Dynamic Infrastructure Consul is a distributed service mesh to create dynamic infrastructure and manage service configurations across any runtime platform. The project is hosted at Github under the Mozilla Public License, version 2.0. Consul provides several key features: Service Discover Health Checking Service Segmentation Multi-Datacenter It aims to shift from static infrastructure to […]

Deployment of Ansible AWX on OpenShift Origin

No comments

Deployment of Ansible AWX on OpenShift Origin Red Hat and Ansible are agreed to creating an open-source project around the Ansible Tower codebases which was named Ansible AWX. The AWX source code is available under the Apache License 2.0. This project is hosted at Github. Ansible is an automation technology for the management of IT […]

TCP 3-Way Handshake

No comments

TCP 3-Way Handshake TCP (Transmission Control Protocol)  is a relatively complex protocol standard that defines how to establish and maintain a network conversation to exchange data. TCP works with Internet Protocol (IP) to define how computers send package to each other. TCP is connection-oriented protocols, which means connections must be established before any data is sent. […]

Apache Tomcat JDBC Connection Pool configuration for Oracle Real Application Cluster(RAC)

No comments

In this  article we ‘ll focus  on create high-concurrency connection pool for Apache  Tomcat. You can check a  simple  tomcat JDBC connection pool which added  below. We create a TestDB connection  pool which connects  Oracle  Database  server. The  first configuration  that  we notice “factory”. When tomcat  process  reads “javax.sql.DataSource”  it will automatically configure DBCP  and  the  factory  object  […]