Across a variety of large, global companies, DevOps teams are adopting containers and microservices, two of many new tools and practices that are offering solid business benefits. Developers use containers and microservices in many tasks, from app delivery to migration of legacy systems to cloud servers. The increased popularity in containers and microservices can be attributed to their impact on agile cloud environments, with benefits that include increased efficiency, greater speed of delivery, and the ability to do more with existing resources. And while the benefits of containers and microservices are causing an increase in usage, there are also some complexities to be aware of. For example, while usage is exploding, many developers are still learning how to use these relatively new tools and practices. This means organizations must maintain data security, system reliability, and other service levels during the learning curve. Read this guide to get an introduction on how to effectively implement and monitor containers and microservices.
One of the key benefits of using open source testing tools is having the flexibility of customizing them for unique use cases and complementing them to meet special app testing requirements. There are plenty examples on the market where organizations positioned test frameworks, such as Selenium WebDriver/Grid and Appium, as technology foundation for custom tailored test solutions satisfying special requirements. Within this book, a similar example of extending the Selenium WebDriver test framework will be provided. The value of this approach will be illustrated through a powerful open source test framework named Protractor. We take a look at extending the capabilities of open-sourced testing tools. It'll help you take your testing skills to the next level. Learn: How to extend the power of open source testing tools, Special challenges presented by hybrid apps, How well-defined processes can save your DevOps teams time, How using proper scripting in open source tools can help eliminate flaky tests
Apache ActiveMQ is an open source message broker written in Java together with a full Java Message Service (JMS) client. It provides "Enterprise Features" which in this case means fostering the communication from more than one client or server. Supported clients include Java via JMS 1.1 as well as several other "cross language" clients. The communication is managed with features such as computer clustering and ability to use any database as a JMS persistence provider besides virtual memory, cache, and journal persistency. The ActiveMQ project was originally created by its founders from LogicBlaze in 2004, as an open source message broker, hosted by CodeHaus.
Nginx is an open source HTTP and reverse proxy server, as well as a mail proxy server, load balancer, and HTTP cache. The nginx project started with a strong focus on high concurrency, high performance and low memory usage. It runs on Linux, BSD variants, Mac OS X, Solaris, AIX, HP-UX, as well as on other *nix flavors. It also has a proof of concept port for Microsoft Windows. According to Netcraft nginx served or proxied 17.65% busiest sites in March 2014. This ebook will introduce you to the magic of nginx. Learn to install and configure nginx for a variety of software platforms and how to integrate it with Apache. Additionally, you will get involved with more advanced concepts like Load Balancing, SSL configuration and Websockets proxying.
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