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Today after installing Java 12 on my laptop, I started seeing some issue about compiler version mismatch. In this tutorial we will go over steps on how to fix these errors. Error: A JNI error has occurred, please check your installation and try …
Amazon AWS is no doubt the best public cloud out there. As we discussed in previous tutorials, Ansible is a very handy tool for sysops to maintain their company infrastructure. In this tutorial we will go over steps on how to create, start and …
There is no doubt Amazon AWS is the biggest public cloud provider out there. I personally started playing with Amazon AWS for few of Crunchify's clients and I must say AWS is so flexible. I use my Macbook Pro for all of my development activities. …
Read Article about How to Setup Amazon AWS CLI (Command Line Interface) on MacOS or Linux? →
What is pre_tasks in Ansible? pre_tasks is a task which Ansible executes before executing any tasks mentioned in .yml file. Consider this scenario. You provisioned a new instance on Amazon EC2 cloud or Google Cloud. First thing you need to do …
What is Boto? Boto is an Amazon AWS SDK for python. Ansible internally uses Boto to connect to Amazon EC2 instances and hence you need Boto library in order to run Ansible on your laptop/desktop. Recently I started playing with Amazon EC2 and …
Apache Tomcat (or simply Tomcat) is an open source web server and servlet container developed by the Apache Software Foundation (ASF). Tomcat implements the Java Servlet and the JavaServer Pages (JSP) specifications from Oracle Corporation, and …
Heap Size: When a Java program starts, Java Virtual Machine gets some memory from Operating System. Java Virtual Machine or JVM uses this memory for all its need and part of this memory is call java heap memory. Whenever we create object using new …
Read Article about JVM Tuning: Heapsize, Stacksize and Garbage Collection Fundamental →
comment_form() outputs a complete commenting form for use within a WordPress template. Most strings and form fields may be controlled through the $args array passed into the function, while you may also choose to use the …
Enums are lists of constants like unchangeable variables. Have you heard of Final keyword? It's like that. When you need a predefined list of values which do represent some kind of numeric or textual data, you should use an enum. For instance, in …