Cloud Computing

Cloud computing is becoming more and more important. Here are articles on Cloud Computing,Cloud Server,SaaS,PaaS,IaaS and Cloud related technology.

Analysis of Jenkins for DevOps : Part I

Jenkins is a software system developed for maintaining collaboration, quality management, agility. Modern IT projects require high-quality delivery. At the same time, the process must be fast enough to respond to the ever-changing demands of operational business. Misconceptions about the coexistence of these two issues, quality management and agility, often cause irritation or even frustration for … [Read more...]

Ubuntu 18.04 Apache Reverse Proxy, Loadbalancer Configuration Step by Step

In our older guides we have shown to configure Nginx as IPv6 reverse proxy. Apache Webserver also can work as loadbalancer. Here is Ubuntu 18.04 Apache Reverse Proxy, Loadbalancer Configuration Step by Step Guide. For HSTS site, the configuration and steps are quite complex and probably Nginx is lighter and easy to consider. It is PHP-FPM which throws odd errors with Nginx, but Nginx is highly … [Read more...]

Staging Environment vs Production Environment

We often say "test in your dev server". DEV, TEST, STAGING, PROD Are Common 4 Environments in Software Development. What Are The Differences Between Staging Environment vs Production Environment? We need to know about all four environments in brief - DEV, TEST, STAGING, PROD. PROD or production environment is exactly what this site is - the live site, it is the fully functioning real site. Except … [Read more...]

How To Install Memcached on Ubuntu Server And Configure WordPress

In previous guide, we installed APC cache on Ubuntu 18.04. Here Are The Steps On How To Install Memcached on Ubuntu Server 16.04, 18.04 And Configure WordPress To Optimize Page Loading Speed. APC is an opcode cache. APC cache chunks of PHP code and stores it in RAM. When we need to run that same piece of code again APC already cached it and runs from memory at lightning fast. An opcode cache is … [Read more...]

WordPress High Load Average With W3 Total Cache : Troubleshooting

Cache plugins designed to decrease load average of servers running WordPress. But, There Can Be Situations Where We May Face WordPress High Load Average With W3 Total Cache. In Such Case, We Need To Use WP Super Cache With Other Plugins. It is not always possible to troubleshoot everything but it is important to run a security audit, check any missing PHP modules. Why You Can Face … [Read more...]

How To Install APC on PHP 7.2 (Ubuntu LAMP Server)

APC is an Important Part For WordPress Like Web Software to Speed Up. Here is How To Install, Configure APC on PHP 7.2 on Ubuntu LAMP Server. We have older guides on this website to setup APC for PHP 7.0. However, PHP 7.2 needs slight different commands (which may be difficult for an not so used to configure). Although Zend Op Cache is sufficient for many web software, APC Object Cache backend for … [Read more...]

Knowledge Discovery in Databases : Part III

In Part I of Knowledge Discovery in Databases, we discussed about the database systems, fundamentals of statistics and Big Data and fundamentals of knowledge discovery in databases. In second part of Knowledge Discovery in Databases, we discussed the process of the Knowledge Discovery in Databases and Methods of the Knowledge Discovery in Databases. In This Third Part of Knowledge Discovery in … [Read more...]

MariaDB Vs Percona For WordPress Installation

Regular visitors of this website probably noticed we preferentially use Percona MySQL in our tutorials and scripts. Whereas, most of the sysadmin related websites and guides for installation of WordPress uses MariaDB. Here is a Practical Comparison of MariaDB Vs Percona For WordPress Installation. Do we have any special reason to prefer Percona MySQL? Yes. We are long term users of Percona. We are … [Read more...]