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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...]

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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...]

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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...]

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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...]

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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...]

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Ubuntu Server 18.04 WordPress Installation Bash Script (Beta)

We are supplying various free scripts, plugins for the past 8 years. Our Ubuntu server WordPress installation Bash Scripts for the previous Ubuntu versions were quite popular on GitHub. The big difference between the old and new is quite bigger. First, we have decided not to use Nginx anymore. Despite our guide on installation of WordPress on Ubuntu with Nginx is officially referred by WordPress, … [Read more...]

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How to Install Chamilo on Ubuntu Server (Learning Management Software)

Chamilo is a free software for e-learning. Chamilo runs on a LAMP server and easy to install. There are several LMS (learning management system) and similar software but Chamilo is easier and popular. Here is How to Install Chamilo on Ubuntu Server. Any learning management system (LMS) provides way for administration, documentation, tracking, reporting and delivery of educational courses or … [Read more...]

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Safer Value of HPKP and HSTS (And Why You Should Avoid)

It is unbelievable article title as we used to promote HPKP and HSTS since they are introduced. Majority of the websites used HPKP aka Public Key pinning unfortunately faced troubles, including us (which we published as guide), well known sites such as Smashing Magazine, Scott Helme's website. Most of these websites has published their experience of such bad incidence to warn the others. HPKP … [Read more...]

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How to Install or Renew SSL Cert on Ubuntu 18.04, Apache 2.4 (GeoTrust/RapidSSL/Comodo)

Although we have detailed guide on the same topic, there is necessity of an updated detailed guide for many users. Here Are the Detailed Steps & Commands on How to Install or Renew SSL Cert on Ubuntu 18.04, Apache 2.4. SSL Cert Provider Can Be GeoTrust, RapidSSL, Comodo Like CA. For this guide, we are assuming that the reader can manage own server via SSH and used with basic server management. … [Read more...]

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How To Install SBT and Scala on Ubuntu Server

sbt is a build tool for Scala and Java projects Like Apache Maven, Apache Ant. In our previously published guides, we have shown the steps to install Apache Maven and Gradle. Here Are The Steps on How To Install SBT and Scala on Ubuntu Server. This tool also not uncommon need while installation of Big Data tools. Initially full form of sbt was Simple Build Tool, but it is now known simply as … [Read more...]

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Install Apache Gearpump On localhost (Ubuntu, Windows 10 Bash, Mac)

Apache Gearpump is a real-time big data streaming engine, it is event/message based. We will need a running Gearpump service before we can submit and run first Gearpump application. There are multiple ways to run Gearpump - localhost mode, standalone mode, YARN mode and Docker mode. Obviously, the easiest way is to test run Apache Gearpump in local mode. Any Linux, MacOSX with Homebrew, or Windows … [Read more...]