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...]
Arduino Blink LED Rate Depending On Push Button Press Duration
We Can Use millis() To Perform Many Things Without Using the delay() Function. We can code to read a push button to determine the rate at which the LED should blink. In that system, if we hold the push button down for x milliseconds, the LED will blink on and off every x milliseconds. Here is Arduino Blink LED Rate Depending On Push Button Press Duration Guide With Circuit and Code. For our … [Read more...]
Apache2 IPv6 Virtual Host Configuration (Ubuntu Server)
Most Important Part of Apache Web Server is Virtual Host. Commonly we show IPv4 configuration for the beginners. Here is Apache2 IPv6 Virtual Host Configuration For Ubuntu Server. For this guide, we are assuming that the readers are using Ubuntu 16.04 or Ubuntu 18.04 and has followed our guide to install Apache on Ubuntu 18.04. Our guide is different from gross guides on web as we use Ondřej … [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...]
What is Momo Game? How It Makes to Commit Suicide?
Momo challenge lately has been a global threat. What is Momo Game? Momo is not really a game. Momo challenge is a cyber bullying. Usually the victim receives a Whatsapp message from an unknown number. Receiving such one assumes as new friend and proceed to chat day by day. It might be an automated chatbot. From that chat, the attacker receives privacy information. It is just an odd work by some … [Read more...]
Arduino LED Blink Rate Control With LDR
Just Like We Can Vary The Rate of Blink With Heart Rate Sensor, We Can Control The Rate of Blink of LED Depending Upon How Much The Light is Present. That is Exactly What Arduino LED Blink Rate Control With LDR Will Show With Sample Code. We we connect LDR with Arduino, on Arduino IDE's serial monitor we can get a value on dark and highest light. That exactly the thing we use for more easy project … [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...]