In professional shared hosting, many a times user directory is redirected towards a subdomain. They usually acheive it via some scripting langugage like Perl, PHP with or without MySQL like database. However, we can use just Apache module `mod_rewrite`'s dynamic mass virtual hosts feature to acheive near same result. Here is how to automatically redirect subdirectory to domain with Apache … [Read more...]
Install Jupyter Notebook and TensorFlow On Ubuntu 18.04 Server
On our earlier guides, we installed PyTorch and TensorFlow on Ubuntu server. Those guides are important to understand how to install graphics driver and installing in basic way. We have separate guides on installing Jupyter Notebook. Here is How To Install Jupyter Notebook and TensorFlow On Ubuntu 18.04 Server. It is probably easy to install Anaconda for Python packages. We have separate guides to … [Read more...]
Configure Apache With Fail2Ban on Ubuntu 18.04
Our oldest guide on fail2ban on this website is Installing Fail2ban on Ubuntu 14.04. In this context, it is important to read the article on pam_unix(sushi:auth): authentication failure, which is result of a type of attack. Here is How To Configure Apache With Fail2Ban on Ubuntu 18.04 to block more types of malicious attempts towards server to create a practical firewall. If you are pretty new to … [Read more...]
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...]
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...]
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