Linux
OPcache is a type of OPcode caching. It is a powerful PHP extension built to enhance PHP performance. It works by storing pre-compiled script... In this short article, I’m going to share how to schedule a python script using supervisor. Let’s get started: Table of Contents Install Supervisor... The supervisor is a client/server system that allows its users to monitor and control a number of processes on UNIX-like operating systems. In this... In this article, I’m going to show how to install netcat on RHEL/CentOS 8. Let’s get started: Table of Contents Installation Verification Usage Installation... Infrequently it happens on CentOS. MySQL/MariaDB stops working and our web application crashes. At this situation we have to login to SSH and restart... Sometimes we face “cURL error 7: Failed to connect to permission denied” this type of error due to our server permission. Most of the... Sometimes we need to hide PHP version from our webserver to hide PHP version identy. It helps us to prevent malicious attacks. In this... In this article, I’m going to show how to hide Nginx server signature in Linux. Generally, on 404 page, the server shows it’s version... Typically, SSH keys is more secure and convenient than traditional password authentication. In this article, I’m going to show how to setup SSH key-based... In this article, I’ll install Stress on Linux machine and test CPU and memory load with Stress. Let’s get started: Table of Contents Install... In this article, I’m going to show how to install the Imagick PHP extension on RHEL/CentOS 7. Let’s get started: Table of Contents Install... Directory listing allows the contents of a directory to be displayed upon request from a web client. It’s not good. To secure our web application we... In this article, I’m going to show how to install phpredis on RHEL / CentOS 8. Let’s get started: Table of Contents Install Redis... Hello server administrator, in this article I’m going to share how to create MariaBD error log flie on CentOS. I’m testing on CentOS 8.... In this article, I’m going to share how to install Postfix on CentOS 8 server. Let’s see: Table of Contents Remove Sendmail Install Postfix... Today I’m going to share the solution of mysqli_connect(): (HY000/2002): Permission denied error. Let’s see: Table of Contents Reason Solution Reason This error occurs... Composer is an application-level package manager for the PHP programming language that provides a standard format for managing dependencies of PHP software and required... Security-Enhanced Linux (SELinux) is a Linux kernel security module that provides a mechanism for supporting access control security policies, including mandatory access controls (MAC). SELinux is... 
