Ansible is a powerful automation tool that’s used to provision, manage, and deploy software applications to numerous servers without any downtime. It uses YAML, which is a straightforward language that is easily understood by humans, for its playbook files. This makes Ansible very popular among developers and system administrators. But while Ansible on its own […]
6 Compelling Reasons to Use Ansible Semaphore Read More »
PHP-FPM (FastCGI Process Manager) is an incredibly powerful tool for boosting the performance of your PHP applications. However, it can also consume significant amounts of memory if not properly configured, impacting your application’s performance. In this blog post, we will guide you on how to analyze and optimize the memory usage of PHP-FPM workers. 1.
Tuning Memory Usage for PHP-FPM Workers: An In-depth Guide Read More »
NGINX is a highly reliable, high-performance web server, reverse proxy server, and load balancer. Since its inception, NGINX has earned a reputable place in the IT industry due to its versatility, speed, and efficiency. However, setting up NGINX isn’t always a walk in the park, especially for the uninitiated. Even experienced system administrators can fall
Four Common Mistakes System Administrators Make When Setting Up NGINX Read More »
Greetings, systems administrators! If you’re responsible for managing one or more servers, chances are you’re already familiar with the utility and necessity of SSH keys. Secure Shell (SSH) keys offer a secure way of logging into a server with SSH, providing a safer and more efficient alternative to password-based logins. However, as powerful as they
8 Essential Tips for Using SSH Keys Read More »
As a system administrator, one of your many responsibilities is managing and maintaining the email servers of your organization. If you’re using Exim, one of the most popular message transfer agents (MTA) on Unix-based systems, understanding the Exim mail log is crucial. In this blog post, we’re going to dive into five important things you
Five Key Things System Administrators Should Know About Reading the Exim Mail Log Read More »
If you’re a Linux or Unix user, you’ve likely encountered the “rsync” command in your coding journey. Rsync, an abbreviation for ‘remote sync’, is a free software utility for Unix-like systems that provide fast, versatile, remote (and local) file copying. Essentially, it’s a tool that syncs files and directories between two locations within a host
Three Crucial Points You Should Know About the Rsync Command Read More »
The dig command, short for Domain Information Groper, is a flexible and powerful command-line tool used for querying DNS servers. It provides information about various DNS records, including A (IPv4), AAAA (IPv6), MX (Mail Exchange), NS (Name Server) records, and more. Here are four ways a Linux system administrator might use the dig command: Remember
