10 Common Errors with Docker Containers and How to Fix Them
Troubleshooting made easy: Learn fixes and solutions for common Docker errors in this comprehensive guide. Enhance your container management skills and ensure seamless deployments. Table of Contents Introduction Docker containers have revolutionized the way we develop, deploy, and manage applications. However, even with their numerous benefits, working with Docker containers can sometimes lead to challenges […]
Enable FIPS on RHEL7 or CENTOS7
Are you a Linux professional looking to enhance your system’s security measures? Learn how to enable FIPS on your RHEL7/CentOS7 machine and ensure compliance with the Federal Information Processing Standard (FIPS) guidelines and standards. Table of Contents Introduction In the world of information security, compliance is essential. The Federal Information Processing Standard (FIPS) is a […]
Securing a PostgreSQL Database
Protecting your valuable data is crucial in the digital age, and one of the most important steps you can take is securing your PostgreSQL database with these ten essential strategies. Table of Contents Introduction PostgreSQL is an open-source relational database management system that is known for its scalability, reliability, and robustness. It was first released […]
Add multiple IP addresses using NMCLI
In this article, we’ll show you how to quickly add multiple IP addresses using NMCLI, a powerful command-line tool for configuring network settings on RHEL8/9 or CentOS 8/9 OS, streamlining your network administration tasks. Table of Contents Introduction NetworkManager Command Line Interface (NMCLI) is a tool that allows network administrators to configure network settings on […]
Install and Configure Apache Hadoop on Linux
Learn how to install and configure Apache Hadoop on Linux, the open-source framework that revolutionized big data management with its fault-tolerance, scalability, and support for various data processing frameworks. Table of Contents Introduction Apache Hadoop is an open-source framework used for distributed storage and processing of big data. It was initially developed by Doug Cutting […]
Install and Configure Redis on RHEL9/CentOS9
Looking to Install and configure Redis for your next project? Look no further! Redis is a versatile and high-performance data structure store that can be used as a database, cache, or message broker. Our step-by-step guide on how to install and configure Redis on RHEL9/CentOS9, along with examples of its basic usage, will help you […]
Install EPEL on Linux
In this article, we will guide you through the process of installing EPEL on various versions of RHEL and CentOS. Table of Contents Introduction The Extra Packages for Enterprise Linux (EPEL) is a repository of additional software packages that are not included in the default package repository of Red Hat Enterprise Linux (RHEL) and its […]
Install and Configure Sendmail on RHEL9 or CentOS9
Are you looking to install and configure Sendmail on RHEL 9 or CentOS 9 but don’t know where to start? Look no further! In this article, we’ll guide you through the process of setting up Sendmail in just a few easy steps. Table of Contents Introduction Sendmail is a widely used mail transfer agent (MTA) […]
Install Python SciPy on RHEL9 or CentOS9
In this article, we will learn how to install Python SciPy on CentOS9 or RHEL9, the powerful library for advanced mathematics, statistics, and optimization! Table of Contents Introduction SciPy is a Python library used for scientific and technical computing. It provides a range of modules for optimization, integration, linear algebra, signal and image processing, and […]
Enable TLS1.2 on Cockpit Server using Ansible
Are you looking to enhance the security of your server? Learn how to enable tls1.2 on your cockpit server using Ansible and keep your data safe from potential threats. Introduction In a previous article (below), we reviewed a scenario where your security team had informed you about a vulnerability on your cockpit servers (naturally running […]