How to check Operating System ( OS ) and Kernel Version in Linux
This article shows how we can know the operating system and kernel name, version, and other different information related to the system. An operating system ( OS ) is the…
How to use roles to organize playbooks by ansible galaxy
As you create more playbooks, you may find that you can utilize code from playbooks you have earlier created. For example , a playbook designed to set up a Nginx…
Prevent PHP error from being displayed on browser display_errors
PHP is a widely used server-side scripting language, but when an error occurs, PHP often displays it directly in the web browser. While this might help during development, showing errors…
How to search docker container image in a docker registry?
Docker, a popular containerization platform, provides a powerful command-line interface for managing containers and images. Container images are generally stored in image registries. Distribute through public or private users. Image…
How to Install AnyDesk on Ubuntu 22.04 Using terminal
In an interconnected world, remote access is very important and AnyDesk is used as a reliable solution. Due to the fast and secure remote access feature of any desk, it…
What are Ansible Content Collections and the role of ansible.builtin?
In Ansible, the concept of a content collection was introduced with the release of Ansible version 2.10. Essentially, a content collection combines modules, roles, and plugins for playbooks into a…
Installation of Red Hat Enterprise Linux 9 (RHEL 9)
Red Hat Enterprise Linux (RHEL) is a powerful and versatile operating system renowned for its stability, security, and performance. However, before embarking on your journey with RHEL, mastering the installation…
How to Encrypt or Decrypt String through Ansible Vault
Encrypting sensitive information in configuration files has become a standard best practice, especially in environments managed using Ansible. This article explores how to encrypt or decrypt a string through Ansible…
How to Remove the Special Permissions of Important Files and Stop Hackers
If you are using the Linux operating system, might be more vulnerable than you think. Intruders love exploiting weaknesses and another common technique is privilege escalation. This makes them take…
SSH Security: How to Set LoginGraceTime for Maximum Protection
This article explains the importance of the SSH parameter ‘LoginGraceTime’ in enhancing server security. It details how setting a shorter LoginGraceTime can minimize the risk of brute-force attacks by limiting…
Managing Packages with Ansible Using ansible.builtin.yum Module
In this article, we’ll describe the functionality and usage of the Ansible YUM module or ansible.builtin.yum or ansible.builtin.dnf, exploring how it simplifies package management tasks for administrators and DevOps engineers.…