Managing sensitive data securely is very important. Whether it’s passwords, API keys, or other confidential information, properly storing and accessing these secrets is crucial for maintaining the integrity and security of your systems. Ansible Vault is a powerful tool to address this challenge.
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In configuration management and automation, templates play a very important role. They allow you to create dynamic, reusable file content by using variables and other expressions in text files. In the context of Ansible, the template engine of choice is Jinja2. You will create mostly configuration templates in Jinja2 format, and address them in your…
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Conditional statements allow you to control the task execution based on specific conditions, ensuring that your playbooks respond appropriately to varying scenarios. Loops are control structures that allow you to repeat tasks across multiple items, such as iterating through a list of packages or files.
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Ansible playbooks are the core components of Ansible. Playbooks are written in YAML format and describe a set of tasks that need to be executed on the managed systems. A playbook consists of one or more plays, and each play defines a set of tasks to be performed on a group of hosts. Tasks are…
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An Ansible inventory is a structured list of hosts or nodes that Ansible can manage, providing a foundation for orchestrating automation tasks across a network. This inventory file typically contains information about the hosts’ IP addresses, connection details, and grouping, allowing users to organize and categorize systems based on their roles, functions, or other criteria.
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Ansible consists of several key components that collectively build a robust automation and configuration management. Ad-hoc commands are the easiest and fastest way to run some commands remotely or on a host. You have to understand the basic terminology to do this, so here is a quick start, and later we are going to go…
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Ansible can be installed on a large variety of systems, but most people and companies run it on Linux hosts. Small companies and startups (with only a few administrators) do not dedicate a server for it, rather they use the admin workstations or notebooks. When a company grows and more people work on the environment…
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The Ansible Basics course is a new, free series from Tom’s IT Cafe for those who want to learn the foundations of automation, configuration management and infrastructure as code. The structure of the course is simple, starting with the installation of Ansible, through its configuration, to some examples of the usage. You have to understand…
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Jenkins is a platform for creating a Continuous Integration/Continuous Delivery (CI/CD) environment. It is written in Java and provides support for various version control tools such as Git, running Bash scripts and Windows batch files, building Ant and Apache Maven-based projects, and more. Jenkins helps build, test, and continually deploy software. It is an open-source…
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Containerization has revolutionized the way we deploy and manage applications, offering lightweight and scalable solutions for a variety of workloads. The Podman, a container management tool, provides a flexible and user-friendly alternative to traditional container orchestration systems.
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Automation has become a cornerstone of modern IT operations, and Ansible stands as one of the most popular tools for configuration management, application deployment, and task automation. Ansible simplifies these processes through its role-based approach, making it easier to manage complex infrastructure and streamline workflows. In this blog post, we will explore how to create…
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DevSecOps is a term that combines development, security, and operations. It is a framework that integrates security into all phases of the software development lifecycle, from planning to deployment and beyond. DevSecOps aims to make security a shared responsibility of everyone involved in the software delivery process, rather than a separate function that is performed…
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In the fast-paced world of technology, efficiency and automation are key to staying competitive and managing resources effectively. Small and medium-sized businesses (SMBs) are no exception, and one powerful tool for automating IT operations is Ansible. We -at Tom’s IT Cafe- start a new series of blog posts where, we will guide you through the…
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Ansible is a powerful automation and configuration management tool widely used in the DevOps world. One of the recent additions to Ansible is Execution Environments, which simplifies the management of Ansible collections and dependencies. In this blog post, we will explore what Ansible Execution Environments are and provide a quick start guide to help you…
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In the digital age, small companies are increasingly becoming prime targets for cyber criminals due to their often limited security resources and vulnerabilities. To safeguard their digital assets and sensitive data, it is crucial for small companies to conduct regular security checks. Tenable Nessus Essentials, a powerful vulnerability scanner, is an ideal solution for these…
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