Ansible

Ansible: From Beginner to Abandonment (Twenty-Seven)

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Ansible: From Beginner to Abandonment (Twenty-Seven)

Setting Environment Variables for Managed Nodes in Ansible Ansible Playbook sets variables for managed hosts through <span>environment</span>. – name: test environment hosts: all become: true gather_facts: true environment: test_path: testpath PATH: "/usr/local/custon_software/bin/:{{ ansible_env.PATH }}" tasks: – name: get env ansible.builtin.shell: /bin/env register: shell_result – name: print env ansible.builtin.debug: var: shell_result.stdout_lines In this example, Ansible adds … Read more

Ansible Firefighting Hotline Series – (19) Automated Diagnosis of Httpd Service

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Ansible Firefighting Hotline Series - (19) Automated Diagnosis of Httpd Service

🔍 Ansible Firefighting Hotline | Struggling with Httpd Service Troubleshooting? One-Click Automated Diagnosis Turns You into a Web Expert! Are you still struggling with chaotic troubleshooting of httpd service failures? Today, we bring you a comprehensive automated analysis solution for RHEL8/9 & CentOS8/9 httpd service failures, allowing you to say goodbye to the nightmare of … Read more

Ansible Firefighting Hotline Series (20): Automated Analysis of Nginx Service Failures

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Ansible Firefighting Hotline Series (20): Automated Analysis of Nginx Service Failures

🔍 Ansible Firefighting Hotline | Struggling with Nginx Service Failures? One-Click Automated Diagnosis Turns You into a Web Expert! Are you still struggling with chaotic troubleshooting of Nginx service failures? Today, we bring you a comprehensive automated analysis solution for Nginx service failures on RHEL8/9 & CentOS8/9, allowing you to say goodbye to the nightmare … Read more

5 Common Pitfalls to Avoid When Deploying Services in Bulk with Ansible

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5 Common Pitfalls to Avoid When Deploying Services in Bulk with Ansible

In the field of operations automation, Ansible has become a powerful tool for bulk service deployment due to its agentless architecture, declarative syntax, and rich modules. However, even experienced operations personnel often stumble over seemingly simple details during actual operations. This article, based on over 200 production environment deployment experiences in the past three years, … Read more

Ansible Playbook Task Import: From Basics to Advanced

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Ansible Playbook Task Import: From Basics to Advanced

Ansible Playbook Task Import When using Playbooks, there may be some frequently used Plays. In this case, you can utilize the import method in Playbooks to reuse the same Play. The imported tasks serve as a task template (without the <span>hosts</span> and <span>tasks</span> fields, as shown in the example below). There are two modes for … Read more

Ansible: Core Concepts and Application Scenarios

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Ansible: Core Concepts and Application Scenarios

Welcome to the Python teaching column! Today, we will explore a very practical automation operation and maintenance tool—Ansible. Ansible is an open-source tool written in Python that automates the configuration, coordination, and management of computer systems. Whether you are a beginner or an experienced developer, this article will quickly help you grasp the basic concepts, … Read more

Detailed Explanation of Common Ansible Modules

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Detailed Explanation of Common Ansible Modules

Although there are many modules, only about 20 to 30 are commonly used. For specific business needs, only about a dozen modules are frequently used. Reference for common module documentation: https://docs.ansible.com/ansible/2.9/modules/modules_by_category.html https://docs.ansible.com/ansible/2.9/modules/list_of_all_modules.html https://docs.ansible.com/ansible/latest/modules/list_of_all_modules.html https://docs.ansible.com/ansible/latest/modules/modules_by_category.html Command Module Function: Execute commands on remote hosts. This is the default module, and the -m option can be ignored. Note: … Read more

A Step-by-Step Guide to Mastering Ansible Configuration

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A Step-by-Step Guide to Mastering Ansible Configuration

Why Has Ansible Become an Essential Tool for Operations? Agentless Architecture: Direct connection via SSH protocol, no need to pre-install clients on target machines Declarative Syntax: Playbooks written in YAML, configuration is documentation Modular Design: 2000+ built-in modules covering cloud management, networking, containers, and more Idempotence Guarantee: Repeated execution does not change the final state … Read more

Ansible Firefighting Hotline Series – (18) Automated Network Fault Diagnosis

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Ansible Firefighting Hotline Series - (18) Automated Network Fault Diagnosis

🔍 Ansible Firefighting Hotline | Tired of Troubleshooting Network Latency? One-Click Automated Diagnosis Turns You into a Network Expert! Are you still struggling with network latency issues and troubleshooting blindly? Today, I bring you a comprehensive RHEL8 automated analysis solution for network latency, allowing you to say goodbye to the nightmare of manually typing commands! … Read more

Ansible Emergency Hotline Series: Linux Automation – (17) RHEL9 Standardized Configuration

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Ansible Emergency Hotline Series: Linux Automation - (17) RHEL9 Standardized Configuration

🤖 Ansible Emergency Hotline | Is RHEL9 Standardized Configuration Too Complicated? One-Click Automation to Say Goodbye to Repetitive Work! Tired of repeatedly configuring users, firewalls, and time synchronization for each RHEL9 server? Today, we bring you a comprehensive Ansible automation solution that will help you say goodbye to the nightmare of manual configuration! 🎯 Pain … Read more