DevOps

Python Programming in Practice: Advanced Skills and Career Development in Automated Operations (Ansible, Fabric)

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Python Programming in Practice: Advanced Skills and Career Development in Automated Operations (Ansible, Fabric)

In modern software engineering, automated operations have become a fundamental capability. Whether it is deploying applications, managing servers in bulk, performing daily operational tasks, or building CI/CD pipelines—automation is the core means to improve efficiency and reduce human errors. Python has two heavyweight tools in the field of operations: • Ansible: A mainstream, agentless automation … Read more

The Rust Marvel! This Agent Provides DevOps with Unmatched Security

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The Rust Marvel! This Agent Provides DevOps with Unmatched Security

The Rust Marvel! This Agent Provides DevOps with Unmatched Security Brothers, have you ever had this experience: At 2 AM, the online service crashes. You rub your eyes while typing commands in the terminal,<span>kubectl logs</span>, <span>docker ps</span>, <span>tail -f /var/log/app.log</span>… frantically troubleshooting, thinking to yourself, “If only there were an AI that could help me … Read more

14 Ansible One-Liners to Automate Daily DevOps Tasks

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14 Ansible One-Liners to Automate Daily DevOps Tasks Handle quick fixes, checks, and cleanup operations without writing a full playbook. If you frequently use Ansible, you know how it can quickly save hours of tedious work, but not every small task requires a full playbook. Sometimes, a single Ansible command can handle a task faster … Read more

Getting Started with Ansible: Managing One Hundred Servers with YAML Files

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0. Introduction: Why You Need a “Magic Tool” Instead of “Common Commands” In the daily operations of many people, when faced with dozens or even hundreds of servers, a question often arises—Is there a way to make these machines move simultaneously as if they were listening to a conductor? Ansible is that conductor’s baton. Its … Read more

Which Cloud Server System is Better: Rocky Linux or Ubuntu?

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Choosing between Rocky Linux and Ubuntu as a cloud server system does not have a definitive “better” option, only a “more suitable” one. Both are excellent choices, but they have significant differences in positioning, philosophy, and ecosystems. I will provide a detailed comparison from multiple dimensions and give a final recommendation. Core Summary: One Minute … Read more

Linux System Performance Metrics

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Linux System Performance Metrics In today’s digital age, Linux, as a representative of open-source operating systems, is widely used in servers, cloud computing, embedded devices, and development environments. System performance metrics are key to assessing the health of Linux systems. By monitoring these metrics, administrators can promptly identify bottlenecks, optimize resource allocation, and ensure business … Read more

DevOps Automation in Embedded System Development: Tools, Benefits, and Challenges

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DevOps Automation in Embedded System Development: Tools, Benefits, and Challenges

DevOps, as a new methodology in the field of software engineering, emphasizes a culture of communication and collaboration between software development teams (Dev) and operations teams (Ops), enabling developers to build, test, and release software more quickly and reliably. DevOps encompasses Agile Development, Continuous Integration (CI), Continuous Delivery (CD), and application monitoring (or Continuous Deployment, … Read more

In-Depth Exploration of Linux: From Kernel to Supercomputers, Why It Is Ubiquitous?

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In-Depth Exploration of Linux: From Kernel to Supercomputers, Why It Is Ubiquitous?

In-Depth Exploration of Linux: From Kernel to Supercomputers, Why It Is Ubiquitous? You may know that Linux is an open-source operating system that can run on almost all computing platforms, from personal computers to smartphones, servers, and mainframes. However, what you really need to understand is that despite its unique naming conventions (such as shortening … Read more

How to Implement Continuous Integration and Deployment for Siemens PLC?

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How to Implement Continuous Integration and Deployment for Siemens PLC?

Click the blue text to follow us How to implement continuous integration and deployment based on Siemens PLC? These DevOps practices make your automation project development more efficient and agile! Hello everyone, I am Hanhan. Today we are going to discuss an interesting topic – how to apply continuous integration and continuous deployment (CI/CD) from … 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