1. Protocol Basics Protocol PositioningEddystone is an open-source BLE beacon protocol launched by Google in 2015, supporting cross-platform (Android/iOS) and various data frame types, with a fixed service UUID of 0xFEAA.。 Core AdvantagesCompared to iBeacon, Eddystone has a fully open-source nature and supports dynamic data broadcasting (such as direct URL push).。 2. Frame Type Details … Read more
Introduction Ansible is a tool for deploying a group of remote hosts. It achieves communication between the management node and remote nodes through the SSH protocol. Theoretically, any operation that can be performed by logging into a remote host via SSH can be automated in bulk using Ansible. This includes tasks such as copying files, … Read more
nginx-role.yml roles/ └── nginx ├── tasks │ ├── group.yml # Create group │ ├── main.yml │ ├── restart.yml # Restart service │ ├── start.yml # Start service │ ├── templ.yml # Copy configuration file │ ├── user.yml # Create user │ └── yum.yml # Install service └── templates └── nginx.conf.j2 # Configuration file group.yml (0 … Read more
In our past technical practices, we have discussed how to achieve containerized deployment of the OpenStack cloud platform using the Kolla-Ansible tool. Now, with the dual demands of enterprise users for operational experience and system resilience, this article will integrate the new Skyline component into the Kolla-Ansible toolchain. Skyline, as the next-generation dashboard for OpenStack, … Read more
1. Introduction SSM is a lightweight server management platform that integrates Ansible and Docker, featuring graphical interface, modularity, and strong scalability. It allows for a series of tedious operations such as server deployment, container orchestration, resource monitoring, and alert notifications to be completed through a browser—no command line skills required, making it easy for beginners … Read more
Ansible-navigator Configuration You can obtain the default configuration by running <span>ansible-navigator –eei quay.io/ansible/awx-ee:24.6.1 settings –gs</span>. The <span>ansible-navigator</span> looks for the configuration files <span>ansible-navigator.yaml</span> or <span>ansible-navigator.yml</span>. Here is a default configuration: — ansible-navigator: # ansible: # config: # # Help options for ansible-config command in stdout mode # help: False # # Specify the path to … Read more
Ansible-navigator config <span>ansible-navigator config</span> is used to view Ansible’s configuration files within a container (equivalent to executing the <span>ansible-config</span> command inside the container). The available options are as follows: Parameter Type Default Value Description <span>-c</span>, <span>–config</span> <span>str</span> Auto-detect (according to Ansible’s default lookup order) Specify the path to the <span>ansible.cfg</span> configuration file <span>–hc</span>, <span>–help-config</span> <span>bool</span> … Read more
It was a Wednesday night at 11 PM, and I was about to pack up and leave when suddenly the product manager rushed over and said: “Bro, we need to deploy a new feature on 20 servers tomorrow, and configure nginx, redis, mysql…” At that moment, I felt overwhelmed. If I had to manually SSH … Read more
Ansible is an open-source automation configuration management tool based on OpenSSH. It can be used to configure systems, deploy software, and orchestrate more advanced IT tasks such as continuous deployment or zero-downtime updates. The main goals of Ansible are simplicity and ease of use, and it also places a strong emphasis on security and reliability. … Read more
