Linux Command Line Tools This article serves as an introduction and learning guide to the core command line tools in Linux. These tools are key differentiators between Linux beginners and proficient users, mastering them will greatly enhance your efficiency and control. We will categorize them into four groups for explanation: The “Three Musketeers” of Text … Read more
011. Research Background In recent years, the number of subsidence and goaf areas formed during underground coal mining has increased significantly, which greatly impacts the safe operation of power lines. Transmission line towers bear the weight of the wires between adjacent towers. If the degree of inclination and the foundation settlement of the power lines … Read more
The greenhouse environment control system is a core support for modern agricultural production. By utilizing Siemens PLC, it achieves intelligent interlinked adjustments of multiple parameters such as temperature, humidity, and light, significantly improving crop yield and quality while reducing labor management costs. 1. Hardware Configuration PLC Selection The Siemens S7-1200 series CPU 1214C DC/DC/DC model … Read more
Since Baidu announced the donation of the edge computing framework Baetyl to the Linux Foundation in 2019, Baetyl has continuously received support and development in an open and neutral community environment, with several active developers bringing new features to Baetyl. These contributions have brought Baetyl closer to its fundamental goal of being a free, open, … Read more
Shell Module: Execute Any Command The shell module allows you to execute shell commands on remote hosts. For example, to view the list of files in the current directory on a remote host, you can use: ansible <host_server> -m shell -a "ls -l" <host_server> is the host or host group you want to operate on, … Read more
LoRaWAN is a low-power wide-area network technology suitable for Internet of Things (IoT) applications, offering advantages such as long-range transmission, low power consumption, and low cost. The LoRaWAN remote management solution for water meters utilizes LoRaWAN technology for remote monitoring and management of water meters, improving the efficiency and accuracy of data collection while reducing … Read more