Hello everyone! I am Lao Kou! Let’s learn how to debug gateway devices together. For those who have worked with the Internet of Things (IoT), you are very familiar with gateway devices. From a beginner’s perspective, I will guide you step by step on how to debug these devices! In my work, I use the … Read more
Originally, I had one China Telecom broadband connection installed at home. Recently, China Mobile offered me a free broadband connection, so I accepted their offer and requested an installation technician to set up the mobile broadband. Initially, I planned to purchase another ASUS router to create a dual-router setup, but I discovered that OpenWrt can … Read more
Hello, everyone! I am Lao Kou! Let’s learn about network configurations together. Due to work requirements, I need to familiarize myself with the network configurations of gateway devices, so I organized this for easy reference. I still remember when I was in college, my teacher taught us about computer networks, but I wasn’t paying attention … Read more
Hello everyone, I am the Mixed Bag Master. Previously, we shared useful information about using udhcpd in embedded Linux devices to enable wireless AP/access points. udhcpd is a lightweight implementation of the DHCP (Dynamic Host Configuration Protocol, 动态主机配置协议) server. It is typically used in resource-constrained embedded systems or small network environments. It stands for Universal … Read more
Disclaimer The user is responsible for any direct or indirect consequences and losses caused by the dissemination and use of the information provided by this public account, and the public account and the author bear no responsibility. Please bear the consequences yourself! If there is any infringement, please inform us, and we will delete it … Read more
Ansible Firefighting Hotline Series (10): Automating Linux Network Configuration with rhel-system-roles.network #Linux #Automation #Ansible #Network #NetworkManagement #NetworkConfigurationAutomation 🔥 Say Goodbye to Complexity! Why is Network Configuration in Need of Automation? Dear operations engineers, SREs, and cloud engineers, please recall these moments that give us headaches: •New Machine Setup 🤯: Dozens of new servers arrive, and … Read more
Summary of Common Linux Commands Introduction As a mainstream operating system in the server field, the command line operations of Linux are essential skills for every developer and operations personnel. This article summarizes the most commonly used commands in the Linux system, covering various aspects such as system management, file operations, permission control, network configuration, … Read more
Click the blue text to follow us 1 Introduction Last week, while I was happily playing games on Sunday, a client urgently reported: “The virtual server we created cannot be accessed via Remote Desktop!” My dedicated DNA instantly awakened, and I quickly began troubleshooting! 2 Network Topology The hyper-converged platform and gateway device are directly … Read more
1. Environment Preparation 1. Hardware Check bash egrep -c ‘(vmx|svm)’ /proc/cpuinfo # Return value>0 indicates support for virtualization lsmod | grep kvm # Check KVM module 2. System Update bash dnf update -y reboot 3. Install KVM Components bash dnf install -y qemu-kvm libvirt virt-install virt-viewer bridge-utils systemctl enable –now libvirtd 2. Network Configuration (Bridged … Read more
Total text: 888 words, 24 images,Estimated reading time: 1 minute Previously, we successfully deployed OpenWrt on an x86 ESXi server (Deploying OpenWrt on x86 servers), but we did not set a root password, which is very insecure. Let’s quickly set a password under “system” → “Administration”, with a minimum length requirement of 6 characters. System … Read more