Have you ever had this experience? While typing commands on a Linux server, you decide to try Docker, but when you run <span>docker run</span>, the system coldly responds with “permission denied”. You sigh, switch to root, use sudo, and the container starts, but there’s always a nagging feeling—what if a script goes awry and root … Read more
Abstract This article focuses on practical operations with Docker, introducing the usage of the docker ps container command, covering the acquisition, operation, and homepage modification of the Nginx image, explaining the features, installation, uninstallation, and operation of the BusyBox tool, and also involving the pulling and pushing of images to Hub and the creation and … Read more
Last year, an electronics company in Wuxi faced a shortage of containers during the peak logistics season, resulting in a temporary price increase of $2000 per container from the shipping company, significantly compressing their profits. This situation is not uncommon in the international logistics circle. Those engaged in import and export business know that choosing … Read more
Importing Local Images into OpenWRT This article takes the AX5’s QWRT as an example; other OpenWRT operations are similar. If there are inconsistencies, feel free to ask AI or similar resources. Uploading the Image Navigate to<span>System</span> ➥ <span>File Transfer</span>, select the local image, and click<span>Upload</span>: Uploading the Image This image is from the backup of … Read more
What do SOC and COC mean in logistics inquiries?SOC (Shipper’s Own Container) — Owner’s Own ContainerA container purchased, leased, or owned by the shipper (owner).From the moment you own this container, it belongs to you, and you are responsible for its allocation, maintenance, and recovery.Imagine owning a car; you can go wherever you want, and … Read more
Click the blue text above to follow us Host Configuration Planning Pod Container Lifecycle Pause Container Description Each Pod runs a special container called the Pause container, while other containers are business containers. These business containers share the network stack and Volume mounts of the Pause container, allowing for more efficient communication and data exchange … Read more
Introduction to Ansible-navigator In simple terms, <span>ansible-navigator</span> runs Ansible tasks through containers. The <span>ansible-navigator</span> calls the <span>ansible-runner</span> API to start the container and execute tasks. ┌──────────────────────────────────────────────┐ │ 🟦 ansible-navigator │ │ – Reads .ansible-navigator.yml │ │ – Parses CLI arguments │ │ – Constructs execution context │ └────────────┬─────────────────────────────────┘ │ calls ansible-runner API ▼ ┌──────────────────────────────────────────────┐ │ … Read more
Resolving Ansible Version Compatibility Issues with Containers Ansible and Python have version dependencies; different versions of Python support different versions of Ansible. Control Node Python Support Target Node Python Support Ansible and Python version incompatibility can lead to execution failures. For example, if the Ansible version is 3.18.2 and the controlled nodes have Python versions … Read more
The core problem that Docker solves is application packaging. Containers themselves have no value; the value lies in container orchestration. Underlying Principles of Docker The underlying principles of Docker utilize Linux’s Cgroups and Namespace technologies. Cgroups are the primary means of creating constraints, while Namespace technology is the main method for modifying process views (isolation). … Read more
Click the blue text to follow us 01 Which of the following steps is necessary when deploying Podman containers using Ansible? A. Install the Podman package B. Configure the Podman image repository C. Write the Podman Playbook D. All of the above Answer Click the blank area below to get the answer D Explanation: When … Read more