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Those days were gone when you purchased a CD or DVD for installing an operating system. Because if you have a USB stick and an operating system, you can quickly create a bootable USB stick for installing an operating system. For Ubuntu users, creating a bootable USB stick is simple and quick because you only need a .iso file of an operating system and a tool for creating the bootable image on the USB stick.

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• ubuntu
• docker
• Portainer
• install

Portainer is an open-source container management tool that provides a web-based graphical user interface (GUI) for managing Docker containers, images, networks, and volumes.

Portainer supports multiple Docker environments, including Docker Swarm, Kubernetes, and Docker Desktop. It also provides features such as user authentication, role-based access control (RBAC), and multi-tenancy, making it a suitable tool for managing Docker resources in production environments.

In this tutorial, we will show you how to install Portainer on Ubuntu 22.04 OS.

• Bootstrap
• alert

Creating Alert Messages with Bootstrap

Alert boxes are used quite often to stand out the information that requires immediate attention of the end users such as warning, error or confirmation messages.

With Bootstrap you can easily create elegant alert messages for various purposes by adding the contextual classes (e.g., .alert-success, .alert-warning, .alert-info etc.) to the .alert base class. You can also add an optional close button to dismiss any alert.

Bootstrap provides total 8 different types of alerts. The following example will show you the most commonly used alerts, which are: success, error or danger, warning and info alerts.

• v380
• vlc
• rtsp
• wifi
• camera

In this article, we will guide you through the process of getting the RTSP (Real Time Streaming Protocol) stream from a V380 WiFi Smart Net Camera in VLC. This can be particularly useful for monitoring your security camera feeds in real-time.

Arduino sound level meter and spectrum analyzer