today's howtos
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How to Install JasperReports on Ubuntu 22.04
JasperReports is an open-source reporting platform for creating, distributing, and managing reports. It is a Java class library; web developers who build Java-based websites and need to add reporting capabilities to their applications would use this tool.
JasperReports can also be used for Java applications like Java EE or other web applications to generate dynamic content. In this tutorial, we will show you how to install Jasper Reports on Ubuntu 22.04.
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How to capture and analyze traffic with tcpdump
Network administrators use tcpdump to analyze traffic in Linux systems. Learn how to install and use tcpdump, as well as examine the results of captured traffic.
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Tcpdump is a common open source Linux tool used to analyze packets. It's fast, straightforward and lightweight. Wireshark is a similar tool often used in conjunction with tcpdump. This article explores how to use tcpdump to capture and view packets. It also covers how to view tcpdump captures in Wireshark.
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Interactive Brokers Linux: A Comprehensive Guide and Tutorial
Operating systems play a crucial role in the functionality of trading platforms. For Linux users, finding a reliable and compatible trading platform can be a challenging task. However, Interactive Brokers, a leading brokerage firm, offers comprehensive support for Linux operating systems, ensuring seamless trading experiences for Linux enthusiasts. In this article, we will explore the features and benefits of Interactive Brokers on Linux, provide step-by-step instructions for installation and setup, address common issues, and answer frequently asked questions.
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aria-haspopup and screen readers
The situation isn't too bad because all screen readers and browsers, except Narrator in Firefox and Chrome, at least support the attribute. Talback and NVDA don't support the grid, listbox, and tree values. NVDA also doesn't support dialog. Other than that, it works great.
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Creating and Managing VPCs with Terraform: A Step-by-Step Guide
Amazon Virtual Private Cloud (Amazon VPC) is a service that allows you to create a virtual network within the Amazon Web Services (AWS) cloud environment. It gives you complete control over your network configuration, including your choice of IP address range, creation of subnets, and configuration of route tables and network gateways. With Amazon VPCs, you can securely launch AWS resources, such as Amazon Elastic Compute Cloud (Amazon EC2) instances, Amazon Relational Database Service (Amazon RDS), and Lambda functions, in a logically isolated environment.