Linux FAQ resource and tutorials

This blog features Linux FAQs, hands-on tips and detailed tutorials on Linux software, Linux networking, security, virtualization and cloud computing.

BGP Prefix Filtering -- [Download eBook]

This downloadable eBook from Noction presents best practices, hands-on examples, and troubleshooting guide on managing BGP prefixes in your organization. The tutorial explains how to monitor and manage prefix lists and AS path access lists advertised by customers or peers, how to inspect BGP routes and configure BGP route propgation, how to perform BGP flap dapmping, and more. Noction Intelligent Routing Platform (IRP) is a state-of-the-art network management solution specifically designed for multi-homed BGP network environments. IRP allows network administrators to fine-tune traffic routes to improve network throughput performnce, minimize network latency and packet loss, and bypass temporary network congestion and outages.

How to migrate Cacti to a new server

Cacti is a popular network graphing tool widely used by many service providers. For those of you who have been using Cacti to visualize the performance of various elements of your network, it is sometimes necessary to migrate Cacti and all its graph datasets from one server to another. Why? The current server may be […]
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How to set up a self-hosted project management web app on Linux

When a group of employees collaborate on a project, there is need for handling all aspects and complexities of the project from start to finish, such as task assignment, scheduling, budget management, communication, documentation, and so on. Thus a good project management tool is a necessity for any kinds of businesses or organizations which are […]
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How to improve the security of Magento e-commerce website

Magento is an e-commerce software platform used by small businesses and leading brands, and its community edition is a freely available open-source program. Thanks to the huge collection of third-party developed plugins and themes which extend the default functionality and design, Magento is evolving into the WordPress of the e-commerce industry. However, the growing popularity […]
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How to validate JSON from the command line on Linux

Due to its syntactic simplicity and flexibility, JSON (JavaScript Object Notation) has become pretty much the de-facto standard data exchange format used in many web applications. As JSON becomes widely used to represent structured data with a great degree of flexibility, the need arises for being able to “validate” JSON representations. Thus there came something […]
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How to set up Apt caching server on Ubuntu or Debian

If you often create guest VMs or containers on your Linux computer, you will go through package installation many times across different VMs/containers. In that case, your time may be better spent on something more productive than just waiting to finish installing packages. While server provisioning tools like Puppet, Chef or Ansible can automate the […]
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