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 in Large Networks – [Download eBook]

This eBook document provides the fundamental guide and main considerations for deploying BGP in large distributed networks with multiple locations. The document covers best-practices for BGP deployment in this scenario, such as scaling BGP across multiple locations, setting up iBGP with loopback addresses, propagating loopback and next hop addresses, setting up route reflectors, filtering BGP announcements, and so on.

How to monitor OpenFlow messages with packet sniffer

As a key enabler for software-defined networking (SDN), OpenFlow was initially introduced in the academia as a way to enable innovation on production networks which had traditionally been built with closed and proprietary networking hardware. OpenFlow offloads the high-level routing/forwarding decisions (control plane) from networking devices such as switches, and moves the control plane on […]
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How to access Amazon Cloud Drive from the command line on Linux

In today’s online retail market dominated by cut throat competitions, one player stands in the forefront, leaving the pack far behind, and that is Amazon. Amazon has been judiciously expanding its business model to satisfy consumer appetites, and I think Amazon Prime membership lies in the center of its expanding business model. Starting out as […]
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What are good web server benchmarking tools for Linux

As far as web server performance is concerned, there are many different factors at play, e.g., front-end application design, network latency/bandwidth, web server configuration, server-side in-memory cache, raw hardware capability, server load of shared hosting, etc. To compare and optimize web server performance under such a wide array of factors, we often perform load test […]
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How to secure your Linux environment with Nitrokey USB smart card

With the mounting online security risks, simple one-step security no longer suffices, and people resort to multiple layers of security to thwart increasingly sophisticated attacks on their digital assets and online privacy. An advanced form of security defense often employed in financial sectors and other corporate environments is hardware-based protection, where a tamper-proof physical security […]
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How to disable Network Manager on Linux

Network Manager is a feature-rich network configuration service which is used by default in most Linux desktop environments nowadays. It provides automatic configuration of (wired/wireless) network interfaces, as well as VPN, mobile broadband and even Bluetooth connections. Network Manager is smart enough to automatically switch to the best (or the most recent) connection network, and […]
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