How to find Ethernet network interface card information in Linux

Sometimes you may want to know the product name or hardware settings of the network interface cards (NICs) attached to your Linux system. For example when you check whether a particular network device driver or a kernel module is compatible with your Ethernet adapter, you need to know its hardware specification such as NIC model/vendor […]
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How to find screen resolution in Linux desktop environment

One system setting that you often check or modify in Linux desktop environment is display setting, in particular, screen resolution. There are different ways to get display resolution information on Linux, either from the command line or from GUI-based display settings. In this tutorial, I will describe how to find screen resolution in Linux desktop […]
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How to disable touchpad on Debian or Ubuntu Desktop

On my Dell Inspiron laptop, touchpad is extremely sensitive, even with lowest sensitivity level. This ultra sensitive touchpad often comes in my way as I type in keyboard, causing all sorts of unintentional actions, including accidental clicks, randomly opened/closed browser taps, runaway mouse pointer, etc. The “disabling touchpad while typing” option on Ubuntu Desktop did […]
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How to find the number of CPU cores on Linux

Multi-core CPU processors are common nowadays, including dual-core processors (e.g., Intel Core Duo), quad-core processors (e.g., Intel Core i5), and hexa-core processors (e.g., AMD Phenom II X6). Also, many server-grade physical machines are equipped with more than one CPU processor. In order to find the number CPUs, and the number of cores per CPU, you […]
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