When I'm using Linux, I know that all the information I need is only a few commands away. If you want to know it, Linux can give it to you -- from security, network, disk space, users, and everything in between.
How do you gather information about the actual machine you are using? This can come in handy when you need to know what CPU you're dealing with, what drives are connected, or what company made the machine (and even the version number).
I often need to know the version of the kernel that is running on my machine. Although this isn't a hardware issue, it is certainly a very important one.
Need to know the details about the CPU on your machine? If so, the lscpu command has you covered. This gem of a tool lists out information like architecture, number of cores, vendor ID, model name, CPU family, threads per core, cores per socket, sockets, stepping CPU min/max MHz, flags, caches, vulnerabilities, and more.
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