iZND Technical Guide Blog

Build a Raspberry Pi cluster computer (simple) Source : The MagPi Magazine Think Raspberry Pi computers are no match for their bigger cousins? Think again, because there’s strength in numbers. This article shows you how to create a cluster computer from several Raspberry Pi computers. Raspberry Pi computers are famously cheap and cheerful. Great for playing around with and the odd little project, right? Well, sometimes. However, our little friend is a surprisingly powerful computer and when you get lots of them working together, amazing things can happen. The concept of computer ‘clusters’ (many computers working together as one) is nothing new, but when you have a device as affordable as Raspberry Pi, you can start to rival much more expensive systems by using several in parallel. Here, we’ll learn how to make a cluster computer from a lot of little computers. You'll need Four Raspberry Pi 4 computers A cluster case Ethernet switch

Performance Monitoring Stats - Raspberry Pi Command Line NMON

NMON – Command Line Performance Monitoring Tool To install nmon sudo apt-get install nmon To run nmon nmon Use the keyboard commands to toggle individual sections on and off: 't' = Top-processes 'm' – Memory S 'j' = Filesystems 'd' or 'D' = Disks (capital D shows different measurements) 'n' = Network 'V' = Virtual Memory 'r' = Resource 'N' = NFS 'k' = kernel '.' = only busy disks/procs 'q' = quit There a good article on how to use it here . Shortcut Keys to Display CPU Stats HELP: Hit h to remove this Info Hit q to Quit ─────────────────────────── │ │ Letters which toggle on/off statistics: │ │ h = This help | r = Resources OS & Proc │ │ c = CPU Util C = wide view | l = longer term CPU averages │ │ m = Memory & Swap L=Huge | V = Virtual Memory │ │ n = Netwo

CPU Mining on a Raspberry Pi | xmrig

CPU Mining on a Raspberry Pi (XMRig) Originally published at blog.ijasoneverett.com on Aug 02, 2020 Monero is one of the most profitable cryptocurrencies that can still be mined using a CPU. Unlike other cryptocurrencies that rely on specialized hardware, you can mine XMR (RandomX) using your computer or, in this case, a raspberry pi. With that said if you’re going to use your raspberry pi to mine Monero don’t expect to get rich doing so. This is more of a learning experience if you have a spare raspberry pi lying around or if you simply want to support the coin. To get started, you should already have Raspian running on your pi. If you haven’t done so already I suggest you follow one of the many tutorials out there . Its your choice whether you choose to have a monitor, keyboard and mouse attached to your pi or if you prefer to go headless and utilize SSH. I prefer the latter but this tutorial can be done either way. We’re going to be using XMRig to mine Monero with a mining

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