Linux – What are the platforms that Linux is being used frequently on besides x86

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What are the platforms that Linux is being used frequently on besides x86?

I know that x86 dominates. But, what are other platforms that some people also use Linux for?

Are there links for statistics about this?

Best Answer

ARM is huge for linux. Aside from the Rasberry Pi and other hobbyist ARM SoC you have every Android phone and tablet and many of the Chromebooks running Linux on ARM. I couldn't find any hard numbers on total devices in use, but total android activations number somewhere north of 1 billion. The Chromebooks are Amazon's best selling laptops, though not all of those are ARM based, and I'm not sure what the breakdown of sales are. Needless to say, ARM is one of Linux bigger architectures as far users go.

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Linux – I have high io stat. High writes. But what files are being written

Well, you could try the following commands which worked for me in RHEL6:

1) Whatever device you see in "iostat" output performing more I/O, use it with fuser command as follows:

fuser -uvm device

2) You will get a list of processes with the user name causing more I/O. Select those PIDS and use it in the lsof command as follows:

lsof -p PID | more

3) You will get a list of files/directories along with the user performing maximum I/O.

Linux – What entropy sources are used by the Linux kernel

Most commodity PC hardware has a random number generator these days. VIA Semiconductor has put them in their processors for many years; the Linux kernel has the via-rng driver for that. I count 34 source modules in the drivers/char/hw_random/ directory in the latest source tree, including drivers for Intel and AMD hardware, and for systems that have a TPM device. You can run the rng daemon (rngd) to push random data to the kernel entropy pool.

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Linux – I have high io stat. High writes. But what files are being written

Linux – What entropy sources are used by the Linux kernel

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