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Nix: Check If A Port Is In Use

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The lsof command is used to list open files. This includes listing network connections. This means I can check if a particular port is in use and what proces...

Nix: Check Ubuntu Version

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Are you on Ubuntu? Want to know what version (release) of Ubuntu you are using?

Nix: Disk Speed Benchmark

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In Linux, the dd command can be used for simple I/O performance measurements as follows:

Nix: CPU Benchmark

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dd in conjunction with any stream-processing CPU-intensive program can be used as a simple CPU benchmark!

Nix: Saying Yes

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Tired of being prompted for confirmation by command-line utilities? Wish you could blindly respond ‘yes’ to whatever it is they are bugging you about? The ye...