Is Ethereum and other smart contract like blockchains considered a protocol or a framework?

I’m not sure how to explain Ethereum or other smart contract systems like eos/tron/ardor/waves. Are these protocols or are they frameworks? How should it be classified? I want to explain to clients that I’m building on top of a protocol or a framework? My application doesn’t require any ETH, but only interactions with crypto addresses…

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Ubunutu 16.04 boot problem showing busybox error

I have Ubuntu 16.04 PC with some application running and connected to internet at remote location, and few days before internet goes offline and pc goes offline. And when I reboot the PC goat following messages. . As a solution I have checked the answer here https://askubuntu.com/questions/137655/boot-drops-to-a-initramfs-prompts-busybox and run the command exit and goat following…

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