Fixed SSH_CLIENT and minor changer per shellcheck#3

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oleg-andreyev wants to merge 2 commits intodbalabka:masterfrom

oleg-andreyev:fixes

Commits on Apr 8, 2020

- fixed SSH_CLIENT detection
oleg-andreyev
committed

Commits on Sep 16, 2020

Merge branch 'master' into fixes
oleg-andreyev
authored