Remove last item from array

Source: https://stackoverflow.com/questions/19544452/remove-last-item-from-array

arr.splice(-1,1)

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Check to be sure that port 22 is enabled before you reload

 https://superuser.com/questions/590600/ufw-is-active-but-not-enabled-why etting  ENABLED=yes  in  /etc/ufw/ufw.conf  did it for me. $ sudo ...