Most of the posts highlight what I am focused on and express work and personal experience. Reason I put them here - recall later or help someone else with similar challenge.
ER's cards - cloud, virtualisation, UX/UI, automation
There are several ways, but I prefer this one:
openssl rand -base64 30
This will give us 30 symbol random string with a-z, A-Z, 0-9, forward slashes. Looking forward to learn other options, drop your options below!