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Multiple SSH Keys settings for different github account

create different public key

create different ssh key according the article Mac Set-Up Git

$ ssh-keygen -t rsa -C "[email protected]"

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[From: http://hanxue-it.blogspot.com/2018/08/macos-homebrew-installing-older-version-of-software.html - just created a copy to keep it for long term]

Homebrew  always wants to install the latest version of the Formula (software). This is by design, because every time there is an update to a formula, it wants to be tested against all the other formulas that it depends on. Mixing new and old versions of software is a recipe for incompatibility disaster. 

But sometimes there are situations where you need an older version of software. In my specific case, Yarn was compiled against an older version of icu4c, and I want that older version instead of recompiling Yarn.


$ yarn install
dyld: Library not loaded: /usr/local/opt/icu4c/lib/libicui18n.61.dylib
  Referenced from: /usr/local/bin/node

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Portainer compose deployment with admin password preset

This file aims to explain how to deploy Portainer inside a compose file with the admin password already set.

Generate the admin password

For this example, we'll use the password superpassword.

Use the following command to generate a hash for the password: