thienphanexcalibur

We install certutil and pk12util if necessary:

sudo apt install libnss3-tools

On Linux, Chromium uses the NSS Shared DB. Check if you have the ~/.pki/nssdb directory:

ls $HOME/.pki/nssdb

thienphanexcalibur

Max Battery Life Checklist

Here is a checklist to follow if you want maximum battery life -- for instance if you're about to get on a long plane flight.

Low power use checklist

With power connected:

thienphanexcalibur

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/Ownable.sol)

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to