How to Install Shield on POP!_OS Latest

Shield is a tool that helps in managing encrypted secrets and backups for your applications. Here are the steps to install Shield on POP!_OS:

1. Install Dependencies

First, you need to install the dependencies required by Shield.

Open the terminal and run the following command:

sudo apt install ruby ruby-dev build-essential libssl-dev zlib1g-dev

2. Install Shield

Once the dependencies are installed, we can proceed to install Shield.

a. Clone the Shield Repository

Open the terminal and navigate to the directory where you want to clone the repository. Then, run the following command:

git clone https://github.com/starkandwayne/shield.git

b. Install Bundler

Shield uses Bundler to manage its dependencies. Install Bundler by running the following command:

gem install bundler

c. Install Shield

Navigate to the Shield directory and install Shield by running the following command:

bundle install

3. Set Up Shield

Now that Shield is installed, we need to set it up.

a. Generate a Self-Signed SSL Certificate

Shield requires an SSL certificate to run. We can generate a self-signed certificate by running the following command:

openssl req -x509 -sha256 -nodes -newkey rsa:2048 -days 365 -keyout shield.key -out shield.crt

b. Set Up Environment Variables

We need to set up environment variables to configure Shield. Open the terminal and navigate to the Shield directory. Then, create a file named .env and add the following variables:

export SHIELD_ENCRYPTION_KEY=$(openssl rand -hex 32)
export SHIELD_DB_CONFIG="postgres://shield:password@localhost:5432/shield"
export SHIELD_DB_ENCRYPTION_KEY=$(openssl rand -hex 16)
export SHIELD_CERTIFICATE_FILE=<path_to_shield.crt>
export SHIELD_KEY_FILE=<path_to_shield.key>

Replace <path_to_shield.crt> and <path_to_shield.key> with the absolute paths to the shield.crt and shield.key files you generated earlier.

c. Initialize Shield

Initialize Shield by running the following command:

bundle exec rake init

d. Start Shield

Finally, start Shield by running the following command:

bundle exec rails s thin

Conclusion

Now, Shield is installed and running on your POP!_OS Latest. You can use it to manage encrypted secrets and backups for your applications.

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