Chapter 4. Installing the Evergreen server


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Preamble: referenced user accounts

In subsequent sections, we will refer to a number of different accounts, as follows:

Linux user accounts:
- The user Linux account is the account that you use to log onto the Linux system as a regular user.
- The root Linux account is an account that has system administrator privileges. On Debian you can switch to this account from your user account by issuing the su - command and entering the password for the root account when prompted. On Ubuntu you can switch to this account from your user account using the sudo su - command and entering the password for your user account when prompted.
- The opensrf Linux account is an account that you create when installing OpenSRF. You can switch to this account from the root account by issuing the su - opensrf command.
- The postgres Linux account is created automatically when you install the PostgreSQL database server. You can switch to this account from the root account by issuing the su - postgres command.
PostgreSQL user accounts:
- The evergreen PostgreSQL account is a superuser account that you will create to connect to the PostgreSQL database server.
Evergreen administrator account:
- The egadmin Evergreen account is an administrator account for Evergreen that you will use to test connectivity and configure your Evergreen instance.

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