Olyn is a bundle of custom Chef cookbooks to build and deploy functional clustered Debian web servers with globally replicated multi-write MySQL databases. All of this is done using infrastructure-as-code and configuration files.

Installs Varnish. Creates front-end and back-end listeners. Compiles VCL rules for content expiration. Part of the Olyn framework for Chef.

Configures Percona apt repos. Installs Percona. Configures replication settings, TLS encryption, and node member list. Bootstraps and/or joins the replicated MySQL database cluster. Part of the Olyn framework for Chef.

Installs Fail2Ban. Configures jails and ban durations. Part of the Olyn framework for Chef.

Installs Nokogiri Ruby gem. Imports sitemaps URLs. Rewarms URLs from sitemaps in Varnish HTTP cache. Part of the Olyn framework for Chef.

Uninstalls sendmail. Part of the Olyn framework for Chef.

Installs LogWatch. Sets up log monitoring and email alerts. Part of the Olyn framework for Chef.

Installs HAProxy. Configures front-end and back-end listeners. Sets up SSL offloading. Part of the Olyn framework for Chef.

Installs Git. Sets up Git users. Maps CI/CD repos to file directory locations. Builds virtual WWW roots. Configures folder and file permissions. Syncs and deploys new commits. Part of the Olyn framework for Chef.

Configures Debian OS. Adds cluster nodes to hosts file. Installs base apt packages. Securely installs public and private keys from TLS certificates in data bag. Sets timezone. Creates users and configures permissions. Part of the Olyn framework for Chef.

Initializes and runs all installed Olyn cookbooks. Part of the Olyn framework for Chef.

Installs sudo. Configures sudo group membership for users. Part of the Olyn framework for Chef.

Configures Openlitespeed apt repos. Installs Openlitespeed package. Configures VHOSTS, TLS certificates, PHP, admin portal, and security. Part of the Olyn framework for Chef.

Installs UFW. Configures rules for ports, hosts, and protocols. Adds default deny rule. Reloads configuration. Part of the Olyn framework for Chef.

Installs openSSH. Configures SSH ports and security. Part of the Olyn framework for Chef.

Initializes databases. Creates database users. Configures user permissions. Imports SQL files. Part of the Olyn framework for Chef.

Configures APT. Sets up custom repos. Part of the Olyn framework for Chef.

Installs Postfix. Configures relay host. Part of the Olyn framework for Chef.