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How to upgrade NetBSD?

With sysupgrade you can perform a full NetBSD upgrade without breaking your system.

sysupgrade has a set of subcommands and each subcommand executes a specific step within the upgrade process, the auto subcommand performs a full upgrade by calling the rest of the subcommand in a specified order.

How to install SSL Let’s Encrypt using Lego?

SSL / TLS (Secure Socket Layer / Transport Layer Security) are cryptographic protocols designed to provide communications security over a computer network: web, email, instant messengers.

CA (Certificate Authoritative): worldwide recognized entity in charge of generating security certificates for third parties.

CSR (Certificate Signing Request): signing request sended to a CA.

How to install PHP, PHP-FPM in Alpine Linux?

PHP is a general purpose scripting language that is used mainly for web development, it is pragmatic, easy to learn and use, it is constantly evolving with a wide community of developers who are in charge of enriching this popular programming language with new features, therefore it is constantly evolving.