Is the training Qualiopi certified?

Yes, Learni is a Qualiopi-certified training organization. This certification guarantees the quality of our courses and enables funding through OPCO and other mechanisms.

How can I fund my training?

Our courses are eligible for OPCO funding. Learni supports you through the funding process. A personalized quote is available upon request.

What are the prerequisites for this training?

The prerequisites for the Training Let's Encrypt 2026 - Secure websites for free training are: Basic knowledge of Linux, DNS, and HTTPS. A preliminary interview validates your eligibility.

Is the training available in person?

Yes, the Training Let's Encrypt 2026 - Secure websites for free training is available in in-person. The format can be adapted to your needs (inter, intra, custom).

Training Let's Encrypt 2026 - Secure websites fo... | Learni

The story of Learni

Founded by passionate advocates of learning and innovation, Learni set out to make professional training accessible to everyone, everywhere in the world. Our team works in the largest cities such as Paris, Lyon, Marseille, and internationally, to support talents and organizations in their skills development.

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Methods, approaches, and teaching resources

The Training Let's Encrypt 2026 - Secure websites for free training is delivered in-person or remotely (blended-learning, e-learning, virtual classroom, remote in-person). At Learni, a Qualiopi-certified training organization, each program is designed to maximize skills acquisition, regardless of the training mode chosen.

The trainer alternates between demonstrative, interrogative, and active methods (through practical exercises and/or real-world scenarios). This pedagogical approach ensures concrete and directly applicable learning in the workplace.

Teaching resources provided

To ensure the quality of the Training Let's Encrypt 2026 - Secure websites for free training, Learni provides the following teaching resources:

Mac or PC computers, high-speed fiber internet, whiteboard or flipchart, video projector or interactive touchscreen (for remote sessions)
Training environments installed on workstations or accessible online
Course materials, practical exercises, and supplementary resources
Post-training access to materials and teaching resources

For in-house training at a location external to Learni, the client ensures and commits to having all necessary teaching materials (IT equipment, internet connection...) for the proper conduct of the training action in accordance with the prerequisites indicated in the communicated training program.

* contact us for remote feasibility** ratio varies depending on the training followed

Assessment methods

The assessment of skills acquired during the Training Let's Encrypt 2026 - Secure websites for free training is carried out through:

During training: case studies, practical exercises, and professional scenarios
At the end of training: self-assessment questionnaire and skills evaluation by the trainer
After training: training completion certificate detailing acquired skills

Training accessibility

Learni is committed to the accessibility of its professional training programs. All our training programs are accessible to people with disabilities. Our teams are available to adapt teaching methods to your specific needs. Do not hesitate to contact us for any accommodation request.

Training access terms and deadlines

Training objectives

Master obtaining free SSL certificates with Let's Encrypt 2026 for professional websites

Develop ACME automation skills for certifying companies

Implement domain and wildcard validation in real environments

Configure Certbot and associated tools for secure deployments

Optimize automatic certificate rotation in production

Manage common error cases to maintain service continuity

Training program

Module 1Fundamentals: Obtain first Let's Encrypt 2026 certificates (ACME, Certbot, HTTP validation)

Quick installation of Certbot on Linux and Windows servers, obtaining the first certificate for a real domain via ACME v2 protocol, practice of HTTP-01 validation on Apache and Nginx, exercises on initial configuration with simple commands, testing immediate HTTPS deployment on a demonstration site, production of a basic security report and verification with online tools like SSL Labs.

Module 2Automation: scripts and cron for Let's Encrypt 2026 (wildcard DNS, custom hooks)

Configuration of wildcard certificates for multiple subdomains, setting up cron jobs for automatic renewal every 60 days, use of pre/post hooks for service restarts without downtime, practical exercises on server clusters, integration with Docker for secure containers, creation of custom bash scripts adapted to company infrastructure, simulation of production scenarios with basic monitoring.

Module 3Production deployment: troubleshooting Let's Encrypt 2026 (CI/CD, rate limits, migration)

Integration of Let's Encrypt into CI/CD pipelines with GitHub Actions and GitLab, management of rate limits and common errors like failed challenges, migration from paid certificates to free ones, exercises on resolving real outages with detailed logs, optimization for high availability across multiple servers, finalization of an annual maintenance plan, delivery of a secure red thread project ready for company use with complete documentation.