1ra Clase - SERVIDORES

About this video

• Video Title: 1ra Clase - SERVIDORES
• Channel: Carlos Andres Sarzuri Calizaya
• Speakers: Carlos Andres Sarzuri Calizaya (implied)
• Duration: 00:58:41

Overview

This video serves as the first class in a course on servers. The instructor, Carlos Andres Sarzuri Calizaya, introduces the course, outlines the curriculum, and begins discussing fundamental networking concepts like the OSI model, focusing on the transport and application layers. The latter half of the video transitions to practical command-line tools for network inspection and management, such as ping and curl, and discusses critical ports and protocols like SSH, HTTP, HTTPS, and DNS.

Key takeaways

• Course Introduction: The course is described as potentially challenging, aiming to filter out a significant portion of the participants. It will be co-taught by Richi, who will cover the latter half of the material.
• Networking Fundamentals: The OSI model is introduced, with emphasis on the transport layer (TCP/UDP) and the application layer, highlighting their relevance to server management.
• Command-Line Tools: Essential commands like ping, netstat (implied by ss command), and curl are demonstrated for network diagnostics and information retrieval.
• Critical Ports and Protocols: Key ports (22 for SSH, 80 for HTTP, 443 for HTTPS, 53 for DNS) and their associated protocols and security implications are explained.
• Practical Application: The video transitions from theoretical concepts to practical demonstrations using the command line, preparing students for hands-on server management tasks.

La tarea mencionada en el video consiste en investigar el comando ss -tulnp. Específicamente, se pide identificar cuál de los servicios que aparecen es SSH y por qué se escucha en el puerto que está asignado. El instructor sugiere que esta será una tarea de investigación sencilla y que mañana se enviará un formulario para obtener puntos extra relacionados con ella.

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