# tengoping.com Blog en español de administración de sistemas Linux, redes y self-hosting: guías prácticas de sysadmin para profesionales IT y entusiastas del homelab. This is one page of public article previews, not the complete archive. Follow Next page to continue. Summaries are not the original full articles. ## Immich: tu galería de fotos autoalojada DevFeed: [Immich: tu galería de fotos autoalojada]() Original publisher: [Read original article]() Author: Antonio Pérez Published: 2026-08-06T00:00:00Z Content type: tutorial Language: es Sources: [tengoping.com]() Topics: [Docker Compose](), [Homelab](), [Nextcloud](), [Open Source]() Tags: [docker-compose](), [homelab](), [open-source]() ### AI overview This Spanish tutorial presents Immich as a self-hosted, open-source photo and video platform that runs on a personal server. It compares Immich with Nextcloud, explains local facial recognition and semantic search, and outlines hardware, architecture, filesystem, storage, and Docker Engine requirements. ### Source excerpt Instala Immich con Docker Compose: galería tipo Google Fotos con reconocimiento facial y búsqueda por IA que corren en tu propio servidor. ## Caddy: proxy inverso con HTTPS automático DevFeed: [Caddy: proxy inverso con HTTPS automático]() Original publisher: [Read original article]() Author: Antonio Pérez Published: 2026-08-06T00:00:00Z Content type: tutorial Language: es Sources: [tengoping.com]() Topics: [proxy](), [TLS (Transport Layer Security)](), [let's encrypt](), [nginx](), [traefik](), [Go]() Tags: [debian](), [fedora](), [go](), [let-s-encrypt](), [nginx](), [proxy](), [rhel](), [systemd](), [tls](), [traefik](), [ubuntu]() ### AI overview This Spanish tutorial explains how Caddy works as a Go-based reverse proxy with automatic HTTPS certificate issuance and renewal through Let's Encrypt or ZeroSSL. It compares Caddy with Nginx and Traefik, then covers installation and basic Caddyfile configuration. ### Source excerpt Caddy emite y renueva certificados HTTPS automáticamente vía Let's Encrypt sin tocar Certbot: Caddyfile, requisitos y comparativa con Nginx y Traefik. ## Beszel: monitorización ligera para Docker DevFeed: [Beszel: monitorización ligera para Docker]() Original publisher: [Read original article]() Author: Antonio Pérez Published: 2026-08-06T00:00:00Z Content type: tutorial Language: es Sources: [tengoping.com]() Topics: [Docker](), [dashboards](), [Homelab](), [Open Source](), [Grafana](), [Prometheus]() Tags: [dashboards](), [docker](), [grafana](), [homelab](), [open-source](), [prometheus]() ### AI overview This article explains Beszel, a lightweight, self-hosted, open-source server monitoring platform for CPU, memory, disk, network, and Docker container metrics. It describes the hub-and-agent architecture, deployment options, suitable homelab and small VPS use cases, and trade-offs versus Prometheus, Grafana, and Zabbix. ### Source excerpt Instala Beszel, monitorización ligera con arquitectura hub-and-agent para vigilar CPU, RAM, disco y contenedores Docker sin montar un stack pesado. ## rclone: sincroniza y cifra tus datos en la nube DevFeed: [rclone: sincroniza y cifra tus datos en la nube]() Original publisher: [Read original article]() Author: Antonio Pérez Published: 2026-08-05T00:00:00Z Content type: tutorial Language: es Sources: [tengoping.com]() Topics: [Linux](), [backups](), [Amazon S3]() Tags: [backups](), [linux](), [s3]() ### AI overview A practical Spanish-language guide to using rclone from Linux to configure cloud-storage remotes, protect credentials, synchronize and verify files, and automate encrypted backups. It warns that synchronization can delete destination files and recommends testing with a dry run first. ### Source excerpt Guía práctica de rclone: instala, configura remotos, sincroniza con cifrado y automatiza copias hacia almacenamiento en la nube desde Linux. ## Proxmox VE Helper-Scripts: guía y buenas prácticas DevFeed: [Proxmox VE Helper-Scripts: guía y buenas prácticas]() Original publisher: [Read original article]() Author: Antonio Pérez Published: 2026-08-04T00:00:00Z Content type: tutorial Language: es Sources: [tengoping.com]() Topics: [Proxmox](), [Bash](), [Script](), [Command-line interface](), [qemu](), [GitHub]() Tags: [bash](), [community](), [github](), [http](), [proxmox](), [qemu](), [root](), [script](), [scripts](), [shell]() ### AI overview This guide explains what Proxmox VE Helper-Scripts are, how community-scripts.org uses Bash scripts to deploy applications in LXC containers or QEMU virtual machines, and how the main script downloads and runs the required components. It also highlights the security risk of executing third-party code as root on a Proxmox hypervisor. ### Source excerpt Qué son los Proxmox VE Helper-Scripts de community-scripts.org, cómo despliegan LXC y VMs con un solo comando y qué riesgos de seguridad debes valorar. ## Vaultwarden: gestor de contraseñas autoalojado DevFeed: [Vaultwarden: gestor de contraseñas autoalojado]() Original publisher: [Read original article]() Author: Antonio Pérez Published: 2026-08-03T00:00:00Z Content type: tutorial Language: es Sources: [tengoping.com]() Topics: [Docker](), [Docker Compose](), [TLS (Transport Layer Security)](), [nginx](), [proxy](), [backups]() Tags: [backups](), [bitwarden](), [compose](), [docker](), [docker-compose](), [hardening](), [homelab](), [https](), [nginx](), [proxy](), [tls](), [vaultwarden]() ### AI overview A Spanish-language tutorial explains how to self-host Vaultwarden, an unofficial Rust server compatible with Bitwarden clients. It covers Docker Compose deployment, HTTPS behind an Nginx reverse proxy, admin-token hardening, and backups, while noting the trade-off between community support and the official Bitwarden server. ### Source excerpt Instala Vaultwarden con Docker: servidor ligero compatible con los clientes de Bitwarden, con HTTPS, hardening del admin token y backups. ## Incus/LXC: contenedores de sistema en Linux DevFeed: [Incus/LXC: contenedores de sistema en Linux]() Original publisher: [Read original article]() Author: Antonio Pérez Published: 2026-08-03T00:00:00Z Content type: tutorial Language: es Sources: [tengoping.com]() Topics: [Containers](), [Linux](), [Command-line interface](), [API](), [Proxmox](), [Docker](), [qemu](), [podman]() Tags: [api](), [cli](), [containers](), [docker](), [linux](), [lxc](), [proxmox](), [qemu](), [rest](), [ssh](), [storage]() ### AI overview This Spanish-language tutorial explains Incus as a Linux Containers system-container and lightweight hypervisor manager built on LXC. It describes its origins as a community fork of LXD, compares system containers with application containers and virtual machines, and outlines how Incus differs from Proxmox, Docker, and Podman. ### Source excerpt Incus gestiona contenedores de sistema con LXC: instalación, incus launch, storage pools y redes, y cuándo elegirlo frente a Docker o una VM. ## Home Assistant: domótica autoalojada DevFeed: [Home Assistant: domótica autoalojada]() Original publisher: [Read original article]() Author: Antonio Pérez Published: 2026-08-03T00:00:00Z Content type: tutorial Language: es Sources: [tengoping.com]() Topics: [Home Assistant](), [Proxmox](), [Open Source](), [USB](), [Kernel]() Tags: [home-assistant](), [hub](), [kvm](), [lxc](), [os](), [proxmox](), [usb](), [vlan]() ### AI overview A Spanish tutorial explains how to self-host Home Assistant OS as a virtual machine on Proxmox. It recommends a full VM rather than LXC, discusses the Supervisor and add-ons, warns users to inspect community scripts, and covers updates, USB passthrough, dashboard access, and network isolation. ### Source excerpt Instala Home Assistant OS como VM en Proxmox, por qué conviene evitar el LXC, primeros pasos con el dashboard y cómo aislar tu domótica en su propia VLAN. ## Traefik: proxy inverso para contenedores DevFeed: [Traefik: proxy inverso para contenedores]() Original publisher: [Read original article]() Author: Antonio Pérez Published: 2026-08-03T00:00:00Z Content type: tutorial Language: es Sources: [tengoping.com]() Topics: [traefik](), [Docker](), [proxy](), [let's encrypt](), [Docker Compose](), [TLS (Transport Layer Security)]() Tags: [docker](), [docker-compose](), [let-s-encrypt](), [proxy](), [tls](), [traefik]() ### AI overview This tutorial explains how Traefik acts as a reverse proxy for Docker containers. It covers automatic container discovery through Docker labels, routing with entryPoints, routers, and services, and automatic HTTPS certificates through Let's Encrypt. It also compares Traefik with manually configured Nginx and mentions Caddy as an alternative. ### Source excerpt Traefik detecta tus contenedores Docker automáticamente y les da HTTPS con Let's Encrypt vía labels, sin tocar un fichero de configuración. ## Wireshark: analiza tráfico de red visualmente DevFeed: [Wireshark: analiza tráfico de red visualmente]() Original publisher: [Read original article]() Author: Antonio Pérez Published: 2026-08-02T00:00:00Z Content type: tutorial Language: es Sources: [tengoping.com]() Topics: [TCP/IP](), [Linux](), [Ethernet](), [Debian](), [Ubuntu](), [Command-line interface](), [interfaces](), [macOS](), [Windows]() Tags: [debian](), [ethernet](), [interfaces](), [linux](), [macos](), [tcp-ip](), [terminal](), [ubuntu](), [ubuntu-24-04](), [windows]() ### AI overview A practical guide to Wireshark covering installation, packet capture without running the graphical application as root, display filters, protocol-layer inspection, and TCP flow tracking. It includes real capture examples and discusses the security implications of granting capture permissions. ### Source excerpt Guía práctica de Wireshark: instalación, captura sin root, filtros de visualización, inspección de capas y seguimiento de flujos TCP con ejemplos reales. ## Docker: guía práctica de contenedores en Linux DevFeed: [Docker: guía práctica de contenedores en Linux]() Original publisher: [Read original article]() Author: Antonio Pérez Published: 2026-08-02T00:00:00Z Content type: tutorial Language: es Sources: [tengoping.com]() Topics: [Docker](), [Linux](), [Docker Compose](), [Dockerfile](), [container](), [Command-line interface](), [Kernel]() Tags: [cgroups](), [cli](), [compose](), [container](), [debian](), [distro](), [docker](), [docker-compose](), [dockerignore-usage](), [kernel](), [linux](), [oci](), [podman](), [python]() ### AI overview A practical Spanish-language guide to Docker on Linux. It explains container isolation through Linux namespaces and cgroups, installation on Ubuntu/Debian, Docker architecture, image layers and Dockerfiles, and introduces networks, volumes, Docker Compose, and security practices. ### Source excerpt Guía práctica de Docker: arquitectura, capas de imagen, redes, volúmenes, Docker Compose y buenas prácticas de seguridad, con ejemplos reales. ## Multipath en Linux: failover y HA con cabinas SAN DevFeed: [Multipath en Linux: failover y HA con cabinas SAN]() Original publisher: [Read original article]() Author: Antonio Pérez Published: 2026-08-01T14:00:00Z Content type: tutorial Language: es Sources: [tengoping.com]() Topics: [Linux](), [RAID](), [LVM](), [Kernel](), [Mdadm](), [Debian](), [rhel](), [Ubuntu]() Tags: [debian](), [failover](), [ha](), [kernel](), [linux](), [lvm](), [mdadm](), [raid](), [rhel](), [ubuntu](), [wwid]() ### AI overview A Spanish tutorial explains how DM-Multipath on Linux provides redundant paths to SAN storage. It distinguishes path failover from RAID-based disk protection, describes active-active load balancing, and explains how WWIDs identify the same LUN across multiple paths. ### Source excerpt Configura DM-Multipath en Linux para eliminar puntos únicos de fallo hacia la cabina SAN: instalación, multipath.conf y failover. ## Vim: por qué merece la pena frente a nano DevFeed: [Vim: por qué merece la pena frente a nano]() Original publisher: [Read original article]() Author: Antonio Pérez Published: 2026-08-01T13:00:00Z Content type: tutorial Language: es Sources: [tengoping.com]() Topics: [Vim](), [POSIX](), [Unix]() Tags: [alpine](), [distro](), [editor](), [posix](), [unix](), [vim]() ### AI overview A practical Spanish tutorial explaining why Vim is worth learning instead of nano. It covers how to exit, save, undo, and redo, then argues that Vim is widely available on Unix systems because vi is required by POSIX. It also discusses BusyBox, Alpine, and Vim's modes. ### Source excerpt Vim parece complicado pero no lo es: aprende a salir, moverte y editar con lo mínimo imprescindible, sin miedo y sin memorizar todo de golpe. ## tcpdump: analiza tráfico de red en terminal DevFeed: [tcpdump: analiza tráfico de red en terminal]() Original publisher: [Read original article]() Author: Antonio Pérez Published: 2026-08-01T12:00:00Z Content type: tutorial Language: es Sources: [tengoping.com]() Topics: [Command-line interface](), [Linux](), [Firewall]() Tags: [firewall](), [linux](), [port](), [resolver](), [tcp](), [terminal]() ### AI overview A practical guide to using tcpdump from the terminal to capture and inspect network traffic, apply filters, interpret TCP packets, and save or reread pcap files while troubleshooting network problems. ### Source excerpt Guía práctica de tcpdump: sintaxis de filtros, lectura de paquetes y captura en archivos pcap para depurar problemas de red desde terminal. ## auditd: audita el sistema en Linux DevFeed: [auditd: audita el sistema en Linux]() Original publisher: [Read original article]() Author: Antonio Pérez Published: 2026-08-01T11:00:00Z Content type: tutorial Language: es Sources: [tengoping.com]() Topics: [Linux](), [Kernel](), [Debian](), [rhel](), [Ubuntu]() Tags: [debian](), [kernel](), [linux](), [logs](), [rhel](), [ubuntu]() ### AI overview A Spanish tutorial on using auditd for Linux system auditing. It explains how auditd records file access and system calls with the user, process, and time; how to install and activate it across major Linux distributions; how to write file and syscall rules; how to use keys for searching events; and how to persist rules with augenrules. ### Source excerpt auditd registra en el kernel quién cambió qué archivo y cuándo. Aprende reglas -w y -a/-S, ausearch, aureport y el modo inmutable -e 2. ## btop: monitoriza tu sistema en terminal DevFeed: [btop: monitoriza tu sistema en terminal]() Original publisher: [Read original article]() Author: Antonio Pérez Published: 2026-08-01T10:00:00Z Content type: tutorial Language: es Sources: [tengoping.com]() Topics: [monitor](), [Terminal](), [Command-line interface](), [Linux](), [C++]() Tags: [c-plus-plus](), [linux](), [monitor](), [terminal]() ### AI overview A practical Spanish-language guide to btop, a terminal resource monitor for Linux. It covers installation, real-time CPU, memory, disk, and network monitoring, process management, interface customization, and essential keyboard shortcuts. ### Source excerpt Guía práctica de btop, el monitor de recursos para terminal: instalación, atajos de teclado esenciales y personalización básica. ## KVM y libvirt: virtualización nativa en Linux DevFeed: [KVM y libvirt: virtualización nativa en Linux]() Original publisher: [Read original article]() Author: Antonio Pérez Published: 2026-08-01T09:00:00Z Content type: tutorial Language: es Sources: [tengoping.com]() Topics: [Linux](), [qemu](), [Kernel](), [Proxmox]() Tags: [bios](), [kvm](), [linux](), [proxmox](), [qemu](), [uefi]() ### AI overview A Spanish tutorial on setting up KVM, QEMU, and libvirt for native Linux virtualization without Proxmox. It explains the roles of the components, hardware-virtualization requirements, distribution-specific package differences, and non-root VM management. ### Source excerpt Instala KVM y libvirt en Linux sin Proxmox: crea máquinas virtuales con virt-install, gestiónalas con virsh y configura la red por defecto. ## journalctl: domina los logs de systemd DevFeed: [journalctl: domina los logs de systemd]() Original publisher: [Read original article]() Author: Antonio Pérez Published: 2026-08-01T08:00:00Z Content type: tutorial Language: es Sources: [tengoping.com]() Topics: [systemd](), [Boot Process, passwd, systemd]() Tags: [crash](), [logs](), [sysadmins](), [syslog](), [systemd]() ### AI overview A practical guide to using journalctl with systemd. It covers persistent and volatile journals, filtering logs by service, time, and priority, following logs in real time, and reviewing boot and kernel messages. ### Source excerpt Domina journalctl para filtrar logs de systemd por servicio, prioridad y fecha, seguirlos en tiempo real y controlar el espacio que ocupan. ## RAID por software con mdadm: guía práctica DevFeed: [RAID por software con mdadm: guía práctica]() Original publisher: [Read original article]() Author: Antonio Pérez Published: 2026-07-27T00:00:00Z Content type: tutorial Language: es Sources: [tengoping.com]() Topics: [Mdadm](), [RAID](), [Linux](), [backups](), [Homelab]() Tags: [backups](), [homelab](), [linux](), [mdadm](), [raid]() ### AI overview A practical Spanish-language guide to using mdadm on Linux to create and manage software RAID 0, 1, 5, and 10 arrays. It compares capacity, performance, and fault tolerance, explains monitoring with email alerts, and covers recovery after a disk failure. ### Source excerpt Crea arrays RAID 0, 1, 5 y 10 con mdadm en Linux, monitoriza su estado con alertas por email y recupera un array tras el fallo de un disco. ## Certificados SSL gratis con Certbot DevFeed: [Certificados SSL gratis con Certbot]() Original publisher: [Read original article]() Author: Antonio Pérez Published: 2026-07-27T00:00:00Z Content type: tutorial Language: es Sources: [tengoping.com]() Topics: [let's encrypt](), [SSL](), [TLS (Transport Layer Security)]() Tags: [https](), [let-s-encrypt](), [ssl](), [tls]() ### AI overview A tutorial explaining how Certbot and Let's Encrypt use ACME validation, when to choose HTTP-01 or DNS-01, how wildcard certificates work, and the implications for automatic renewal. ### Source excerpt Cómo funciona la validación ACME, cuándo usar HTTP-01 o DNS-01, cómo emitir certificados wildcard y cómo funciona la renovación automática de Certbot. ## VLANs explicadas: segmenta tu red DevFeed: [VLANs explicadas: segmenta tu red]() Original publisher: [Read original article]() Author: Antonio Pérez Published: 2026-07-27T00:00:00Z Content type: tutorial Language: es Sources: [tengoping.com]() Topics: [Homelab](), [Ethernet](), [Linux](), [interfaces](), [Hardware]() Tags: [ethernet](), [homelab](), [interfaces](), [lan](), [linux](), [vlan]() ### AI overview This tutorial explains how VLANs divide one physical network into separate logical networks. It covers 802.1Q tagging, VLAN IDs, access and trunk ports, PVIDs, and configuring VLANs on managed switches and Linux for homelab network segmentation. ### Source excerpt Qué son las VLANs y el etiquetado 802.1Q, cómo configurarlas en un switch gestionado y en Linux, y cuándo merece la pena segmentar tu red de homelab. ## Proxmox VE: monta tu propio hipervisor casero DevFeed: [Proxmox VE: monta tu propio hipervisor casero]() Original publisher: [Read original article]() Author: Antonio Pérez Published: 2026-07-25T00:00:00Z Content type: tutorial Language: es Sources: [tengoping.com]() Topics: [Proxmox](), [Homelab](), [Debian](), [Hardware](), [Linux]() Tags: [bios](), [debian](), [ext4](), [hardware](), [homelab](), [linux](), [net-10](), [proxmox](), [uefi](), [xfs](), [zfs]() ### AI overview A Spanish tutorial explains how to install and configure Proxmox VE as a type 1 hypervisor for a homelab. It covers hardware requirements, installation media, filesystem choices, networking, and initial access to the web interface. ### Source excerpt Instala y configura Proxmox VE como hipervisor tipo 1 para tu homelab: creación de VMs, snapshots, backups y primeros pasos con la red. ## tmux y screen: multiplexores de terminal DevFeed: [tmux y screen: multiplexores de terminal]() Original publisher: [Read original article]() Author: Antonio Pérez Published: 2026-07-18T00:00:00Z Content type: tutorial Language: es Sources: [tengoping.com]() Topics: [Terminal](), [ssh](), [screen](), [Command-line interface]() Tags: [screen](), [shell](), [ssh](), [terminal]() ### AI overview A practical guide to tmux and screen that explains how terminal multiplexers preserve remote sessions after SSH disconnections, support multiple windows and panels, and help manage long-running production tasks. ### Source excerpt Guía práctica de tmux y screen para mantener sesiones vivas tras cortes de SSH, dividir la terminal en paneles y trabajar más rápido en producción. ## Recuperar contraseña root con livecd y LVM DevFeed: [Recuperar contraseña root con livecd y LVM]() Original publisher: [Read original article]() Author: Antonio Pérez Published: 2026-03-03T00:00:00Z Content type: tutorial Language: es Sources: [tengoping.com]() Topics: [LVM](), [Linux](), [boot]() Tags: [boot](), [linux](), [live](), [lvm](), [root]() ### AI overview A Spanish tutorial explains how to recover a Linux root password on a system using LVM. It covers activating and identifying logical volumes from a LiveCD, mounting the system, using chroot, changing the password, and rebooting. ### Source excerpt ¿Olvidaste la contraseña de root en Linux con LVM? Recupérala con un live CD: monta los volúmenes lógicos, haz chroot y cámbiala de forma rápida y segura. [Next page]()