Bash
Aprende scripting en Bash, desde variables hasta scripts robustos listos para producción. Bucles, arrays, traps, set -euo pipefail y un proyecto final de arranque de servidor.
12 lecciones, en orden
- 120 min
Qué es Bash
Shell vs terminalBash vs sh vs zshInteractive shell vs scriptWhere Bash fits in DevOps - 225 min
Shebang y tu primer script
Shebang#!/usr/bin/env bashChmod +x./script.sh vs bash script.shExit codes - 325 min
Variables y entrecomillado
Variable assignmentDouble quotes vs single quotes${var} bracesCommand substitution $(...) - 430 min
Condicionales y pruebas
If statement[[ ]] testsString testsFile tests -f -d -e&& and ||Case statement - 525 min
Bucles
For loopWhile loopUntil loopFor f in *.txt globbingC-style for loopBreak and continue - 625 min
Funciones
Function definitionPositional args $1 $@ $#Return for exit codesEcho for outputLocal variables - 725 min
Arreglos
Indexed arrays${arr[@]}${#arr[@]} lengthAssociative arrays declare -AIterating arrays - 825 min
Expansión de cadenas y aritmética
${var#prefix}${var%suffix}${var//old/new}$(( arith ))Printf formatting - 925 min
Redirección de E/S y pipes
>>><2>2>&1&>+3 - 1030 min
Manejo de errores y traps
Set -eSet -uSet -o pipefailTrap on EXITTrap on ERRCleanup functions - 1125 min
Depuración y buenas prácticas
Bash -xSet -xShellcheckSafe quotingNever parse ls[[ vs [+1 - 1260 min
Proyecto final: Script de arranque del servidor
Idempotent provisioningInstalling packagesCreating usersSSH key setupSystemd timersLogging+2
Aprende Bash en tu idioma
Cada lección, examen y respuesta del tutor aparece en tu idioma. El tutor de IA responde en el idioma en que le hablas.
Roles that use Bash
See how hiring teams interview engineers on Bash, in production-like environments.
DevOps Engineer
Hire DevOps engineers who actually ship. Run live or take-home interviews in production-like Linux environments with Docker, Kubernetes, Terraform and CI/CD. See how they debug, automate, and work alongside AI.
See the interviewSite Reliability Engineer (SRE)
Hire SREs who actually run production. Live workspaces with metrics, logs, traces and a service that is starting to misbehave. We record every keystroke.
See the interviewInfrastructure Engineer
Hire infrastructure engineers who design systems your team can rely on. Interview them in real workspaces with Terraform, Ansible, cloud APIs and live failure scenarios.
See the interview