Sec2John

Técnico en Desarrollo y Ciberseguridad

> Llevo más de 15 años viviendo en Linux profesionalmente y aún sigo en el viaje.
No importa cuál es tu background técnico: Linux es la base. Domina la línea de comandos, automatiza con bash scripting y descubre Linux real conmigo.

¡Únete!

Contenido Indexado

Soy tan majo que te indexo aquí (casi)todos mis recursos...

TÍTULO FECHA TAGS LINKS
Comndo para añadir linea al final de muchos ficheros
Cómo añadir una línea al final de múltiples archivos desde la linea de comandos
2025-01-16 #touch #brace_expansion #>> #tee #| #find #bash
¿Necesario montar sys proc o dev para reste de contraseña?
chroot no necesita montar /sys /proc o /dev para restablecer el password de root
2025-01-15 #grub #bash #mount #passwd
Hacker Rank #15
Toma las líneas que NO contienen un patrón. Grep inverso
2025-01-14 #hackerrank #bash #diff #grep
Hacker Rank #14
Resolución de expresiones matemáticas mediante la shell de Linux (con bc)
2025-01-02 #hackerrank #bash #bc #printf #command_substitution #herestring
Hacker Rank #13
Media aritmética y notas para un conjunto de puntuaciones por alumno
2024-12-26 #hackerrank #bash #scripting #awk #tr #eval
Diferencias entre Terminal, shell, consola y línea de comandos
Diferencias entre Terminal, shell, consola y línea de comandos
2024-12-20 #terminal #shell #prompt #tty #zsh
Hacker Rank #12
Grep sin distinción de mayúsculas o minúsculas
2024-12-16 #hackerrank #bash #scripting #grep #diff
Man Express: comando RSYNC
Comando RSYNC de Linux explicado
2024-12-11 #rsync #man_express #ssh
Hacker Rank #11
Transformación de saltos de línea a tabulador con paste
2024-12-10 #hackerrank #bash #scripting #paste #tr
Hacker Rank #10
Sustituir todas las palabras A por B de un texto sin sensibilidad a mayúsculas/minúsculas empleando SED
2024-12-03 #hackerrank #bash #scripting #sed

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Sobre mí

Hola, me llamo Juan y soy técnico en ciberseguridad. Tengo años de experiencia como analista de amenazas, investigador forense y desarrollador de software - adoro scrum.

Llevo un tiempo creando contenido poniendo el foco en Linux, el terminal, Bash scripting y ciberseguridad con un toque de humor.