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% Packages
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\usepackage{seqsplit}           % Splits long words.
%\usepackage{opensans}          % Can't make this work so far. Shame. Would be lovely.
\usepackage[normalem]{ulem}     % For underlining links
% Most of the following are not required for the majority
% of cheat sheets but are needed for some symbol support.
\usepackage{amsmath}            % Symbols
\usepackage{MnSymbol}           % Symbols
\usepackage{wasysym}            % Symbols
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% Document Info
\author{jaotalvaro}
\pdfinfo{
  /Title (unidad-4.pdf)
  /Creator (Cheatography)
  /Author (jaotalvaro)
  /Subject (Unidad 4 Cheat Sheet)
}

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% Commands
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% Header and Footer
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\fancyhead{} % Set header to blank
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\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
    \SetRowColor{DarkBackground}
    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
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\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Unidad 4 Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{jaotalvaro} via \textcolor{DarkBackground}{\uline{cheatography.com/193812/cs/41434/}}}
\end{tabulary}
\end{multicols}}

\fancyfoot[L]{ \footnotesize
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
  \SetRowColor{FootBackground}
  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}jaotalvaro \\
  \uline{cheatography.com/jaotalvaro} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 27th November, 2023.\\
   Updated 27th November, 2023.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
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  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
\end{tabulary}
\end{multicols}}




\begin{document}
\raggedright
\raggedcolumns

% Set font size to small. Switch to any value
% from this page to resize cheat sheet text:
% www.emerson.emory.edu/services/latex/latex_169.html
\footnotesize % Small font.

\begin{multicols*}{3}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Conceptos}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{FTP:}} FIle Tranfer Protocol} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Puerto TCP 20:}} Puerto de datos} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Puerto TCP 21:}} Puerto de control o comandos} \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Proceso DTP:}} Data Transfer Protocol, o proceso de transferencia de datos} \tn 
% Row Count 5 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Proceso PI:}} Protocol Interpret, intérprete del protocolo} \tn 
% Row Count 7 (+ 2)
% Row 5
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{{\bf{FTPS:}} cifrado SSL/TLS entre Cliente y Servidor} \tn 
% Row Count 8 (+ 1)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{SFTP:}} SSH File Transfer Protocol} \tn 
% Row Count 9 (+ 1)
% Row 7
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{{\bf{vsFTPd:}} Very Secure FTP Daemon} \tn 
% Row Count 10 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Comandos Básicos FTP}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Conexión al Servidor FTP:}}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{open {[}hostname{]} EJ. open ftp.example.com} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{user {[}nombre de usuario{]} {[}contraseña{]}} \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Operaciones de Archivos y Directorio:}}} \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{cd {[}directorio{]}: Cambia el directorio en el servidor FTP} \tn 
% Row Count 6 (+ 2)
% Row 5
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{pwd: Muestra el directorio de trabajo actual en el servidor} \tn 
% Row Count 8 (+ 2)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{ls o dir: Lista los archivos y directorios en el directorio actual en el servidor} \tn 
% Row Count 10 (+ 2)
% Row 7
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{ls -l {[}archivo{]}: Para mostrar los permisos de un archivo o directorio} \tn 
% Row Count 12 (+ 2)
% Row 8
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{chmod {[}permisos{]} {[}archivo{]}: Cambia los permisos de un archivo en el servidor FTP} \tn 
% Row Count 14 (+ 2)
% Row 9
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{delete {[}archivo{]}: Elimina un archivo en el servidor FTP} \tn 
% Row Count 16 (+ 2)
% Row 10
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{rmdir {[}directorio{]}: Elimina un directorio vacío en el servidor} \tn 
% Row Count 18 (+ 2)
% Row 11
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{rmd {[}directorio{]}: Elimina un directorio y su contenido en el servidor FTP} \tn 
% Row Count 20 (+ 2)
% Row 12
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{mkdir {[}directorio{]}: Crea un nuevo directorio en el servidor} \tn 
% Row Count 22 (+ 2)
% Row 13
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{rename {[}nombre original{]} {[}nuevo nombre{]}: Cambia el nombre} \tn 
% Row Count 24 (+ 2)
% Row 14
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Transferencia de Archivos:}}} \tn 
% Row Count 25 (+ 1)
% Row 15
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{get {[}archivo remoto{]} {[}archivo local{]}: Descarga un archivo del servidor FTP al sistema local} \tn 
% Row Count 27 (+ 2)
% Row 16
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{put {[}archivo local{]} {[}archivo remoto{]}: Carga un archivo desde el sistema local al servidor FTP} \tn 
% Row Count 29 (+ 2)
% Row 17
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Modo Activo y Pasivo:}}} \tn 
% Row Count 30 (+ 1)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Comandos Básicos FTP (cont)}}  \tn
% Row 18
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{PASV: Este comando es enviado por el cliente al servidor FTP para solicitar que el servidor cambie a modo pasivo y abra un puerto para la conexión de datos} \tn 
% Row Count 4 (+ 4)
% Row 19
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{PORT: cuando te conectas a un servidor FTP en modo activo, puedes utilizar el comando PORT para especificar el puerto en el cual el cliente estará escuchando para la conexión de datos} \tn 
% Row Count 8 (+ 4)
% Row 20
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Ayuda y Salida:}}} \tn 
% Row Count 9 (+ 1)
% Row 21
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{help o ?: Muestra la lista de comandos FTP disponibles} \tn 
% Row Count 11 (+ 2)
% Row 22
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{quit: Cierra la sesión FTP y sale del cliente} \tn 
% Row Count 12 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Permisos}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Comando chmod:}} chmod {[}opciones{]} modo-octal fichero. Ej chmod 600 prueba1.txt} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Comando chown:}} chown {[}opciones{]} {[}usuario{]} {[}:grupo{]} ficheros. Ej chown usuario1 prueba.txt} \tn 
% Row Count 4 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Acceso a un servidor FTP modo comando}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Entrar en servidor:}}  ftp} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Ver comando disponibles:}} help} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Conectar a red pública ftp.rediris.es:}} open ftp.rediris.es} \tn 
% Row Count 4 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Obtener archivo:}} get {[}archivo{]}} \tn 
% Row Count 5 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Salir del servidor:}} quit} \tn 
% Row Count 6 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Servidor vsFTPd sin cifrado}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Actualizar repositorios:}} sudo apt-get update \&\& sudo apt-get upgrade} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Instalar servidor vsFTPd:}} sudo apt-get install vsftpd} \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Comprobar servidor en marcha:}} systemctl status vsftpd} \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Comprobar proceso:}} ps -ef | grep vsftpd} \tn 
% Row Count 7 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Agregar usuario:}} sudo adduser userftp} \tn 
% Row Count 8 (+ 1)
% Row 5
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Editar archivo de configuración:}} sudo nano /etc/vsftpd.conf} \tn 
% Row Count 10 (+ 2)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Reiniciar servicio:}} sudo systemctl restart vsftpd} \tn 
% Row Count 12 (+ 2)
% Row 7
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Cambiar directorio home:}} sudo usermod -{}-home /var/www userftp} \tn 
% Row Count 14 (+ 2)
% Row 8
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Comprobar:}} su userftp cd pwd} \tn 
% Row Count 15 (+ 1)
% Row 9
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Añadir usuario a www-data:}} sudo adduser userftp www-data} \tn 
% Row Count 17 (+ 2)
% Row 10
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Agregar nuevo usuario userftp a lista de usuarios de FTP permitidos:}} echo "userftp" | sudo tee -a /etc/vsftpd.userlist} \tn 
% Row Count 20 (+ 3)
% Row 11
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Cerrar conexión:}} ftp\textgreater{} bye} \tn 
% Row Count 21 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Configuración de servidor FTP con Cifrado}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Generar un certificado autofirmado con OpenSSL:}} sudo openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout \seqsplit{/etc/ssl/private/vsftpd.pem} -out \seqsplit{/etc/ssl/private/vsftpd.pem}} \tn 
% Row Count 4 (+ 4)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Comprobar certificado:}} sudo ls -l /etc/ssl/private} \tn 
% Row Count 6 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Modificar archivo configuración:}} sudo nano /etc/vsftpd.conf} \tn 
% Row Count 8 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Acceso con cliente FTP de consola:}} ftp nombre\_de\_host\_ftp} \tn 
% Row Count 10 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Guardar fichero de configuración:}} sudo cp /etc/vsftpd.conf /etc/vsftpd.conf.ftps} \tn 
% Row Count 12 (+ 2)
% Row 5
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Conectar con ssh:}} ssh -i clave user@ipserver} \tn 
% Row Count 13 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}