diff --git a/README.md b/README.md
index 395d91c..da48b68 100644
--- a/README.md
+++ b/README.md
@@ -1460,15 +1460,16 @@ rustup component add rls rust-analysis rust-src
 Instalamos:
 
 ``` bash
-cargo install tealdeer # tldr tldr
-cargo install du-dust  # tldr dust
-cargo install fd-find  # tldr fd
-cargo install exa      # tldr exa
-cargo install tokei    # tldr tokei
-cargo install gitui    # gitui --help
-cargo install ripgrep  # tldr rg
-cargo install bat      # tldr bat
-cargo install lsd      # tldr lsd
+cargo install tealdeer  # tldr tldr
+cargo install du-dust   # tldr dust
+cargo install fd-find   # tldr fd
+cargo install exa       # tldr exa
+cargo install tokei     # tldr tokei
+cargo install gitui     # gitui --help
+cargo install ripgrep   # tldr rg
+cargo install bat       # tldr bat
+cargo install lsd       # tldr lsd
+cargo install git-delta # tldr delta
 ```
 
 ## golang
@@ -2978,6 +2979,14 @@ investigar con ayuda del `pcsc_scan` y herramientas similares.
 
 ------------------------------------------------------------------------
 
+## Instalación de wireguard.
+
+Instalamos con:
+
+``` bash
+sudo apt install wireguard
+```
+
 # Virtualizaciones y contenedores
 
 ## Instalación de *virtualBox*
@@ -3104,15 +3113,17 @@ distribución:
     sudo apt update
 
     # Install pre-requisites
-    sudo apt install ca-certificates curl
+    sudo apt install ca-certificates curl gnupg lsb-release
 
     # Import the GPG key
+     sudo mkdir -m 0755 -p /usr/local/share/keyrings
+     curl -fsSL https://download.docker.com/linux/debian/gpg | sudo gpg --dearmor -o /usr/local/share/keyrings/docker.gpg
 
-    curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
-
-    # Next, point the package manager to the official Docker repository
+    # Add the repo for Docker
 
-    sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(. /etc/os-release; echo "$UBUNTU_CODENAME") stable"
+    echo \
+      "deb [arch=$(dpkg --print-architecture) signed-by=/usr/local/share/keyrings/docker.gpg] https://download.docker.com/linux/debian \
+      $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
 
     # Update the package database
 
@@ -3121,7 +3132,7 @@ distribución:
 
     apt-cache policy docker-ce
 
-    sudo apt install docker-ce
+    sudo apt install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
 
     sudo gpasswd -a username docker
 
diff --git a/out/LinuxMintUlyana.dw b/out/LinuxMintUlyana.dw
index ae363a7..1f9c533 100644
--- a/out/LinuxMintUlyana.dw
+++ b/out/LinuxMintUlyana.dw
@@ -1230,15 +1230,16 @@ rustup component add rls rust-analysis rust-src
 Instalamos:
 
 <code bash>
-cargo install tealdeer # tldr tldr
-cargo install du-dust  # tldr dust
-cargo install fd-find  # tldr fd
-cargo install exa      # tldr exa
-cargo install tokei    # tldr tokei
-cargo install gitui    # gitui --help
-cargo install ripgrep  # tldr rg
-cargo install bat      # tldr bat
-cargo install lsd      # tldr lsd
+cargo install tealdeer  # tldr tldr
+cargo install du-dust   # tldr dust
+cargo install fd-find   # tldr fd
+cargo install exa       # tldr exa
+cargo install tokei     # tldr tokei
+cargo install gitui     # gitui --help
+cargo install ripgrep   # tldr rg
+cargo install bat       # tldr bat
+cargo install lsd       # tldr lsd
+cargo install git-delta # tldr delta
 </code>
 
 ===== golang =====
@@ -2619,6 +2620,14 @@ Para cada tarjeta puede hacer falta un driver diferente, tendrás que investigar
 
 ----
 
+===== Instalación de wireguard. =====
+
+Instalamos con:
+
+<code bash>
+sudo apt install wireguard
+</code>
+
 ====== Virtualizaciones y contenedores ======
 
 ===== Instalación de virtualBox =====
@@ -2722,15 +2731,17 @@ sudo apt autoremove
 sudo apt update
 
 # Install pre-requisites
-sudo apt install ca-certificates curl
+sudo apt install ca-certificates curl gnupg lsb-release
 
 # Import the GPG key
+ sudo mkdir -m 0755 -p /usr/local/share/keyrings
+ curl -fsSL https://download.docker.com/linux/debian/gpg | sudo gpg --dearmor -o /usr/local/share/keyrings/docker.gpg
 
-curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
-
-# Next, point the package manager to the official Docker repository
+# Add the repo for Docker
 
-sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(. /etc/os-release; echo "$UBUNTU_CODENAME") stable"
+echo \
+  "deb [arch=$(dpkg --print-architecture) signed-by=/usr/local/share/keyrings/docker.gpg] https://download.docker.com/linux/debian \
+  $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
 
 # Update the package database
 
@@ -2739,7 +2750,7 @@ sudo apt update
 
 apt-cache policy docker-ce
 
-sudo apt install docker-ce
+sudo apt install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
 
 sudo gpasswd -a username docker
 </code>
diff --git a/out/LinuxMintUlyana.epub b/out/LinuxMintUlyana.epub
index 3223e60..a8adb1e 100644
Binary files a/out/LinuxMintUlyana.epub and b/out/LinuxMintUlyana.epub differ
diff --git a/out/LinuxMintUlyana.mw b/out/LinuxMintUlyana.mw
index 646802e..ac262d3 100644
--- a/out/LinuxMintUlyana.mw
+++ b/out/LinuxMintUlyana.mw
@@ -1098,15 +1098,16 @@ rustup component add rls rust-analysis rust-src</syntaxhighlight>
 
 Instalamos:
 
-<syntaxhighlight lang="bash">cargo install tealdeer # tldr tldr
-cargo install du-dust  # tldr dust
-cargo install fd-find  # tldr fd
-cargo install exa      # tldr exa
-cargo install tokei    # tldr tokei
-cargo install gitui    # gitui --help
-cargo install ripgrep  # tldr rg
-cargo install bat      # tldr bat
-cargo install lsd      # tldr lsd</syntaxhighlight>
+<syntaxhighlight lang="bash">cargo install tealdeer  # tldr tldr
+cargo install du-dust   # tldr dust
+cargo install fd-find   # tldr fd
+cargo install exa       # tldr exa
+cargo install tokei     # tldr tokei
+cargo install gitui     # gitui --help
+cargo install ripgrep   # tldr rg
+cargo install bat       # tldr bat
+cargo install lsd       # tldr lsd
+cargo install git-delta # tldr delta</syntaxhighlight>
 == golang ==
 
 Bajamos el paquete con la última versión desde [https://golang.org/dl/ la página oficial].
@@ -2331,6 +2332,12 @@ Para cada tarjeta puede hacer falta un driver diferente, tendrás que investigar
 
 -----
 
+<span id="instalación-de-wireguard."></span>
+== Instalación de wireguard. ==
+
+Instalamos con:
+
+<syntaxhighlight lang="bash">sudo apt install wireguard</syntaxhighlight>
 <span id="virtualizaciones-y-contenedores"></span>
 = Virtualizaciones y contenedores =
 
@@ -2424,15 +2431,17 @@ sudo apt autoremove
 sudo apt update
 
 # Install pre-requisites
-sudo apt install ca-certificates curl
+sudo apt install ca-certificates curl gnupg lsb-release
 
 # Import the GPG key
+ sudo mkdir -m 0755 -p /usr/local/share/keyrings
+ curl -fsSL https://download.docker.com/linux/debian/gpg | sudo gpg --dearmor -o /usr/local/share/keyrings/docker.gpg
 
-curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
-
-# Next, point the package manager to the official Docker repository
+# Add the repo for Docker
 
-sudo add-apt-repository &quot;deb [arch=amd64] https://download.docker.com/linux/ubuntu $(. /etc/os-release; echo &quot;$UBUNTU_CODENAME&quot;) stable&quot;
+echo \
+  &quot;deb [arch=$(dpkg --print-architecture) signed-by=/usr/local/share/keyrings/docker.gpg] https://download.docker.com/linux/debian \
+  $(lsb_release -cs) stable&quot; | sudo tee /etc/apt/sources.list.d/docker.list &gt; /dev/null
 
 # Update the package database
 
@@ -2441,7 +2450,7 @@ sudo apt update
 
 apt-cache policy docker-ce
 
-sudo apt install docker-ce
+sudo apt install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
 
 sudo gpasswd -a username docker</pre>
 Esto dejará el servicio ''docker'' funcionando y habilitado (arrancará en cada reinicio del ordenador)
diff --git a/out/LinuxMintUlyana.odt b/out/LinuxMintUlyana.odt
index 96677d7..13f7403 100644
Binary files a/out/LinuxMintUlyana.odt and b/out/LinuxMintUlyana.odt differ
diff --git a/out/LinuxMintUlyana.pdf b/out/LinuxMintUlyana.pdf
index e003cb7..e425da9 100644
Binary files a/out/LinuxMintUlyana.pdf and b/out/LinuxMintUlyana.pdf differ
diff --git a/out/LinuxMintUlyana.tex b/out/LinuxMintUlyana.tex
index beab620..5a58660 100644
--- a/out/LinuxMintUlyana.tex
+++ b/out/LinuxMintUlyana.tex
@@ -2021,15 +2021,16 @@ Instalamos:
 
 \begin{Shaded}
 \begin{Highlighting}[]
-\ExtensionTok{cargo}\NormalTok{ install tealdeer }\CommentTok{\# tldr tldr}
-\ExtensionTok{cargo}\NormalTok{ install du{-}dust  }\CommentTok{\# tldr dust}
-\ExtensionTok{cargo}\NormalTok{ install fd{-}find  }\CommentTok{\# tldr fd}
-\ExtensionTok{cargo}\NormalTok{ install exa      }\CommentTok{\# tldr exa}
-\ExtensionTok{cargo}\NormalTok{ install tokei    }\CommentTok{\# tldr tokei}
-\ExtensionTok{cargo}\NormalTok{ install gitui    }\CommentTok{\# gitui {-}{-}help}
-\ExtensionTok{cargo}\NormalTok{ install ripgrep  }\CommentTok{\# tldr rg}
-\ExtensionTok{cargo}\NormalTok{ install bat      }\CommentTok{\# tldr bat}
-\ExtensionTok{cargo}\NormalTok{ install lsd      }\CommentTok{\# tldr lsd}
+\ExtensionTok{cargo}\NormalTok{ install tealdeer  }\CommentTok{\# tldr tldr}
+\ExtensionTok{cargo}\NormalTok{ install du{-}dust   }\CommentTok{\# tldr dust}
+\ExtensionTok{cargo}\NormalTok{ install fd{-}find   }\CommentTok{\# tldr fd}
+\ExtensionTok{cargo}\NormalTok{ install exa       }\CommentTok{\# tldr exa}
+\ExtensionTok{cargo}\NormalTok{ install tokei     }\CommentTok{\# tldr tokei}
+\ExtensionTok{cargo}\NormalTok{ install gitui     }\CommentTok{\# gitui {-}{-}help}
+\ExtensionTok{cargo}\NormalTok{ install ripgrep   }\CommentTok{\# tldr rg}
+\ExtensionTok{cargo}\NormalTok{ install bat       }\CommentTok{\# tldr bat}
+\ExtensionTok{cargo}\NormalTok{ install lsd       }\CommentTok{\# tldr lsd}
+\ExtensionTok{cargo}\NormalTok{ install git{-}delta }\CommentTok{\# tldr delta}
 \end{Highlighting}
 \end{Shaded}
 
@@ -3967,6 +3968,18 @@ investigar con ayuda del \texttt{pcsc\_scan} y herramientas similares.
 
 \begin{center}\rule{0.5\linewidth}{0.5pt}\end{center}
 
+\hypertarget{instalaciuxf3n-de-wireguard.}{%
+\subsection{Instalación de
+wireguard.}\label{instalaciuxf3n-de-wireguard.}}
+
+Instalamos con:
+
+\begin{Shaded}
+\begin{Highlighting}[]
+\FunctionTok{sudo}\NormalTok{ apt install wireguard}
+\end{Highlighting}
+\end{Shaded}
+
 \hypertarget{virtualizaciones-y-contenedores}{%
 \section{Virtualizaciones y
 contenedores}\label{virtualizaciones-y-contenedores}}
@@ -4131,15 +4144,17 @@ sudo apt autoremove
 sudo apt update
 
 # Install pre-requisites
-sudo apt install ca-certificates curl
+sudo apt install ca-certificates curl gnupg lsb-release
 
 # Import the GPG key
+ sudo mkdir -m 0755 -p /usr/local/share/keyrings
+ curl -fsSL https://download.docker.com/linux/debian/gpg | sudo gpg --dearmor -o /usr/local/share/keyrings/docker.gpg
 
-curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
-
-# Next, point the package manager to the official Docker repository
+# Add the repo for Docker
 
-sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(. /etc/os-release; echo "$UBUNTU_CODENAME") stable"
+echo \
+  "deb [arch=$(dpkg --print-architecture) signed-by=/usr/local/share/keyrings/docker.gpg] https://download.docker.com/linux/debian \
+  $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
 
 # Update the package database
 
@@ -4148,7 +4163,7 @@ sudo apt update
 
 apt-cache policy docker-ce
 
-sudo apt install docker-ce
+sudo apt install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
 
 sudo gpasswd -a username docker
 \end{verbatim}
diff --git a/src/600_security.md b/src/600_security.md
index 5eab74b..99f6a00 100644
--- a/src/600_security.md
+++ b/src/600_security.md
@@ -202,3 +202,12 @@ Para cada tarjeta puede hacer falta un driver diferente, tendrás que
 investigar con ayuda del `pcsc_scan` y herramientas similares.
 
 ----
+
+
+## Instalación de wireguard.
+
+Instalamos con:
+
+```bash
+sudo apt install wireguard
+```