diff --git a/linux/bash/bashrc b/linux/bash/bashrc
index e2bfede..c7cd7d7 100644
--- a/linux/bash/bashrc
+++ b/linux/bash/bashrc
@@ -140,6 +140,8 @@ alias gs="git status"
 alias gm="git commit -m"
 # alias rr="rnr 2> /dev/null"
 alias rr="source ranger 2> /dev/null"
+alias dd="ddgr --colorize always --reg it-it"
+alias cat="batcat"
 alias ..="cd .."
 alias ....="cd ../.."
 alias ipc="ip --color a"
diff --git a/linux/ranger/rifle.conf b/linux/ranger/rifle.conf
index 5c5d111..ba34e96 100644
--- a/linux/ranger/rifle.conf
+++ b/linux/ranger/rifle.conf
@@ -1,6 +1,6 @@
-ext css|.|md|conf|txt|sh = vim "$@"
+ext css|md|conf|txt|sh = vim "$@"
 ext ogv|mp4|avi|mkv|ogg = mpv "$@"
-ext pdf = okular "$@"
+ext pdf|epub = okular "$@"
 ext png|jpg = feh "$@"
 ext cb[zr] = qcomicbook "$@"
 ext html = firefox-esr "$@"
diff --git a/linux/script/crontab b/linux/script/crontab
index 75a0962..f48fb4e 100644
--- a/linux/script/crontab
+++ b/linux/script/crontab
@@ -19,4 +19,5 @@
 0 9,15,20 * * * rsync -aPz ~/.config/rnr/ ~/Documenti/repos/mywiki/linux/rnr/
 0 9,15,20 * * * rsync -aPz ~/.vimrc ~/Documenti/repos/mywiki/linux/vim/vimrc
 0 9,15,20 * * * rsync -aPz ~/.xbindkeysrc /home/davide/Documenti/repos/mywiki/linux/xbindkeys/xbindkeysrc
+0 9,15,20 * * * rsync -aPz ~/.tmux.conf /home/davide/Documenti/repos/mywiki/linux/tmux/tmux.conf
 0 9,15,20 * * * crontab -l > ~/Documenti/repos/mywiki/linux/script/crontab
diff --git a/linux/security/ssh.md b/linux/security/ssh.md
index 9810323..e0cf7da 100644
--- a/linux/security/ssh.md
+++ b/linux/security/ssh.md
@@ -142,6 +142,12 @@ port 22
 Modificare le impostazioni di `git`:
 `git config --global --edit`
 
+## Copiare la chiave pubblica in remoto
+
+```bash
+ssh-copy-id -i ~/.ssh/id_rsa.pub -p <port_number> <username>@<host>
+```
+
 ## Collegamenti
 
 - [https://linuxhint.com/enable-ssh-server-debian/](https://linuxhint.com/enable-ssh-server-debian/)
diff --git a/linux/tmux/tmux.conf b/linux/tmux/tmux.conf
index bd5437a..2869202 100644
--- a/linux/tmux/tmux.conf
+++ b/linux/tmux/tmux.conf
@@ -1,8 +1,14 @@
 # Status bar
 set -g status on
+set -g default-terminal "screen-256color"
+set -g status-style bg=default
+set -g status on
 set -g status-interval 1
-set -g status-justify centre # Careful! It is spelled centre not center.
-set -g status-style fg=white,bg=black
+set -g status-justify centre 
+#set -g status-style fg=white,bg=black
 
 # Highlight the current window.
 setw -g window-status-current-style fg=white,bg=red,bright
+
+# Reloading the tmux Config File
+bind r source-file ~/.tmux.conf \; display "Reloaded ~/.tmux.conf"
diff --git a/linux/tmux/tmux.md b/linux/tmux/tmux.md
index e9ee651..db70cda 100644
--- a/linux/tmux/tmux.md
+++ b/linux/tmux/tmux.md
@@ -40,6 +40,8 @@ Questo creerà una nuova sessione tmux con una bella barra di stato completament
 | `tmux rename-session -t 0 nome-sessione` | Per rinominare una sessione esistente                                                                       |
 | `C-b` + `?`                              | Mostra i comandi principali                                                                                 |
 | `C-b` + `:`                              | Entrare in modalità comando                                                                                 |
+| `tmux kill-session -t sess_1`            | Per chiudere la sessione `sess_1`                                                                           |
+| `tmux kill-server`                       | Terminare il server tmux                                                                                    |
 
 ## Configurazione
 
@@ -69,3 +71,4 @@ tmux può anche essere esteso con vari plugins.
 - [https://jdhao.github.io/2018/09/30/tmux_settings_for_vim_users/](https://jdhao.github.io/2018/09/30/tmux_settings_for_vim_users/)
 - [https://gist.github.com/xinshuoweng/ea62e1b19f30dbba60184a85cf04e9a1](https://gist.github.com/xinshuoweng/ea62e1b19f30dbba60184a85cf04e9a1)
 - [https://gist.github.com/tsl0922/d79fc1f8097dde660b34](https://gist.github.com/tsl0922/d79fc1f8097dde660b34)
+- [https://linuxhint.com/kill-tmux-sessions/](https://linuxhint.com/kill-tmux-sessions/)