diff --git a/home/user/.config/bash/functions b/home/user/.config/bash/functions
index 9df76b3..fbbc369 100644
--- a/home/user/.config/bash/functions
+++ b/home/user/.config/bash/functions
@@ -227,4 +227,10 @@ most-often-commands() {
 # Enable X11Forwarding and disable mux session
 sshx() {
     ssh -X -o ControlMaster=no -o ControlPath=none $@
+}
+
+# Open remote tmux
+ssht() {
+    REMOTE="$1"; shift
+    ssh -t "$REMOTE" tmux -u "$@"
 }
\ No newline at end of file
diff --git a/home/user/.config/tmux/mappings.conf b/home/user/.config/tmux/mappings.conf
index f39cc41..a4c9953 100644
--- a/home/user/.config/tmux/mappings.conf
+++ b/home/user/.config/tmux/mappings.conf
@@ -2,6 +2,9 @@
 
 set -g prefix C-b
 
+# Ctrl+a to send prefix to remote tmux
+bind-key -n C-a send-prefix
+
 # Zoom pane
 bind -n M-f resize-pane -Z