diff --git a/bash/rescue-hetzner.sh b/bash/rescue-hetzner.sh
index ab7d379..5b123ab 100644
--- a/bash/rescue-hetzner.sh
+++ b/bash/rescue-hetzner.sh
@@ -1,59 +1,3 @@
-rescue_hetzner_configure() {
-	local hostname="${1}"
-	local package
-	local packages=(
-		'mosh'
-		'screen' 'tmux' 'byobu'
-		'apt-file'
-	)
-	# apt / conf
-	echo -n "\
-Acquire::AllowInsecureRepositories False;
-Acquire::AllowWeakRepositories False;
-Acquire::AllowDowngradeToInsecureRepositories False;
-Acquire::Check-Valid-Until True;
-APT::Install-Recommends False;
-APT::Install-Suggests False;
-APT::Get::Show-Versions True;
-Dir::Etc::SourceParts '';
-Dpkg::Progress True;
-" >'/etc/apt/apt.conf'
-	# apt / sources
-	echo -n "\
-deb https://deb.debian.org/debian bookworm main non-free-firmware contrib non-free
-deb https://deb.debian.org/debian bookworm-backports main non-free-firmware contrib non-free
-deb https://deb.debian.org/debian bookworm-updates main non-free-firmware contrib non-free
-deb https://deb.debian.org/debian-security bookworm-security main non-free-firmware contrib non-free
-" >'/etc/apt/sources.list'
-	# bash / rc
-	main_link_bashrc
-	mv .bashrc .bashrc.old
-	# host name
-	hostname "${hostname}"
-	# locales
-	echo -n "\
-en_US.UTF-8 UTF-8
-fr_FR.UTF-8 UTF-8
-" >'/etc/locale.gen'
-	# generate locales
-	locale-gen
-	# update catalog
-	apt-get update
-	#
-	debian_disable_frontend
-	# install packages
-	for package in "${packages[@]}"; do
-		echo
-		echo "${package}"
-		apt-get install \
-			--assume-yes \
-			"${package}"
-		apt_clean_cache
-	done
-	# update catalog
-	apt-get update
-}
-
 rescue_hetzner_install() {
 	local package
 	local release='bookworm'
@@ -107,28 +51,30 @@ rescue_hetzner_upload() {
 	local host="${1}"
 	local hostname="${2}"
 	if [ "${hostname}" ]; then
-		local user='root'
+		local user="root"
 		#
 		local user_host="${user}@${host}"
 		# remove fingerprints
 		ssh-keygen -R "${host}"
 		# copy ssh id
 		ssh-copy-id \
-			-o 'StrictHostKeyChecking=accept-new' \
+			-o "StrictHostKeyChecking=accept-new" \
 			"${user_host}"
 		# upload root
-		rsync --delete --recursive "${MAIN_BASH_ROOT}/" "${user_host}:/etc/bash/"
+		rsync --delete --recursive \
+			"${MAIN_BASH_ROOT}/" "${user_host}:/etc/bash/"
 		# call setup
 		# TODO variable
-		ssh "${user_host}" -- "source '/etc/bash/main.sh' ; rescue_hetzner_configure '${hostname}'"
+		ssh "${user_host}" -- "\
+source \"/etc/bash/main.sh\" ; rescue_configure \"${hostname}\""
 		# create session
 		ssh "${user_host}" -- byobu new-session -d
 		# send keys
-		ssh "${user_host}" -- byobu send-keys 'rescue_hetzner_install' 'C-m'
+		ssh "${user_host}" -- byobu send-keys "rescue_hetzner_install" "C-m"
 		# attach session
 		mosh "${user_host}" -- byobu attach-session
 	else
-		echo 'Host?'
+		echo "Host?"
 		return 1
 	fi
 }
diff --git a/bash/rescue-ovh.sh b/bash/rescue-ovh.sh
index a88b9af..cd91e87 100644
--- a/bash/rescue-ovh.sh
+++ b/bash/rescue-ovh.sh
@@ -1,71 +1,5 @@
 #! /usr/bin/env sh
 
-rescue_ovh_configure() {
-	local hostname="${1}"
-	local release="bookworm"
-	local package
-	# apt / conf
-	printf "\
-Acquire::AllowInsecureRepositories False;
-Acquire::AllowWeakRepositories False;
-Acquire::AllowDowngradeToInsecureRepositories False;
-Acquire::Check-Valid-Until True;
-APT::Install-Recommends False;
-APT::Install-Suggests False;
-APT::Get::Show-Versions True;
-Dir::Etc::SourceParts \"\";
-Dpkg::Progress True;
-" >"/etc/apt/apt.conf.d/apt.conf"
-	# apt / sources
-	printf "%s" "\
-deb https://deb.debian.org/debian \
-${release} main non-free-firmware contrib non-free
-deb https://deb.debian.org/debian \
-${release}-backports main non-free-firmware contrib non-free
-deb https://deb.debian.org/debian \
-${release}-updates main non-free-firmware contrib non-free
-deb https://deb.debian.org/debian-security \
-${release}-security main non-free-firmware contrib non-free
-" >"/etc/apt/sources.list"
-	# bash / rc
-	main_link_bashrc
-	mv .bashrc .bashrc.old
-	# host name
-	hostname "${hostname}"
-	# locales
-	printf "\
-en_US.UTF-8 UTF-8
-fr_FR.UTF-8 UTF-8
-" >"/etc/locale.gen"
-	# generate locales
-	locale-gen
-	# update catalog
-	apt-get update
-	# disable frontend
-	debian_disable_frontend
-	# install backports
-	set "tmux"
-	for package in "${@}"; do
-		echo
-		echo "${package}"
-		apt-get install --assume-yes \
-			--target-release "${release}-backports" \
-			"${package}"
-		apt_clean_cache
-	done
-	# install packages
-	set "apt-file" "mosh" "byobu"
-	for package in "${@}"; do
-		echo
-		echo "${package}"
-		apt-get install --assume-yes \
-			"${package}"
-		apt_clean_cache
-	done
-	# update catalog
-	apt-get update
-}
-
 rescue_ovh_install() {
 	local package
 	local release="bookworm"
@@ -127,7 +61,7 @@ rescue_ovh_upload() {
 		# call setup
 		# TODO variable
 		ssh "${user_host}" -- "\
-source \"/etc/bash/main.sh\" ; rescue_ovh_configure \"${hostname}\""
+source \"/etc/bash/main.sh\" ; rescue_configure \"${hostname}\""
 		# create session
 		ssh "${user_host}" -- byobu new-session -d
 		# send keys
diff --git a/bash/rescue.sh b/bash/rescue.sh
index e69de29..8b1bc32 100644
--- a/bash/rescue.sh
+++ b/bash/rescue.sh
@@ -0,0 +1,65 @@
+rescue_configure() {
+	local hostname="${1}"
+	local release="bookworm"
+	local package
+	# apt / conf
+	printf "\
+Acquire::AllowInsecureRepositories False;
+Acquire::AllowWeakRepositories False;
+Acquire::AllowDowngradeToInsecureRepositories False;
+Acquire::Check-Valid-Until True;
+APT::Install-Recommends False;
+APT::Install-Suggests False;
+APT::Get::Show-Versions True;
+Dir::Etc::SourceParts \"\";
+Dpkg::Progress True;
+" >"/etc/apt/apt.conf.d/apt.conf"
+	# apt / sources
+	printf "%s" "\
+deb https://deb.debian.org/debian \
+${release} main non-free-firmware contrib non-free
+deb https://deb.debian.org/debian \
+${release}-backports main non-free-firmware contrib non-free
+deb https://deb.debian.org/debian \
+${release}-updates main non-free-firmware contrib non-free
+deb https://deb.debian.org/debian-security \
+${release}-security main non-free-firmware contrib non-free
+" >"/etc/apt/sources.list"
+	# bash / rc
+	main_link_bashrc
+	mv .bashrc .bashrc.old
+	# host name
+	hostname "${hostname}"
+	# locales
+	printf "\
+en_US.UTF-8 UTF-8
+fr_FR.UTF-8 UTF-8
+" >"/etc/locale.gen"
+	# generate locales
+	locale-gen
+	# update catalog
+	apt-get update
+	# disable frontend
+	debian_disable_frontend
+	# install backports
+	set "tmux"
+	for package in "${@}"; do
+		echo
+		echo "${package}"
+		apt-get install --assume-yes \
+			--target-release "${release}-backports" \
+			"${package}"
+		apt_clean_cache
+	done
+	# install packages
+	set "apt-file" "mosh" "screen" "byobu"
+	for package in "${@}"; do
+		echo
+		echo "${package}"
+		apt-get install --assume-yes \
+			"${package}"
+		apt_clean_cache
+	done
+	# update catalog
+	apt-get update
+}