diff --git a/install.sh b/install.sh
index 5767684..3063049 100644
--- a/install.sh
+++ b/install.sh
@@ -175,7 +175,7 @@ check_existing_installation() {
             if [[ $REPLY =~ ^[Yy]$ ]]; then
                 log_info "Начинаем переустановку по запросу пользователя..."
                 REINSTALL=true
-                return 1 
+                return 1
             else
                 echo ""
                 log_info "Переустановка отменена. Система остается без изменений."
@@ -207,13 +207,20 @@ check_existing_installation() {
 }
 
 full_uninstall() {
-    log_step "Начинаем полное удаление Altcor... :("
+    log_step "Начинаем полное удаление Altcor..."
     
     log_info "Остановка сервисов..."
     systemctl stop nginx apache2 httpd php*-fpm mariadb mysql redis redis-server 2>/dev/null || true
     
     log_info "Удаление пакетов..."
     if [ "$DISTRO_FAMILY" = "debian" ]; then
+        
+        export DEBIAN_FRONTEND=noninteractive
+        
+        echo "mariadb-server mysql-server/remove-data-dir boolean true" | debconf-set-selections 2>/dev/null || true
+        echo "mariadb-server-10.* mysql-server/remove-data-dir boolean true" | debconf-set-selections 2>/dev/null || true
+        echo "mysql-server-* mysql-server/remove-data-dir boolean true" | debconf-set-selections 2>/dev/null || true
+        
         apt purge -y nginx* apache2* php* mariadb* mysql* redis* 2>/dev/null || true
         apt autoremove -y 2>/dev/null || true
     else
@@ -259,9 +266,20 @@ proceed_with_installation() {
 
     log_step "Удаление старых версий пакетов..."
     if [ "$DISTRO_FAMILY" = "debian" ]; then
+        export DEBIAN_FRONTEND=noninteractive
+        
+        echo "mariadb-server mysql-server/remove-data-dir boolean true" | debconf-set-selections 2>/dev/null || true
+        echo "mariadb-server-10.3 mysql-server/remove-data-dir boolean true" | debconf-set-selections 2>/dev/null || true
+        echo "mariadb-server-10.5 mysql-server/remove-data-dir boolean true" | debconf-set-selections 2>/dev/null || true
+        echo "mariadb-server-10.6 mysql-server/remove-data-dir boolean true" | debconf-set-selections 2>/dev/null || true
+        echo "mariadb-server-10.11 mysql-server/remove-data-dir boolean true" | debconf-set-selections 2>/dev/null || true
+        echo "mysql-server-5.7 mysql-server/remove-data-dir boolean true" | debconf-set-selections 2>/dev/null || true
+        echo "mysql-server-8.0 mysql-server/remove-data-dir boolean true" | debconf-set-selections 2>/dev/null || true
+        
         apt remove -y nginx nginx-common nginx-core >/dev/null 2>&1 || true
         apt remove -y php7.* php8.0* php8.1* php8.2* libapache2-mod-php7.* libapache2-mod-php8.0* libapache2-mod-php8.1* libapache2-mod-php8.2* >/dev/null 2>&1 || true
-        env DEBIAN_FRONTEND=noninteractive apt remove --purge -y -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="--force-confold" mariadb* mysql* </dev/null >/dev/null 2>&1 || true
+        
+        apt remove --purge -y -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="--force-confold" mariadb* mysql* </dev/null >/dev/null 2>&1 || true
         apt autoremove -y >/dev/null 2>&1 || true
         rm -rf /var/lib/mysql* /etc/mysql* /var/log/mysql* 2>/dev/null || true
     elif [ "$DISTRO_FAMILY" = "rhel" ]; then
@@ -274,6 +292,7 @@ proceed_with_installation() {
 
     log_step "Обновление списка пакетов..."
     if [ "$DISTRO_FAMILY" = "debian" ]; then
+        export DEBIAN_FRONTEND=noninteractive
         apt update -y >/dev/null 2>&1
         apt install -y software-properties-common lsb-release ca-certificates curl wget gnupg2 apt-transport-https unzip >/dev/null 2>&1
     elif [ "$DISTRO_FAMILY" = "rhel" ]; then
@@ -325,6 +344,7 @@ proceed_with_installation() {
 
     log_step "Установка Apache..."
     if [ "$DISTRO_FAMILY" = "debian" ]; then
+        export DEBIAN_FRONTEND=noninteractive
         apt install -y apache2 >/dev/null 2>&1
     elif [ "$DISTRO_FAMILY" = "rhel" ]; then
         $PKG_MANAGER install -y httpd >/dev/null 2>&1
@@ -333,6 +353,11 @@ proceed_with_installation() {
 
     log_step "Установка MariaDB..."
     if [ "$DISTRO_FAMILY" = "debian" ]; then
+        export DEBIAN_FRONTEND=noninteractive
+        
+        echo "mariadb-server mysql-server/root_password password ''" | debconf-set-selections 2>/dev/null || true
+        echo "mariadb-server mysql-server/root_password_again password ''" | debconf-set-selections 2>/dev/null || true
+        
         apt install -y mariadb-server >/dev/null 2>&1
     elif [ "$DISTRO_FAMILY" = "rhel" ]; then
         $PKG_MANAGER install -y mariadb-server >/dev/null 2>&1
@@ -354,6 +379,7 @@ proceed_with_installation() {
 
     log_step "Установка дополнительных компонентов (Redis, LibreOffice, Java)..."
     if [ "$DISTRO_FAMILY" = "debian" ]; then
+        export DEBIAN_FRONTEND=noninteractive
         apt install -y redis-server libreoffice default-jre >/dev/null 2>&1
     elif [ "$DISTRO_FAMILY" = "rhel" ]; then
         $PKG_MANAGER install -y redis libreoffice java-11-openjdk >/dev/null 2>&1
@@ -362,6 +388,7 @@ proceed_with_installation() {
 
     log_step "Установка PHP 8.3 и расширений..."
     if [ "$DISTRO_FAMILY" = "debian" ]; then
+        export DEBIAN_FRONTEND=noninteractive
         PHP_PACKAGES="php8.3 php8.3-cli php8.3-common php8.3-mysql php8.3-curl php8.3-gd \
                       php8.3-mbstring php8.3-xml php8.3-zip php8.3-opcache php8.3-intl \
                       php8.3-bcmath libapache2-mod-php8.3"
@@ -910,7 +937,6 @@ MYSQL_SCRIPT
     log_step "Сохранение учетных данных..."
     DB_CREDENTIALS_FILE="/root/.db_password"
     cat > "$DB_CREDENTIALS_FILE" << EOF
-# Учетные данные базы данных ALTCor
 
 DB_HOST=localhost
 DB_USER=root