diff --git a/lang_locale_fix.sh b/lang_locale_fix.sh
new file mode 100644
index 0000000..a3050b6
--- /dev/null
+++ b/lang_locale_fix.sh
@@ -0,0 +1,45 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+MAIN_LANG="en_US.UTF-8"
+CTYPE_LANG="ru_RU.UTF-8"
+
+if [[ "${EUID}" -ne 0 ]]; then
+	echo "Run this script as root: sudo bash $0"
+	exit 1
+fi
+
+ensure_locale_in_locale_gen() {
+	local locale_line="$1"
+	local locale_file="/etc/locale.gen"
+
+	if grep -Eq "^[#[:space:]]*${locale_line//./\\.}[[:space:]]*$" "$locale_file"; then
+		sed -i "s|^[#[:space:]]*\\(${locale_line//./\\.}\\)[[:space:]]*$|\\1|" "$locale_file"
+	else
+		echo "$locale_line" >> "$locale_file"
+	fi
+}
+
+echo "Configuring UTF-8 locales..."
+
+ensure_locale_in_locale_gen "en_US.UTF-8 UTF-8"
+ensure_locale_in_locale_gen "ru_RU.UTF-8 UTF-8"
+
+locale-gen
+
+update-locale LANG="$MAIN_LANG" LC_CTYPE="$CTYPE_LANG"
+
+echo
+echo "Done."
+echo "You should re-login to the shell or reboot for a clean session."
+echo
+echo "Current settings from /etc/default/locale:"
+cat /etc/default/locale || true
+echo
+echo "Available locales:"
+locale -a | grep -E 'en_US|ru_RU' || true
+echo
+echo "After re-login, 'locale' should look roughly like this:"
+echo "LANG=${MAIN_LANG}"
+echo "LC_CTYPE=${CTYPE_LANG}"