diff --git a/linix-client.sh b/linix-client.sh
index 5414987..0b57664 100644
--- a/linix-client.sh
+++ b/linix-client.sh
@@ -1,3 +1,19 @@
-sudo apt install openvpn
-sudo cp $1 /etc/openvpn/client/$1
-sudo systemctl enable --now openvpn-client@$1
+#!/usr/bin/env bash
+# usage: ./vpn-client-install.sh path/to/mybook.ovpn
+set -euo pipefail
+
+SRC="${1:-}"
+[[ -n "$SRC" && -f "$SRC" ]] || { echo "file not exist: $SRC" >&2; exit 1; }
+
+command -v openvpn >/dev/null || sudo apt-get install -y openvpn
+
+NAME=$(basename "$SRC")
+NAME="${NAME%.*}"            # mybook.ovpn / mybook.conf -> mybook
+
+sudo install -m 600 -o root -g root "$SRC" "/etc/openvpn/client/$NAME.conf"
+sudo systemctl enable openvpn-client@"$NAME"
+sudo systemctl restart openvpn-client@"$NAME"
+
+sleep 3
+systemctl --no-pager status openvpn-client@"$NAME" | head -n 5
+ip -brief addr show | grep -E '^tun' || echo "tun-интерфейс пока не поднялся, смотри: journalctl -u openvpn-client@$NAME -n 50"