diff --git a/boot/instruction.md b/boot/instruction.md
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--- /dev/null
+++ b/boot/instruction.md
@@ -0,0 +1,9 @@
+sudo mkdir -p /usr/share/plymouth/themes/earsSplash
+sudo cp -r earsSplash/* /usr/share/plymouth/themes/earsSplash/
+
+sudo update-alternatives --install /usr/share/plymouth/themes/default.plymouth \
+    default.plymouth /usr/share/plymouth/themes/earsSplash/earsSplash.plymouth 100
+sudo update-alternatives --config default.plymouth
+
+sudo update-initramfs -u        # Debian/Ubuntu
+# or: sudo dracut -f            # Fedora/RHEL
\ No newline at end of file