diff --git a/pruebas_spark.md b/pruebas_spark.md
index 95ba20d..4ca2551 100644
--- a/pruebas_spark.md
+++ b/pruebas_spark.md
@@ -2,6 +2,13 @@
 
 ## Comandos:
 
+### Instalar Java
+
+``` 
+sudo apt install -y openjdk-8-jdk
+
+``` 
+
 ### Iniciar master
 
 ```