diff --git a/.gitignore b/.gitignore
index bb94ff69d..810939e66 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@ _site
 .jekyll-metadata
 /node_modules
 /vendor
+.idea/
\ No newline at end of file
diff --git a/linux.md b/linux.md
index 3bb925b7c..82cd89acc 100644
--- a/linux.md
+++ b/linux.md
@@ -11,3 +11,9 @@ title: Linux
     sudo visudo
 
     username ALL=(ALL) NOPASSWD:/sbin/restart whatever
+
+### Answer yes in a bash script
+
+```bash
+yes | /your/command
+```