Add sudo for catting the initial admin password

01_05.md

@@ -16,7 +16,7 @@ sudo sh -c 'echo deb https://pkg.jenkins.io/debian-stable binary/ > /etc/apt/sou
 sudo apt-get update -y
 sudo apt-get -y install openjdk-11-jdk
 sudo apt-get -y install jenkins
-cat /var/lib/jenkins/secrets/initialAdminPassword
+sudo cat /var/lib/jenkins/secrets/initialAdminPassword
 ```
 
 # Using the Initial Admin Password