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--- linux_wiki:ec2_create_ami_templates [2018/03/23 15:15]
billdozor created
+++ linux_wiki:ec2_create_ami_templates [2018/03/23 15:19]
billdozor [Customization Examples]
@@ Line 12: / Line 12: @@
 ====== General AMI Creation Instructions ======
-Launch a normal EC2 instance
+===== Launch a normal EC2 instance =====
   * **Choose AMI**: **This matters**
     * Select the OS that you want the image to be modeled after
@@ Line 30: / Line 31: @@
   * Launch Instance, Login, Customize (install/configure)
-Create Image
+===== Create Image =====
   * In AWS Console, select the instance
   * Click "Actions" > "Image" > "Create Image"
@@ Line 36: / Line 37: @@
     * Type an Image description
     * Click "Create Image"
+----
+===== Customization Examples =====
+Customization examples that could be baked into an EC2 instance template.
+\\
+Create an auto updating instance
+<code bash>
+#!/bin/bash
+# Update right after launch
+yum -y update
+# Install bash-completion and yum-cron
+yum -y install bash-completion vim yum-cron
+# Set to auto update daily
+sed -i 's/apply_updates = no/apply_updates = yes/' /etc/yum/yum-cron.conf
+# Reboot instance
+reboot
+</code>
 ----