The other instances' will have similar hosts files.ĪWS OpsWorks Stacks supports the 64-bit version of Amazon Linux. Hosts file will look something like the following example, and Nodejs-app2, and one MySQL instance, db-master1. ForĮxample, suppose that you have a stack with two Node.js App Server instances, nodejs-app1 and Stack's online instances in each instance's hosts file. AWS OpsWorks Stacks includes the public and private addresses for all of the Hosts fileĮach online instance has a /etc/hosts file that maps IPĪddresses to host names. For more information, see Using Custom AMIs. Each Linux distribution hasĭifferent support timelines and package-merge policies, so you should consider whichĪpproach best suits your requirements. Which package versions are installed on an instance. For example, with custom AMIs you can specify You can manually update an online instance's operating system atĪny time by running the Upgrade Operating System stack command.įor more information on how to manage security updates, see Managing Security Updates.įor more control over how AWS OpsWorks Stacks updates your instances, create a custom AMI based on To avoid service interruptions, AWS OpsWorks Stacks does not automatically install updates afterĪn instance is online. The InstallUpdatesOnBoot parameter to false. To disable automatic updates use the CreateInstance, UpdateInstance, CreateLayer, or UpdateLayer actions-or the equivalent AWS SDK methods or AWS CLI commands- to set Updatesīy default, AWS OpsWorks Stacks ensures that Linux instances have the latest security patches byĪutomatically calling yum update or apt-get update after an The supported versions and patch levels for packages, such asĭepend on the operating system and version as described in the following sections.
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