![]() This new node will receive all the security and kernel updates available during the automatic check every day but will remain unpatched until all checks and restarts are complete.Īlternatively, you can use node image upgrade to check for and update node images used by your cluster. ![]() ![]() If a new Linux node is added to your cluster, the original image is used to create the node. Unattended upgrades apply updates to the Linux node OS, but the image used to create nodes for your cluster remains unchanged. ![]() These pods in the DaemonSet watch for existence of the /var/run/reboot-required file, and then initiate a process to reboot the nodes. With kured, a DaemonSet is deployed that runs a pod on each Linux node in the cluster. You can use your own workflows and processes to handle node reboots, or use kured to orchestrate the process. This reboot process doesn't happen automatically. A Linux node that requires a reboot creates a file named /var/run/reboot-required. Some security updates, such as kernel updates, require a node reboot to finalize the process. If security or kernel updates are available, they are automatically downloaded and installed. These Linux-based VMs use an Ubuntu image, with the OS configured to automatically check for updates every day. In an AKS cluster, your Kubernetes nodes run as Azure virtual machines (VMs). Understand the AKS node update experience If you need to install or upgrade, see Install Azure CLI. You need the Azure CLI version 2.0.59 or later installed and configured. Additional support can be found in the #weave-community Slack channel. Please direct issues to the kured GitHub. Kured is an open-source project by Weaveworks.
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