In this step, we will cover multiple backup methods. Updating our installed software now makes the release upgrade less of a leap forward for many packages, which will reduce the likelihood of errors. Step Two — Preparing for the Upgrade Before we begin with the release upgrade, we need to make sure that the software already installed is up-to-date. Step Four — Upgrading the Kernel Even though you've downloaded a new kernel to go with your updated release, the kernel might not be activated for use by the software used to host your server. If you need to restore your server to this snapshot later on, you can rebuild from that image in the Destroy section of your Droplet's control panel. Conclusion You have now upgraded your Ubuntu server to the latest LTS release, giving you access to the latest software updates as well as security updates until at least First, log in to your DigitalOcean control panel and select the server that you're going to be upgrading. In the Settings panel, select the Kernel tab. While you can do this in the control panel, that is similar to unplugging the power from a computer, so it's recommended that you power down through the terminal instead: Your SSH session will be disconnected, so you'll need to reconnect to confirm that the upgrade went through as expected.
If you want to extend that support time, and get access to new features and updates, you can upgrade your server to the newest LTS release. To avoid these problems, when possible, we recommend migrating to a fresh Ubuntu While the process that we will be going over is the recommended way to perform a release upgrade, there is no way to guarantee that a release upgrade won't cause issues with software or configurations. In this step, we will cover multiple backup methods. How To Use Filezilla to Transfer and Manage Files Securely on your VPS If you need to restore parts of your server files later on, you can use rsync again with the source and destination parameters reversed, like so: However, be sure to read each prompt carefully before choosing an option, and don't be afraid to look up the package in question to be sure that you make the appropriate choice. No LSB modules are available. You can use the following command to copy the server's file system, taking care to change the server credentials marked in red. First, log in to your DigitalOcean control panel and select the server that you're going to be upgrading. During the upgrade process, your server downloaded a new kernel to be loaded for use on Ubuntu While it's unlikely that an older kernel will present issues with software, you might see improved performance or helpful new features with a newer kernel. If you run into compatibility issues with a program after the upgrade, check that program's documentation to see if there were any significant changes that require changes to its configuration. Most of these prompts will ask about overwriting existing configuration files. This is an automated script that will pull the newest release software from Ubuntu's repositories and apply the various upgrades to your server. You can see which kernel version your server is currently using with uname: Fortunately, we can exclude these folders from our backup. Standard updates are released every six months and receive security updates from Ubuntu for at least nine months, while LTS updates are released every two years and are supported for at least five years. You can delete the snapshot once you've verified the upgrade has been completed without problems. If you are currently using Ubuntu If you are using DigitalOcean, the hosting software called KVM maintains the kernel outside of the server image, and will need to be updated separately. If this option is available to you, it's a good idea to use both backup methods for the sake of redundancy, rather than choosing one method over the other. In the Settings panel, select the Kernel tab. If you need to restore your server to this snapshot later on, you can rebuild from that image in the Destroy section of your Droplet's control panel. If you are using DigitalOcean, it's advised that you make a snapshot through the control panel in addition to syncing the files to your local computer. Conclusion You have now upgraded your Ubuntu server to the latest LTS release, giving you access to the latest software updates as well as security updates until at least Your SSH session will be disconnected, so you'll need to reconnect to confirm that the upgrade went through as expected.
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