![]() ![]() ![]() Ubuntu Server is packaged with systemd-networkd as the backend for Netplan, while NetworkManager is used as the Netplan backend in Ubuntu Desktop. Netplan is used to configure networking in Ubuntu 18.04 and later. Your Linode is now running Ubuntu 18.04 LTS. You should see output that resembles the following: No LSB modules are available. Once the system has rebooted, verify that it’s running Ubuntu 18.04: lsb_release -a If you select 'y' the system will be restarted. To finish the upgrade, a restart is required. Enter y to continue: System upgrade is complete. Press d for more details (then q to exit the details), or y to continue.Ĭonfiguring openssh-server: Press enter to choose keep the local version currently installed. Once theĭownload has finished, the process cannot be canceled. This download will take aboutģ0 minutes with a 1Mbit DSL connection and about 9 hours with a 56kįetching and installing the upgrade can take several hours. You canĢ packages are going to be removed. Packages no longer supported 3 installed packages are no longer supported by Canonical. If you select 'No' the upgrade will cancel. 'Yes' here it will update all 'trusty' to 'xenial' entries. If the mirror information is out of date.ĭo you want to rewrite your 'sources.list' file anyway? If you choose This can happen if you run an internal mirror or No valid mirror found While scanning your repository information no mirror entry for the do-release-upgradeįollow the on-screen instructions to complete the installation process.īecause Linode offers internal package mirrors for Ubuntu, you may see some combination of the following messages: You’re now ready to begin the upgrade to Ubuntu 18.04 LTS. Note that this option should not be # used if the currently-running release is not itself an LTS # release, since in that case the upgrader won't be able to # determine if a newer release is available. The upgrader # will attempt to upgrade to the first LTS release available after # the currently-running one. # lts - Check to see if a new LTS release is available. ![]() If more than one new # release is found, the release upgrader will attempt to upgrade to # the release that immediately succeeds the currently-running # release. # normal - Check to see if a new release is available. # Default prompting behavior, valid options: # never - Never check for a new release. # Default behavior for the release upgrader. Open /etc/update-manager/release-upgrades and verify that the Prompt value is set to lts on Ubuntu 16.04 or normal on Ubuntu 17.10: Install the update-manager-core package: apt install update-manager-core Remember to perform these steps in a Lish or Glish session: Upgrade from Ubuntu 16.04 LTS to Ubuntu 18.04 LTS You are now ready to install Ubuntu 18.04 LTS on your Linode. ![]() To stop a service, enter the following command, replacing apache2 with the name of the service you want to stop: systemctl stop apache2 Get a list of services currently running on your system: systemctl | grep running This includes web server daemons (Apache and NGINX), database servers (PostgreSQL and MySQL), and any other non-critical services. We recommend that you stop as many services as possible before upgrading to Ubuntu 18.04 LTS. See Apply Kernel Updates for more information. Verify that your Linode is using the latest supported kernel. If you use another backup service or application, we recommend that you make a manual backup before continuing. If you subscribe to the Linode Backup Service, we recommend that you take a manual snapshot before upgrading to Ubuntu 18.04 LTS. That way, you can restore from backup if anything goes wrong during the upgrade process. It’s a good idea to back up your Linode before performing a major upgrade. Update package lists and install all updates: apt update & apt upgrade Start a LISH session to ensure that the installation is not interrupted. In order to prepare your Linode for upgrade, the following steps guide you to:Įnsure that the kernel version you’re using is the latest. For more information on privileges see our Users and Groups guide. Be sure to run the steps below as root or with the sudo prefix. The steps required in this guide require root privileges. If you are upgrading from Ubuntu 17.04 you must first upgrade to Ubuntu 17.10. ![]()
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