This is the officially recommended upgrade path for server upgrades which must be performed over a remote connection. I have successfully upgraded my 16. After logging in you will be greeted with the following message:. Once again type y and the upgrade process will start. ClientAliveInterval 60 Save and close the file.
On a stock system with no custom configuration, it should be safe to enter y here. Installing the upgrade can take several hours. Type y to continue: System upgrade is complete. If you run a firewall, you may need to temporarily open this port. You have to download a total of 267 M. The original desktop of Ubuntu 18.
If you run a firewall, you may need to temporarily open this port. How to Do It… Open the Ubuntu terminal and do the following steps to upgrade Ubuntu 16. Potential Pitfalls Although many systems can be upgraded in place without incident, it is often safer and more predictable to migrate to a major new release by installing the distribution from scratch, configuring services with careful testing along the way, and migrating application or user data as a separate step. If anything goes wrong with the running ssh you can still connect to the additional one. Do you want to continue? Enter y to continue: System upgrade is complete. This download will take about 1 minute with your connection. This process may take some time.
Wait a moment for your server to reboot, then reconnect. To Check Ubuntu distribution details for servers using the command line. Speaking of servers, it is recommended that you upgrade Ubuntu on a test server before doing it on a production server. Check Your Kernel Verify that your Linode is using the latest supported kernel. At the end of the process, you will be asked to remove packages that are no longer required. If anything goes wrong with the running ssh you can still connect to the additional one.
Answer y and press enter to remove obsolete packages. You can follow our series on to learn how to migrate between servers. If you are running Ubuntu on a virtual machine it is best to take a complete system snapshot so you can easily restore your machine in case the update goes south. Although it hasn't yet been released at the time of this writing, it's already possible to upgrade a 15. But if you are running Ubuntu Server and especially production server, we recommend waiting for a few months before the upgrade to Ubuntu 18. Done Building dependency tree Reading state information.
You should never upgrade a production system without first testing all of your deployed software and services against the upgrade in a staging environment. If you choose 'Yes' here it will update all 'artful' to 'bionic' entries. If you continue, an additional ssh daemon will be started at port '1022'. Comprehensive backups and extensive testing are strongly advised. Next, you may be warned that a mirror entry was not found. Use or to perform this upgrade in a stable environment that does not rely on an active internet connection to your Linode.
You should however take care to maintain a backup, in the unlikely event something goes wrong. Comprehensive backups and extensive testing are strongly advised. So you need to wait the process until its finished. Execute commands to upgrade current system packages. Distribution upgrades sometimes yield unpredictable results.
This is usually some sort of network problem, please check your network connection and retry. For other systems under your control, remember that it's safest to perform major operating system upgrades only when you have direct physical access to the machine. You can still get support from the community. You can still get support from the community. Upgrading from Previous Ubuntu Releases If your Linode is running a release of Ubuntu older than 16. Once new packages have finished installing, you'll be asked whether you're ready to remove obsolete packages. Searching for obsolete software Reading package lists.
You can still get support from the community. Also, the following is the desktop of Unity 7 from 16. Once you are ready, click the Start Upgrade button. In that case, it is advisable to wait sometime for the software to support Ubuntu 18. This tutorial will be showing you 2 ways to upgrade from Ubuntu 16. On DigitalOcean systems, it is safe to ignore this warning and proceed with the upgrade, since a local mirror for 16.
Step 1 — Backup Your Data We strongly recommended to backup all your important data from your Server or Desktop to a remote location. Select the Updates tab and then at the bottom set notification to For long-term support versions. Restart required To finish the upgrade, a restart is required. You can still get support from the community. On DigitalOcean systems, it is safe to ignore this warning and proceed with the upgrade, since a local mirror for 18.