How to update ubuntu 12.04 to 14.04

how to update ubuntu 12.04 to 14.04

How to Upgrade Ubuntu 12.04 to 14.04

Apr 02,  · To upgrade your Ubuntu server to Ubuntu , SSH in to your server as root and run the following command: sudo do-release-upgrade -f DistUpgradeViewNonInteractive If the upgrade completes without errors, take a new snapshot of your server so you'll have a snapshot of the server after the upgrade. Apr 22,  · $ sudo do-release-upgrade --check-dist-upgrade-only --devel-release Checking for a new Ubuntu release New release '' available. Run 'do-release-upgrade' to upgrade to it. Run 'do-release-upgrade' to upgrade to it.

This tutorial will describes how to upgrade Ubuntu Server As we know, Ubuntu Server Ti : Before starting upgrade to latest version of ubuntu server, make sure you have full backups you data and everything important on your ubuntu server to other remote system or backup drive. If you are using Ubuntu on VPS make sure take a server snapshot at your provider before upgrading. And we do not grantees the following tutorial will work for you properly. Run the following command to check current version of ubuntu uubuntu and kernel information that used ubuntu server.

After execute command do-release-upgrade, it will showing the upgrade tool like the screenshot on below. Congratulations, your Ubuntu Server You should get information of LSB version like the following screenshot. On this tutorial we also included video step by step upgrading ubuntu server The following video created by LinuxScooporiginal video can found here.

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How to Upgrade Ubuntu Server 12.04 to Ubuntu Server 14.04 LTS

Once remove obsolete packages is complete, you will get message “System upgrade is complete”. Congratulations, your Ubuntu Server has now been upgraded to the Ubuntu Server LTS. To complete the upgrade, reboot your Ubuntu Server by answering ‘Y’. Step 4: Checking Version of Ubuntu Server and Kernel Version After Upgrade. Apr 18,  · Upgrade Ubuntu LTS to Ubuntu LTS First things first: make sure that you are fully up-to-date. Double check by opening the Update Manager application from the dash and installing all updates listed. When that’s done, open the . to to to to Step 1: 1a. to Press Alt + F2 and type in "update-manager" (without the quotes) into the command box. Update Manager should open up and tell you: New distribution release ' LTS' is available. Click Upgrade and follow the on-screen instructions. 1b.

In this Linux system administration tutorial you will learn how to update an Ubuntu Linux Server To complete this tutorial you will require a running Ubuntu Linux Server The system must have network connectivity and access to an Ubuntu update server.

The following steps will guide you through updating an Ubuntu Linux Server The update process can take some time to complete and some steps may take longer than others. To begin updating your Ubuntu Linux System, you will need to be logged in using a valid user account for your system. If you are unsure of how to do this, read our tutorial on Logging into Ubuntu Linux Server In this tutorial, we have logged in as techonthenet on the host called ubuntu.

The sudo command will now prompt you to enter the password for your user account before attempting to execute apt-get update with super user permissions.

If all goes well, you will see apt-get update begin to update its package lists. The apt-get update command outputs a great deal of information and can take some time to complete. Next we will upgrade the software on our system by entering the command sudo apt-get upgrade at the system prompt. If more than 15 minutes has passed since you executed the sudo apt-get update command from the previous steps, sudo will re-ask you to enter your account password.

The apt-get upgrade command will now determine which packages require updating. If new packages are available, it will display something like the following screenshot:. The apt-get upgrade command will prompt you to answer Y to proceed with the upgrade, or N to abort. Case does not matter. We will enter Y to tell apt-get upgrade to proceed and press the Enter key.

Note that Y is the default so pressing the Enter key without entering Y will result in the system completing the updates. The apt-get upgrade command will now begin downloading and updating your software packages. This can take some time so please be patient. You will see output from apt-get upgrade similar to the following:. Some software packages require special attention to update and will not have been updated by the apt-get upgrade command. We can check to see if there are still packages that can be upgraded by re-entering the sudo apt-get upgrade command and then pressing the Enter key to execute the command.

The apt-get upgrade command will now re-check for packages that can be upgraded. If there are packages that have not been upgraded, they will appear in the output of the apt-get upgrade command. In this example, we see that the following packages have been kept back. In our example, the packages that have been kept back contain an updated Linux kernel which we would like to apply.

To update packages that have been kept back you will need to enter the sudo apt-get upgrade command with a list of the specific packages you would like to upgrade. After you have entered the command, press the Enter key to install the software packages. The apt-get upgrade command will now prompt you to confirm that you would like to update the packages. Entering a Y will tell the system to update the packages to the new version. Entering N here will abort the installation.

We will enter Y and press the Enter key to tell the system that we want to update these packages. The apt-get upgrade command will now download and install the new software packages. This process may take some time to complete so please be patient.

Once the apt-get upgrade has completed the software update, you will again be presented with the system prompt. To ensure there are no more packages available for update, we will re-issue the sudo apt-get upgrade command and press the Enter key to continue.

The following line in the screenshot below indicates that there are no more packages available to update. In some instances, such as when an update to the Linux kernel is done, you will need to reboot your system to ensure you are using the latest version of your software.

To reboot your system, enter sudo reboot at the system prompt and press the Enter key to execute the command. While using this site, you agree to have read and accepted our Terms of Service and Privacy Policy. Home Linux. Please re-enable javascript in your browser settings.

Ubuntu Linux Commands bc cat chgrp chmod chown cp date df diff du free gawk awk grep gzip halt head kill ls man mkdir more mv passwd ps pwd reboot rm rsync sed shutdown su tail tar uptime vim vi wc which whoami. Please be sure that your system will not be affected by installing these packages before proceeding.

TIP: By providing the specific packages to apt-get upgrade we are indicating that we are okay with their installation. There may be active users or services running on the system that should not be interrupted. Share on:.

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