How do I upgrade to a newer version of Ubuntu?

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How to Upgrade to Ubuntu 15.10 Wily Werewolf from Ubuntu 15.04 Vivid/14.04 Trusty/12.04 Precise/any Ubuntu version

The day has arrived for Ubuntu 15.10 release, the final version of Ubuntu 15.10 codenamed Wily Werewolf will be available on 22nd October. For most of the users LTS version is much more excited than 9 month life version, but still there are much people who love to follow every release of Ubuntu since it brings new features with it. We shall bring you guys brief overview of new features of the 15.10 Wily in final release post. By following this guide you can upgrade to Ubuntu 15.10 Wily from any previous Ubuntu version, for those who are still using deprecated (unsupported/end-of-life) version of Ubuntu must upgrade to supported version in order to get security updates because it's important. This following procedure is effective for all Ubuntu flavors (Kubuntu, Xubuntu, Lubuntu, and so).Lets start....


Warning:

Backup your data to external drive/other...

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Ubuntu Linux version 14.04 LTS has been released. How do I upgrade to a newer version of Ubuntu 14.04 LTS from Ubuntu 13.10 or 12.04 LTS?

You can upgrade from minor or major release of Ubuntu easily and recommended for all users.

Back up any important data on the Ubuntu server

Make a backup – it cannot be stressed enough how important it is to make a backup of your system before you do this. Most of the actions listed in this post are written with the assumption that they will be executed by the root user running the bash or any other modern shell. Type the following commands to see current version:
$ uname -mrs
$ lsb_release -a
Sample outputs:

Linux 3.2.0-51-generic x86_64 No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 12.04.4 LTS Release: 12.04 Codename: precise

How do I upgrade to a newer version of Ubuntu, such as v14.04, from an older v13.10 on a server system?

Type the following command to...

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Oops yes 10.4 is Lucid,Thanks again James,

I note the UAS is shown as User Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.3) Gecko/20100423 Ubuntu/10.04 (lucid) Firefox/3.6.3
I am Glad at least Firefox does not name each Release.

I remembered one LTS did not update Firefox and I guess that was 8.04 hardy.

''horstw

I have just booted a 10.04 Lucid and updated the Canonical Firefox on that from Fx20 to Fx25.0.1 the current Release. I did that from within Firefox the about:troubleshooting page has a link for an updated download.

The Ubuntu updater did not seem able to do that and was only offering an update of the OS to 12.04 LTS.

Hopefully that method will work for you. Although I am not sure as you only have Fifefox3.6 You will probably need to check you have the Unbufox extension installed in Firefox so that it will upgrade. Then navigate to about:troubleshooting you should see a link or an alert to upgrade. That will...

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It’s just two more days for the Ubuntu 15.04 release. Yes, the final version of Ubuntu 15.04, codenamed Vivid Vervet will be available for download on coming April 23. As you may know, Ubuntu 15.04 final beta is already out a couple of weeks before. For more details, refer the following link.

This tutorial describes how to upgrade to Ubuntu 15.04 Vivid Vervet from Ubuntu 14.10 Utopic Unicorn. Please note that you can’t directly upgrade from Ubuntu 14.04 to Ubuntu 15.04. We can upgrade from one version to another latest version. First, you should upgrade from 14.04 to 14.10, and then upgrade from 14.10 to 15.04. Clear? Good. Now, Let us start the upgrade process.

Though, the steps provided below are compatible for Ubuntu 15.04, It might work for other Ubuntu derivatives, including Lubuntu/Kubuntu/Xubuntu 15.04 as well.

A word of caution: Before upgrading, backup all your important data to any external device like USB drive or CD/DVD.

Desktop Upgrade

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This document describes how to upgrade from Ubuntu 12.04 to Ubuntu 14.04 LTS. Generally, the Ubuntu .04 versions that get released every 2 years are Long Term Support (LTS) releases, for instance Ubuntu 12.04, 14.04 etc. Effectively, this means that the LTS release comes supported with bug fixes and security updates for as long as 5 years, hence users would not have the privilege of being alerted through popups urging them to install the latest available version.

1 Preliminary Note

This tutorial is based on Ubuntu 12.04 server, so you should set up a basic Ubuntu 12.04 server installation before you continue with this tutorial. The system should have a static IP address. I use 192.168.0.100 as my IP address in this tutorial and server1.example.com as the hostname.

2 Upgrading Existing Ubuntu LTS Release to the Next Available LTS

While this phenomena does not affect usage of regular Ubuntu releases, those users who are tempted to access updated...

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Should I upgrade to Ubuntu 16.04 LTS? How to upgrade to Ubuntu 16.04 from Ubuntu 14.04? What if I am using Ubuntu 12.04, can I upgrade directly to Ubuntu 16.04.

These are some of the genuine questions that you might be thinking as Ubuntu 16.04 release is nearing. Worry not, I try to answer all the Ubuntu 16.04 upgrade related questions in this post.

Should you upgrade to Ubuntu 16.04?

The list of new features in Ubuntu 16.04 is lucrative and it may tempt you to upgrade to Ubuntu 16.04 but the burning question is, should you upgrade to Ubuntu 16.04 or not?

And the answer to that question is: it depends. It depends on which version of Ubuntu are you using currently. There are two main factors to keep in mind.

1. End of life

A long term support (LTS) has a life cycle of 5 years while the normal releases get the support of only 9 months.

Currently supported LTS versions are Ubuntu 12.04, Ubuntu 14.04 and the newest Ubuntu...

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With the release of Ubuntu 16.04 LTS now just a couple of days away you may be trying to decide whether to upgrade or not.

Well, we’re here to complicate matters by showing you how to do it, both before this Thursday’s release and after it.

“Ask yourself: ‘Do I really need to upgrade right now?'”

So if you’re wondering how to upgrade Ubuntu 14.04 LTS to Ubuntu 16.04 LTS, read on; we’re here to walk you through the process step-by-step.

Is Performing an LTS-to-LTS Upgrade Recommended?

Like the version you are upgrading from, Ubuntu 16.04 is a Long Term Support release. It will receive critical bug fixes and security updates from Canonical for 5 years.

A device running Ubuntu 14.04 LTS will only tell you there is a new Ubuntu update after the first point release goes live. In Xenial’s case that’s July.

In short: you won’t be notified of an upgrade this week.

But you don’t have to wait until the system gets around to...

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Here is my advice as a tutorial-like answer, based on my experience upgrading.

This procedure was tested by me, and it worked as it should. Hopefully this will help others to upgrade without problems.

This is not an official guide.

There is no reason to rush. There is no reason to upgrade from day one. The new Ubuntu version is not going away. It will still be there the next week and the next month... Leave the servers to calm down. It will be very frustrating and painful if the server goes down during the upgrade.

First of all we have to check if the new version is available. Open a terminal Ctrl+Alt+T and give this command:

do-release-upgrade -c

This command will check if the new version is available from the servers and will return the result. If you find this command is not available, you need to install the update-manager-core package. If your distro is no longer supported you will need to search for old mirrors for a copy of this package...

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You can read the man-page of apt-get to see what each command do.

Open the manual

man apt-get

Find the section dist-upgrade and read

dist-upgrade

in addition to performing the function of upgrade, also intelligently handles changing dependencies with new versions of packages; apt-get has a "smart" conflict resolution system, and it will attempt to upgrade the most important packages at the expense of less important ones if necessary. So, dist-upgrade command may remove some packages. The /etc/apt/sources.list file contains a list of locations from which to retrieve desired package files. See also apt_preferences(5) for a mechanism for overriding the general settings for individual packages

See also: What is “dist-upgrade” and why does it upgrade more than “upgrade”?

In order to upgrade Ubuntu to a newer release you have to run in terminal

sudo do-release-upgrade

We read from the man-page

man...
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A. Introduction

This tutorial explains how to upgrade to a newer release of Linux Mint.

B. General considerations

B1. Do you need to upgrade?

If things are working fine and you're happy with your current system, then you don't need to upgrade.

A new version of Linux Mint is released every 6 months. It usually comes with new features and improvements but there's nothing wrong with sticking with the release you already have. In fact, you could skip many releases and stick with the version that works for you.

Each release receives bug fixes and security updates for about 18 months (or 3 years in the case of "Long Term Support" releases such as Linux Mint 13). The development team is also focused on the latest release. If bug fixes and security updates are important to you, you should regularly upgrade to the latest releases, otherwise there's nothing wrong with keeping things as they are.

As a general rule... unless you...

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See also: Upgrading to 13.04 Raring Ringtail

An upgrade is the process of going from an earlier version of Ubuntu to a newer version of Ubuntu with an installed system. An example of this would be going from Ubuntu 11.10 to Ubuntu 12.04 LTS. To avoid damaging your running system, upgrading should only be done from one release to the next release (e.g. Ubuntu 12.04 to Ubuntu 12.10) or from one LTS release to the next (e.g. Ubuntu 10.04 LTS to Ubuntu 12.04 LTS). If you wish to 'skip' a version, you can back up your data and do a fresh installation, or progressively upgrade to each successive version. For example, to upgrade from Ubuntu 11.10 to Ubuntu 12.10, first upgrade to 12.04, then upgrade 12.04 to 12.10.

Renewing the Installation without formatting the partitions (in contrast to upgrading), will also keep the personal data and configurations under /home but will renew all system settings under /etc as well as the default set of installed packages.

You...

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Felix Krull runs a PPA offering basically any version of Python (seriously, there is 2.3.7 build for vivid...) for many Ubuntu releases at https://launchpad.net/~fkrull/+archive/ubuntu/deadsnakes.

Do the usual:

sudo add-apt-repository ppa:fkrull/deadsnakes sudo apt-get update sudo apt-get install python3.5

It will not overwrite your existing python3.4 which is still symlinked as python3.

DON'T change the symlink! There are apparently many system functions that don't work properly with python3.5.

I tried this and afterwards couldn't open a terminal, software updater,...

cd /usr/bin sudo rm python3

The upgrade to Wily will adapt the meta-package python3 to point to python3.5. I don't expect any breakage, but at this point the foreign repository is not needed anymore. So to be really safe, you can purge the PPA before doing the...

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You can update nodejs by using npm itself, a PPA, or manually.

npm:

Check the current version you have:

node -v

The following clears your cache.

sudo npm cache clean -f

Install n

sudo npm install -g n

You can tell it to install a specific version like so:

sudo n 0.8.11

Or just tell it to install the latest stable version. Both may take a while.

sudo n stable

To see if it actually upgraded, run:

node -v

PPA:

Other option is to install it via a PPA by chris-lea;

sudo add-apt-repository ppa:chris-lea/node.js sudo apt-get update sudo apt-get install nodejs

This PPA Supports the following distros: Utopic (14.10), Trusty (14.04), Saucy (13.10), Raring (13.04), Quantal (12.10), Precise (12.04), Oneiric (11.10), Natty (11.04), Lucid (10.04).

Manually:

You can always update it by manually downloading the latest version and installing it...

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There is a much simpler way of doing this, and it's the way I use. Simply download the Ubuntu Mainline Kernel Updater script and run it from a terminal. It will download the .deb's for you, install the new kernel, and optionally remove the old one (not recommended) then optionally reboot.

Example output (copied from my terminal):

evilsupahfly@the-black-beast:~$ sudo KernelUpdateChecker -no-rc -r utopic Run this command to install the new kernel /tmp/kernel-update root@the-black-beast:~# /tmp/kernel-update Config Notes: Rejecting Release Candidates Accepting Latest Kernel Accepting kernels compiled for utopic Accepting kernels with a version higher than 3.15.0-031500-lowlatency Information: Origin: http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.15.1-utopic Kernel Version: 3.15.1-031501 Release Date: 2014/06/16 @ 18:41 (YYYY/MM/DD @ HH:MM) Care to look at the change log? (y=Yes, n=No) (n) (download output skipped) Greetings root I (the-black-beast) am now self...
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Ubuntu 16.04, codename Xenial Xerus, with Long Term Support has been officially released today in wild for Desktop, Server, Cloud and Mobile. Canonical announced that the official support for this version will last till 2021.

Among many bug fixes and updated packages, Ubuntu 16.04 comes with the following new features on server version:

Ubuntu 16.04 Server Features

Linux kernel 4.4 OpenSSH 7.2p2 (SSH version 1 protocol completely removed as well as support for 1024-bit DH key exchange) Apache and Nginx with PHP 7.0 supprt Python 3.5 LXD 2.0 Docker 1.10 libvirt 1.3.1 qemu 2.5 Apt 1.2 GNU toolchain ( glib 2.23, bindutils 2.2, GCC 5.3) OpenStack Mitaka VSwitch 2.5.0 Nginx 1.9.15 with HTTP/2 support MySQL 5.7 ZFS file system support

Ubuntu 16.04 Desktop Features

The desktop version side comes with the following notable features:

Unity 7 Ubuntu Software Center is replaced by Gnome Software Brasero and Empathy removed Dash online searches disabled...
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The recommended way to upgrade a Server Edition installation is to use the do-release-upgrade utility. Part of the update-manager-core package, it does not have any graphical dependencies and is installed by default.

Debian based systems can also be upgraded by using apt dist-upgrade. However, using do-release-upgrade is recommended because it has the ability to handle system configuration changes sometimes needed between releases.

To upgrade to a newer release, from a terminal prompt enter:

It is also possible to use do-release-upgrade to upgrade to a development version of Ubuntu. To accomplish this use the -d switch:

Upgrading to a development release is not recommended for production environments.

For further stability of a LTS release there is a slight change in behaviour if you are currently running a LTS version. LTS systems are only automatically considered for an upgrade to the next LTS via do-release-upgrade with the...

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