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wiki:1204_hwe_eol [2014/07/16 19:52] |
wiki:1204_hwe_eol [2014/07/16 19:56] [FAQ] |
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| - | ====== What is HWE? ====== | + | ====== Hardware Enablement Stacks ====== |
| + | |||
| + | ===== What is HWE? ===== | ||
| Hardware Enablement Stacks (HWE) are incorporated into installers for select Ubuntu LTS (Long Term Support) point releases. It is a special Ubuntu feature that provides an LTS release with hardware support introduced in newer Ubuntu releases. For Ubuntu 12.04 the point releases are .2/.3/.4/.5 and the corresponding Ubuntu releases are 12.10/13.04/13.10/14.04. | Hardware Enablement Stacks (HWE) are incorporated into installers for select Ubuntu LTS (Long Term Support) point releases. It is a special Ubuntu feature that provides an LTS release with hardware support introduced in newer Ubuntu releases. For Ubuntu 12.04 the point releases are .2/.3/.4/.5 and the corresponding Ubuntu releases are 12.10/13.04/13.10/14.04. | ||
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| The HWE path can be obtained in 2 ways: | The HWE path can be obtained in 2 ways: | ||
| - | 1. Installing Ubuntu from the media (ISO) for these point releases (where HWE is used by default) | + | 1. Installing Ubuntu from the media (ISO) for these point releases (where HWE is used by default) |
| - | 2. Manually installing some packages | + | 2. Manually installing some packages |
| End-of-life (EOL) for 12.04, 12.04.1, and 12.04.5 HWE is April 2017 but for the other HWE stacks it is roughly when 14.04.1 is released: Aug 8, 2014. | End-of-life (EOL) for 12.04, 12.04.1, and 12.04.5 HWE is April 2017 but for the other HWE stacks it is roughly when 14.04.1 is released: Aug 8, 2014. | ||
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| * https://wiki.ubuntu.com/Kernel/Support (Kernel team) | * https://wiki.ubuntu.com/Kernel/Support (Kernel team) | ||
| - | ==== And why should I care? ==== | + | ===== And why should I care? ===== |
| Starting Aug 8, 2014 systems running 12.04.2 HWE, 12.04.3 HWE, or 12.04.4 HWE will no longer receive software updates for the kernel and, if you're running it, the graphics stack. | Starting Aug 8, 2014 systems running 12.04.2 HWE, 12.04.3 HWE, or 12.04.4 HWE will no longer receive software updates for the kernel and, if you're running it, the graphics stack. | ||
| - | ==== How do I know if I'm affected? ==== | + | ===== How do I know if I'm affected? ===== |
| You can: | You can: | ||
| - | 1. use a tool expressly designed to let you know | + | 1. use a tool expressly designed to let you know |
| - | 2. look at what packages you have installed | + | 2. look at what packages you have installed |
| - | ==== Tool ==== | + | ===== Tool ===== |
| The tool is called '''hwe-support-status''' and it will be available first in the -proposed and then in the -updates repositories: | The tool is called '''hwe-support-status''' and it will be available first in the -proposed and then in the -updates repositories: | ||
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| * On affected systems, it provides command line instructions for machines not running a graphics stack (typically servers). It will refer you to a graphical tool (update-manager) if a graphics stack is detected (typically desktops). | * On affected systems, it provides command line instructions for machines not running a graphics stack (typically servers). It will refer you to a graphical tool (update-manager) if a graphics stack is detected (typically desktops). | ||
| - | ==== Packages ==== | + | ===== Packages ===== |
| Check your running kernel version: | Check your running kernel version: | ||
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| This method does not check for a graphics stack HWE. However, you cannot get a HWE graphics stack without a corresponding HWE kernel unless you've done things manually. Note that such a combination (HWE graphics with non-HWE kernel) is not supported. | This method does not check for a graphics stack HWE. However, you cannot get a HWE graphics stack without a corresponding HWE kernel unless you've done things manually. Note that such a combination (HWE graphics with non-HWE kernel) is not supported. | ||
| - | ==== What to do if I'm affected? ==== | + | ===== What to do if I'm affected? ===== |
| You have three options: | You have three options: | ||
| - | 1. Install 12.04.5 HWE (Trusty kernel/graphics) | + | 1. Install 12.04.5 HWE (Trusty kernel/graphics) |
| - | 2. Upgrade to 14.04 LTS | + | 2. Upgrade to 14.04 LTS |
| - | 3. Fresh install of 14.04 LTS | + | 3. Fresh install of 14.04 LTS |
| - | ==== 1. Install 12.04.5 HWE (Trusty kernel/graphics) ==== | + | ===== 1. Install 12.04.5 HWE (Trusty kernel/graphics) ===== |
| The hwe-support-status tool will tell you what you need to do. | The hwe-support-status tool will tell you what you need to do. | ||
| - | ==== 2. Upgrade to 14.04 LTS ==== | + | ===== 2. Upgrade to 14.04 LTS ===== |
| The hwe-support-status tool will tell you what you need to do. | The hwe-support-status tool will tell you what you need to do. | ||
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| * Perform a backup of important data | * Perform a backup of important data | ||
| - | ==== 3. Fresh install of 14.04 LTS ==== | + | ===== 3. Fresh install of 14.04 LTS ===== |
| Redeploy with a fresh copy of Ubuntu 14.04 LTS. | Redeploy with a fresh copy of Ubuntu 14.04 LTS. | ||
| - | ==== FAQ ==== | + | ===== FAQ ===== |
| * '''I am running 12.04.2 HWE. From August 8, 2014 onwards my system will no longer receive package updates?''' | * '''I am running 12.04.2 HWE. From August 8, 2014 onwards my system will no longer receive package updates?''' | ||
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| * '''What are the pros and cons of those options?''' | * '''What are the pros and cons of those options?''' | ||
| - | |||| HWE Upgrade Only || Full 14.04 Upgrade || Fresh 14.04 Install || | + | || HWE Upgrade Only || HWE Upgrade Only || Full 14.04 Upgrade || Fresh 14.04 Install || |
| || Kernel || 14.04/Trusty version (v3.13) || 14.04/Trusty version (v3.13) || 14.04/Trusty version (v3.13) || | || Kernel || 14.04/Trusty version (v3.13) || 14.04/Trusty version (v3.13) || 14.04/Trusty version (v3.13) || | ||
| || Graphics || 14.04/Trusty Xorg and drivers || 14.04/Trusty Xorg and drivers || 14.04/Trusty Xorg and drivers || | || Graphics || 14.04/Trusty Xorg and drivers || 14.04/Trusty Xorg and drivers || 14.04/Trusty Xorg and drivers || | ||
