Upgrade Self Managed Ubuntu 12.04 HWE Kernel

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It is highly recommended that you take an image of your existing server prior to following these instructions. Doing so will ensure that if something unexpected occurs, you will be able to restore your server from the backup image.

For instructions on creating a backup image from the Manage interface please visit:
https://www.liquidweb.com/kb/creating-storm-server-images/
https://www.liquidweb.com/kb/restoring-a-storm-server-from-an-image/

Pre-Flight Check
  • As of August 08, 2014, certain versions of Ubuntu 12.04 will no longer receive software updates for the kernel. Affected versions include: 12.04.2 HWE, 12.04.3 HWE, and 12.04.4 HWE.
  • These instructions are intended specifically and only for updating the kernel in Ubuntu 12.04 in Liquid Web US Central Zone B.
  • I’ll be working from a Liquid Web Self-Managed Ubuntu 12.04 server, and I’ll be logged in as root.

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Upgrade from Ubuntu 10.04 To 12.04

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It is highly recommended that you take an image of your existing server prior to following these instructions. Doing so will ensure that if something unexpected occurs, you will be able to restore your server from the backup image.

It is also your imperative, as a Self-Managed customer, to make sure your installed applications that currently work on Ubuntu 10.04 also work on Ubuntu 12.04.

For instructions on creating a backup image from the Manage interface please visit:
https://www.liquidweb.com/kb/creating-storm-server-images/
https://www.liquidweb.com/kb/restoring-a-storm-server-from-an-image/

Pre-Flight Check
  • These instructions are intended specifically and only for upgrading from Ubuntu 10.04 to Ubuntu 12.04 in Liquid Web US Central Zone A.
  • I’ll be working from a Liquid Web Self-Managed Ubuntu 10.04 server, and I’ll be logged in as root.

Continue reading “Upgrade from Ubuntu 10.04 To 12.04”

How To Update the Kernel in CentOS / Red Hat

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Updating the kernel on Red Hat Linux or CentOS Linux is a very simple process. Most commonly you will use the following command in the case of a security vulnerability, or perhaps just to verify that you’re running the most up-to-date kernel:

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CVE-2014-0196 Vulnerability Info for CentOS and Ubuntu

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A vulnerability found in the Linux kernel, specifically a flaw with the pseudo tty (pty) device, allows an unprivileged user to cause a denial of service (system crash) or potentially gain administrator privileges. A small number of CentOS and Ubuntu versions are vulnerable, thus we want to highlight the following information:

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