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Ubuntu updating issues

Dell is working with Canonical to address this issue as the issue stems from a functionality change within the kernel.

urrently, Non-End of Life versions of the operating system will not load unsigned kernel modules for hardware enablement.

This is creating an issue for OEM images that are loaded onto Dell systems, as there are heavy dependencies on those modules.

fcgi), you can create a file named Gemfile.local at the root of your redmine directory.

It will be loaded automatically when running `bundle install`. Run the following command from your new Redmine root directory: If you're upgrading from Redmine 2.x or below, remove the following file if it exists: Alternatively, you can store this secret in config/secrets.yml: 8.

Most upgrades are safe but it never hurts to have a backup just in case.

To understand how to back up your Redmine, please read Backing up and restoring Redmine. This process is different depending on how you downloaded Redmine.

Don't forget to re-run `bundle install` when you change config/for using other database adapters.

If you need to load some gems that are not required by Redmine core (eg.

The company said last week in a public announcement that it will patch all supported Ubuntu releases against Meltdown and Spectre security vulnerabilities, and the first set of patches are now available in the stable software repositories of Ubuntu 17.10 (Artful Aardvark), Ubuntu 16.04 LTS (Xenial Xerus), and Ubuntu 14.04 LTS (Trusty Tahr) to address some of these issues.

"Jann Horn discovered that microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized memory reads via side-channel attacks. A local attacker could use this to expose sensitive information, including kernel memory (CVE-2017-5754)," reads the advisory.

The company also recommend you to recompile and reinstall any third-party kernel modules you might have installed. Update: Canonical released on January 10, 2018, a kernel update to mitigate the Meltdown security vulnerability for users running the Ubuntu 12.04 ESM (Extended Security Maintenance) release.