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Securing your Ubuntu box, don’t worry it’s easy!

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Ubuntu

Linux is generally regarded as secure:

But as preachy as Ubuntu gets about not using a root terminal, you’d think that they must ship this really secure operating system, right?

Well….yes and no.

They actually have a pretty good security framework, the bad news is that most of it is turned off by default, meaning that an Ubuntu box would be a relatively easy target for a malicious hacker should a security hole be found and exploited, I know that this hasn’t normally been an issue on Linux, but the idea of exposing a system without even a basic firewall or application security policy to the open internet is still a really bad one, so I implore you to spend 5 minutes of your time locking things down, and be assured that this will not likely affect performance or inconvenience you in any way.

The different approaches to security by Ubuntu and Fedora:

Fedora ships with SELinux with a Targeted policy, in a nutshell, the Targeted policy was a compromise between securing the whole system and not securing anything, it’s designed to protect the most likely services to be abused by a hacker, you can also deploy the Strict policy by downloading it and applying it in the SELinux configuration program, but this has about a 6-7% overhead and it really is overkill and will likely pretty much destroy your day to day operations on the system if used.

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Leftovers: OSS

Ubuntu Images for Oracle

  • Certified Ubuntu Images available on Oracle Bare Metal Cloud Service
    Certified Ubuntu images are now available in the Oracle Bare Metal Cloud Services, providing developers with compute options ranging from single to 16 OCPU virtual machines (VMs) to high-performance, dedicated bare metal compute instances. This is in addition to the image already offered on Oracle Compute Cloud Service and maintains the ability for enterprises to add Canonical-backed Ubuntu Advantage Support and Systems Management. Oracle and Canonical customers now have access to the latest Ubuntu features, compliance accreditations and security updates.
  • Canonical's Certified Ubuntu Images Land in Oracle's Bare Metal Cloud Service
    Canonical announced the official availability of Certified Ubuntu images in Oracle's Bare Metal Cloud Services, which accompany the images that the company already provides in the Oracle Compute Cloud Service. Canonical's Certified Ubuntu images in Oracle Bare Metal Cloud Services are a great addition because they promise to provide developers with dedicated, high-performance bare-metal compute instances, as well as virtual machines with up to 16 Oracle Compute Unit (OCPU). They also add the ability for Oracle's enterprise customers to access the latest and greatest Ubuntu features.

Leftovers: Software

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