Playing with UEFI One way hackers can compromise systems is by attacking the system before it boots. In order to prevent this, you must secure the operating system by enabling security in UEFI. In other words, you cannot run software if it cannot be trusted to execute code correctly because untrusted software can tamper with […]
Category: The UEFI-based booting sequence
Playing with Secure Boot – Exploring the Various Boot Options and Kernels in Oracle Linux
Playing with Secure Boot Secure Boot is an additional optional feature implemented in UEFI intended to help prevent malware execution during a boot process. To enable or disable Secure Boot, you need to access your specific UEFI setup program. This is different for each system manufacturer. Check your system documentation to see how to access […]
TrenchBoot – improving boot security and integrity – Exploring the Various Boot Options and Kernels in Oracle Linux
TrenchBoot – improving boot security and integrity TrenchBoot is a GitHub cross-community and cross-platform framework integration that grew from an idea by Apertus Solutions that originated in 2014 to deal with the limitations of using tboot to launch Xen for the OpenXT project and other contributors, such as Oracle (Intel), 3mdep (AMD), and Citrix (https://github.com/TrenchBoot). […]
Removing the RHCK – Exploring the Various Boot Options and Kernels in Oracle Linux
Removing the RHCK In this recipe, you will learn how to remove RHCK and its unique package dependencies while keeping all of UEK dependencies. Remember that when installing Oracle Linux, the installer automatically installs the Oracle UEK as the default kernel, but you can install RHCK for compatibility purposes. Getting ready Old versions of Oracle […]
What you need to know about local filesystems 2 – Creating and Managing Single-Instance Filesystems
How to do it… Oracle Linux by default uses the XFS filesystem, but when doing the installation, you can use Btrfs as the root filesystem. If you want to use XFS as the boot filesystem, install it as you normally would. If you want to use Btrfs, then you should continue. Note Your boot filesystem […]