Archives for February 2024

kexec_load is a system call in Linux that loads a new kernel image into memory for execution, effectively allowing a Linux system to perform a fast reboot without going through the full hardware initialization process. This system call is particularly useful in situations where a system crash occurs or when administrators need to load a […]

Kernel crashes are inevitable in any computing environment, and having a reliable mechanism to capture diagnostic information is crucial for effective troubleshooting and system recovery. In Red Hat Enterprise Linux (RHEL) 9, the Kdump feature provides a powerful solution for capturing kernel crash data. While Kdump is installed by default in RHEL 9, configuring the […]

Kernel crashes are inevitable occurrences in any operating system environment. When these crashes happen, it’s imperative to have mechanisms in place to collect crucial diagnostic information for analysis and troubleshooting. In Red Hat Enterprise Linux (RHEL) 9, the Kdump feature serves as a powerful tool for capturing kernel crash data, aiding in the resolution of […]

The Kdump feature in RHEL provides a crash dumping mechanism that captures diagnostic information when the kernel crashes. Kdump works by using the kexec system call to boot into a capture kernel without rebooting the system. This capture kernel reserves part of system memory and saves the contents of the crashed kernel’s memory as a […]

The Automatic Bug Reporting Tool (ABRT) package is a utility developed by Red Hat, designed to automatically detect and report application crashes on Linux-based systems. ABRT plays a crucial role in identifying software issues, collecting relevant data about crashes, and facilitating the submission of bug reports to aid in debugging and resolving problems. This tool […]