Rebuilding initramfs with dracut to Repair Linux Systems

Rebuilding initramfs with dracut to Repair Linux Systems

In some cases, a Linux system may fail to operate normally due to the following reasons: Corrupted or misconfigured initramfs initramfs not generated correctly after a kernel upgrade The system cannot enter the normal boot process (e.g., stuck at the dracut command line, or displaying ‘Cannot find root device’, or stuck at ‘Loading initial ramdisk … Read more

Detailed Explanation of the Linux Boot Process and Key Interview Points

Detailed Explanation of the Linux Boot Process and Key Interview Points

Many people can recite the rough steps of “BIOS -> GRUB -> Kernel -> init”, but when it comes to digging deeper, they often falter. Below, I will break down the Linux boot process in detail and highlight those easily overlooked but crucial core knowledge points, which are key to standing out in interviews. Overview … Read more

Linux System ‘Emergency Room’: A Comprehensive Review of the ‘Boot Storm’ Triggered by NVIDIA Driver Installation

Linux System 'Emergency Room': A Comprehensive Review of the 'Boot Storm' Triggered by NVIDIA Driver Installation

Introduction This is a deep troubleshooting guide for Linux users, especially those using distributions like Pop!_OS and Ubuntu. It is based on a real experience of a system ’emergency’ that lasted several days, triggered by an interruption during the installation of NVIDIA drivers. We will start from the initial ‘unable to boot’ situation and peel … Read more