Latest / Linux Server Admin with Fexingo: Sysadmin, Bash, and Server Engineering
How to Build a Custom Linux Server Initramfs
In this episode of Linux Server Admin, Lucas and Luna dive into the process of building a custom initramfs for Linux servers. They explain why you might want to replace the distribution's default initramfs—such as for faster boot times, smaller size, or specialized hardware—and walk through the key steps: compiling a kernel module, creating a minimal root filesystem with BusyBox, and using mkinitramfs or dracut to assemble it. The discussion includes a concrete example of adding a custom storage driver for a rare RAID controller, showing how to debug boot failures when the initramfs is too…
The skinny
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