tldr/pages/linux/update-initramfs.md

update-initramfs

Manage initramfs. More information: https://manned.org/update-initramfs.

• Create a new initramfs (use all for all installed kernel versions):

sudo update-initramfs -c -k {{kernel_version}}

• Update an existing initramfs:

sudo update-initramfs -u

• Remove an existing initramfs (be careful when using all for kernel_version):

sudo update-initramfs -d -k {{kernel_version}}