update-initramfs
Manage initramfs. tldr-pages
On Linux
Linux
Create a new initramfs (use all for all installed kernel versions)
sudo update-initramfs -c -k kernel_versionIdentifyUpdate an existing initramfs
sudo update-initramfs -uIdentifyRemove an existing initramfs (be careful when using all for kernel_version)
sudo update-initramfs -d -k kernel_versionIdentify