Kernel Parameters

linux operation

Sample Syslinux boot menu entry for 32-bit operating system:
LABEL upupFFD_32_pae
MENU LABEL k5.04.081 e1.45.5 m20.0.8 x1.20.08 g2.31 c8.30 u2.34.0 upupFFD32rox
LINUX /system.upupFFD32/vmlinuz
INITRD /system.upupFFD32/initrd.gz
APPEND root=UUID=xxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx rootflags=commit=60,data=ordered,errors=remount-ro,relatime,rw rootfstype=auto debugfs=off extra_latent_entropy init_on_alloc=1 init_on_free=1 iomem=strict intel_iommu=on amd_iommu=force_isolation efi=disable_early_pci_dma iommu=force iommu.passthrough=0 iommu.strict=1 loglevel=0 mds=full,nosmt page_alloc.shuffle=1 pti=on random.trust_cpu=off random.trust_bootloader=off randomize_kstack_offset=on slab_nomerge vsyscall=none psubdir=/system.upupFFD32 pfix=copy,fsck,ram pkeys=uk pdebug=y pmedia=usbflash forcepae nomce
SYSAPPEND 0x40000

Sample Syslinux boot menu entry for 32-bit operating system:
LABEL debian_32_testing_mate_npae
MENU LABEL k5.10.013 e1.46.1 m20.3.4 x1.20.10 g2.31 c8.32 u2.36.1 debian32mate
SAY "Booting Debian GNU/Linux Live (kernel 5.10.0-3-686)..."
KERNEL /system.debian32/live/vmlinuz-5.10.0-3-686
INITRD /system.debian32/live/initrd.img-5.10.0-3-686
APPEND root=UUID=xxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx rootflags=commit=60,data=ordered,errors=remount-ro,relatime,rw rootfstype=auto debugfs=off extra_latent_entropy init_on_alloc=1 init_on_free=1 iomem=strict intel_iommu=on amd_iommu=force_isolation efi=disable_early_pci_dma iommu=force iommu.passthrough=0 iommu.strict=1 loglevel=0 mds=full,nosmt page_alloc.shuffle=1 pti=on random.trust_cpu=off random.trust_bootloader=off randomize_kstack_offset=on slab_nomerge vsyscall=none boot=live live-media-path=/system.debian32/live hostname=localhost keyboard-layouts=gb locales=en_GB.UTF-8 timezone=Europe/London username=debian32mate autologin automount nosplash noswap persistence persistent=cryptsetup persistence-encryption=luks rd.systemd.show_status=auto systemd.swap=no nomce
SYSAPPEND 0x40000

Sample Syslinux boot menu entry for 64-bit operating system:
LABEL debian_64_testing_kde
MENU LABEL k5.10.013 e1.46.1 m20.3.4 x1.20.10 g2.31 c8.32 u2.36.1 debian64kde
SAY "Booting Debian GNU/Linux Live (kernel 5.10.0-3-amd64)..."
KERNEL /system.debian64/live/vmlinuz-5.10.0-3-amd64
INITRD /system.debian64/live/initrd.img-5.10.0-3-amd64
APPEND root=UUID=xxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx rootflags=commit=60,data=ordered,errors=remount-ro,relatime,rw rootfstype=auto debugfs=off extra_latent_entropy init_on_alloc=1 init_on_free=1 iomem=strict intel_iommu=on amd_iommu=force_isolation efi=disable_early_pci_dma iommu=force iommu.passthrough=0 iommu.strict=1 loglevel=0 mds=full,nosmt page_alloc.shuffle=1 pti=on random.trust_cpu=off random.trust_bootloader=off randomize_kstack_offset=on slab_nomerge vsyscall=none boot=live live-media-path=/system.debian64/live hostname=localhost keyboard-layouts=gb locales=en_GB.UTF-8 timezone=Europe/London username=debian64kde autologin automount nosplash noswap persistence persistent=cryptsetup persistence-encryption=luks rd.systemd.show_status=auto systemd.swap=no
SYSAPPEND 0x40000

Replace xxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx with your device partition's UUID.
Find your device X partition's UUID using:
blkid /dev/sdX1


https://voidlinux.org/news/2021/03/OpenSSL-hardening-updates.html
https://www.kernel.org/doc/html/latest/admin-guide/kernel-parameters.html


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