archlinux hibernate

edit config file /etc/mkinitcpio.conf add resume field

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sudo vim /etc/mkinitcpio.conf
HOOKS=(base udev resume autodetect modconf block filesystems keyboard fsck)

Configure the initramfs

When an initramfs with the base hook is used, which is the default, the resume hook is required in /etc/mkinitcpio.conf. Whether by label or by UUID, the swap partition is referred to with a udev device node, so the resume hook must go after the udev hook. This example was made starting from the default hook configuration:

Remember to rebuild the initramfs for these changes to take effect.

run mkinitcpio -p linux to rebuild the initramfs

rebuild initramfs

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sudo mkinitcpio -p linux

for uefi

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vim /boot/loader/entries/arch.conf
# add line
options resume=UUID=ed325732-b768-4680-a4ff-24dd0da24509

for syslinux

edit /boot/syslinux/syslinux.cfg

Required kernel parameters

resume=_swap_partition_

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LABEL arch
TEXT HELP
Boot Arch Linux
ENDTEXT
MENU LABEL Arch Linux
LINUX /boot/vmlinuz-linux
APPEND root=PARTUUID=1af9c78c-0c07-42fb-9e8c-201235183fd5 rootfstype=ext4 rw rootflags=rw,noatime,discard,data=ordered cgroup_disable=memory resume=/dev/sda1
INITRD /boot/intel-ucode.img,/boot/initramfs-linux.img

systemctl hibernate

hibernate and re start the system.

https://wiki.archlinux.org/index.php/Power_management/Suspend_and_hibernate

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