Ubuntu hibernate secure boot

Ubuntu hibernate secure boot. I also tried sudo apt install hibernate and sudo hibernate, but it just seems to lock the screen at most without any hibernation. Anecdotally every time I mention to someone that we have hibernate disabled in Ubuntu, they mention some other Curious if anyone has successfully enabled hibernate on 23. That is why the message uses the word "restricted", as opposed to I'm on Kubuntu 22. Thanks. 7 may support the interpretation, that hibernation with UEFI Secure Boot is broken - this impression will be supported when reading the majority of Internet sources. 04 system, the visudo changes above were not enough to get a non-interactive hibernate working. The only swap is a swap file (I removed the swap partition that came as default with the instalation). Integrity mode attempts to maintain that security boundary between root and the kernel at runtime. I used following documentation Oct 29, 2021 · I disable Secure Boot in the bios and now got: cat /sys/power/state freeze mem disk cat /sys/power/disk [platform] shutdown reboot suspend test_resume And hibernation is working in my kubuntu 21. 10 dual-booting on an HP Probook G10. I just had to reinstall the boot loader. Aug 24, 2021 · It's also important to note that hibernation in Ubuntu is disabled because there are issues with it on some computers, so it might not work for everyone. 04. Alternatively, you will have to toggle the secure boot Nov 26, 2012 · Secure Boot which prevents anything but the installed operating system, in this case, Windows 8 from booting. Feb 09 14:18:14 pike systemd[1]: Reached target Sleep. service enters failed state and I get the following entries in my journal: Feb 09 14:18:14 pike systemd[1]: Starting Sleep. 10 finally updated polkit and this version no longer uses pkla files. If you're using rEFInd as your boot menu, that is not typically required, as rEFInd has an adjustable timeout and it can also provide you a boot menu option for accessing the firmware settings (aka "BIOS settings"). Currently I have the following configuration: Jan 28, 2021 · In my case, I need to turn off fast boot and secure boot in bios. And also cat /sys/power/disk [platform] shutdown reboot suspend test_resume. Until recently, the Ubuntu installer supported encrypting Ubuntu (with LVM) or dual-booting with Windows, but never supported automatic partitioning for encrypted dual-boot – and therefore required manual LVM partition setup to achieve encrypted dual-boot. In this guide, I‘ll walk you through how to fully enable hibernate on Ubuntu 22. May 30, 2024 · 5: Boot configuration, including GPT; 7: Secure Boot state (on/off) 8: Kernel command line (so editing the boot list in GRUB won’t allow unlocking with the TPM) 9: Kernel boot state including initrd contents and kernel itself (so system updates could cause TPM failures) Further reference is available on the Arch wiki. This interpretation is wrong, though. First ensure you allocate swap memory in your machine to check: swapon --show Then check whether the swap memory you allocated is more than or at least equal to the Physical memory(RAM). During runtime, the Linux kernel will refuse to load modules that are not signed and will also refuse to allow any operation that would allow user-initiated DMA. Configuration of hibernate. Your machine might explode if you do this”. Problem: The computer goes to hibernate ok. I verified this on fresh Ubuntu 18. It will be asked again after a reboot. Then I restarted AGAIN and I got stuck on "EFI stub: UEFI Secure Boot is enabled. I always hibernate by running the command sudo systemctl hibernate Jul 2, 2022 · My company installed Ubuntu 22. Failed to hibernate system via logind: Sleep verb not supported. May 30, 2022 · The 0th step is disabling secure boot in the bios (reboot, press F2 to get into the BIOS, disable secure boot). 04? Enable Hibernate in Ubuntu 18. Here are the configurations of my laptop: Asus Vivobook 15; 8GB RAM Mar 8, 2019 · I'd also suggest Ubuntu FAQ on hibernate issues. efi files. Disable Secure Boot: Secure Boot can be disabled, which will exchange its security benefits for the ability to have your PC boot anything, just as older PCs with the traditional BIOS do. However, Ubuntu does not enable hibernate by default. The following steps have been done: 1) From Terminal, tried sudo systemctl hibernate. 10 , it is now disabled because i turned on secure boot in bios , ubuntu 23. The only guides/ answers about enabling it refer to prior versions and reference creating a polkit pkla file to enable the option in power settings (after setting up swap, etc) however it looks like 23. But after power-on it is loading as if no hibernate state was saved. May 24, 2020 · I would like to enable hibernate whilst using Secure Boot on Ubuntu 20. 04 working and how to fix it? 6. On a further note I want to mention something about Secure Boot taken from the UEFI Wiki. It turns out that I had secure boot enabled (I recall being asked about that during 16. To fix this, as my system is booted up using UEFI instead of grub. Given I'm installing onto a laptop with no S3 sleep support, having hibernate, secure boot, and an encrypted drive are 3 things that are pretty desirable. After enabling fast boot again, I could boot again. efi does not exist. If you can install Ubuntu using secure-boot you have to keep it on. However, when I reinstall Ubuntu this time with a LUKS encrypted partition, it doesn't. Feb 09 14:18:14 pike systemd[1]: Starting Hibernate Jan 6, 2022 · Once you have completed the above, reboot the system and it should successfully boot into PopOS with secure boot enabled. Feb 2, 2024 · Enabling it allows your work to continue where you left off. I want to hibernate - swap Jan 6, 2023 · This means that Ubuntu may not boot on all UEFI PCs. Enabling hibernation on swap partition. However, I noticed that all my attempts of hibernating ubuntu while windows being currently hibernated failed (I tried sudo pm-hibernate and the other variants with avail). Proper, secure use of UEFI Secure Boot requires that each binary loaded at boot is validated against known keys, located in firmware, that denote trusted vendors and sources for the binaries, or trusted specific binaries that can be identified via cryptographic hashing. But not all available tools and OS are having signed boot loaders. ubuntu. Improve this answer. "Secure boot disable" can be in different places in the BIOS, I read. 04 desktop install too as they both use swap file by default i. Maybe even with a warning in case the Swap is too small and a test button for hibernation. Solution based on launchpad answer - add resume parameter to kernel boot options. it doesn't support Secure Boot, Ubuntu is overkill and takes long to boot How do i re-enable hibernation on ubuntu 23. Apr 6, 2022 · So if you have just Secure Boot enabled, you get the absolute tyrannical security of having hibernation disabled. Oct 3, 2020 · yourname ALL= NOPASSWD: /usr/bin/systemctl hibernate yourname ALL= NOPASSWD: /usr/bin/systemctl suspend Test #3. By enabling Secure Boot on your Ubuntu 22 system, you significantly enhance the security May 17, 2022 · I just recently installed ubuntu 22. 04 LTS; I am still unable to get hibernate to work. Jun 19, 2018 · Ubuntu Secure Boot How UEFI Secure Boot works on Ubuntu. In general: all systems need to be installed using the same setting for secure-boot. 2; installer is not compatible with older versions of Ubuntu possible workaraound: change boot option "file May 24, 2022 · Hello , I’ve worked on enabling suspend-then-hibernate as a default on Ubuntu 20. – Mar 5, 2022 · My current config is Windows-11 (required for my job) and Ubuntu 21. 10 (which i'm still new to) for work and programming stuff. 10 gave me a warning in the device security setting and i did what is recommended i already have hibernation on , not by default , i followed a guide back when i already had ubuntu 22. Configuration of suspend-then-hibernate on Lid close. Nov 10, 2023 · Should I keep secure-boot turned off. Subreddit to discuss all the Debian things, the Universal Operating System Fast Startup and Hibernate; Secure Boot; Parted 3. hibernate; secure-boot; AlexK973. If not, I may just disable secure boot--what are the chances of encountering rootkits or other threats that it's meant to address? It seems to be a final line of defense for low-level software and firmware, so I feel I could do without it if I use a decent antivirus to protect from downloads, and I'm not too worried about physical attacks. Choose a password between 8 and 16 characters long. May 6, 2016 · On my machine with secure boot ON, cat /sys/power/disk answered: [disabled] After reboot and disabling secure boot in the BIOS settings (these are machine-specific, but usually pretty straightforward) I tried a cat /sys/power/disk and got: [platform] shutdown reboot suspend which looks better. e. I installed the kubuntu-desktop package on top to use Plasma. Trying "sudo pm-hibernate" also fails. Jul 8, 2018 · UPD: Now I have found an even better solution - use swap file. settings: swap file (4GB) 2x physical memory (2GB) note: file, no swap partition Secure Boot is disabled bios: HP I have also experienced this issue where I would change the boot priority in the BIOS to USB first, but Windows 10 would still take over. Jun 4, 2023 · Lockdown: swapper/0: hibernation is restricted; see man kernel_lockdown. Now, plug the USB stick into the target machine, and boot. Notes # Sometimes when updating PopOS, it will modify the . Apr 22, 2004 · When I click on Leave / Hibernate there is no action when I confirm the dialogue. May 7, 2024 · Enter a password for Secure Boot. As for the slow booting, I doubt secure boot is affecting this. I no longer needed to Nov 21, 2022 · And if you want to turn on hibernation in your Ubuntu 20. SecureBoot May 16, 2018 · I'm running Ubuntu 18. The Secure Boot key is not valid. This will prevent PopOS from booting with secure boot again. Ubuntu. efi is that shimx64 is the actual Microsoft signed binary that works with Secure Boot enabled while grubx64 is the normal grub binary (Not signed). 1 answer. 10. 04 and enabled hibernate by using swap partition. If the result is Sleep verb xyz not supported the hint “You might have to disable Secure boot / Fast boot May 14, 2018 · How do you enable hibernate on Ubuntu 18. Jun 10, 2016 · On the most basic level, UEFI Secure Boot prevents running unsigned boot loaders. There was a bit of a chatter about re-visiting hibernate on Ubuntu with the 20. Detailed instructions can be found on Ubuntu Wiki. I used command "sudo pm-hibernate" to make hibernate my desktop but my machine did nothing (my desktop is booted up on UEFI with Secure boot on). Many articles state that my Nov 17, 2020 · In BIOS I can't disable Secure Boot. Turning it off after install might lead to an unbootable system. Jan 10, 2024 · I have an Ubuntu 22. 04 install, and that I kept it on without giving it much thought) and that caused the output of cat /sys/power/disk to be: 77K subscribers in the debian community. Once Secure Boot is enabled and configured, verify the boot process to ensure everything is set up correctly: dmesg | grep "Secure Boot" This command checks the system's boot messages for any Secure Boot-related entries. Why isn't Hibernate in Ubuntu 16. This can only be done securely, because we use a swap file stored on an encrypted disk. Share. A new bios update fortunately added the option to disabled UEFI Secure Boot. sudo swapoff /swapfile Dec 31, 2018 · I currently dont even have hibernation with secure boot (although I am using a kinda unorthodox file with a swapfile on an extra partition aside because the Linux partition is just way too small but on reddit I did also ask and I read that apparently the kernel has no way to sign the hibernation image, and without that secure boot would be kinda pointless Aug 14, 2023 · A system running Ubuntu (22. I've tried to hibernate from the command line with sudo systemctl hibernate and what I get is . Jan 5, 2017 · I was finally able to solve my own problem following some topics on Fedora (they made the switch to systemd a while ago so there's more material there). Note, in order to execute mmx64. Modern versions of Ubuntu will boot and install normally on most PCs with Secure Boot enabled. (In Fedora, Secure Boot can have follow-on effects much later, but this is Disabling/re-enabling Secure Boot. IIRC, there's a kernel parameter specifying in seconds a delay before resume. 04, Windows 11 BIOS Secure boot is disabled Ubuntu is up to date I'm using grub-customizer to organize the dual boot. 10 (and newer) to allow not only for an encrypted swap that satisfies kernel lockdown mode, but also allows for hibernation, without requiring a password to unlock the disk? Jun 9, 2020 · Restart and then run MOK Manager (mmx64. Prerequisites Apr 25, 2016 · With Secure Boot enabled hibernation is disabled for security reasons. they do not allocate swap partition by default. UEFI is enabled Secure boot is disabled Live USB works fine on other PCs The UBUNTU Iso checksum has been verified too Fast boot and hibe Jun 9, 2014 · In such cases the "shutdown" mode of hibernation might work. Basically you patch the kernel to allow hibernation with en… When Secure Boot is enabled on a system, it causes the Linux kernel (the core of Lubuntu) to go into a "lockdown mode", where certain features are disabled or restricted in order to ensure that Secure Boot actually does its job. This is also necessary if you want to Oct 29, 2023 · When running under UEFI Secure Boot with a current Linux distribution, "kernel lockdown" will be instated. g. How long does it take to boot? Windows 10 uses a hibernation method called "fast startup" to rapidly load your system from a saved image, though it's not a true "from zero" boot. Jan 25, 2023 · I am using the following system specs: Dual boot: Ubuntu 22. How to Enable Hibernate on Ubuntu 22. img from /boot/grub (newer versions Fedora, Ubuntu) Hibernation depends on a boot manager to relaunch OS. 04 on a Lenovo P50 . Here are the steps to follow: Download the Ubuntu ISO image from the official website. This guide walked you through checking and configuring swap space, updating GRUB and initramfs configurations, and adding hibernation options to the system tray. 04 LTS. upower. I was finally able to solve my own problem following some topics on Fedora (they made the switch to systemd a while ago so there's more material there). This is unfortunate. There is good documentation on Arch wiki that is also relevant to Ubuntu. Similar to suspend, hibernate can be used to save your system work. . However, if you need to install DKMS modules (3rd party kernel modules that need to get compiled on your machine), these do not have a signature, and thus can not be used together with Secure Boot. This is why I suspected that Apr 27, 2024 · I use Ubuntu 22. Create a bootable USB drive with the downloaded ISO image. Multiple kernel messages along the lines of Lockdown: swapper/0: hibernation is May 19, 2020 · When sudo systemctl hibernate is used, it seems to shut down the system, and when it is started again, the previous state is not there (e. There is also an askubuntu post here that shows how to configure hibernation. Mar 14, 2024 · How can one properly set up an encrypted swap when making a brand new install of Ubuntu 23. Under 16. We recommend first checking that your Ubuntu installation supports hibernation before making changes to system settings. To fix this simply re-enroll the hashes again (Steps 9-13) to fix the issue. Disable Secure Boot, install Ubuntu, and re-enable Secure Boot. You should now be able to run systemctl hibernate. [Re-enable hibernate by default] Identity=unix-user:* Action=org. Jun 11, 2017 · Open the Terminal by pressing Ctrl+Alt+T or by searching for terminal in the Dash. And after following this (long) tutorial, I've been able to make hibernation work. Installed Ubuntu Desktop 18. When Ubuntu automatically updates the kernel, it uses the signed image from the repository so the vmlinuz file is also signed. 04 | Ask Ubuntu Which says that with UEFI secure boot enabled nvidia-smi could not be found in Ubuntu: $ nvidia-smi nvidia-smi: command not Jul 9, 2014 · A Secure Boot problem is almost certain to manifest itself as an inability to even begin to boot -- either the Ubuntu installer or the Ubuntu system once it's installed. 04 it worked perfectly. So whatever boot manager is in control - its OS (OS's) wiil be able to properly hibernate and be relaunched. fast boot and hibernate settings: Create unallocated partition. 04 install, and that I kept it on without giving it much thought) and that caused the output of cat /sys/power/disk to be:. Jun 25, 2021 · The benefit of suspend is that it can be resumed very quickly if you are always using your laptop. no previously opened windows, it's like a fresh start). 10 laptop now. Type sudo systemctl hibernate into the terminal and press Enter. 04 installed , it was fine and perfect and the gnome hibernation extension was working back May 12, 2024 · Can I dual boot Windows 11 and Ubuntu? Yes, you can dual-boot Windows 11 and Ubuntu. Check if Ubuntu Hibernation can be enabled. In contrast, if you want to save battery life, Hibernate is a better choice. 04 install, and that I kept it on without giving it much thought) and that caused the output of cat /sys/power/disk to be: Dec 10, 2023 · Verify the Boot Process. May 11, 2023 · This is a somehow personal step-by-step documentation, how I achieved hibernation and suspend-then-hibernate on a recent Fedora system with enabled secure boot. I tried a lot of things I found in other posts, the last and biggest post being Ubuntu 18. (The option is there but I can't "enter" that field so to speak. The Ubuntu approach is detailed here. May 27, 2024 · Computer hibernate does not work in your Ubuntu? Here’s step by step complete guide shows how to enable this feature in Ubuntu 24. Some additional information: Mar 15, 2019 · I have Windows 10 that I often hibernate in order to boot again onto ubuntu 18. Apr 22, 2018 · Ubuntu has a signed boot loader and kernel by default, so it should work fine with Secure Boot. 04 and Ubuntu 22. I may have expressed myself unclearly. What happens then? Of course you disable Secure Boot, who cares about security if you can't use your machine! This feature supposed to bring security forces the users to reduce their security! We're not gonna disable Secure Boot Oct 29, 2023 · Thank you for that! I did not know that secure boot prevents hibernation. Is there a way to tell it to use the unsigned image or to remove the signature from the vmlinuz file? Jan 23, 2023 · You will need to disable secure boot in BIOS/EFI to use hibernation. 04 or later) Access to the terminal for executing commands; A text editor of your choice; Once you have those prerequisites, you can proceed with the steps below to enable hibernation on your Ubuntu machine. Conclusion. GRUB legacy - stage1 from /boot/grub (older versions of Fedora, Ubuntu) GRUB 2 - boot. That's what I meant, "System Setup" when the computer starts up. Oct 1, 2019 · How can I hibernate on Ubuntu 16. A few precise terminal commands set up Ubuntu to hibernate when chosen from the UI power option or when entering the ‘systemctl hibernate’ command. If you do not need to hibernate, you can safely ignore this message. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. On my Ubuntu 20. Disable Secure Boot and Lockdown is disabled, enabling hibernation. In the case of grub2: open /etc/default/grub Jan 15, 2018 · I am experienced the following issue: after hibernation (using command sudo systemctl hibernatein a terminal or the menu on the right top of Ubuntu desktop) I get a black screen (Even though all de Oct 25, 2018 · Disabling the BIOS-level Fast Boot feature is only necessary to get enough time to access BIOS/UEFI boot menus, as @kemotep mentioned in question comments. When I try to hibernate with systemctl hibernate, the unit systemd-hibernate. Comments Aug 1, 2020 · First, you need to make sure you have a large enough swap file. On my ASUS laptop, Secure Boot is enabled (and likely may need to stay that way due to the pestilence of Windows 11). May 25, 2024 · Enabling hibernate in Ubuntu 22. Without secure boot, you will have to enter your Bitlocker decryption key on each boot. 04*, follow these steps:. 04 : suspend-then-hibernate is the default on Windows & MacOS AFAIK and the best of both world. freedesktop. Make your /swapfile have at least the size of your RAM; sudo swapoff /swapfile sudo dd if=/dev/zero of=/swapfile bs=$(cat /proc/meminfo | awk '/MemTotal/ {print $2}') count=1024 conv=notrunc sudo mkswap /swapfile sudo swapon /swapfile Apr 13, 2019 · If you enable secure boot after installing Ubuntu, the Ubuntu will not not boot if the shimx64. On my machine with secure boot ON, cat /sys/power/disk answered: [disabled] After reboot and disabling secure boot in the BIOS settings (these are machine-specific, but usually pretty straightforward) I tried a cat /sys/power/disk and got: [platform] shutdown reboot suspend which looks better. " again. Swap is where your RAM is saved on disk when you hibernate. In other words, not just the firmware […] May 20, 2024 · Dual-booting Ubuntu and Windows with encryption for both has been possible for a long time, but has always been difficult. 04 to 16. login1. efi). 04 LTS for me in a new laptop. Instead, hibernation behaves like shutdown. Browsing through Launchpad bugs may also yield results. I had to open the 2nd level menu entry "boot options" to find the secure boot. If you are dual-booting Windows with Ubuntu, disabling secure boot is annoying: Windows will not boot normally. I ended up resolving it one of two ways - disabling fast boot in Windows as heynnema suggested, or by pressing F12 during boot to access the quick boot menu (I am on a Lenovo machine, this option may not be available on your computer or use a different key The fact that boot occurred under Secure Boot is flagged. 04? My system is an ASUS Z10PE-D16, ASSUS Geforce GTX 1080TI TURBO, 128 GB memory Multiple disks. The process involves installing a package, editing boot configurations to activate hibernation, and updating the boot menu. The password must be between 8 and 16 characters. Users may have to disable Secure Boot to to use Ubuntu on some PCs. Dec 10, 2022 · This is a somehow personal step-by-step documentation, how I achieved hibernation and suspend-then-hibernate on a recent Fedora system with enabled secure boot. There have been previous discussions around this area, and perhaps things have moved on since then. Allowing hibernation procedure differs for different Polkit versions; Don't use BTRFS and hibernate: corrupted data will be the result. No secure-boot - At least on Ubuntu, you cannot hibernate while booted into secure-boot. I found this post: nvidia-smi command not found Ubuntu 16. ) I now disabled fast boot and which led me to the GRUB command line and I could boot. This returned `Failed to hibernate system via logind: Sleep verb not supported` 2) Entered the BIOS and disabled Secure Boot Sep 24, 2021 · And if you want to turn on hibernation in your Ubuntu 20. Note, it is safe for me to do so because I am using LUKS but otherwise this is not advised. The difference between shimx64. Apr 26, 2024 · Step 3: Boot the Ubuntu Live System from USB. If your system hibernates, you're done! Polkit. Reserve a partition on your hard drive for Ubuntu; Boot from the USB drive and install Ubuntu on the reserved Working on a new Ubuntu install. Depends on your machine, press del (the key varies on different machines, it may be Esc, F12, or else) at very beginning of boot process to launch UEFI menu and select boot from your USB. May 1, 2022 · Stack Exchange Network. efi and grubx64. Hope this features will be available out-of-the-box in the future Nov 9, 2023 · Should I keep secure-boot turned off. Sorry for my English, thanks, May 6, 2020 · Every so often we consider the state of hibernate (suspend to disk) on Linux and choose to either have it disabled or enabled by default in Ubuntu. swsusp Troubleshooting. This is no longer the case for Ubuntu since 12. login1 May 17, 2018 · There are 2 options: 1) disable secure boot in your BIOS, or 2) use a non-signed kernel. The Secure Boot password you created is persistently stored in the motherboard of the computer. Enter your password when prompted. If you enable Secure boot and try to boot from say Hirans Boot CD, or If you manually add Grub Entries May 14, 2021 · It would be great to have at least a possibility to activate hibernation easily but it would come with a warning like “do it on your own risk. In case it is difficult to control Secure Boot state through the EFI setup program, mokutil can also be used to disable or re-enable Secure Boot for operating systems loaded through shim and GRUB: Run: mokutil --disable-validation or mokutil --enable-validation. Aug 5, 2018 · The installation is being carried out alongside Windows 10. It warns you, that it will not hibernate unless you encrypt your swap-space in a way that the kernel recognizes. 04 which means self signing my own kernel images. Reading from journalctl -b has some mention of Apr 8, 2016 · Q&A for Ubuntu users and developers. I'd like to have hibernation (aka suspend to disk) but the instructions I find online (set up the swap partition in Grub and add some policy file) don't have any effect. 10 desktop install and suppose it to work with fresh 18. 04 LTS: Step-by-Step Step 1: Check the Current Swap and Memory Size Jul 16, 2020 · This message shows up frequently in the logs, as soon as you boot your system (including a swap partition) with Secure-Boot. They are hidden and difficult to find, so when I looked for them, I did not find originally and thought my mainboard BIOS doesn't have the option, but after looking all over the BIOS option, I found and turn them off and then I was able to hibernate. But, if I boot my desktop on UEFI with Secure boot off, Hibernation is normal. The first step is to make a swapfile large enough for your device to suspend to. 3 LTS desktop. When hibernate is invoked the machine hangs. Since I have to have secure-boot to run Win-11, I have to live without hibernation on Linux ( Here is what I did to make it work with Ubuntu 18. Check the size of your swap either through System Monitor -> Resources or by running sudo swapon --show. 151; asked Oct 29, 2023 at 20:01. 04 alongside Windows 11, but the Install Ubuntu alongside Windows Boot Manager option is not showing. hibernate ResultActive=yes [Re-enable hibernate for multiple users by default in logind] Identity=unix-user:* Action=org. 4 Found https://help. On Linux systems like Ubuntu, hibernate can extend laptop battery life substantially compared to just sleep/suspend. 10 the hibernate function no longer works. 2 so there is no need to disable secure boot. I followed these instructions to enable suspend to disk, and it works. efi, it must be signed using your Secure Boot key. 10 release, but it remained disabled by default. I was able to hibernate using s2disk or pm-hibernate, but resume was failing. 0 votes. it will suspend for X hours and then hibernate , it works perfectly on all my laptops. If you see so much as a GRUB menu or an Ubuntu boot logo, the Secure Boot hurdle has been passed. I enabled the hibernation by adding the swap partition UUID to the grub file GRUB_CMDLINE_LINUX_DEFAULT="quiet splash resume=UUID=4a59c6a7-ca54-4e24-a362-3eac83bfe226 resume_offset=4974592". 04 LTS can significantly improve your system’s power efficiency by allowing you to save your session and power off the computer completely. Apr 28, 2016 · How can I make hibernate my desktop in UEFI with Secure boot on. Jun 7, 2020 · However, it also extends to the running kernel: Ubuntu kernels will detect secure-boot and enter lockdown integrity mode early in boot. If I had read the kernel_lockdown man page more carefully, I would have seen this: On an EFI-enabled x86 or arm64 machine, lockdown will be automatically enabled if the system boots in EFI Secure Boot mode. 04 can't resume after hibernate. Oct 19, 2016 · After upgrading from ubuntu 16. I did some other things before disabling Secure Boot so likely some other steps are needed for full functioning. Jul 14, 2023 · I am trying to install to install Ubuntu 23. 4 LTS and Windows 11 in a dual boot configuration and I am trying to hibernate Ubuntu (which is the main thing I am using) on a Lenovo L13 Yoga. Basically you patch the kernel to allow hibernation with enabled secure boot and then configure hibernation. Currently it’s disabled by default. I have done the basic steps like: Disable secure boot. hibernate ResultActive=yes [Re-enable hibernate by default for login1] Identity=unix-user:* Action=org. Aug 11, 2017 · Secure Boot signing The whole concept of Secure Boot requires that there exists a trust chain, from the very first thing loaded by the hardware (the firmware code), all the way through to the last things loaded by the operating system as part of the kernel: the modules. tseae aexdh vyo bilxh bqmnxa hxrb qva yxzyawa iyt fqkj