From 0ce1f36dc7ce3bdf6cdaf4c9449be6742226954e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Castillo?= <31448043+sincorchetes@users.noreply.github.com> Date: Mon, 27 May 2024 00:28:26 +0200 Subject: [PATCH 1/2] Create change_kernel_boot.rst --- change_kernel_boot.rst | 234 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 234 insertions(+) create mode 100644 change_kernel_boot.rst diff --git a/change_kernel_boot.rst b/change_kernel_boot.rst new file mode 100644 index 000000000..3bf8e47a2 --- /dev/null +++ b/change_kernel_boot.rst @@ -0,0 +1,234 @@ +.. _change_kernel_boot: + +Change Kernel Boot +######################## + +This tutorial explains the process of change kernel boot entry |CL-ATTR|. + +.. contents:: + :local: + :depth: 1 + +Description +*********** + +For this tutorial, you will modify your kernel list to boot with the kernel you want to use. This process is valid when you cannot compile third-party kernel modules and need to come back to old, or if you compile your custom kernel. + + +Get the current boot status +*************************** + +.. code-block:: bash + + bootctl status + +This is an example output: + +.. code-block:: bash + + System: + Firmware: UEFI 2.70 (HP 265.256) + Firmware Arch: x64 + Secure Boot: disabled + TPM2 Support: yes + Measured UKI: no + Boot into FW: supported + + Current Boot Loader: + Product: systemd-boot 255 + Features: ✓ Boot counting + ✓ Menu timeout control + ✓ One-shot menu timeout control + ✓ Default entry control + ✓ One-shot entry control + ✓ Support for XBOOTLDR partition + ✓ Support for passing random seed to OS + ✓ Load drop-in drivers + ✓ Support Type #1 sort-key field + ✓ Support @saved pseudo-entry + ✓ Support Type #1 devicetree field + ✓ Enroll SecureBoot keys + ✓ Retain SHIM protocols + ✓ Menu can be disabled + ✓ Boot loader sets ESP information + ESP: /dev/disk/by-partuuid/ea2e4278-5c0c-4498-bc99-dfc48a71ceb5 + File: └─/EFI/org.clearlinux/loaderx64.efi + + Random Seed: + System Token: set + Exists: yes + + Available Boot Loaders on ESP: + ESP: /boot (/dev/disk/by-partuuid/ea2e4278-5c0c-4498-bc99-dfc48a71ceb5) + File: ├─/EFI/systemd/systemd-bootx64.efi (systemd-boot 255) + └─/EFI/BOOT/BOOTX64.EFI (systemd-boot 255) + + Boot Loaders Listed in EFI Variables: + Title: Linux bootloader + ID: 0x0007 + Status: active, boot-order + Partition: /dev/disk/by-partuuid/ea2e4278-5c0c-4498-bc99-dfc48a71ceb5 + File: └─/EFI/org.clearlinux/bootloaderx64.efi + + Title: Linux Boot Manager + ID: 0x0001 + Status: active, boot-order + Partition: /dev/disk/by-partuuid/ea2e4278-5c0c-4498-bc99-dfc48a71ceb5 + File: └─/EFI/systemd/systemd-bootx64.efi + + Title: Windows Boot Manager + ID: 0x0000 + Status: active, boot-order + Partition: /dev/disk/by-partuuid/48d8a9eb-d84d-4a62-8302-edff383290e5 + File: └─/EFI/Microsoft/Boot/bootmgfw.efi + + Boot Loader Entries: + $BOOT: /boot (/dev/disk/by-partuuid/ea2e4278-5c0c-4498-bc99-dfc48a71ceb5) + token: clear-linux-os + + Default Boot Loader Entry: + type: Boot Loader Specification Type #1 (.conf) + title: Clear Linux OS (Clear-linux-native-6.8.10-1434.conf) + id: Clear-linux-native-6.8.10-1434.conf + source: /boot//loader/entries/Clear-linux-native-6.8.10-1434.conf + linux: /boot//EFI/org.clearlinux/kernel-org.clearlinux.native.6.8.10-1434 + initrd: /boot//EFI/org.clearlinux/freestanding-00-early-ucode.cpio + /boot//EFI/org.clearlinux/initrd-org.clearlinux.native.6.8.10-1434 + /boot//EFI/org.clearlinux/freestanding-clr-init.cpio.gz + /boot//EFI/org.clearlinux/freestanding-i915-firmware.cpio + options: root=UUID=67e7ac9a-f7a1-4d5e-bbd6-012f5fa81cb5 rd.luks.uuid=abe6aaf2-3425-4eb1-b7f5-3f36746426fa quiet console=tty0 console=ttyS0,115200n8 cryptomgr.notests init=/usr/bin/initra-desktop initcall> + lines 20-71/71 (END) + ✓ Support @saved pseudo-entry + ✓ Support Type #1 devicetree field + ✓ Enroll SecureBoot keys + ✓ Retain SHIM protocols + ✓ Menu can be disabled + ✓ Boot loader sets ESP information + ESP: /dev/disk/by-partuuid/ea2e4278-5c0c-4498-bc99-dfc48a71ceb5 + File: └─/EFI/org.clearlinux/loaderx64.efi + + Random Seed: + System Token: set + Exists: yes + + Available Boot Loaders on ESP: + ESP: /boot (/dev/disk/by-partuuid/ea2e4278-5c0c-4498-bc99-dfc48a71ceb5) + File: ├─/EFI/systemd/systemd-bootx64.efi (systemd-boot 255) + └─/EFI/BOOT/BOOTX64.EFI (systemd-boot 255) + + Boot Loaders Listed in EFI Variables: + Title: Linux bootloader + ID: 0x0007 + Status: active, boot-order + Partition: /dev/disk/by-partuuid/ea2e4278-5c0c-4498-bc99-dfc48a71ceb5 + File: └─/EFI/org.clearlinux/bootloaderx64.efi + + Title: Linux Boot Manager + ID: 0x0001 + Status: active, boot-order + Partition: /dev/disk/by-partuuid/ea2e4278-5c0c-4498-bc99-dfc48a71ceb5 + File: └─/EFI/systemd/systemd-bootx64.efi + + Title: Windows Boot Manager + ID: 0x0000 + Status: active, boot-order + Partition: /dev/disk/by-partuuid/48d8a9eb-d84d-4a62-8302-edff383290e5 + File: └─/EFI/Microsoft/Boot/bootmgfw.efi + + Boot Loader Entries: + $BOOT: /boot (/dev/disk/by-partuuid/ea2e4278-5c0c-4498-bc99-dfc48a71ceb5) + token: clear-linux-os + + Default Boot Loader Entry: + type: Boot Loader Specification Type #1 (.conf) + title: Clear Linux OS (Clear-linux-native-6.8.10-1434.conf) + id: Clear-linux-native-6.8.10-1434.conf + source: /boot//loader/entries/Clear-linux-native-6.8.10-1434.conf + linux: /boot//EFI/org.clearlinux/kernel-org.clearlinux.native.6.8.10-1434 + initrd: /boot//EFI/org.clearlinux/freestanding-00-early-ucode.cpio + /boot//EFI/org.clearlinux/initrd-org.clearlinux.native.6.8.10-1434 + /boot//EFI/org.clearlinux/freestanding-clr-init.cpio.gz + /boot//EFI/org.clearlinux/freestanding-i915-firmware.cpio + options: root=UUID=67e7ac9a-f7a1-4d5e-bbd6-012f5fa81cb5 rd.luks.uuid=abe6aaf2-3425-4eb1-b7f5-3f36746426fa quiet console=tty0 console=ttyS0,115200n8 cryptomgr.notests init=/usr/bin/initra-desktop initcall_debug intel_iommu=igfx_off kvm-intel.nested=1 no_timer_check noreplace-smp page_alloc.shuffle=1 rcupdate.rcu_expedited=1 rootfstype=ext4,btrfs,xfs,f2fs tsc=reliable rw module.sig_unenforce rootflags=x-systemd.device-timeout=0 + +Get the kernel list installed +***************************** + +.. code-block:: bash + + bootctl list + +And example output: + +.. code-block:: bash + + type: Boot Loader Specification Type #1 (.conf) + title: Clear Linux OS (Clear-linux-preempt_rt-6.1.38-105.conf) + id: Clear-linux-preempt_rt-6.1.38-105.conf + source: /boot//loader/entries/Clear-linux-preempt_rt-6.1.38-105.conf + linux: /boot//EFI/org.clearlinux/kernel-org.clearlinux.preempt_rt.6.1.38-105 + initrd: /boot//EFI/org.clearlinux/freestanding-00-early-ucode.cpio + /boot//EFI/org.clearlinux/freestanding-clr-init.cpio.gz + /boot//EFI/org.clearlinux/freestanding-i915-firmware.cpio + options: root=UUID=67e7ac9a-f7a1-4d5e-bbd6-012f5fa81cb5 rd.luks.uuid=abe6aaf2-3425-4eb1-b7f5-3f36746426fa quiet console=tty0 console=ttyS0,115200n8 cryptomgr.notests init=/usr/bin/initra-desktop initcall_debug intel_iommu=igfx_off kvm-intel.nested=1 no_timer_check noreplace-smp page_alloc.shuffle=1 rcupdate.rcu_expedited=1 rootfstype=ext4,btrfs,xfs t> + + type: Boot Loader Specification Type #1 (.conf) + title: Clear Linux OS (Clear-linux-native-6.9.1-1436.conf) + id: Clear-linux-native-6.9.1-1436.conf + source: /boot//loader/entries/Clear-linux-native-6.9.1-1436.conf + linux: /boot//EFI/org.clearlinux/kernel-org.clearlinux.native.6.9.1-1436 + initrd: /boot//EFI/org.clearlinux/freestanding-00-early-ucode.cpio + /boot//EFI/org.clearlinux/initrd-org.clearlinux.native.6.9.1-1436 + /boot//EFI/org.clearlinux/freestanding-clr-init.cpio.gz + /boot//EFI/org.clearlinux/freestanding-i915-firmware.cpio + options: root=UUID=67e7ac9a-f7a1-4d5e-bbd6-012f5fa81cb5 rd.luks.uuid=abe6aaf2-3425-4eb1-b7f5-3f36746426fa quiet console=tty0 console=ttyS0,115200n8 cryptomgr.notests init=/usr/bin/initra-desktop initcall_debug intel_iommu=igfx_off kvm-intel.nested=1 no_timer_check noreplace-smp page_alloc.shuffle=1 rcupdate.rcu_expedited=1 rootfstype=ext4,btrfs,xfs,f> + + type: Boot Loader Specification Type #1 (.conf) + title: Clear Linux OS (Clear-linux-native-6.8.10-1434.conf) (default) (selected) + id: Clear-linux-native-6.8.10-1434.conf + source: /boot//loader/entries/Clear-linux-native-6.8.10-1434.conf + linux: /boot//EFI/org.clearlinux/kernel-org.clearlinux.native.6.8.10-1434 + initrd: /boot//EFI/org.clearlinux/freestanding-00-early-ucode.cpio + /boot//EFI/org.clearlinux/initrd-org.clearlinux.native.6.8.10-1434 + /boot//EFI/org.clearlinux/freestanding-clr-init.cpio.gz + /boot//EFI/org.clearlinux/freestanding-i915-firmware.cpio + options: root=UUID=67e7ac9a-f7a1-4d5e-bbd6-012f5fa81cb5 rd.luks.uuid=abe6aaf2-3425-4eb1-b7f5-3f36746426fa quiet console=tty0 console=ttyS0,115200n8 cryptomgr.notests init=/usr/bin/initra-desktop initcall_debug intel_iommu=igfx_off kvm-intel.nested=1 no_timer_check noreplace-smp page_alloc.shuffle=1 rcupdate.rcu_expedited=1 rootfstype=ext4,btrfs,xfs,f> + + type: Automatic + title: Reboot Into Firmware Interface + id: auto-reboot-to-firmware-setup + source: /sys/firmware/efi/efivars/LoaderEntries-4a67b082-0a4c-41cf-b6c7-440b29bb8c4f + +Set default kernel to boot +************************** + +You can check the id from the latest command: + +.. code-block:: bash + + bootctl list |grep id: |cut -f 2 -d ":" + id: Clear-linux-preempt_rt-6.1.38-105.conf + id: Clear-linux-native-6.9.1-1436.conf + id: Clear-linux-native-6.8.10-1434.conf + id: auto-reboot-to-firmware-setup + + +Set the kernel + +.. code-block:: bash + + sudo bootctl set-default ID + +For example to set 6.9.1 entry: + +.. code-block:: bash + + sudo bootctl set-default Clear-linux-native-6.9.1-1436.conf + +Just reboot + +.. code-block:: bash + + sudo systemctl reboot + +You will boot with the kernel set before. From a732aab497f9a95d9f8122d213522af4879fcef3 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Castillo?= Date: Tue, 28 May 2024 23:35:38 +0200 Subject: [PATCH 2/2] Moved the page section --- .../guides/kernel/change_kernel_boot.rst | 0 1 file changed, 0 insertions(+), 0 deletions(-) rename change_kernel_boot.rst => source/guides/kernel/change_kernel_boot.rst (100%) diff --git a/change_kernel_boot.rst b/source/guides/kernel/change_kernel_boot.rst similarity index 100% rename from change_kernel_boot.rst rename to source/guides/kernel/change_kernel_boot.rst