Grubby show default kernel. cfg 파일을 영구적으로 변경할 수 있습니다.
Grubby show default kernel First Take a backup of /etc/default/grub before making any changes. The steps showcased in this blog can be followed for any version of Oracle Linux 7. 7 doesn't seem to be properly installed. Configuring kernel-rt is a one-time procedure, which grubby 툴을 사용하여 에서 정보를 읽고 grub. grubby是一个用于更新和显示有关各种体系结构特定的引导程序的配置文件信息的命令行工具。 它主要设计用于安装新内核并需要查找有关当前引导环境的信息的脚本，同时也可以对启动内核的各项信息参数进行 こちらの記事の通り、これまでは再起動をするたびにモニターに繋いで手動でカーネルを選択していた。どうやらデフォルトの変更をできるみたいだったので、やってみた。参考にしたのはこちら。カーネルの確認使用可能なカーネルの確認。確認すべきは名前とindex grubby --default-kernel 2、查看当前已安装的所有内核信息 grubby --info=ALL 在所有内核列表中，index的表示系统内核序号，kernel表示系统默认启动内核的名称，title与系统启动时系统启动选择菜单名称一致（可修改为自己想显示的名称） 3、使用命令设置默认启动内核 文章浏览阅读3k次。grubby是一个用于配置GRUB、LILO和ELILO等引导加载程序的Linux命令行工具，常用于更新内核和配置信息。本文详细介绍了grubby的语法、选项及其在不同平台上的应用，包括添加、删除内核条目和设置引导参数。同时提供了多个实用示例，帮助用户更好地理解和使用grubby。 (base) [root@NewOSBC8 ~]# grubby --help Usage: grubby [OPTION] --add-kernel=kernel-path add an entry for the specified kernel --args=args default arguments for the new kernel or new arguments for kernel being updated) --bad-image-okay don't sanity check images in boot entries (for testing only) -c, --config-file=path path to grub config file to update ("-" for On a newly installed system, the stock RHEL kernel is set as the default boot kernel and is used as the default kernel on the next boot and subsequent system updates. You can specify multiple Change to a different default kernel by running the grubby --set-default command with the specific kernel that you choose to run after rebooting. sudo grub2-editenv #/boot/grub2/grubenv still does not work grubby can be used to list the default kernel that will be used when a system is booting up, and to also set the default kernel. cfg and it will add save_default=true into the /boot/grub2/grubenv file for you. List installed kernel versions. --elilo Use an elilo style configuration file. Grubby는 lilo, elilo, zipl, yaboot 및 grub 부트로더에 대한 정보를 표시하고 업데이트하는 데 사용되는 명령줄 도구입니다. x86_64. 32-696. How to Upgrade from RHEL 7 to RHEL 8; Syntax: grubby --set-default-index=[kernel-entry-index] grubby --set 3. cfg file which is a symbolic link. el9_0. 8. In this article, we’ll show you how to set old kernel version as default on RHEL 8 and RHEL 9 systems using grubby utility. Sign in to Cloud. Solving issues in linux often requires working with the terminal and understanding how linux manages permissions and privileges. Syntax: grubby --set-default-index=[kernel-entry-index] grubby --set-default-index=1 Rebooting the system. 使用yum或者dnf可以直接安装grubby工具[root@ It enables, for example, changing GRUB2 menu entries to specify what arguments to pass to a kernel on system start and changing the default kernel. $ sudo grubby --default-kernel /boot/vmlinuz-4. el8_4. Linux distros and MacOS all shared a common “POSIX” command-line interface. The grubby --default-kernel and grubby --default-index and grubby --default-title commands can be used to display the default kernel that will be used on boot. You can follow one of two options to set the default kernel in GRUB 2, by using the grubby command, choose either of the following: Use the grubby --set-default command to set the Copy the full path of the kernel you want to set as default. Below we are changing the default kernel to RHCK (5. 4) Change the default kernel to RHCK kernel using grubby command and order number corresponding to RHCK kernel from above step (2). Follow asked Apr 2, 2022 at 17:35. Change the default kernel, in my case I want to set it to vmlinuz-3. fc38. So you can use below syntax: Here I have used --copy-default to copy all the kernel arguments from our default kernel to this new kernel entry. 通常 Linux 系统会默认引导系统进入最新安装的内核，并保留最新的 3 个 Linux 内核引导条目。 假设你已经执行了 yum update，并且新的内核作为更新的一部分已经安装了。这时，由于这个新内核与应用程序不兼容，它会阻止 grubby --default-kernel 2、查看当前已安装的所有内核信息 grubby --info=ALL. fc35. 1-1. 追加情報 Hello team, I was playing around with the IOS several major versions back and must have messed up my default GRUB definitions. See the grubby(8) manual page for more information. How do I change the default kernel in GRUB that is loaded at startup? Environment. reboot Linux; goldeneye. el7. I followed some suggestions in Latest kernel not booted - #6 by guzzijason, tried various combinations of grub2-switch-to-blscfg, grub2-mkconfig, grubby --set-default, etc, and no matter what I do when grub comes up the selected menu item is a 4. 5. 1. GRUBBY COMMAND 활용 grubby 라는 명령을 통해 GRUB2 부트로더를 손쉽게 수정 할 수 있습니다. grubby –help [root@fastvm-centos-7-6-21 ~]# grubby --help Usage: grubby [OPTION] --add-kernel=kernel-path add an entry for the specified kernel --add-multiboot=STRING add an entry for the specified multiboot kernel --args=args default Changing the default kernel of a Red Hat Enterprise Linux system when multiple kernel versions installed. Check currently loaded kernel index using grubby tool (actually, we could find the same from 1st and 2nd steps, but let’s do one more time): # grubby --default-index 0. html 作者：Rasool Cool; 译者：onionstalgia Change to a different default kernel by running the grubby --set-default command with the specific kernel that you choose to run after rebooting. Assuming you have built your own kernel which is installed on the server and you wish to add a custom entry for this new kernel. 这个索引值也就是对应前面 --default-kernel 的 /boot/vmlinuz-5. Use the --update-kernel option to update a kenel entry in combination with --args to add new arguments or --remove-args to remove existing arguments. If the default kernel version and the running kernel version aren't identical, the underlying reasons might be one of the following: By default grubby searches the list of currently mounted filesystems to determine this. Refer to the documentation for more information. All previous kernel updates have been very smooth for me, this is a F31 fresh install on a Lenovo C940. When trying to change default kernel using grubby tool, no errors are reported, however, the server boots into the wrong kernel. Use the grubby command with the --set-default option to set the default kernel. grubby是一个用于更新和显示有关各种体系结构特定的引导程序的配置文件信息的命令行工具。 它主要设计用于安装新内核并需要查找有关当前引导环境的信息的脚本，同时也可以对启动内核的各项信息参数进行修改。 本文 I’m going crazy trying to figure out why my Rocky 8 system is ignoring my choice of default kernel. 案例一：内核升级后的切换. 4 (Ootpa) There are two methods you can use to make the persistent change to the default kernel. Steps to change default kernel version in RHEL/CentOS 8 要使用 title 参数列出引导条目，请执行 # grubby --info=ALL | grep title 命令。 仅为下次引导设置默认内核。 执行以下命令，仅在下次使用 grub2-reboot 命令重新引导时设置默认内核： You can also add the line GRUB_SAVEDEFAULT=true into the file /etc/default/grub then run grub2-mkconfig -o /boot/grub2/grub. Change Kernel Command-Line Boot Parameters. Begin by listing the default Kernel as below. # sudo grub2-set-default 1 Ihr habt ein Kernel Update eingespielt bekommen, aber der Default-Kernel ist immer noch der „alte“ Kernel? Willkommen in der digitalen Steinzeit der Grubby Bugs. To check which kernel is already configured as the current default kernel to use at boot, run the grubby --default-kernel command. In Oracle Linux 7 and higher, if grubby is invoked manually without specifying a GRUB2 configuration file, it defaults to searching for /etc/grub2. 0-193-genergic的index为“8”（从上到 Hey! A couple of days ago kernel 5. Remove existing arguments from the entry for the default kernel: sudo grubby --update-kernel=DEFAULT --remove-args {{quiet}} List all kernel menu entries: sudo grubby --info=ALL. RHEL 6 / Centos 6. cfg, which is a symbolic link to the /boot/grub2/grub. Can anyone tell me how I can correct this? Right now, I’m running 6. Cause grubby ツールは、grub. Currently I am still running kernel 5. cfg, which is a symbolic link to the /boot/grub2 The grubby command has additional boot arguments for configuring kernel and boot operations. 일반적으로 grub. Cause. 19. Change kernel command line boot parameters. To additionally check which kernel is currently running on your system, use the uname -r command. el8. . cfg grub2-mkconfig -o /etc/grub2 I updated F40 Workstation Gnome last night and the new 6. Multiple arguments can be システムに複数のカーネル バージョンをインストールした後、grub 設定を変更する必要がある場合があります。 In this article, we’ll show you how to set old kernel version as default on RHEL 8 and RHEL 9 systems using grubby utility. Applies to: Linux OS - Version Oracle Linux 6. 18. 在所有内核列表中，index的表示系统内核序号，kernel表示系统默认启动内核的名称，title与系统启动时系统启动选择菜单名称一致（可修改为自己 26. 8-200. How to set default boot kernel? The boot configuration when using GRUB 2 is in the /boot/grub2/grub. 当系统经过内核升级后，通常需要重启以激活新内核。 You can either select a different kernel everytime you boot the system, or change the configured default kernel. elrepo. grubby List all installed kernels To get 3 オプション一覧. Levent Ozbek GRUB stands for GRand Unified Bootloader. If you have multiple These options should not be used in any script intended to update the bootloader configuration. cfg file. Before I test it on my selves I try to find out if somebody already made experience with it. Register: Don't have a My Oracle Support account? Click to get started! In this Document. cfg ファイルから情報を読み取ったり、そのファイルに永続的な変更を行ったりするために使用できます。 たとえば、GRUB 2 メニューエントリーを変更してシステム起動時にカーネルに渡す引数を指定したり、デフォルトのカーネルを変更したりできます。 grubby是一个用于更新和显示有关各种体系结构特定的引导程序的配置文件信息的命令行工具。 它主要设计用于安装新内核并需要查找有关当前引导环境的信息的脚本，同时也可以对启动内核的各项信息参数进行修改。 本文 grubby是一个用于更新和显示有关各种体系结构特定的引导程序的配置文件信息的命令行工具。它主要设计用于安装新内核并需要查找有关当前引导环境的信息的脚本，同时也可以对启动内核的各项信息参数进行修改。本文主要介绍如何在centos8中使用grubby工具来对系统的内核启动参数和启动顺序进行 grubby是一个用于更新和显示有关各种体系结构特定的引导程序的配置文件信息的命令行工具。 它主要设计用于安装新内核并需要查找有关当前引导环境的信息的脚本，同时也可以对启动内核的各项信息参数进行修改。 文章浏览阅读7. [root@server ~]# grubby --help Usage: grubby [OPTION] --add-kernel=kernel-path add an entry for the specified kernel --add-multiboot=STRING add an entry for the specified multiboot kernel --args=args default arguments for the new kernel or new arguments for kernel being updated --mbargs=STRING default arguments for the new multiboot kernel or new You can also find out the index number of the default kernel. 0 The running kernel and the kernel configured as the default kernel that GRUB 2 selects to boot into after a timeout period for the boot menu can differ. Environment. 0-1160. x86_64). For instance, the following will list the meny entry details for the 3rd entry: grubby --info 2 Get a virtual cloud desktop with the Linux distro that you want in less than five minutes with Shells! With over 10 pre-installed distros to choose from, the worry-free installation life is here! Whether you are a digital nomad or just looking for flexibility, Shells can put your Linux machine on the device that you want to use. 现在我们可以查看系统中有那些内核，并且找出其对应grub的索引值 Change default kernel using grubby Tool. Locked post. 7. If this option is given grubby acts as if the specified filesystem was the The default kernel is the kernel that GRUB2 boots into after a timeout period is reached when displaying the GRUB2 boot menu. Después de instalar varias versiones del Kernel en su sistema, es posible que se encuentre en una situación en la que necesite modificar sus configuraciones de GRUB. Wie man einen Default Kernel setzen kann Per Mail erreichte mich eine Anfrage zu Grubby, das ist das kleine Tool, das sich um die Grub Booteinträge kümmert. 7 released. The latest kernel in my installation is 4. このチュートリアルでは、grubbyコマンドの使用を説明せず、grubbyが対話する基盤となるコンポーネントについて説明します。Oracle Linuxのほとんどのカーネル管理要件では、grubbyツールで十分です。 Grub2 Oracle Linux 8のブート・ローダー. conf. Red Hat Enterprise Linux 4; Red Hat Enterprise Linux 5; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8 Hence now we have a special designated tool called grubby to change default kernel versions . Grubby를 사용하여 다음을 수행할 수 This article is meant to show-case only one of the ways to do it, which I find easy to do. How to modify the GRUB2 default entry to boot a different Kernel version. 0-70. Linux OS - Version Oracle Linux 8. Check current Configuration. --default-kernel Display the full path to the current default kernel and exit. 2 with Unbreakable Enterprise Kernel [5. Multiple arguments can be Restarted PC, Now The Latest Kernel Is Now On Top Of The Grub Menu Now Load The Latest Kernel By Default. Procedure. 0-59-generic (menuentry 9) to be the default boot kernel. There are a few excellent references but I would like to know how dnf treats the default Index when I do the following changes. Home Fedora User Docs System Administration Guide Kernel, Module and Driver Configuration Working with the GRUB 2 Boot Loader en-US rawhide Edit this Page Working with the GRUB 2 Boot Loader Introduction to GRUB 2 GRUB 2 reads its configuration from the /boot/grub2/grub. 4. 11 for now, until 6. As part of our Server Management Services, we assist our customers with several DirectAdmin queries. 13. 42. 9. 在本文中，我们将向您展示如何使用 grubby 工具将旧的内核版本设置为 RHEL 8 和 RHEL 9 系统上的默认版本。. --default-index Display the numeric index of the current default boot entry and exit. The change takes effect immediately, so all that is left to do is reboot your system. This article provides the steps to set the default kernel with the grubby command. You can also find out the index number of the The grubby tool can be used to read information from and make persistent changes to, the grub. cfg configurations on Linux using grubby. On Red Hat Based Systems you can use grubby for this kind of configurations. Overview on grubby. Topics we will cover hide. We’re gonna leverage grubby. Per the guide above I did scott@fedora:~$ It enables, for example, changing GRUB2 menu entries to specify what arguments to pass to a kernel on system start and changing the default kernel. Access the server's command line as the 'root' user via SSH or "Terminal" in WHM. 0-372. 2. To force a system to always use a The grubby command has additional boot arguments for configuring kernel and boot operations. While booting if you don't see Grub boot loader at all, # Delete a parameter for all kernels $ grubby --update-kernel = ALL --remove-args = intel_iommu = on # Add a certain parameter to all kernels $ grubby --update-kernel = ALL --args = intel_iommu = on # Add boot parameters to a particular kernel $ grubby --update-kernel = /boot/vmlinuz-5. Will the older default kernel still be available after an update or do I have two newer kernels? I do use installonly_limit=2 in my /etc/dnf/dnf. el8_5. grubby --set-default /boot/vmlinuz-4. sudo grubby --update-kernel=INDEX_NUMBER --default-kernel 替换 INDEX_NUMBER 为实际的内核编号。 应用案例和最佳实践. Goal: Solution:. Modify grub. By default grubby searches the list of currently mounted filesystems to determine this. 0-193-generic的版本内核启动1、查看所有内核，获取index cat /boot/grub/grub. List the installed kernels. It enables, for example, changing GRUB2 menu entries to specify grubby --default-kernel. See the default kernel - grubby --default-kernel example - /boot/vmlinuz-2. 10. 6 since 5. 17] and later Linux x86-64 Symptoms. el6. I let grub Refer to the man grubby manual page for more information regarding additional boot arguments for configuring kernel and boot operations. Once that is done then the last kernel booted will remain the default until the user selects a different one for booting on the grub menu. Access your cloud dashboard, manage orders, and more. 1) Last updated on NOVEMBER 08, 2022. 11-100. 0-64-generic (menuentry 0) but I want 4. /boot has initram and vmlinuz files for all kernels but grub menu still only shows the one kernel and nothing else. In this case RHCK kernel boot order is 1. 5 gets released in which I’ll test it again to see if it fixes my bluetooth speaker issues or not. x86_64 and the commands I need to run My understanding is that grubby exists to make changing boot parameters a little more robust, but from what I can tell a user still needs to manually edit /etc/default/grub to change GRUB_DEFAULT= from 0 to saved, then run the following: grub2-mkconfig -o /etc/grub2. cfg 文件。 Grubby 可用于： 修改内核启动项 grubby --default-kernel. Since then, I have had to do a “grubby --update-kernel” to add the correct options after any type of kernel upgrade. find /boot -name 'vmlinuz*' Copy the grubby - Man Page. How to Upgrade from RHEL 7 to RHEL 8; What is grubby. You need to run grubby with root privileges, e. Verify what is the kernel version in use - uname -r example - 2. Its function is to take over from BIOS at boot time, load itself, load the Linux kernel into memory, and then turn over execution to the kernel. cfg file on traditional BIOS- Grubby default kernel is the later kernel 513. Now Here The Catch: Everytime Nobara 37 Updates To A New (Latest) Kernel It Now Doesn't Show The Newly Updated Kernel At All In The Grub Menu I Then Have To Rerun Grub-customizer Again & Press Save I tried to change my grub file to select kernel 5. In order to change the default kernel to load you can set kernel boot priority in /etc/default/grub file. Sign In The kernel booted by default (using GRUB) is different from the one you would like to be automatically selected on startup. Once the kernel takes over, GRUB has done its job and it is no longer needed. cfg 파일을 영구적으로 변경할 수 있습니다. Solution. 6. grubbyコマンドのオプションは以下のとおりです。 [root@server ~]# grubby --help Usage: grubby [OPTION] --add-kernel=kernel-path add an entry for the specified kernel --args=args default grubby是一个用于更新和显示有关各种体系结构特定的引导程序的配置文件信息的命令行工具。它主要设计用于安装新内核并需要查找有关当前引导环境的信息的脚本，同时也可以对启动内核的各项信息参数进行修改。本文主要介绍如何在centos8中使用grubby工具来对系统的内核启动参数和启动顺序进行 grubby will copy as much information (such as kernel arguments and root device) as possible from the current default kernel. This will show the default kernel. If this option is given grubby acts as if the specified filesystem was the filesystem containing the kernel --default-kernel Display the full path to the current default kernel and exit. 0 and later Linux x86-64 Symptoms. Method 1: Using the kernel path: Oracle Linux: grubby --default-kernel Command Does Not Show Default Kernel (Doc ID 2907727. You can change this configuration and set kernel-rt as the default kernel to boot with and also make this configuration persistent across the system updates. cn/article-16147-1. , sudo grubby . It worked fine on all the previous kernels, so I followed this guide (Fedora Docs) to set the default to 6. 16 kernel rather 但是 grubby 只能修改已经存在的 kernel 的配置，如果内核升级，追加的 kernel option 就没了. 0 and later. Today, let us discuss the steps followed by our Support techs to change kernel version. Examples (TL;DR) Add kernel boot arguments to all kernel menu entries: sudo grubby --update-kernel=ALL --args 'quiet console=ttyS0' Remove existing arguments from the entry for the default kernel: sudo grubby --update-kernel=DEFAULT --remove-args quiet List all kernel menu entries: sudo grubby - 在系统上安装多个内核版本后，您可能会发现自己需要修改 GRUB 配置。 Grubby 是一个命令行工具，用于显示和更新 lilo、elilo、zipl、yaboot 和 grub 引导加载程序的信息。 它通常用于更改 grub. x86_64 and it’s index number is 1: # grubby --set-default 1. grubby info ALL shows all 3 kernels. g. 5. Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Subscriber exclusive content. However, to see all installed kernels, use: grubby --info=ALL Setting the Default Kernel. 来源： https:// linux. x86_64 --args = intel_iommu = on On a newly installed system, the stock RHEL kernel is set as the default boot kernel and is used as the default kernel on the next boot and subsequent system updates. 21, which is the 2nd one in the list: GRUB_DEFAULT=1 GRUB_TIMEOUT_STYLE=hidden GRUB_TIMEOUT=0 GRUB_DISTRIBUTOR=`lsb_release -i -s 2> How can manually set my default kernel? ubuntu; kernel; grub; Share. cfg 파일을 변경하는 데 사용됩니다. DNF believes everything to be fine. cfg |grep menuentry可以看出4. py Linux; pw-play Linux; cacaclock Linux; xdg-desktop-menu Linux; qm-resume Linux; ltrace Linux; networkctl Linux; grubby を使用して、インストール後のスクリプトで個々のカーネルのカーネルパラメーターを追加または削除します。 # grubby --update-kernel < PATH_TO_KERNEL > --args "< NEW_ARGUMENTS >" たとえば、選択したカーネルに noapic パラメーターを追加します。 With Oracle Linux offering customers a choice of two kernels, this technical blog describes how Oracle Linux customers can change the default kernel of an Oracle Linux system in a straightforward manner. Find out the kernel title: $ sudo grubby --default-title Red Hat Enterprise Linux (4. 4. I ran grub-set-default 9 and then grub-update and rebooted. 예를 들어 GRUB 2 메뉴 항목을 변경하여 시스템 시작 시 커널에 전달할 인수를 지정하고 기본 커널을 변경할 수 있습니다. 0-305. I been at this for awhile so any help is appreciated. The grubby command doesn't show the default kernel, while executing below command . To add your own custom kernel arguments See more By listing the default kernel, you can find the file name and the index number of the default kernel to make permanent changes to the GRUB boot loader. 使用 grubby 工具对 GRUB 2 菜单进行持久更改 | Red Hat Documentation Use the grubby command to manage the GRUB 2 configuration on the system, including selecting the default boot kernel or configuring extra kernel command line boot parameters to be used at boot. Current default kernel: Changes. In der Anfrage ging [] Want to know steps to change default kernel version in RHEL/CentOS 8? We can help you. It should be the one you are running right now. 4 kernel breaks one of my bluetooth speakers. 14. You can follow one of two options to set the default kernel in GRUB 2, by using the grubby command, choose either of the following: This is not working for me. Configuring kernel-rt is a one-time procedure, which 使用grubby修改内核启动参数grubby 的全称是 "GRUB editor"，它是一个工具，用于在基于 GRUB 或 GRUB 2 引导加载程序的系统上修改引导配置，而无需直接编辑配置文件。1. You can also refer to it by the /etc/grub2. Use the --update-kernel option to update a kernel entry in combination with --args to add new arguments or --remove-args to remove existing arguments. First confirm your current default kernel. 3. 6k次，点赞5次，收藏23次。本文介绍了如何在 CentOS8 系统中利用 grubby 工具进行内核启动参数的修改和启动顺序的调整。grubby 是一个用于更新和显示引导程序配置的命令行工具，可用于安装新内核后的脚本操作。内容包括安装 grubby、查看当前默认启动内核、查看所有内核、设置新的 Working with the GRUB 2 Boot Loader :: Fedora Docs. $ sudo grubby --default-index 1. Get more In order to view the default menu entry, you can use: grubby --info DEFAULT In order to view all the menu entries, you can use: grubby --info ALL The latter also gives us the corresponding index for each of the entries that can be useful. A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more. Free Cloud Platform Trial ＜Linuxシステム管理標準教科書とは＞ 「Linuxシステム管理標準教科書」（システム管理教科書）は2015年4月にリリースされた標準教科書シリーズの1冊です。 Linuxシステムの運用管理という観点で書かれており、システム管理者という業務において知っておかなければならない基本的なトピックが grubby是一个用于更新和显示有关各种体系结构特定的引导程序的配置文件信息的命令行工具。它主要设计用于安装新内核并需要查找有关当前引导环境的信息的脚本，同时也可以对启动内核的各项信息参数进行修改。本文主要介绍如何在centos8中使用grubby工具来对系统的内核启动参数和启动顺序进行 以Ubuntu 16为例：期望以4. command line tool for configuring grub and zipl. Improve this question. Linux Commands. No changes. Sign In: To view full details, sign in with your My Oracle Support account. 0-348. 0 Check currently loaded kernel index using grubby tool (actually, we could find the same from 1st and 2nd steps, but let’s do one more time): # grubby --default-index 0 4. Currently active (loaded) kernel. 시스템에 여러 커널 버전을 설치한 후 GRUB 구성을 수정해야 하는 상황에 처할 수 있습니다. x86_64) 8. The kernel path and initrd path will never be copied. crcjkgpzmfhlhohkrbfsyvcvhbqlxgojqlqbsnrssciyxthnltkdxytkjdhjibhwpomqmkotfycpuw