Discard the list of locked packages, and retry the kernel upgrade:ģ.1.To receive email notification when this article is updated, click Subscribe on the right side of the page.Check if there are any packages locked to their installed versions:.Try to update the kernel using yum and notice that the plugin versionlock is loaded:.This allows you to protect packages from being updated by newer versions. Yum-versionlock is a Yum plugin that takes a set of name/versions for packages and excludes all other versions of those packages. I was able to migrate the kernel from version 5.4 to 5.10.Įxecute the following steps before attempting to install the new kernel version: $ sudo yum versionlock list # Find if kernel packages are locked there Note: Upgrading the Amazon Linux 2 kernel from 5.10.x to Amazon Linux Extras 5.15.x follows the same steps that are detailed earlier. Log in and then confirm that the kernel is activated: ~]$ uname -r After verifying that the correct kernel is installed, reboot the instance to activate the latest kernel: ~]$ uname ~]$ sudo rebootħ. Linux kernels are now identified by a set of four. The current version numbering system began with the kernel 1.0, which was released in March 1994. This was followed the next month by the 0.02 kernel. The first, which was released by Torvalds in September 1991, was designated 0.01. Kernel-5.10.86_64 <- kernel 5.10.x has been installedĦ. The initial Linux kernels had a very simple numbering system. There are a great many reasons why kernel code should be merged into the official. The rest of this section covers the scope of the kernel development process and the kinds of frustrations that developers and their employers can encounter there. Use the amazon-linux-extras tool to install kernel 5.10: ~]$ sudo amazon-linux-extras install kernel-5.10 -y Introduction The Linux Kernel documentation. "Refusing because kernel-5.10 could cause an invalid combination."Ĥ. Note: If you don't deactivate kernel 5.4, then you receive the following error when trying to install kernel 5.10: Use the amazon-linux-extras tool to deactivate kernel 5.4: ~]$ sudo amazon-linux-extras disable kernel-5.4 Use the amazon-linux-extras tool to verify the available kernel versions: ~]$ sudo amazon-linux-extras |grep kernelģ. Log in to the instance again, and then verify that the new kernel is active: ~]$ uname -rĥ.4.86_64 Upgrade the Amazon Linux 2 (Amazon Linux Extras) kernel from 5.4.x to 5.10.xġ. To activate the latest kernel version, reboot the instance: ~]$ sudo rebootĨ. The following example shows that the old kernel is still active: ~]$ uname -rħ. Refer to the Red Hat Enterprise Linux Life Cycle Policy for details on the life cycle of Red Hat Enterprise Linux releases. Red Hat does not generally disclose future release schedules. Verify the installed kernels from the RPM database: ~]$ rpm -qa |grep kernel The tables below list the major and minor Red Hat Enterprise Linux updates, their release dates, and the kernel versions that shipped with them. Note the line that shows that the state has changed from available to enabled: 49 kernel-5.4=latest enabled ĥ. After the installation completes, verify that the state has changed in amazon-linux-extras: ~]$ sudo amazon-linux-extras |grep kernel Use the amazon-linux-extras tool to install the kernel 5.4: sudo amazon-linux-extras install kernel-5.4 -yĤ. This output lists the three kernel options available from the Amazon Linux Extra repository:ģ. Verify what kernel versions are offered by the amazon-linux-extras repository: ~]$ sudo amazon-linux-extras |grep kernel In the following example, the current kernel version running on the system is 4.14.268-205.500. Review the current active kernel version. Resolution Upgrade the Amazon Linux 2 default kernel from 4.14.x to Amazon Linux Extras kernel 5.4.xġ. Note: You can upgrade directly from Amazon Linux 2 kernel version 4.14.x to 5.10.x without having to upgrade to 5.4.x first. Or, if you have kernel version 5.4.x installed, you can upgrade to version 5.10.x. You can upgrade the default kernel to an Amazon Linux Extras kernel version 5.4.x. Kali Linux Release History Kali 2017.3 - 21st November, 2017 - The third 2017 Kali Rolling release. The default kernel installed on Amazon Linux 2 instances is 4.14.x.
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