Unknown Kernel (CentOS Linux 3.10.0-957.1.3.el7.x86_64)
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  1. Don
  2. Monday, 10 December 2018
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I installed KernelCare on a cPanel/WHM CentOS 7 server and afterwards cPanel indicated that updates were available and indicated I should run yum -y update. I did that and it ran clean. After doing the yum -y update all attempts to run kcare commands now return: Unknown Kernel (CentOS Linux 3.10.0-957.1.3.el7.x86_64). Any help or guidance would be appreciated.

Debug Info:
# uname -r
3.10.0-957.1.3.el7.x86_64
# kcare-uname -r
3.10.0-957.1.3.el7.x86_64
# kcarectl -i
Unknown kernel (CentOS Linux 3.10.0-957.1.3.el7.x86_64), no patches available
# kcarectl --check
Unknown kernel (CentOS Linux 3.10.0-957.1.3.el7.x86_64), no patches available
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  1. 10.12.2018 16:12:38
  2. # 1
Posts: 187
Joined: 31.01.2017
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Don,

It usually takes a few days to add a new kernel version to the list of supported by KernelCare. You can leave it as it is - KernelCare will automatically start patching it as soon as there are patches available.
  1. 14.12.2018 13:12:45
  2. # 2
Don Accepted Answer
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Sorry to trouble you again, but is KernelCare really not active any more, or is the Google Patch notification Group/Forum not the place anymore to follow patch status, that is to track what Kernels are supported by KernelCare. The 'KernelCare patches for CentOS and RHEL 7' Group has not be updated in 6 months. My installation is still receiving "Unknown Kernel" and I wanted to track/follow what is currently being supported.
  1. 14.12.2018 16:12:57
  2. # 3
Luis Flores Accepted Answer
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Hello, We updated our kernel to 3.10.0-957.1.3.el7.x86_64 and when rebooting our server showed "grub>" prompt in the proxmox console.

We had to troubleshoot our boot partition and the server booted but we don't know what will happen if we reboot it again for any reason.

We are now receiving the "Unknown Kernel" advice.

Any help is appreciated.

Thanks!
  1. 15.12.2018 17:12:55
  2. # 4
Micheal Accepted Answer
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This kernel was released on November 29 and the kernelcare patch is still not done.

The cloudlinux team is working very slowly. :( :( :(
  1. 16.12.2018 21:12:48
  2. # 5
WorkinOnit Accepted Answer
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I am writing to confirm the same issue :

Cron <[email protected]> /usr/bin/kcarectl --auto-update

Unknown Kernel (CentOS Linux 3.10.0-957.1.3.el7.x86_64)

Lots of errors being reported.

Could we expect your team to keep the patch up to date, since you are offering this service, hopefully you can keep it up.

Thank you :-)
  1. 17.12.2018 13:12:34
  2. # 6
Hos Accepted Answer
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Hello, please solve this disturbing issue asap. Managing several servers, too many email notifications.

Unknown Kernel (CentOS Linux 3.10.0-957.1.3.el7.x86_64)

Thank you.
  1. 19.12.2018 15:12:43
  2. # 7
Clem Dunstall Accepted Answer
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Don,

It usually takes a few days to add a new kernel version to the list of supported by KernelCare. You can leave it as it is - KernelCare will automatically start patching it as soon as there are patches available.


This is highly inaccurate, its typically 4-6 weeks before KernelCare release a patch because it gets very low priority..
  1. 19.12.2018 16:12:19
  2. # 8
MIchael Accepted Answer
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Maybe you can take into consideration that a new kernel will likely take some time to receive patches / updates / bugfixes . This is natural as the damn thing is new ;-)
So relax and just ignore this emails for a while.
  1. 19.12.2018 22:12:02
  2. # 9
Clem Dunstall Accepted Answer
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Maybe you can take into consideration that a new kernel will likely take some time to receive patches / updates / bugfixes . This is natural as the damn thing is new ;-)
So relax and just ignore this emails for a while.


True, which is why 4-6 weeks is a more realistic figure than "a few days" . This way it sets the right expectation so you can relax and go fishing a bit more.
  1. 20.12.2018 08:12:56
  2. # 10
Irina Semenova Accepted Answer
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Sorry for the inconvenience. This kernel is going to become live within today.
  1. 25.12.2018 10:12:19
  2. # 11
Alexandre Accepted Answer
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Hi,

This is to inform everyone that KC now supports CentOS Linux 3.10.0-957.1.3.el7.x86_64 kernel.
  1. 07.03.2019 13:03:17
  2. # 12
bman Accepted Answer
i just canceled kernelcare , paying for months and always getting Unknown kernel
wast of money
  1. 07.03.2019 14:03:40
  2. # 13
Posts: 2
Joined: 04.03.2019
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i just canceled kernelcare , paying for months and always getting Unknown kernel
wast of money


Hi, bman,

Sad to hear you're leaving us.

Usually, the "Unknown Kernel" message appears in two cases:
1. The kernel you're using is not on the list of supported kernels,
2. The kernel you're using is the new one and does not require patching

If you were facing the issue with CentOS Linux 3.10.0-957.1.3.el7.x86_64 - this kernel was added to supported kernels a while ago. Anyway, we can take a closer look at your case if you kindly submit a support ticket here.
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