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How to check whether kernel version is official?

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ziv
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How to check whether kernel version is official?

#1 Post by ziv »

Hi ALL,

OS: Debian GNU/Linux 10 (buster)

Kernel Information :

uname -a: Linux debian1064 5.16.5-ibox3-pc-amd64 #5 SMP PREEMPT Thu Apr 28 12:30:41 JST 2022 x86_64 GNU/Linux

I cannot find any place to check whether this kernel version is official.
Could you tell me how to check whether this kernel version (5.16.5-ibox3-pc-amd64) is official ?
If you know, please write down the link.

Best Regards.

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canci
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Re: How to check whether kernel version is official?

#2 Post by canci »

apt search will tell you what repository the kernel came from:

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apt search linux-image-5.16
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Re: How to check whether kernel version is official?

#3 Post by Head_on_a_Stick »

Press "e" at the bootloader screen with the Debian entry highlighted and check the location given for the kernel image (on the "linux" line) then use the 'file' command on that kernel image to check the version and use 'dpkg -S /path/to/vmlinuz_image' to see which package owns that file.
deadbang

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Re: How to check whether kernel version is official?

#4 Post by canci »

BTW, I've just noticed: the mere name of the kernel should tip you off that it's not an official Debian kernel, because it has the name ibox in it (unless you compiled Debian kernel sources yourself and somehow named it that way).

Here are the official names of Debian kernels from Bullseye on my system:

The current vanilla amd64 kernel package is called:

Code: Select all

linux-image-5.10.0-14-amd64
uname -a gives this info:

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5.10.0-14-amd64 #1 SMP Debian 5.10.113-1 (2022-04-29) x86_64 GNU/Linux
Newer kernels from Backports have bpo in their name, e.g.:

Code: Select all

linux-image-5.16.0-0.bpo.4-amd64
Image Stable / Asus VivoBook X421DA / AMD Ryzen 7 3700U / Radeon Vega Mobile Gfx (Picasso) / 8 GB RAM / 512GB NVMe

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