On 4/14/21 10:17 AM, Johnny Hughes wrote:
On 4/12/21 9:56 AM, Valeri Galtsev wrote:
On 4/12/21 8:34 AM, Johnny Hughes wrote:
On 4/11/21 11:32 AM, Kenneth Porter wrote:
I'm yum updating some CentOS 7 systems today and got this error. Two systems (so far) seem to have rebooted fine. Should I worry?
error: file /etc/ld.so.conf.d/kernel-3.10.0-1127.19.1.el7.x86_64.conf: No such file or directory
The kernel does does contain that file. In CentOS linux 7 (and 8), the file is actually blank .. well is has one comment line:
# Placeholder file, no vDSO hwcap entries used in this kernel.
If you want the error to go away, just as the root user, do:
touch /etc/ld.so.conf.d/kernel-3.10.0-1127.19.1.el7.x86_64.conf chmod 444 /etc/ld.so.conf.d/kernel-3.10.0-1127.19.1.el7.x86_64.conf
The above 2 commands should create a zero size file there and prevent the error.
As to how you got the error .. it seems there is an issue with the kernel-3.10.0-1127.19.1.el7.x86_64 install on your machine, it is at least missing that file. If you are using that kernel .. you might want to re-install it instead to make sure all the files are there. There is a newer kernel released for EL7.
As to the purpose of /etc/ld.so.conf.d/, info here:
That is the general description of ldconfig, which is transparent and clear as to what ldconfig purpose is.
What is puzzling for me (I'm sure you are answering my question): why anything related to kernel package should be needed for automatically searching for shared libraries to be loaded (when one uses anything linked to shared libraries)? What kernel package brings that can have anything to do with that??!
Thanks for insights!
Valeri
Well, that is a good question, since the kernel boot starts very early in the process. I suppose it is possible that some hardware drivers for kernel modules MIGHT need a path to external shared libraries.
All I know for sure is that the capability to have an external ldconfig path exists for the kernel (ie, it is built in). I do not ever remember this being actually populated. But the capability has existed for a long time.
And it is itching to add: for no apparent reason whatsoever.
And the puzzle still stands.
Thanks, Johnny!
Valeri
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