Search found 16 matches

by timcenty
2022/09/08 17:42:34
Forum: CentOS 7 - Software Support
Topic: KVM Hypervisor - guest steal time stats on the hypervisor
Replies: 5
Views: 2271

Re: KVM Hypervisor - guest steal time stats on the hypervisor

Thanks for checking. I checked in RHEL 8.2 but don't see it.

So have to ask the patch provider I think. I will do that and see if I can get any update on that.

Thanks
by timcenty
2022/09/08 14:52:11
Forum: CentOS 7 - Software Support
Topic: KVM Hypervisor - guest steal time stats on the hypervisor
Replies: 5
Views: 2271

Re: KVM Hypervisor - guest steal time stats on the hypervisor

I don't believe the steal reported in 'mpstat' is from guests. One of the VMs on a KVM hypervisor I've has steal around 15% but the 'mpstat' on the hypervisor always show 0. As per the patch, the '/proc/pid/stat' and pidstat will show the guest steal information. The kernel version shown there is 3....
by timcenty
2022/09/08 00:16:38
Forum: CentOS 7 - Software Support
Topic: KVM Hypervisor - guest steal time stats on the hypervisor
Replies: 5
Views: 2271

KVM Hypervisor - guest steal time stats on the hypervisor

Hello,

Does anyone know the CentOS / sysstat pkg version where this patch is available at all ?

https://www.spinics.net/lists/kvm/msg116517.html

I don't see it on CentOS 7.9 with sysstat 10.1.5

Thanks
by timcenty
2020/09/01 22:03:47
Forum: CentOS 7 - General Support
Topic: Kernel update matching RHEL version?
Replies: 2
Views: 2625

Kernel update matching RHEL version?

Hello, I've CentOS 1810 installed from the ISO having kernel 3.10.0-957.el7.x86_64. I've 1810 Vault repos setup. Now I want to update the kernel to kernel 3.10.0-957.58.2.el7 which is what RH provides. But the repo provides only kernel 3.10.0-957.27.2.el7. How do I get the most recent 7.6 kernel ? T...
by timcenty
2019/10/03 00:05:41
Forum: CentOS 7 - General Support
Topic: Local user nss winbind lookup
Replies: 0
Views: 654

Local user nss winbind lookup

Hello, We have winbind client running on CentOS 7.3.1611 host connected to MS active directory. It is working normal for local and AD users. However in the logs, I see that NSS is throwing call to winbind to retrieve the groups for "root" user. I wonder why it does and what can be done to make it st...
by timcenty
2018/12/04 04:59:40
Forum: CentOS 7 - General Support
Topic: User Authentication and access control
Replies: 0
Views: 483

User Authentication and access control

Hello, I'm seeking a better solution or option for user authentication and access control. Currently we have Microsoft AD and Samba winbind on the CentOS7 clients. We only use this setup for the user authentication. The host access and sudoers is locally managed. We do have Ansible based configurati...
by timcenty
2018/08/03 03:22:25
Forum: CentOS 7 - General Support
Topic: CentOS7 KVM and CentOS6 Guest
Replies: 1
Views: 510

CentOS7 KVM and CentOS6 Guest

Hello,

Does this combination work and/or supported? Is there any compatibility matrix of the KVM host and guest OS available somewhere?

Thanks much!
by timcenty
2018/06/20 21:55:06
Forum: CentOS 6 - Software Support
Topic: virt-builder on CentOS6
Replies: 1
Views: 1441

virt-builder on CentOS6

Hello,

Does anyone if virt-builder pkg is available on CentOS6 somewhere? I couldn't find one online.

Thanks a lot!
by timcenty
2018/05/17 03:35:46
Forum: CentOS 7 - Security Support
Topic: Spectre and meltdown patches
Replies: 4
Views: 4350

Re: Spectre and meltdown patches

Thank you! It looks like the guests running CentOS will have to be patched as well.
by timcenty
2018/05/15 04:03:28
Forum: CentOS 7 - Security Support
Topic: Spectre and meltdown patches
Replies: 4
Views: 4350

Spectre and meltdown patches

Hi,

Does anyone know a link where one can find the proper patches and info for Centos 7x to mitigate the Spectre and Meltdown vulns?
Also looking for info if we want to roll back the changes.

Thanks