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Can I Intentionally Disable PCIe Lanes? Or lower PCIe Width?

I am doing some testing on my server and want to lower the width to my PCIe device (or its PCIe bridge). In case it is relevant, I figured out how to lower my speed based on the PCI Spec with ...
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0answers
94 views

Map PCIe slot number (or BDF) to device number or vice versa

Is there any way to know the drive number from BDF or slot number of a PCIe or vice versa? Suppose I have four PCIe drives attached to my system. And I know their BDF's, I want to know each of the ...
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2answers
1k views

How to detect ethernet uplink speed on CentOS 6 OpenVZ VPS

I recently purchased a VPS which was advertised as a 100Mbps uplink but the promotion promised a free upgrade to a 1Gbps uplink. I'm trying to find out if I received the upgrade with various methods ...
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4answers
166 views

List all devices of system [closed]

In my understanding linux can list only those devices which it can understand, i.e. for which the drivers have been installed. I think lspci is the command for that. But how can one figure out if ...
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1answer
570 views

Taking BusID output from lspci and storing in a variable

I am trying to get the BusID's of each video card stored in a server and putting them in a variable each to be used for an input to a simple find and replace perl script. How would I go about getting ...
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6answers
5k views

I want to inventory the hardware of my Linux systems using only ssh on the client end

They are a mix of Red Hat and CentOS 5.x, I'd like to have something on one host that can check basics like cpu/mem/disk hardware, Model, HW RAID controllers, etc would be nice. I have key based ssh ...