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Ubuntu Check RAM Memory Chip Speed and Specification From Within a Linux System

I want to add more RAM to my server running Ubuntu Linux. How do I find out my current RAM chip information such as its speed, type and manufacturer name within a Linux system without opening the case?
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Determine / Find ethernet connection speed

Q. How do I determine my Ethernet connection speed under Debian Linux 4.0 server?

A. You need to use ethtool command todisplay or change ethernet card settings. It is used for querying settings of an ethernet device such as
=> Link speed

=> Autonegotiation

=> Coalescing settings

=> Change the rx/tx ring parameters

=> Setup new speed and much more

Most intelligent network devices use an autonegotiation protocol to communicate what media technologies they support, and then select the
fastest mutually supported media technology.

How do I determine ethernet connection speed?

Type the following command to get speed for eth0:
$ ethtool eth0 | less
$ ethtool eth0 | grep -i speed

Linux Find The Speed Of Memory Through Software Command Prompt

How do I find out or identify the speed of my memory (DIMM) through command prompt options under Linux operating systems? How do I find out speed of the DIMM's using a shell prompt?
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