Posts Tagged “less”

I recently updated a development server running CentOS and ran into various minor issues including one regarding postfix being compiled with MySQL support. The development server runs ISPConfig for various virtual hosts and after upgrading all the packages on the server which included Postfix I noticed errors in the maillog. Below I describe what the error was in more detail as well as how it can easily be resolved.

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The easiest way to check CPU speed and CPU model on Linux is to issue the below command from the CLI.

more /proc/cpuinfo | egrep 'model name|cpu MHz'

This will return results like the below that will list CPU model name on one line followed by CPU speed on the next line.

[root@server ~]# less /proc/cpuinfo | egrep 'model name|cpu MHz'
model name : Dual-Core AMD Opteron(tm) Processor 2212
cpu MHz : 2010.302
model name : Dual-Core AMD Opteron(tm) Processor 2212
cpu MHz : 2010.302
model name : Dual-Core AMD Opteron(tm) Processor 2212
cpu MHz : 2010.302
model name : Dual-Core AMD Opteron(tm) Processor 2212
cpu MHz : 2010.302

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