Monthly Archive: February 2014

Feb 27

Unknown OS type hvm

unknown os type

After fresh installation of  Virtual Machine Manager, when I created a new VM it displayed this error                           This was because all qemu packages were not installed So I installed all qemu packages [root]#zypper install qemu*                           (in opensuse) you can use [root]#yum install qemu*                                (in fedora or centos) It should have installed all …

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Feb 12

Active ports on your system

To check active ports on a system we use netstat command.   To check active TCP ports, command is : $netstat -tnlp   To check active UDP ports, command is : $netstat -unlp   Further if you want to check kernel’s routing table, command is : $netstat -r   To view active interfaces, command is …

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Feb 07

How to check whether your system supports Virtualization or Not


To check whether your system supports virtualization or not, open the file /proc/cpuinfo under flag section check if following flags are present : svm       :        Applicable for AMD processor vmx       :       Applicable for Intel processor If any of these flags is present it means your processor supports virtualization .    

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