VLAN Creation on KVM-I

Creating a VLAN on KVM requires more raw networking knowledge in comparison to VMware world. KVM requires some Linux networking knowledge beside general understanding of computer networks. I did  not see more information on the Internet about that. To fill this gap I write this post. 🙂 Actually there are more than one methods creating […]

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Configuring PAM for crontab

Because of some strict rules such as PCI DSS compliances, we could not set password for root user to “never expire”. But, when password expires for any account in the Linux systems crontab jobs will not work. Unless, you configure the PAM to run it, or extending root password. Or you need to buy some […]

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CPU Affinity

What is CPU affinity ? Binding or unbinding  one or more processes to one or more processors called CPU affinity. It enables that process(es) runs only designated processor(s) rather than any processor. There are two types of CPU affinity, which are soft affinity and hard affinity. Soft affinity is a mechanism that keeping  process on […]

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