Showing all hidden files in the current directory

 

Let's say that you want to see only hidden (dot) files in a directory to edit a file you forget the name of or remove obsolete files. ls -a shows all files, including normally hidden ones, but that is often too noisy, and ls -a .* doesn’t do what you think it will.



How to find your BIOS version from Linux

If you are looking for your current BIOS version in order to upgrade it then all you need is one command.




XEN Upgrade

The Xen® hypervisor, the powerful open source industry standard for virtualization, offers a powerful, efficient, and secure feature set for virtualization of x86, x86_64, IA64, ARM, and other CPU architectures. It supports a wide range of guest operating systems including Windows®, Linux®, Solaris®, and various versions of the BSD operating systems. To run Windows you will need to have enable in your motherboard the Intel-V virtualization option. In this article we will explain briefly how to upgrade your XEN kernel to latest one from repositories. The instructions are valid only for Redhat Enterprise Server and CentOS.




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