If you are using Linux Distro (Ubuntu in my case) and when you try to run VirtualBox, you might get the following error : VirtualBox can’t operate in VMX root mode. Please disable the KVM kernel extension, recompile your kernel and reboot (VERR_VMX_IN_VMX_ROOT_MODE). or something like VT-x is being used by another hypervisor (VERR_VMX_IN_VMX_ROOT_MODE).
Recently, I moved some of my virtual machines to new place. By doing that, I figured out that my Centos linux server, was unable to connect to internet and was not getting any ip address. Therefore, when I did ifconfig command, the interface name was changed from eth1 to eth0. In this post, I will […]
This topic is about how to change/reset root password. No, this post will not able to reveal a existing root password. And of course, like all human being, it arrives sometimes that we always forget something somehow, somewhere….but when it comes to root password /user password in Linux, yes it is possible to reset it […]