Sometime yum update just breaks everything. We experienced this, and had to go backup to previous versions. In RHEL6 and RHEL7 you can run this command: yum history list all which will give you a list of transactions ID’s. Now you just need to figure out how far you want to go back in the

I had a Ubuntu version 16 running in a virtualbox, and wanted copy text from host to the virtual machine. But it didn’t work. It turns out you need to install the Guest Additions CD image. There is an option from the Devices -> Insert guest additions CD image, but I got then this error

Sometimes you just want to make smaller changes to your theme, it might be a logo that should be different, or a background color. Some themes doesn’t allow you to do this under Appearance – Customize, only in their PRO version. You could do it by altering the themes files, but if you are runnuing