I'm trying to unmount a backup filesystem that I don't need anymore. When I run the "umount" command, system says: umount: /backup: target is bu...

A number of websites that I use have really bad stylesheets for the print media, but their screen stylesheets are quite good. Is there any way to tell my ...

In Windows 7 how can I disable the function that activates the menu bar when Alt is pressed? Are there some registry values to modify this behaviour?

Using Excel 2010, I want a single formula to apply to all cells in a column. I see documentation for a feature called "Calculated Columns". That is exactl...

I have 2 monitors, unfortunately one is smaller than the other. I want to use the 1920x1200 monitor for a fullscreen RDP session (this is where I do my ma...

Sometimes, when my computer is frozen and just about unusable, it seems that the cause is some heavy background processing. Sometimes, I can catch who is ...

I need to set up vms in Virtual box in a following way: All virtual machines (Ubuntu) must communicate with host (macOS). All virtual machines must commun...

I am using Samsung Odyssey LC27G7xT connected to a Linux machine via HDMI and to a Mac via DisplayPort. Very occasionally, the monitor would show a black ...

I have been shown that a FreeBSD system can easily be accessed in single user mode without the root password. Using the passwd command will allow anyone w...

2 weeks ago I built a PC with new configurations, but today I decided to change the fan speed for my pc case. I have 4 fans on my casing, 3 on the front a...