No sound in lenovo yoga 2 except when connected to HDMI
I recently got a Lenovo Yoga 2 with windows 8 (now upgraded to windows 10), and apparently sound doesn't work; not through speakers, not through headphones, but only through HDMI. I have looked all over the inte et, tried all kinds of fixes, uninstalled, reinstalled, and updated drivers, tried other...
bash - What does {} means?
I want to delete files, which have size = 0. So I tried: find ./ -size 0 |xargs rm But it has a problem with files, which names begin with space. I found this: find ./ -size 0 -exec rm -i {} ; It works. I think my way with xargs is too sophisticated for this. What does {} ; means? Could you explain ...
How to recover microsoft account?
i have forgotten my microsoft account name and password. How can recover my account? i tried to recover my microsoft account by gmail account and phone number which were used when i created my microsoft account but authority inform me that old password is needed. please give me a perfect solution. L...
Enforced group policy object not applying on Windows 10
We have two screen lock policies in the domain controllers GPO editor. 1 applies to 'authenticated users' so it will affect all users on the domain, as intended. It is not enforced. It sets the screen lock to 15 minutes. All working fine. 2 applies to specific users, i'e the sales team, via security...
ffmpeg mp3 to mp4 with image compatible with iphone
I need to convert an mp3 to mp4 with image using ffmpeg from my OSX command line. I already installed last version of ffmpeg (3.0.2), and tried the following command as described here ./ffmpeg -loop 1 -i test.jpg -i test.mp3 -c:a copy -c:v libx264 -shortest test.mp4 but the result mp4 file is not co...
KVM/Virtualbox Virtualization with no physical network
I recently tried KVM as virtualization platform. I also use VirtualBox occasionally. In every instance of deploying guest OSes, I always do one of these two: 1) set up network as NAT, guest not needed to be visible outside the virtualized environment. 2) set up network as bridged, guest needed to be...
Some advise about locky virus?
If they've really been encrypted, you personally can't do anything to recover the encrypted data. Unless you can somehow recover the key from the RAM (which is impossible for the average person, probably even impossible for your average techie), you're pretty much out of luck. Let's block ads! (Why?...
Map HostName To File On Apache
I have done this a million times on Windows, but never on Apache/Ubuntu. I have my portforwarding in the router set-up and I have my host name assigned. But when I type the hostname in Chrome I get a message that shows The page isn't working. The page didn't send any data If from within my network I...
Linux: Visualize Ping by changing Screen color
I'm looking for away to easily show (so no need to read any text) students if a repeating ping is successful or not. Years ago I had a tool on Windows changing its window color from red to green when pings where successful (and back to red) if pings failed. Beyond the necessity that it should run un...
Open the start menu using Powershell
Yes, it is possible using a little VB. Copy this code into Notepad, and save as startmenu.vbs. [Make sure it doesn't get saved as startmenu.vbs.txt] set wShell=wscript.createobject("wscript.shell") wShell.sendkeys "^{ESC}" Set WshShell = Nothing Then, you can just run it with cscript C:somefilepaths...
Using another program through Windows Command Prompt
I know that I can launch programs from the Command Prompt, but is there any way to enter commands after opening that program? For example, if I open DOSBox from cmd, how would I enter a command in DOSBox from cmd? I have tried, but I got no solution. Let's block ads! (Why?)
Creating an Excel timetable
I have created course timetables for groups of students. i.e. a timetable on a sheet for each day, with the students' names across the top. What I would like to do now is to combine the five days into a weekly timetable for each student. i.e search the heading for a student's name and then collect h...