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As you mightve guessed, I am frustrated right now. I cant get my browsers (firefox, chrome) to create webgl context even though they are both latest version. This is not a duplicate question, i have beem trying to make this work for the past 14hrs now, tried every solutions on the internent, some instructing me to enable hardware accelleration, and change some settings in the brpowsers about:config or chrome://flag, start chrome with some disable_d3d11 additional argument. none of them work and my browser clearly states that webgl2 is supported. I can't continue this lesson. i am frustrated. I have downgraged browsers to multiple versions, reupdate, do all sort of things. Nah it wont create the webgl2 context.
However, i tried to udate my graphics driver to NVIDIA GeForce 341.74 and webgl2 starts working and i was able to create a F shape. I was really happy. I restarted the laptop and it stops working henceforth. My driver is now on the latest version. This is related to webgl2 only. Webgl1 works fine
I am expecting my laptop to console.log( The context of webgl ) instead of null.
chrome://gpu
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I am running the latest version of GNOME and Wayland on my Manjaro computer. When I connect my second monitor and extend my display, one screen flickers and the mouse icon leaves a trail, with a black background. However, I can still open applications and drag them to the second screen, which works fine. Mirror mode for two screens works great. What could be causing this issue and how can I fix it?
After trying some more things, it seems everything except the background is working, the bottom bar is working, when i press super key it will take me to menu where I can move.
When I try to screenshot the buggy monitor it just screenshots the normal background. (The background picture)
I tried updating GNOME and Wayland, also tried to update the whole system with pacman -Syu to no avail. Tried looking it up but couldn't find anything.
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Closed yesterday.
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I know it's generally considered as insecure, but it really depends on situation. I don't want to replace valid screen lock, I want to have possibility to choose based on situation. 2 sample usecases:
kids: I want to enable her to watch show, but I would like to block 'work cooperation' on any of mine projects, and I need not to have spare hw available
at secure work site: any college need not to poke at my screen, he can trivially clone/get whatever he wants, because he has same access. So I would like to lock screen against jokers who would like to write something under my name, but while helping someone I'd like progress of some process going on my screen. Ie. ANY monitoring screen, where we want to show status 24*7, but disallow unauthorized input.
I don't expect even naive hacking attempts in these usecases, so not 100% bulletproof lock is fine.
Some time ago, there was project named pyxtrlock, but it was deprecated. Is there some replacement? Or is there better way how to secure monitoring systems?
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I am running MATE desktop with 4 monitors. I maximize 4 app windows across these but my neutral neck/eye-line position is comfortable with the lower left one. Right now when I need to look at the other monitors I have to move my neck around (which I do not mind occasionally) but when I need to work on them I either move the window to my main monitor (lower left/3rd quadrant) covering up the original app that is displayed there, or just glance towards that monitor which is okay for a few minutes but strains my neck a bit if it goes beyond 5 mins or more.
the most efficient way I can think of this is to shuffle the displays around (clockwise or counterclockwise) via a key combination.
I am aware about SHIFT+Fn key+arrow keys which throws the active window around but this isn't what I'm looking for.
A bit of googling led me to xrandr commands which changes the display orientation but not (or I haven't found the command yet) the screen ordering. I'm not sure if I'm using the terms correctly thus it might be affecting the quality of the search results.
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Closed 1 year ago.
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I use Linux Mint 18.3. Recently I downloaded a game for Windows called SCP Containment Breach. I have managed to get it to run, but it crashes shortly afterwards during the loading screen and a small window pops up saying 'Memory access violation'.
I at first thought the problem was that I wasn't giving Wine enough memory, but even after using winetricks to increase the video memory Wine is permitted to access, I got the same error.
I have been trying to get it to work for ages now so any help would be greatly appreciated.
I was having that problem too on linux. I have looked everywhere on the internet to find a solution but I did not find one. So I decided to try to solve it myself.
I have found a solution!
It is simple, in the game directory there is an options.ini file.
Just open it with any text editor
Go down to where it says enable vram = 0 and change it to enable vram = 1
After that go to where it says play startup video = true and change it to play startup video = false.
It should work perfectly after that! If it did not work then just tell me and I will try to figure out another method.
You're Welcome!
-Fathergorgi
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Closed 8 years ago.
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Sorry for the rather broad question, but I'm just looking for some leads here to get started on this...
Let's say I have a CentOS machine running the X Windows System. I'd like to have the machine only display a single application (let's say Mozilla Firefox) and have that application full screen at all times. Is there a more suitable distro to do this with than CentOS?
I hope I've given enough information here about what I want to do.
Thanks!
I think you are looking for kiosk mode, you can achieve this by various kiosk based linux based iso distribution like http://sanickiosk.wikidot.com/ (Sanickiosk) and WebKiosk
(http://www.binaryemotions.com/).
Even you can customize ubuntu to run only firefox in full screen mode (http://www.instructables.com/id/Setting-Up-Ubuntu-as-a-Kiosk-Web-Appliance/?ALLSTEPS).
Thanks & Regards,
Alok Thaker
I'm really not sure if this is the proper place, but the disto for this type of use hardly matters, its really up to personal preference and how hard you find it to set up. In my limited expirence you can just add the command to launch the app, typically with a geometry option (with firefox you can specify the -width and -height flags), and then that X session will end when the program ends.