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In the past I've used a handy utility on Windows called "CrossHair" - it brings up a crosshair over the whole screen, centered on the cursor location -see a screenshot here - http://www.cohjs.org/CrossHair.jpg.html I downloaded it years ago, and today it's only available on archive.org.

I installed it on Wine, and it works partially but very clunky - only when the configuration window is open + active, roving version only when you continuously hold down the hotkey, and it flickers.

Anybody familiar with something like this that'd work in Lubuntu? Nothing from a search on Synaptic or the web. This page https://wiki.gnome.org/Projects/GnomeShell/Magnification#Implemented_Features appears to describe something promising but I'm relatively new to Lubuntu, and I have not found Gnomemag in Synaptic or in my installation.

Appreciate any suggestions.

chriss
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  • I wonder if you could just switch your default cursor in your cursor theme for a 1px cross that's as wide and high as double your screen? – pbhj Mar 31 '18 at 00:46
  • <- doesn't appear to be possible, max X11 cursor size is 256px according to GIMP. – pbhj Mar 31 '18 at 02:08
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    Related: https://askubuntu.com/questions/1092774/temporarily-switch-to-a-full-screen-hairline-cursor/1095983?noredirect=1#comment1805453_1095983 – WinEunuuchs2Unix Nov 27 '18 at 00:22
  • Thanks WinEu. In that related question, this post https://askubuntu.com/a/1095133/618054 suggests screenruler - that's in the repo + available thru Synaptic, and is a real good solution for my needs. If you want to post it as an answer I'll be glad to accept it. Thx. – chriss Nov 28 '18 at 02:51

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