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In the past few days whenever I type rapidly a ~ symbol continuously pops up in the terminal window. To resolve the issue I tried running

xev -event keyboard

This told me that the problem is the NEXT KEY with key code 117, so I disabled it using this command:

xmodmap -e 'keycode 117='

Now the symbol ~ is not coming but still, its action which scrolls down the current page is still active.

Zanna
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user260214
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  • @pam-lx Would you share output of xev and evtest for both keys? You may upload output to https://paste.ubuntu.com and share link here. – user.dz Sep 29 '21 at 11:14

1 Answers1

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keycode 117 is pagedown key. Check if it's pressed. or try 

xmodmap -e "keycode 117=NoSymbol"
abu_bua
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blah
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  • This doesn't stop page-down from working in chrome and many other applications, so I finally had to physically remove the key from the keyboard. – user260214 Nov 01 '18 at 19:37