Coding Spirit

Ubuntu 22.04 is using Yaru theme by default, which provided a left-handed cursor already. There is no need to install extra tools/themes to make cursor left-handed.

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cd /usr/share/icons/Yaru/cursors
sudo mv left_ptr left_ptr_origin
sudo mv right_ptr left_ptr

After rebooting, left-handed cursor will be applied. To switch primary button on mice:

Settings -> Mouse & Touchpad -> General -> Primary Button, Select Right

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