I am from Ukraine. When I open Jenkins in the browser I see all the UI in Russian. I am running Jenkins on Windows.
However - there is no Russian in Windows co
Maybe you can try this $ sudo languagesetup
$ sudo languagesetup
and choose 1) Use English for the main language to change it back.
1) Use English for the main language
Reference, https://support.apple.com/en-us/HT202036