Install xfonts-cronyx-koi8r-misc by entering the following commands in the terminal:
sudo apt update sudo apt install xfonts-cronyx-koi8r-misc
Description:
Character-cell KOI8-R encoded Cyrillic fonts for X (Cronyx collection)
This package provides a standard set of character-cell low-resolution Cyrillic fonts. These are KOI8-R fonts and are suitable for Russian. In most cases it is desirable to have the X font server (xfs) and/or an X server installed to make the fonts available to X clients. . The upstream source of this package is the package Xcyr of Serge Winitzki. Xcyr is a descendant of the package Xrus-2.3 of Andrey Chernov.
Version: 2.3.8-8
Section: universe/x11