Docker: execute a program that requires tty -

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i have utility program depends on terminal characteristics. want execute inside docker container. (the program not interactive program such. old program written way).

docker run -i -t or docker exec -i -t should open tty container. here happens..

user@1755e1f3f735:~/region/primer/cobol_v> kickstop [error] unable run without terminal device (tty) user@1755e1f3f735:~/region/primer/cobol_v> tty not tty

when -t option docker command (run/exec) should give 'tty', tty commands returns 'not tty'. puzzling.

i experienced on opensuse , fedora23 hosts , images, if matters. used 'guake', mate (gnome?) terminal emulators this, same results.

is there solution this? or design , have replace/rewrite utility?

i ran same issue, , found "docker exec -ti container script /dev/null" solved problem.

after login container above command, can use screen normally.

reference: https://github.com/docker/docker/issues/8755


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