thanks for your replay @gvde
here are two of them:
I dont have the command:
root@test-srv:~# foreman-maintain
foreman-maintain: command not found
root@test-srv:~# dpkg-query -l | grep foreman
ii foreman 3.5.1-1+ubuntu2004 amd64 Systems management web interface
ii foreman-cli 3.5.1-1+ubuntu2004 all metapackage providing hammer CLI for Foreman
ii foreman-debug 3.5.1-1+ubuntu2004 all provides support utility foreman-debug.
ii foreman-dynflow-sidekiq 3.5.1-1+ubuntu2004 all package providing dynflow sidekiq services for Foreman
ii foreman-installer 3.5.1-1+ubuntu2004 all Automated puppet-based installer for The Foreman
ii foreman-postgresql 3.5.1-1+ubuntu2004 all metapackage providing PostgreSQL dependencies for Foreman
ii foreman-proxy 3.5.1-1+ubuntu2004 all RESTful proxies for DNS, DHCP, TFTP, and Puppet
ii foreman-service 3.5.1-1+ubuntu2004 all package providing Foreman services running via puma
ii ruby-foreman-column-view 0.4.0-2 all Foreman Column View Plugin
ii ruby-foreman-deface 1.9.0-2 all Foreman Deface Plugin Dependency
ii ruby-foreman-puppet 5.0.0-1 all Foreman Puppet Plugin
ii ruby-hammer-cli-foreman 3.5.0-1+ubuntu2004 all Foreman commands for Hammer
ii ruby-hammer-cli-foreman-puppet 0.0.6-1 all Foreman Puppet plugin for Hammer CLI
After reboot my server without stopping any services. I could not login! and all my hosts, config groups, host groups was deleted! after check the log file I saw there was a postgres error, I logged in and the foreman role and foreman database was deleted! this happens to me on test & production server!