====== firebird 3 под ubuntu ======
===== Установка libtommath-dev =====

Перед установкой может потребоваться:
  sudo apt-get install libtommath1 libtommath-dev
  sudo ln -s /usr/lib/x86_64-linux-gnu/libtommath.so.1.0.1 /usr/lib/x86_64-linux-gnu/libtommath.so.0

===== Управление сервисом =====
  
  sudo systemctl stop firebird-superserver.service
  sudo systemctl start firebird-superserver.service
  sudo systemctl restart firebird-superserver.service
  sudo systemctl status firebird-superserver.service

===== fbsvcmgr =====

  sudo ./fbsvcmgr service_mgr -user sysdba -password masterkey -info_server_version -info_implementation
  sudo ./fbsvcmgr service_mgr -user sysdba -password masterkey -action_display_user


===== systemd =====

  systemd-analyze
  systemd-analyze blame
  systemd-analyze critical-chain
  systemctl list-unit-files
  
===== ICU lib not found error =====

  sudo apt-get install libicu52