# 10. Безопасность бизнес систем и баз данных Обновим информацию о пакетах ```bash= sudo apt update && sudo apt upgrade ``` ![](https://i.imgur.com/oubPlTg.png) ![](https://i.imgur.com/v2YdIUi.png) ![](https://i.imgur.com/XmQwfSx.png) Установим пакеты для подключения репозитория clickhouse ```bash= sudo apt install -y apt-transport-https ca-certificates dirmngr ``` ![](https://i.imgur.com/Dic11TZ.png) Добавим ключ ```bash= sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 8919F6BD2B48D754 ``` ![](https://i.imgur.com/VwkKtE0.png) Довабим репозиторий ```bash= echo "deb https://packages.clickhouse.com/deb stable main" | sudo tee /etc/apt/sources.list.d/clickhouse.list ``` ![](https://i.imgur.com/hWIKQ16.png) Обновим информацию о пакетах ```bash= sudo apt update ``` ![](https://i.imgur.com/tmwFcRB.png) ![](https://i.imgur.com/S3huQzQ.png) Установим клиент и сервер clickhouse ```bash= sudo apt install clickhouse-server clickhouse-client ``` ![](https://i.imgur.com/lME5pHG.png) ![](https://i.imgur.com/9eWaAMw.png) Добавим сервер в автозагрузку ```bash= sudo systemctl enable clickhouse-server ``` ![](https://i.imgur.com/PrtyAwh.png) Запустим сервер ```bash= sudo systemclt start clickhouse-server ``` ![](https://i.imgur.com/b65nynm.png) Проверим статус ```bash= sudo systemctl status clickhouse-server ``` ![](https://i.imgur.com/R3mNgxb.png) Войдем ```bash= clickhouse-client --password ``` ![](https://i.imgur.com/zMGLIkt.png) Выполним запрос к таблице логирования system.query_log ```bash= SELECT * FROM system.query_log WHERE type = 'QueryFinish' ORDER BY query_start_time DESC LIMIT 1 FORMAT Vertical; ``` ![](https://i.imgur.com/kDnUZqS.png) ![](https://i.imgur.com/gcbEA6C.png) ![](https://i.imgur.com/TGBs12M.png) Увы, работа не завершена.