# Unable to correct problems, you have held broken packages(mariadb) ``` $ apt install mariadb-server=1:10.2.31+maria~bionic ``` 遇到錯誤訊息 > The following packages have unmet dependencies: > mariadb-server : Depends: mariadb-server-10.2 (>= 1:10.2.31+maria~bionic) but it is not going to be installed > E: Unable to correct problems, you have held broken packages. 這時候改用 ``` $ aptitude install mariadb-server=1:10.2.31+maria~bionic ``` 解決!!