problem with dependency and installation mariadb-server in ubuntu server 18.04LTS code example
Example 1: problem with dependency and installation mariadb-server in ubuntu server 18.04LTS
sudo apt-get install software-properties-common
Example 2: problem with dependency and installation mariadb-server in ubuntu server 18.04LTS
sudo apt-key adv --recv-keys --keyserver hkp: //keyserver.ubuntu.com: 80 0xF1656F24C74CD1D8