September 2020

Connecting to a secure Impala via NiFi with TLS and Kerberos (and Hive2)

There’s a few different ways this could be done. I’ll demonstrate one possible way, using ExecuteSQL to connect to Impala via the JDBC driver.

Moving the data dir of MariaDB on CentOS7/RHEL7

You should have root access to the CentOS host and a new target directory ready for the MariaDB data. For this guide, our new target directory is /data/database. First, stop MariaDB. systemctl stop mariadb Now, copy your existing database directory to the new location. By default, it is /var/lib/mysql. If it’s not there, check the… Continue reading Moving the data dir of MariaDB on CentOS7/RHEL7