JDO defines XML MetaData in jdo files as well as orm files. As always with XML, the metadata must match the defined DTD/XSD for that file type. This section describes the conten...
Unless the target readers are highly interested in the computational details while they read a report, you may not want to show the source code blocks in the report. For this purp...
RHEL/CentOS/Oracle/Amazon Linux SLES Ubuntu Debian For Ambari to communicate during setup with the hosts it deploys to and manages, certain ports must be open and available. T...
The Ambari host should have at least 1 GB RAM, with 500 MB free. To check available memory on any host, run: free - m If you plan to install the Ambari Metrics Service (AMS...
On each of your hosts: yum and rpm (RHEL/CentOS/Oracle/Amazon Linux) zypper and php_curl (SLES) apt (Debian/Ubuntu) scp , curl , unzip , tar , wget , and gcc* OpenSSL (v1....
JDO defines XML MetaData in jdo files as well as orm files, but also specifies that named queries can be defined in jdoquery files. As always with XML, the metadata must match t...
If you are not familiar with Markdown yet, or do not prefer writing Markdown code, RStudio v1.4 has included an experimental visual editor for Markdown documents, which feels simi...
Before deploying a cluster, you should collect the following information: The fully qualified domain name (FQDN) of each host in your system. The Ambari Cluster Install wizard s...
The Ambari host should have at least 1 GB RAM, with 500 MB free. To check available memory on any host, run: free - m If you plan to install the Ambari Metrics Service (AMS...
If you want the date on which the Rmd document is compiled to be reflected in the output report, you can add an inline R expression to the date field in YAML, and use the Sys.Dat...