Categories
SysOps

How to resize live tmpfs filesystem

Resize live tmpfs filesystem.

Categories
SysOps

How to align simple MariaDB output

Use column utility to align simple MariaDB output like variable list.

Categories
SysOps

How to relay all mail to external account

Relay all mail to an external account which can come in handy in your lab environment.

Categories
SysOps

How to log HDFS operations

Perform HDFS audit logging.

Categories
SysOps

How to create Yarn nodes whitelist

Create Yarn nodes whitelist.

Categories
SysOps

How to save namespace and perform checkpoint

Save namespace on namenode and perform checkpoint on secondary namenode.

Categories
SysOps

How to inspect Hadoop configuration using command-line

Inspect Hadoop configuration using command-line.

Categories
SysOps

How to mount HDFS as a local file system

Mount HDFS as a local file system.