Categories
SysOps

How to enable memory cgroup on DietPi

Enable memory cgroup on a Raspberry Pi with DietPi an extremely lightweight Debian operating system.

Categories
SysOps

How to downgrade cgroup version on DietPi

DietPi an extremely lightweight Debian OS is using cgroup v2 on Raspberry Pi, but this causes warning when using snap packages…

Categories
SysOps

How to use tmpfs for temporary directory

How to use tmpfs for temporary directory (/tmp).

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.