How To
How to check and disable transparent hugepages ( CentOS / RHEL 7 )
What are transparent huge pages? How to check turn off disable transparent hugepages in RHEL / CentOS 7 Linux for this session or permanently sysctl GRUB2?
Step-by-Step Tutorial: Guide to install systemtap in Linux
Tutorial guide to install systemtap (stap) to extract, filter and summarize data to enable diagnosis of complex performance. Systemtap Tutorial Linux
How to create custom tuned profile in Linux ( RHEL / CentOS 7 )
Get an overview of tuned profile tuned-adm and steps to create custom tuned profile in Red Hat or CentOS 7. List tuned profiles configure own tuned profile
How to install Oracle Virtual Box on Linux (CentOS / RHEL 7)
Step by step Guide to install Oracle Virtual Box on RHEL / CentOS 7 Linux. To install Oracle Virtual Box you need EPEL repo. Oracle Virtual 5.2 is out now
Steps to Install and configure Controller Node in OpenStack - Part 1
Step by step guide to install and configure controller node in openstack, configure openstack services like keystone, mariadb, rabbitmq, environment files