How to Change default runlevel in CentOS 7 / RHEL 7
In CentOS 7 and RHEL 7, the systemd process replaces the init process for starting services at boot time and also for changing the runlevels. It uses “targets” instead of…
How to Disable IPv6 on Redhat / CentOS 6 / CentOS 7
This howto will show you how to disable IPv6 on RHEL 6/7, CentOS 6, and CentOS7. IPv6 is enabled by default. In this article, I summarize 3 configuration which needs…