Check_MK is an extension to the Nagios monitoring system that allows creating rule-based configuration using Python and offloading work from the Nagios core to make it scale better, allowing more systems to be monitored from a single Nagios server.
GitLab is an online Git repository manager with a wiki, issue tracking, CI and CD. It is a great way to manage git repositories on a centralized server. GitLab gives you complete control over your repositories or projects and allows you to decide whether they are public or private for free. Continue reading
Grsecurity® is an extensive security enhancement to the Linux kernel that defends against a wide range of security threats through intelligent access control, memory corruption-based exploit prevention, and a host of other system hardening that generally require no configuration. It has been actively developed and maintained for the past 15 years. Commercial support for grsecurity is available through Open Source Security, Inc.
Before we start to configure ICINGA2 we need to ensure that LAMP is installed on our machine.
sed -i 's/SELINUX=enforcing/SELINUX=permissive/g' /etc/selinux/config reboot
Red Hat Enterprise Linux 7 / CentOS 7
rpm -ivh https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
yum update Continue reading