Open Source Evangelist
An IT professional with more than 18 years of experience in Information Technology industry. He is in the fields of IT Project Management, IT Infrastructure Planning/Designing/Implementation, and Sr. Linux /*Nix System Administrator. He has implemented various short & long term Information Technology Projects in various Asian & European countries.
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.
According to Canonical a parent organization behind Ubuntu, LivePatch on Kernel will help to resolve unwanted rebooting of system after patching.
The Canonical Livepatch Service enables you apply critical kernel security fixes to your Ubuntu 16.04 LTS system without rebooting. Available to all Ubuntu Advantage customers, the Canonical Livepatch Service reduces planned or unplanned downtime while maintaining compliance and security. Continue reading →
Before we start to configure ICINGA2 we need to ensure that LAMP is installed on our machine. SELINUX Setup view /etc/selinux/config sed -i ‘s/SELINUX=enforcing/SELINUX=permissive/g’ /etc/selinux/config reboot