$schemamarkup = get_post_meta(get_the_ID(), 'schemamarkup', true); if(!empty($schemamarkup)) { echo $schemamarkup; }

Step-by-step – Nagios 4 Installation in Kali

February 9, 2020 | By the+gnu+linux+evangelist.

User Setup

  1. 3. Setting Up User

    After to Add nagios User and Groups
    Create the nagios User:

    sudo useradd nagios

    Make the nagios Group:

    sudo groupadd nagios

    Add the nagios user to the group:

    sudo /usr/sbin/usermod -G nagios nagios

    Create a new nagcmd group for allowing external commands to be submitted through the web interface:

    sudo groupadd nagcmd

    Add both the nagios & apache users to the Group:

    sudo usermod -a -G nagcmd nagios
    sudo usermod -a -G nagcmd www-data