If you have a domain name configured and want to ensure that emails are accepted for a wider range of domains, you can enter the following: localhost,, ,,. When prompted for destinations for which to accept mail, you can leave the field blank to only accept emails directed to the system mail name.Provide the username of your primary user on the machine.It can be localhost if you are configuring Postfix for local emails only. This may be either your machine’s fully qualified domain name (FQDN) or base domain name. Enter the domain name to be used for your email addresses.Select Internet Site from the options that appear. If you are not or if you need to re-enter the information, you can run the following command after the installation has finished: sudo dpkg-reconfigure postfix You should be prompted for information about your mail server configuration. Under this configuration, emails are only delivered to users on the same machine as Nagios. This guide also provides instructions for configuring local emails, which are not subject to the above restriction. Replace throughout this guide with your machine’s domain name, and replace with your machine’s fully qualified domain name (FQDN). Alternatively, the official Nagios Installation Guide provides steps for installing Nagios from source code on a wide range of Linux distributions.
Debian use systemd monitor postfix install#
Follow the steps in the Install Nagios on Debian 10 and Ubuntu 20.04 guide. You may also wish to set the timezone, configure your hostname, create a limited user account, and harden SSH access.
Debian use systemd monitor postfix update#
See our Getting Started with Linode and Creating a Compute Instance guides.įollow our Setting Up and Securing a Compute Instance guide to update your system. If you have not already done so, create a Linode account and Compute Instance. This guide provides instructions for setting up email alerts from Nagios and configuring regular status updates via Internet Relay Chat (IRC). However, you can get even more out of Nagios by setting it up to deliver alerts and notifications when you need them. Its dashboard makes it relatively easy to check in on the hosts and services running on your machine and quickly learn of any issues. Nagios, a popular tool for monitoring servers, comes with a robust web interface to help you effectively manage your server.
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