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Use Postfix to get email from your Fedora system

Communication is key. Your computer might be trying to tell you something important. But if your mail transport agent (MTA) isn’t properly configured, you might not be getting the notifications. Postfix is a MTA that’s easy to configure and known for a strong security record. Follow these steps to ensure that email notifications sent from local services will get routed to your internet email account through the Postfix MTA. Install packages Use dnf to install the required packages (you configured sudo, right?): $ sudo -i # dnf install...

fedoramagazine.org

Managing RAID arrays with mdadm

Mdadm stands for Multiple Disk and Device Administration. It is a command line tool that can be used to manage software RAID arrays on your Linux PC. This article outlines the basics you need to get started with it. The following five commands allow you to make use of mdadm’s most basic features: Create a RAID array: # mdadm --create /dev/md/test --homehost=any --metadata=1.0 --level=1 --raid-devices=2 /dev/sda1 /dev/sdb1 Assemble (and start) a RAID array: # mdadm --assemble /dev/md/test /dev/sda1 /dev/sdb1 Stop a RAID array: # mdadm --stop...

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Netboot a Fedora Live CD

Live CDs are useful for many tasks such as: installing the operating system to a hard driverepairing a boot loader or performing other rescue-mode operationsproviding a consistent and minimal environment for web browsing…and much more. As an alternative to using DVDs and USB drives to store your Live CD images, you can upload them to an iSCSI server where they will be less likely to get lost or damaged. This guide shows you how to load your Live CD images onto an iSCSI server and access them with the iPXE boot loader. Download a Live CD...