Here's an overview of the recipes that we'll be covering in this chapter:
systemd
service and setting runlevelssystemd
servicessystemd
journal for persistencejournalctl
logrotate
smtp
Once your system is installed and the network is configured, it's time to start configuring everything else.
RHEL 7 comes with the systemd init
daemon, which takes care of your daemon or service housekeeping and more, replacing the old SysV (UNIX System V) init system.
Its main advantages are automatic dependency handling, parallel startup of services, and the monitoring of started services with the ability to restart crashed services.
For a good read on
systemd
and its inner workings, head over to https://n0where.net/understanding-systemd.