Core System Services

Regardless of distribution, network configuration, and overall system design, every Linux-based system ships with some core services. These services include systemd, init, the logging daemon, cron, and others. The functions performed by these services might seem simple, but they are very fundamental. Without them, a great deal of Linux’s power and utility would be missed.

This chapter will discuss each of the core services and their configuration, in addition to another useful system service called xinetd. You’ll find that the sections covering these simple services are not terribly long, but don’t neglect this material. Take some time to get familiar with these services. Many creative solutions have been ...

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