What is Systemctl? An In-Depth Overview

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What is Systemctl? 

The systemctl command is a utility which is responsible for examining and controlling the systemd system and service manager. It is a collection of system management libraries, utilities and daemons which function as a successor to the System V init daemon. The new systemctl commands have proven quite useful in managing a servers services. It provides detailed information about specific systemd services, and others that have server-wide utilization.

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How to Set Up A Firewall Using Iptables on Ubuntu 16.04

Reading Time: 5 minutesThis guide will walk you through the steps for setting up a firewall using iptables in an Ubuntu VPS server. We’ll show you some common commands for manipulating the firewall, and teach you how to create your own rules.

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Enabling Let’s Encrypt for AutoSSL on WHM based Servers

Reading Time: 2 minutesWith the recent release of cPanel & WHM version 58 there has been the addition of an AutoSSL feature, this tool can be used to automatically provide Domain Validated SSL’s for domains on your WHM & cPanel servers.

Initially this feature was released with support provided for only cPanel (powered by Comodo) based SSL certificates, with the plans to support more providers as things progressed. As of now, cPanel & WHM servers running version 58.0.17, and above, can now also use Let’s Encrypt as an SSL provider.

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Managing a Linux Server with Systemd

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What is systemd?

Systemd is the System Management Daemon, which provides a standard for controlling the Linux boot process. It is named per the UNIX convention of adding ‘d’ to the end of daemon’s name. Systemd is intended as a drop-in replacement for the very common init start-up scripts for the boot process (which is also referred to as System V or SysV).

Though there is some debate regarding the benefits of systemd, the advantages do include: Service Reporting (failed? suspended? error?), Process Monitoring (kills user processes at logout), and Parallel Processes (multiple services are able to start at same time, improving boot times).

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