init

systemd – System and service manager in Linux

By Karunesh Johri • Updated: February 20, 2023

1.0 Introduction systemd is the newer init system used in most Linux distributions since 2015. The first widely used init system was the System V init process, sysvinit. Ubuntu introduced the Upstart init system with Ubuntu 6.10 in 2006. Ubuntu fully migrated to systemd with Ubuntu 15.04 in 2015. Indeed, we can see that /sbin/init …

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Tags: init, Linux, service manager, sysadmin, system, System administration, systemctl, systemd, target units

Starting Linux services with init scripts

By Karunesh Johri • Updated: February 20, 2023

A Linux system provides many services to the users, like secure shell access or the print spooler service. These services need to be started and stopped at appropriate times. The start and stop of these services is controlled by init scripts. An init script for a service specifies when that service should be started and …

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Tags: event, init, invoke-rc.d, levels, Linux, run, scripts, service, start, stop, sysv-rc-conf, upstart