Linux Boot Process The Millionaire Guide to understand deeply As a Administrator we have to know Linux boot process which help us to troubleshoot if Linux server struck up in booting. In new version of Linux like RHEL 7 / Centos 7 / Fedora 24 Linux Boot process made very faster compare to old versions. New version of Linux includes systemd which is replacement for Init. Systemd is introduced as a first modification still it support init scripts as backward compatibility symbolic link from /sbin/init –> /usr/lib/systemd/systemd. What’s New in Systemd Service level dependency defined to make boot process faster All services / Processes will start as a control groups not by PID’s, Control groups adds an tag to all components of a service which make sure that all its components started properly Systemd as a full control to restart crashed services and its components Let’s See Linux Boot Process in detailed Linux boot process Step 1: ...