RHCSA Exam Objective |Boot systems into different targets manually

By | October 9, 2018

Exam Objective Covered

This article explains  how to Boot systems into different targets manually. This Page also contains links for Free Video Training for RHCSA Exam Objective .

 

Note: This is RHCSA 7 Exam Objective as mentioned on Redhat Website.

Check complete list of  Exam Objective covered by educatorhome.com 

In this tutorial you will learn:

  • How to  Get current default target
  • How to Set new default target
  • How to Switch to graphical interface previously run level 5
  • How to Switch to Command Line interface previously run level 3
  • How to Move to single user mode/ maintenance level with mounted local file system
  • How to Switch to single user mode/ maintenance level with only /root mounted local file system
  • How To boot into different targets from grub menu, append to the kernel line like this
  • Video Explanation

 

Explanation 

Get current default target

#systemctl get-default

Set new default target

#systemctl set-default graphical.target
#systemctl set-default multi-user.target

Switch to graphical interface previously run level 5

#systemctl isolate graphical.target

Switch to Command Line interface previously run level 3

#systemctl isolate multi-user.target

Move to single user mode/ maintenance level with mounted local file system

#systemctl rescue

Switch to single user mode/ maintenance level with only /root mounted local file system

#systemctl emergency

To boot into different targets from grub menu, append to the kernel line like this

systemd.unit=graphical.target

or

systemd.unit=multi-user.target

press ctrl + x after modifications

 

Video Explanation

Please check this Youtube link to Video explanation  [ Video contains no Audio ]

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