SYS: Create and edit text files.

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Note: This is an RHCSA 7 exam objective.

Presentation

Vi is not the easiest text editor available in the Linux environment but it’s got two major advantages:

  • it is always available,
  • it doesn’t need a graphical interface.

Additional Resources

Free resources on the subject don’t lack on the Internet. This resource about Vi provides a good start.
In addition, TheUrbanPenguin provides a good introduction to Vi (15min) and Vim (8min).

Even though you think Vi is from another century, it will save your life more than once.

VI-Cheat-Sheet-700x561

Source: Professional-linux.net website.

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RHCSA7: Task of the day

Allowed time: 5 minutes.
Create a user account named "tony" with password “redhat” and belonging to a secondary group called “team”.

RHCE7: Task of the day

Allowed time: 8 minutes.
Set up an iScsi target based on a fileio backstore of 100MB called /opt/shareddata with CHAP authentication (username=usr/password=pwd), xfs filesystem and standard firewall configuration.

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