- Lab
-
Libraries: If you want this lab, consider one of these libraries.
- Cloud
- Security

Display and Restore File and Directory Security Contexts with SELinux
This hands-on lab allows you to practice troubleshooting and resolving SELinux filesystem context issues. Being able to discover and resolve SELinux context issues is a key concept when working with SELinux. At the end of this activity, you will understand how to view and apply new security contexts to files and directories.

Lab Info
Table of Contents
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Challenge
Check the Directory and Index File Security Context
Compare the SELinux security context of
/var/www/html
to the/var/www/html/web-api
directory to determine if the context of the new directory and its contents need to be adjusted:- View the context of the
html
directory by runningls -Z /var/www
. - View the context of the
web-api
directory by runningls -Z /var/www/html/web-api
.
- View the context of the
-
Challenge
Restore the Appropriate Security Context to the API Directory
- Restore the context of the files and directories in the
web /var/www/html
directory by runningsudo restorecon -R /var/www/html/web-api
. - View the updated context by running
ls -Z /var/www/html/web-api
. - Verify that the update is working by running
curl localhost/web-api/index.html
.
- Restore the context of the files and directories in the
About the author
Real skill practice before real-world application
Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.
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On average, you retain 75% more of your learning if you take time to practice. Hands-on labs set you up for success to make those skills stick.