When does class start/end?
Class hours may vary, please reach out to contact@ascendientlearning.com if you have any questions.
Red Hat System Administration - SELinux
This course will present the commands and methods needed to setup and control SELinux in a RHEL system. The course will also use a problem solving approach in the lab exercises to formulate solutions...
Read MoreOverview
This course will present the commands and methods needed to setup and control SELinux in a RHEL system. The course will also use a problem solving approach in the lab exercises to formulate solutions that would arise in day-to-day systems administration involving SELinux access.
- Systems: Red Hat Enterprise Linux versions 8 / 9 (all update levels)
Skills Gained
On completion of this course, a systems administrator should be able to control SELinux operating modes; understand users, roles and types; configure SELinux for applications and services; write custom SELinux policies; and solve access denial situations.
Prerequisites
It is assumed that the participant has successfully completed the Red Hat System Administration I and II (RH 124/134) courses, or has successfully completed the Red Hat RapidTrack (RH 199) course, or has equivalent system administration experience on a RHEL 8 or RHEL 9 server.
Course Details
SELinux Concepts
- definitions
- DAC (discretionary access control)
- MAC (mandatory access control)
- contexts
- policies
- benefits of SELinux (in enforcing mode)
- implementation in RHEL
SELinux Components
- context label
- user, role, type, security level
- contexts
- users, files, ports
- policy rules and levels
- sepolicy
- AVC (access vector cache)
- packages and tools
- states and modes
- enforcing, permissive, disabled
- setenforce, getenforce, sestatus
- /etc/selinux/config (file)
SELinux Users
- confined and unconfined users
- roles and access rights
- confined non-administrator roles
- confined administrator roles
- adding confined and unconfined mapped users
- semanage
Configuring SELinux for Applications and Services
- customizing SELinux policies for applications
- customizing SELinux policies for services
- using SELinux booleans to adjust policy
- viewing (getsebool)
- changing (temporary / permanent) (setsebool)
SELinux Access Operations
- changing context labels
- restoring context labels
- finding the correct SELinux type
- relabeling
- files,directories, hierarchies
- requested at boot time
- policies
- creating a policy from an access denial
- audit2allow
- adding a created policy
- policies
- creating a custom policy for a specific application
- adding a custom policy
- port mapping
Schedule
FAQ
Does the course schedule include a Lunchbreak?
Classes typically include a 1-hour lunch break around midday. However, the exact break times and duration can vary depending on the specific class. Your instructor will provide detailed information at the start of the course.
What languages are used to deliver training?
Most courses are conducted in English, unless otherwise specified. Some courses will have the word "FRENCH" marked in red beside the scheduled date(s) indicating the language of instruction.
What does GTR stand for?
GTR stands for Guaranteed to Run; if you see a course with this status, it means this event is confirmed to run. View our GTR page to see our full list of Guaranteed to Run courses.
How do I find an Ascendient Learning training location?
We have training locations across the United States and Canada - View a complete list of classroom training locations.
Which delivery formats are available?
At Ascendient Learning, we offer training that is Instructor-Led, Online, Virtual, and Self-Paced.
Does Ascendient Learning deliver group training?
Yes, we provide training for groups, individuals and private on sites. View our group training page for more information.
What does vendor-authorized training mean?
As a vendor-authorized training partner, we offer a curriculum that our partners have vetted. We use the same course materials and facilitate the same labs as our vendor-delivered training. These courses are considered the gold standard and, as such, are priced accordingly.
Is the training too basic, or will you go deep into technology?
It depends on your requirements, your role in your company, and your depth of knowledge. The good news about many of our learning paths, you can start from the fundamentals to highly specialized training.
How up-to-date are your courses and support materials?
We continuously work with our vendors to evaluate and refresh course material to reflect the latest training courses and best practices.
Are your instructors seasoned trainers who have deep knowledge of the training topic?
Ascendient Learning instructors have an average of 27 years of practical IT experience and have also served as consultants for an average of 15 years. To stay current, instructors spend at least 25 percent of their time learning new, emerging technologies and courses.
Do you provide hands-on training and exercises in an actual lab environment?
Lab access is dependent on the vendor and the type of training you sign up for. However, many of our top vendors will provide lab access to students to test and practice. The course description will specify lab access.
Will you customize the training for our company’s specific needs and goals?
We will work with you to identify training needs and areas of growth. We offer a variety of training methods, such as private group training, on-site of your choice, and virtually. We provide courses and certifications that are aligned with your business goals.
How do I get started with certification?
Getting started on a certification pathway depends on your goals and the vendor you choose to get certified in. Many vendors offer entry-level IT certification to advanced IT certification that can boost your career. To get access to certification vouchers and discounts, please contact info@ascendientlearning.com.
Will I get access to content after I complete a course?
You will get access to the PDF of course books and guides, but access to the recording and slides will depend on the vendor and type of training you receive.
How do I request a W9 for Ascendient Learning?
View our filing status and how to request a W9.
Reviews
It is very good and very simple instructions. almost to much hand holding.
Good Course. We covered a lot of material in a short amount of time. This course had useful labs that built upon each other.
this class was informative, made me think about certifying for the suse manager cert.
Fantastic and great training. Tons of hands-on labs to really make you understand the material being thought.
Class was easy to sign up for and ExitCertified provided very good communication
