Locking Down Linux User Accounts, Filesystems, and Services - ITE 001


Locking Down Linux User Accounts, Filesystems, and Services - ITE 001

Course Description

In this course, you'll get hands-on experience configuring and managing security on Linux machines. You'll first review basic security controls, and then dive deep into user management and security the Linux filesystem and services. The course focuses on Red Hat Enterprise Linux (RHEL), Ubuntu, Fedora, and CentOS, but many of the concepts apply to Linux in general.


You should have 6 to 12 months of experience supporting Linux servers and clients.

Curriculum Hours


Course Objectives

  1. Identify threats to the Linux operating system and other open source applications.
  2. Configure the basic settings to secure a Linux platform.
  3. Explain user account management and the principle of least privilege to protect and secure the system and its data.
  4. Examine the flexibility of various options with file permissions and filesystem settings and how granular control isolates data access.
  5. Describe security solutions to mitigate vulnerabilities in Linux services and the appropriate steps to mitigate the risks.

Potential Jobs/Job Roles

Completion of this course contributes toward qualifications required for: Computer/systems security specialist, forensic analyst/specialist, information security analyst/data security analyst (entry level), network security specialist

Cost: $299

Registering for this course

Current Charter Oak State College Students

Please call the Registrar's Office at (860) 515-3702 to register for this course.

Visiting Students (not currently enrolled at Charter Oak State College)

  • Request an account in our ACORN Student Portal to be able to register for courses
    • For the question "In what division are you planning to take courses?", choose "Non-Credit"
  • Once you have been issued an account, log in to ACORN, and visit the Course Search
  • Choose "2014-2015 Academic Year - Fall" from the "Term" drop-down
  • Choose "Information Technology" from the "Department" drop-down
  • Press the "Search" button
  • Add the course using the checkbox next to the course name, or click the course code, then click "Add" from there.
  • You will then be able to pay for the courses


  • All courses in the Cybersecurity Workforce Education Program are non-credit courses.
  • All courses are self-guided, with a 15-week access period to the course material.
  • Course takers will take a final exam as part of the last unit of the course. A grade of 70 or higher is required to earn a course certificate indicating successful completion of the course.
  • Course labs have minimum software and system requirements.
  • These courses are not a test preparation program, but they do cover the domain areas consistent with cybersecurity.