The labs
Train hands-on
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Basic Commands and Help
Learn basic RHEL commands and gain hands-on experience as you practice in the RHCSA Cyber Range.
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Login History and Information
In this lab, you will work with common commands that display information about the system’s users and groups as well as other system information, including uptime and kernel information.
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Compression and Archiving
Explore compressing and archiving tools, such as gzip, gunzip, bzip2, bunzip2 and tar, as you practice in the RHCSA Cyber Range.
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Using vi
Learn about the visual editor as you practice in the RHCSA Cyber Range.
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File Path and File Types
Learn about file paths and types as you practice in the RHCSA Cyber Range.
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File and Directory Operations
Learn about file and directory operations as you practice in the Linux Cyber Range.
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Finding and Linking Files
This lab explores different options for finding files on RHEL systems, based on various criteria, such as size and permissions, and walks through the process of creating soft and hard links.
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File and Directory Permissions
Learn about file and directory permissions as you practice in the RHCSA Cyber Range.
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Special Permissions
Learn about special permissions as you practice in the RHCSA Cyber Range.
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Access Control Lists
Learn about access control lists (ACL), including file and directory ACLs, and default ACLs, as you practice in the RHCSA Cyber Range.
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Managing Users
Practice managing user accounts on RHEL systems, including creating, deleting, and setting passwords.
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Managing Groups
Practice creating, managing, and deleting group accounts on RHEL systems in this lab.
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Bash Shell
Learn about the Bash Shell as you practice in the RHCSA Cyber Range.
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Regular Expressions & Metacharacters
Learn about regular expressions and metacharacters as you practice in the RHCSA Cyber Range.
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Working with Processes and Jobs
Practice common commands for working with processes, such as top, nice/renice, ps and kill, and manage jobs with bg and fg.
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Job Scheduling
Learn about job scheduling as you practice in the RHCSA Cyber Range.
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Managing Packages with rpm
Learn about managing packages with RPM as you practice in the RHCSA Cyber Range.
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Managing packages with DNF
In this lab, you will practice working with DNF, or Dandified yum”. It is the next generation of the yum package manager that automatically computes dependencies and makes it easier to maintain groups of machines. DNF is the Red Hat’s new default package manager.”
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Managing Application Stream Modules
In this lab, you will practice working with DNF package manager to look up and manipulate application stream (AppStream) modules.
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Understanding Linux Kernel
Learn about the Linux kernel as you practice in the RHCSA Cyber Range.
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Managing Units & System Tuning
Practice working with systemd to manage units and control groups, and explore tuned, a system tuning service available in RHEL.
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System Logging
Learn about system logging, including rsyslog, as you practice in the RHCSA Cyber Range.
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Creating and Managing Partitions
Learn about creating and managing partitions as you practice in the RHCSA Cyber Range.
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Storage Optimization with VDO
Virtual Data Optimizer (VDO) is one of the newer RHEL features, which allows conserving disk space, improving data throughput, and saving on storage costs. In this lab, we will install VDO and use it to create and remove a volume.
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Working with Logical Volume Manager
Learn about the Logical Volume Manager (LVM) as you practice in the RHCSA Cyber Range.
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Working with Stratis Filesystems
RHEL 8 introduced a new simplified storage management solution called Stratis. Stratis implements the advanced features of some of the existing storage components to deliver file systems that are encapsulated within logical volumes. In this lab, you will practice working with Stratic to create, manipulate, and destroy file systems and storage pools.
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Working with XFS
In this lab, you will practice working with X File System (XFS), including creating, mounting, and resizing XFS file systems in VDO, LVM, and Stratis logical volumes.
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Working with Swap
Learn about using swap as you practice in the RHCSA Cyber Range.
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Working with Remote File Systems and AutoFS
Practice working with Network File System (NFS) service and learn how to automatically mount NFS shares with AutoFS.
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Network information and Chrony
Learn about querying network information and about chrony as you practice in the RHCSA Cyber Range.
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Using Key Based Authentication
Learn how to generate, distribute, and use key-based authentication for SSH.
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Managing Firewall
Learn about managing firewalls, including firewalld, as you practice in the RHCSA Cyber Range.
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Understanding & managing SELinux
In this lab we’ll take a look at some of the tools for interacting with SELinux.
No software. No set up. Unlimited access.
Skip the server racks and spin up a realistic environment with one click. lnfosec Skills cyber ranges require no additional software, hardware or server space so your team can spend less time configuring environments and more time learning. Unlimited cyber range access is included in every Infosec Skills subscription so your team can skill up however they learn best.

Plans & pricing
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Infosec Skills Personal
- 190+ role-guided learning paths (e.g., Ethical Hacking, Threat Hunting)
- 100s of hands-on labs in cloud-hosted cyber ranges
- Custom certification practice exams (e.g., CISSP, Security+)
- Skill assessments
- Infosec peer community support
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Infosec Skills Teams
- Team administration and reporting
- Dedicated client success manager
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Single sign-on (SSO)
Easily authenticate and manage your learners by connecting to any identity provider that supports the SAML 2.0 standard.
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Integrations via API
Retrieve training performance and engagement metrics and integrate learner data into your existing LMS or HRS.
- 190+ role-guided learning paths and assessments (e.g., Incident Response)
- 100s of hands-on labs in cloud-hosted cyber ranges
- Create and assign custom learning paths
- Custom certification practice exams (e.g., CISSP, CISA)
- Optional upgrade: Guarantee team certification with live boot camps
Unlock 7 days of free training
- 1,400+ hands-on courses and labs
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You're in good company
We use Infosec Skills to provide continuous training to our technicians and to prepare them for various certifications. Infosec Skills allows us to create personalized training programs that focus on each of our technicians’ particular roles and see their progress as they take courses. We also, recommend it to clients to make their IT support teams better.
Caleb Yankus
This has been utilized to bridge the skills gap across our cyber team and to aid them as they prepare for their various certifications. It also has provided a nice learning foundation for our various cyber team members to utilize as we continue to find ways for cross-utilization with operations while minimizing the downtime needed to ensure everyone’s knowledge is the same.
Daniel Simpson
We use Infosec Skills to provide base level knowledge for employees. We also use the services to provide in depth learning for employees as they encounter new technologies. If an employee is is assigned to a new project, we can rely on Infosec Skills to provide a rapid concentrated learning environment. This rapid concentrated learning positions our employees for success.
Infosec Skills Teams client