Red Hat Certified System Administrator (EX200) Cert Prep: 2 File Access, Storage, and Security

Course details

Red Hat Enterprise Linux is one of the top enterprise Linux distributions, and the Red Hat Certified System Administrator (RHCSA) cert is highly sought after. This course helps you prepare for the second half of the RHCSA exam. First, instructor Grant McWilliams covers tasks related to users and accounts, such as creating and deleting users and utilizing sudo. Next, he delves into files access control, with topics that include the Linux permission system, special bits such as SUID and SGID, and access control lists (ACLs). Grant explores how to manage security with topics like security context, SELinux policy violations, and maintaining firewalls. He walks you through how to access Linux remotely, using SSH. In conclusion, Grant discusses how to configure local storage, including different tools to create partitions, logical volume management, and mounting and unmounting network drives.

Concepts

0. Introduction

01 - Prepare for the RHCSA EX200 Exam
02 - About Red Hat Certifications
03 - What was covered in Part One

1. Users and Accounts

04 - Create and delete local user accounts
05 - Modify local user accounts
06 - Change passwords and adjust password aging for local user accounts
07 - Manage aging for local user accounts
08 - Create, delete, and modify local groups and group memberships
09 - Log in and switch users in multiuser targets
10 - Elevating privileges using sudo
11 - Challenge - Users and accounts
12 - Solution - Users and accounts

2. Files Access Control

13 - File and directory modes
14 - Change file and directory ownership
15 - Set permissions using numeric mode
16 - Set permissions using symbolic mode
17 - Initial permissions using umask
18 - Special file bits - SUID and SGID
19 - Special directory bits - SGID and Sticky
20 - Read access control lists
21 - Set access control lists (ACLs)
22 - Configure inheritance with default access control lists
23 - Delete access control lists
24 - Challenge - File access control
25 - Solution - File access control

3. Manage Security

26 - Set enforcing and permissive modes for SELinux
27 - List and identify SELinux file and process context
28 - Restore SELinux default file contexts
29 - Use Booleans to modify SELinux behavior
30 - Diagnose routine SELinux policy violations
31 - Maintain security context when managing files
32 - Manage firewalls with firewalld
33 - Challenge - Manage security
34 - Solution - Manage security

4. Accessing Linux Remotely

35 - Configure Secure Shell
36 - Configure key-based authentication for SSH
37 - Securely transfer files between systems
38 - Access Linux from Windows using PuTTY
39 - Access Linux from macOS or Linux using SSH
40 - Access Linux from iOS using SSH
41 - Access Linux from Android using SSH

5. Configure Local Storage

42 - List, create, and delete partitions on MBR and GPT disks
43 - Manage LVM volumes and volume groups
44 - Mount file systems at boot
45 - Mount file systems at boot by ID or label
46 - Extend existing logical volumes
47 - Mount and unmount CIFS and NFS network file systems
48 - Challenge - Local storage
49 - Solution - Local storage

6. Containers

50 - About containers on Enterprise Linux
51 - Retrieve container images from a remote registry
52 - Inspect container images
53 - Managing containers
54 - Working with container images
55 - Build a container from a container file
56 - Configure a container to start automatically as a systemd service
57 - Attach persistent storage to a container

Conclusion

58 - Next steps