Red Hat Certified System Administrator (EX200) Cert Prep: 1 Deploy, Configure, and Manage

Red Hat Enterprise Linux is one of the top enterprise Linux distributions, and the RHCSA cert is highly sought after. This course covers the first half of the exam.

Introduction

• Break into system administration with the Red Hat EX200 certification
• What you should know
• About Red Hat certifications
• The State of Enterprise Linux

1. Deploy Systems

• Create a bootable Enterprise Linux 9 live USB drive on Windows
• Install Enterprise Linux on a physical machine
• Virtualization on Enterprise Linux
• Prepare the host for virtualization
• Install Linux interactively in a guest VM
• Use Kickstart files to automate installs
• Install Linux unattended in a guest VM
• Manage virtual machines

2. System Config and Services

• Understand the Linux Boot Process
• Rescue a system
• Introduction to systemd services
• Get systemd service status
• Manage systemd services
• Make systemd services persistent
• Configure networking
• Configure a system to use network time protocol
• Manage one-time jobs with at
• Manage reoccurring user jobs with cron
• Manage reoccurring system jobs with cron
• Limit access to at and cron

3. Essential Tools

• About file globs
• Use character classes
• Use globs to match files
• Use input-output redirection (>, >>, |, 2>, and more)
• Use grep and regular expressions to analyze text
• Create files and directories
• Copy files and directories
• Move files and directories
• Remove files and directories
• Create hard and soft links
• Introduction to Vim
• Edit text with Vim
• Locate, read, and use system documentation
• Archive files using tar and cpio
• Compress files and archives
• Read system logs

4. Manage System Software

• Linux repository management systems
• Install from a software repository
• RPM package format
• Select DNF packages by name
• Get info on packages with DNF
• Get info on package groups
• Search for packages
• Install and remove packages
• Install and remove package groups
• Managing DNF package modules
• Manage DNF repositories
• Get package information with RPM
• RPM query formatting
• Manage OS updates
• Update the kernel
• Manage kernel modules

5. Create Simple Shell Scripts

• What makes a shell script a shell script?
• Bash variable scope
• Positional arguments
• Pipe data into a script
• Output to STDOUT and STDERR
• Conditional flow with if, then if
• Conditional flow with case
• Numeric conditions
• String conditions
• File conditions
• Use looping constructs: The for loop
• Use looping constructs: The while loop

Conclusion

• Next steps