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
• State of Enterprise Linux

1. Deploy Systems

• Create a bootable CentOS 8 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
• Configure VM virtual graphics cards and terminals
• Managing virtual machines
• Before you go further: VM checklist

2. System Config and Services

• Understand the Linux boot process
• Boot into the emergency target
• 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 reccuring user jobs with cron
• Manage reccuring system jobs with cron
• Limiting access to AT and cron

3. Essential Tools

• Use input-output redirection (>, >>, |, 2>, and more)
• Use grep and regular expressions to analyze text
• Archive files using tar
• Compress files and archives
• Create files and directories
• Copy files and directories
• Move files and directories
• Remove files and directories
• Create hard and soft links
• Introduction to vim
• Editing text with vim
• Locate, read, and use system documentation
• Locate and interpret system log files
• Reading the system journal

4. Manage System Software

• Install from a software repository
• Linux repository management systems
• Query with RPM
• RPM query formatting
• DNF overview
• 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
• Manage OS updates
• Update the kernel
• Manage kernel modules

Conclusion

• Next steps