Cert Prep: Red Hat Certified System Engineer (EX300)

Take an accelerated course for the Red Hat Certified System Engineer exam. Study to earn RHCE certification and become more proficient in Linux engineering.

Introduction

• Prepare for the RHCE EX300
• What you should know
• The state of Enterprise Linux

1. Virtual Systems Configuration

• Lab setup introduction
• Install interactively in a guest VM
• Installing from a DVD ISO Image
• Update system software
• Install Linux Guest Additions
• Virtual machine snapshots
• Reconfigure or migrate CentOS

2. System Configuration

• System configuration introduction
• Gather statistics from the system
• Generate reports on system utilization
• Use shell scripting to automate tasks

3. iSCSI Target Configuration

• iSCSI target introduction
• Install and configure packages
• Create an iSCSI backstore
• Create iSCSI target
• Create an iSCSI LUN
• Create access control
• Configure firewalld
• Create an iSCSI initiator
• Mount target automatically
• Challenge: iSCSI target and initiator
• Solution: iSCSI target and initiator

4. NTP Services

• NTP services introduction
• Install and configure NTP services
• Configure the chrony server
• Configure the chrony client
• Configure time and date

5. Authentication Services

• Authentication services introduction
• Install and prepare LDAP server
• Configure LDAP server
• Set up an LDAP database
• Create an LDAP user
• Finish the LDAP server configuration
• Install and configure LDAP client
• Install and configure Kerberos server packages
• Create a Kerberos database
• Configure Kerberos client authentication

6. Network Services

• Network services introduction
• Consistent network device naming
• Gather network information
• Configure IP and subnet mask
• Configure interface bonding using nmcli
• Configure interface teaming using nmcli
• Configure IPv6 and perform basic troubleshooting
• Use firewalld for packet filtering
• Use firewalld zones
• Use firewalld for NAT
• Use firewalld rich rules
• Route IP traffic and create static routes
• Challenge: Network services
• Solution: Network services

7. Database Services

• Database services introduction
• Install and configure MariaDB
• Manage SELinux for database services
• Perform logical database backups
• Create a database with tables
• Restore logical database backups
• Perform simple SQL queries
• Perform logical database backups
• Restore logical database backups
• Recover the MariaDB root password
• Set the root database password

8. DNS Services

• DNS services introduction
• Installing DNS packages
• About the BIND configuration file
• About BIND zone files
• Configure a caching-only name server
• Troubleshoot DNS client issues
• Use dig to resolve DNS records

9. Web Services

• Web services introduction
• Install and configure Apache
• Manage SELinux for web services
• Configure a basic Apache web server
• Configure access control on directories
• Configure private access using basic auth
• Configure group-managed content
• Configure a virtual host
• Configure a virtual host on a nonstandard port
• Configure a secure virtual host
• Deploy a basic CGI application
• Generating key pairs and self-signed certificates
• Challenge: Web services private site
• Solution: Web services private site
• Deploy a basic CGI application

10. NFS Services

• NFS services introduction
• Install NFS and configure NFS services
• Manage SELinux for NFS services
• Provide network shares to specific clients
• Mount a simple NFS share
• Create an NFS share for group collaboration
• Mount an NFS share for group collaboration
• Challenge: NFS share for group collaboration
• Solution: NFS share for group collaboration

11. SMB Services

• smb services introduction
• Install and configure Samba services
• Manage SELinux for SMB services
• Samba global configuration options
• Samba share configuration definitions
• Create a simple public share
• Provide network shares to specific clients
• Automount using a credentials file
• Provide network shares suitable for group collaboration
• Mount a share for group collaboration
• Challenge: SMB share for group collaboration
• Solution: SMB share for group server
• Solution: SMB share for group client

12. SMTP Services

• SMTP services introduction
• Install and configure mail services
• Manage SELinux for SMTP services
• Configure a local mail server
• Create a null-client mail relay
• Create a mail gateway

13. SSH Services

• SSH services introduction
• Install SSH additional packages
• SSH client configuration
• SSH server configuration
• SSH per user client configuration
• Configure key-based authentication
• Configure host- and user-based security

Conclusion

• Taking the exam