Introduction
Prepare for the RHCE EX300
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What you should know
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The state of Enterprise Linux
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1. Virtual Systems Configuration
Lab setup introduction
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Install interactively in a guest VM
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Installing from a DVD ISO Image
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Update system software
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Install Linux Guest Additions
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Virtual machine snapshots
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Reconfigure or migrate CentOS
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2. System Configuration
System configuration introduction
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Gather statistics from the system
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Generate reports on system utilization
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Use shell scripting to automate tasks
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3. iSCSI Target Configuration
iSCSI target introduction
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Install and configure packages
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Create an iSCSI backstore
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Create iSCSI target
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Create an iSCSI LUN
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Create access control
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Configure firewalld
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Create an iSCSI initiator
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Mount target automatically
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Challenge: iSCSI target and initiator
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Solution: iSCSI target and initiator
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4. NTP Services
NTP services introduction
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Install and configure NTP services
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Configure the chrony server
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Configure the chrony client
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Configure time and date
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5. Authentication Services
Authentication services introduction
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Install and prepare LDAP server
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Configure LDAP server
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Set up an LDAP database
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Create an LDAP user
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Finish the LDAP server configuration
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Install and configure LDAP client
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Install and configure Kerberos server packages
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Create a Kerberos database
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Configure Kerberos client authentication
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6. Network Services
Network services introduction
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Consistent network device naming
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Gather network information
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Configure IP and subnet mask
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Configure interface bonding using nmcli
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Configure interface teaming using nmcli
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Configure IPv6 and perform basic troubleshooting
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Use firewalld for packet filtering
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Use firewalld zones
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Use firewalld for NAT
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Use firewalld rich rules
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Route IP traffic and create static routes
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Challenge: Network services
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Solution: Network services
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7. Database Services
Database services introduction
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Install and configure MariaDB
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Manage SELinux for database services
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Create a database with tables
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Perform simple SQL queries
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Perform logical database backups
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Perform logical database backups
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Restore logical database backups
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Restore logical database backups
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Recover the MariaDB root password
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Set the root database password
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8. DNS Services
DNS services introduction
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Installing DNS packages
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About the BIND configuration file
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About BIND zone files
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Configure a caching-only name server
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Troubleshoot DNS client issues
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Use dig to resolve DNS records
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9. Web Services
Web services introduction
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Install and configure Apache
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Manage SELinux for web services
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Configure a basic Apache web server
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Configure access control on directories
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Configure private access using basic auth
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Configure group-managed content
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Configure a virtual host
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Configure a virtual host on a nonstandard port
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Configure a secure virtual host
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Deploy a basic CGI application
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Generating key pairs and self-signed certificates
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Challenge: Web services private site
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Solution: Web services private site
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Deploy a basic CGI application
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10. NFS Services
NFS services introduction
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Install NFS and configure NFS services
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Manage SELinux for NFS services
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Provide network shares to specific clients
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Mount a simple NFS share
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Create an NFS share for group collaboration
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Mount an NFS share for group collaboration
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Challenge: NFS share for group collaboration
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Solution: NFS share for group collaboration
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11. SMB Services
smb services introduction
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Install and configure Samba services
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Manage SELinux for SMB services
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Samba global configuration options
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Samba share configuration definitions
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Create a simple public share
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Provide network shares to specific clients
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Automount using a credentials file
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Provide network shares suitable for group collaboration
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Mount a share for group collaboration
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Challenge: SMB share for group collaboration
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Solution: SMB share for group server
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Solution: SMB share for group client
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12. SMTP Services
SMTP services introduction
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Install and configure mail services
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Manage SELinux for SMTP services
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Configure a local mail server
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Create a null-client mail relay
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Create a mail gateway
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13. SSH Services
SSH services introduction
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Install SSH additional packages
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SSH client configuration
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SSH server configuration
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SSH per user client configuration
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Configure key-based authentication
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Configure host- and user-based security
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Conclusion
Taking the exam
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