This is the RHCE Study Guide for the System Administration Study Group.
The study guide is intended to be printed by those who wish to study common tasks performed by many system administrators. This study guide is based upon the Red Hat Certified Engineer Exam Objectives. Other useful study components will be added here. Community contributions are always welcome.
System Configuration and Management
Route IP traffic and create static routes
Use iptables to implement packet filtering and configure network address translation (NAT)
Use /proc/sys and sysctl to modify and set kernel run-time parameters
Configure system to authenticate using Kerberos
Configure a system as an iSCSI initiator that persistently mounts an iSCSI target
Produce and deliver reports on system utilization (processor, memory, disk, and network)
Use shell scripting to automate system maintenance tasks
Configure a system to log to a remote system
Configure a system to accept logging from a remote system
Network Services
Network services are an important subset of the exam objectives. The following objectives apply to each of the network services listed below:
- Install the packages needed to provide the service
- Configure SELinux to support the service
- Configure the service to start when the system is booted
- Configure the service for basic operation
- Configure host-based and user-based security for the service
HTTP/HTTPS
Configure a virtual host
Configure private directories
Deploy a basic CGI application
Configure group-managed content
DNS
Configure a caching-only name server
Configure a caching-only name server to forward DNS queries
FTP
Configure anonymous-only download
NFS
Provide network shares to specific clients
Provide network shares suitable for group collaboration
Samba/CIFS
Provide network shares to specific clients
Provide network shares suitable for group collaboration
SMTP
Configure a mail transfer agent (MTA) to accept inbound email from other systems
Configure an MTA to forward (relay) email through a smart host
SSH
Configure key-based authentication
Configure additional options described in documentation