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Phone 07736 475838
+44 7736 475838


Training Centre:

Newark, Notts

Administration office:
High Park Farm
Swinderby Road
Nr. Newark
Notts NG23 7NZ.


Enterprise Linux 7 Systems Administration Part 3
(RH254 RHCE equivalent for RedHat, CentOS, Oracle and Scientific Linux versions)

This advanced four-day course covers the features of Enterprise Linux 7 for those who have attended the Part 1 and 2 Administration course, or who already have knowledge and experience to that level, with perhaps an RHCSA qualification. As with all our other courses, students have exclusive use of deskside servers, plus additional VMware hosted virtual machines. Topics include Domain name Server (DNS) configuration, the Apache web server advanced services including connection to a MySQL (MariaDB) database, Mail server (Postfix) configuration, SSH server/client configuration, iSCSI initiators and targets, Advanced network and firewalling, BASH shell scripting, Time synchronisation along with a variety of troubleshooting scenarios.

This course is available to be run, fully resourced, at your site; see here for on-site details and prices.

This course helps with the preparation for several certifications, but is aimed mainly at RedHat Certified System Administrator (RHCSA) when combined with the Linux Enterprise Administration Part 1 course. The course is suitable for any RedHat or rebuild distribution such as CentOS, Oracle Linux (OL) and Scientific Linux.

Our Linux courses are suitable training for Linux LPI or RedHat Certification

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To become proficient in Linux Enterprise administration to a level required for the RedHat RHCE exam.

COURSE DATES:  This course is only available at the client site, fully resourced. Dates by arrangement.

INTENSITY: About 30% of the course is practicals, and 70% lectures

RESOURCE: Each student will have exclusive use of a fully equipped Dell server for the duration of the course. Each student will be provided with a full set of training notes, and quick reference cards to assist with file editing and Linux commands. A full reference for Linux resources will also be provided in the notes.

PREREQUISITES: RHCSA-level knowledge required, as provided by the Enterprise Linux 7 Administration Part 1 and Part 2 courses.

FOLLOW UPS: First Alternative also offers an extensive range of Solaris courses. (On-site at client premises only).

PRACTICALS / TAKEAWAYS: Each student leaves the course with their own set of training notes for the material covered; around 120 pages per day of training. Quick reference sheets are supplied as appropriate.

Every student who attends this course will be issued with a signed certificate of course completion, which we will be happy to "authenticate" upon future request.

SOFTWARE VERSIONS: We currently use CentOS Linux 7.5 which is the equivalent to RedHat 7, CentOS 7 and Scientific 7.



Control System services and daemons
Review of how to manage services with systemctl, and the system boot process.
Creating new systemd service and mount units.

IPv6 networking
Configure and manage IPv6 network interfaces. Understanding the IPv6 address scheme.

Link aggregations and bridges
Configure network interface bonding, teaming, and local network software bridges. Uses graphical tools
and the command line utility nmcli to configure with NetworkManager running.

Control network security
Control access to network services using advanced SELinux configuration and firewalld facilities.

Configuring DNS servers
Configure a secure DNS caching server.

Configure Email services
Configure Postfix to direct email to an SMTP gateway for central delivery.

Set up block-based storage
Create and configure networked iSCSI (Internet SCSI) devices as remote disks.
Turn your Linux system into a SAN!

Set up file-based storage
Configure NFS file-sharing services and SMB (SAMBA) file shares to specified remote systems and users.
Use Kerberos security with NFS and SAMBA.

Configure a MariaDB database
Create a MariaDB SQL database.. (MariaDB is the replacement for MySQL). Populate the database with sample data.
View and modify database data. Backup the database.

Provide Apache HTTPD Advanced web services
Use Apache to serveTransport Layer Security (TLS)-enabled websites and virtual hosts.

Produce and deliver system performance reports, which includes network, disk, memory and CPU.
This section looks at the tools available to monitor system utilisation in both the short and longer term.
It also examines kernel tuneables which are relevant to system performance. Some performance enhancement actions are
also discussed, although these are not required for certification purposes.

Bash shell scripts
Write simple BASH shell scripts. Interpret scripts.

Bash conditionals and control structures
Use BASH conditional and control statements. Use loop statements. Use variables and functions.

Configure the BASH environment
Customising startup and using environment variables, aliases, and functions

Comprehensive final practicals and review.


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