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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 8 Systems Administration Part 1
(RH124 RHCSA equivalent for RedHat, CentOS and Oracle versions)

This five day course covers essential command line and administration skills for RedHat 8.
It is intended for those who have little or no previous Linux or UNIX experience.
The course is fairly intensive, but provides ample time for putting skills into practise. This course helps with the preparation for several certifications, but is aimed mainly at RedHat Certified System Administrator (RHCSA) when combined with the Enterprise Linux 8 Administration Part 2 course. The course is suitable for any RedHat or rebuild distribution such as CentOS and Oracle Linux (OL).
We use real hardware and virtual machines, with each attendee having their own dedicated server throughout the course, plus access to additional virtual machines on a VMWare ESXi server.

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

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

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In conjunction with the Enterprise Linux 8 Administration Part 2 course, to become proficient in Linux Enterprise administration to a level required for the RedHat RHCSA 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 deskside server for the duration of the course, plus a VMware ESXi hosted virtual machine. Each student will be provided with a full set of training notes, and quick reference cards to assist with file editing and Linux commands. Many references for Linux resources are also be provided in the notes.

PREREQUISITES: Basic computer system familiarity.

FOLLOW UPS: Enterprise Linux 8 Adminstration Part 2.

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 8 which is the equivalent to RedHat 8 and Oracle Linux 8. If you are a user of Scientific Linux, be aware that development was terminated at version 7, and Fermilabs began using CentOS instead.



Command line
Use day-to-day Linux commands and interact with the Linux BASH shell. Perform directory navigation and essential file and directory manipulation.
Use system documentation and access external documentation sources. Controlling IO with redirection and piping.
Shell history, variables and environment configuration.

View, create and edit text files.
Display the content of text files, create new files and perform simple text file editing using gedit and the vim editor.

Graphical Desktop
Use graphical tools including the File Manager and graphical administration tools. (Also see Cockpit section below).

Network configuration

Examine and configure IPv4 network interface settings. Manage basic and default routes.
Set up DNS (Domain Name System) client services for name resolution. Display and set the system hostname.
Use manual and NetworkManager (GUI) configuration techniques. Troubleshoot network problems. Monitor network activity.

User and Group management
Create and manage user accounts and groups. Configure an LDAP client to access remotely stored accounts on an LDAP server.
Process and file management from the command line.
Invoke, monitor and kill processes using the command line. Use the ps and top utilities. Monitor key performance values.

Controlling access to files using permissions settings.
Understand how Linux file/directory permissions work. Use chmod to modify permissions.

System Log management
Examine and manage system logs. (rsyslog and journald).
Software package management
Examine installed software, query software, install/remove software using rpm and yum and dnf.
Introduction to yum repository creation and configuration. Update the system.
Access remote systems
Access remote systems using SSH, SCP and rsync.
Login to remote sysems, and securely transfer file between systems.
Configure key-based SSH authentication. Configure other SSH security features such restricting users and using an alternative port.
Managing basic disk partitions, EXT and XFS file systems
Display information about existing partitions and file systems.
Add a new storage device, create a file system, mount a file system, and manage swap space.
Logical volume management
Logical volume concepts, Create and manage linear logical volumes.

The boot process and system services
The systemd process and runlevels. Control services and system daemons using systemctl.
Introduction to the GRUB2 bootloader configuration and security.
Shutting down the system correctly. Basic boot troubleshooting.
Web-based Graphical Administration with Cockpit.
Install, manage and use the cockpit graphical interface to perform a variety of administration tasks.
Obtain help in a RedHat environment
Access documentation and RedHat services. Examine documentation and services for other distributions.


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