RHEL 8/CentOS 8 Linux System Administration (RHCSA) Level I

JOIN THE BEST LINUX SYSTEM (SERVER/DESKTOP) ADMINISTRATION  COURSE FOR NEWBIE LINUX USERS USING RHEL 8/CENTOS 8 LINUX!!

Hi. My name is Mustafa and I’m the author of the ‘RHEL 8/CentOS 8 Linux System Administration (RHCSA) Level I’ course. I started working as a network and computer systems administrator since January 2011. I have a bachelor degree in engineering from Alexandria University, Egypt. After finishing university, I concentrated on learning the Linux system administration. I have many certifications in Linux system administration, network administration, database administration, and some programming languages ‘C, C++, and Python’. I have a large experience in working on Linux using RHEL, CentOS, and Ubuntu Linux distributions. I have a desire to teach others and transfer my experience to them in an easy and simplified way.

The Course 3 Levels will cover all the topics of the Red Hat Certified System Administrator (RHCSA) and Red Hat Certified Engineer (RHCE). The RHCSA will be in 2 Levels and the RHCE will be in 1 Level, using CentOS 8.

RHEL 8/CentOS 8 Linux System Administration RHCSA Level One Content:

Linux System Administration Intro:

• Linux system administration introduction.
• The Linux system administrator’s major duties.
• The main differences between CentOS and RHEL.

Linux System Administrator Essential Skills which will include:

• VirtualBox Download and Install.
• Creating a CentOS 8 Virtual Machine.
• CentOS 8 Download and Install.
• CentOS 8 installation requirements.
• Using Automatic Storage configuration.
• Using  Custom Storage configuration.
• LVM Partition scheme.
• Adding new mount points ‘partitions’.
• The XFS file system.
• Adjusting the resolution to view a full-resolution CentOS VM on your computer.
• Linux systems basic modes.
• CentOS 8 Graphical user interface.
• Connecting to the system using graphical mode.
• Visual overview of GNOME 3.
• The top bar.
• The system menu in the top bar.
• Activities button overview.
• Starting applications.
• Workspaces.
• Switching between workspaces.
• Launching an application in a separate workspace.
• Launching an application in a new workspace.
• Quickly running a command.
• Application menu.
• Clock and calendar button.
• New Boxes features.
• The System menu.
• Locking the screen.
• Switching users.
• Suspending the computer.
• Powering off the computer.
• Switching between windows.
• The difference between terminal and shell.
• Launching the terminal window.
• The terminal window command prompt.
• Checking your hostname ‘$HOSTNAME’.
• Switching to root user.
• Disconnecting from the system in graphical mode.
• Centos 8 Virtual Consoles.
• The text mode login screen.
• Logging in using a virtual console.
• The tty command.
• The logout command.
• The Shell Basics.
• The bash shell.
• The shell commands basic parts.
• The shell alias.
• Bash builtin commands.
• The external commands.
• The $PATH environmental variable.
• The which command.
• The echo command.
• The env command.
• Changing directories in the PATH variable.
• The export command.
• The environment configuration files.
• The /etc/profile, /etc/bashrc, ~/.bash_profile, and ~/.bashrc files.
• Using /etc/motd and /etc/issue files.
• Shell commands typing rules.
• Quick Start Commands.
• The date command.
• The pwd command.
• The cd command.
• Relative and absolute paths.
• The passwd command.
• The file command.
• The head and tail commands.
• The wc command.
• The cat command.
• The exit command.
• The ls command.
• The history command.
• The exclamation point character ( ! ).
• The Shell Special Keys.

Managing Files from the Command-line which will include:

• The Linux file system hierarchy.
• The Linux file system tree-like structure.
• The most important directories on the Linux system.
• Command-line file management.
• Creating, deleting, copying, and moving files and directories.
• The touch command.
• More options for cd and ls commands.
• Matching File Names Using Path Name Expansion ‘Globbing and Wildcards’.
• The common meta-characters and pattern classes.
• Simple pattern matches using ( ? ).
• Tilde expansion ( ~ ).
• Brace expansion.
• Command substitution.
• Protecting arguments from expansion.

Getting Help in Linux which will include:

• Reading Documentation using man command.
• Sections of the Linux manual.
• Sections containing popular system administration topics.
• Identifying man pages by keyword.
• Navigating man pages.
• Searching for man pages by keyword.
• The apropos command.
• The mandb command.
• Reading Documentation using Info command.
• Reading Documentation using pinfo command.
• The INFOPATH environment variable.
• Reading Documentation in usr/share/doc directory.
• The whatis command.
• The –help option.
• Graphical help.
• The gnome-help command.
• The yelp command.
• The shell built-in commands.

Creating, Viewing, and Editing Text Files in Linux which will include:

• Describing the technical terms of standard input, standard output, and standard error.
• The file descriptors.
• Using the redirection characters to control output to files.
• Output redirection operators.
• Constructing pipelines.
• Using piping to control output to other programs.
• Using the tee command for piping.
• Creating new files and editing existing text files from the shell prompt.
• Navigating within an editor to effectively accomplish editing tasks.
• Using the Vim editor in the basic editing tasks.
• Different ways of launching gedit.
• Basic gedit keystrokes.
• Editing text files with gedit.
• Copying text between graphical windows.

Managing Local Linux Users & Groups which will include:

• What a multi-user system is.
• Using the id command.
• Using the ps command.
• The /etc/passwd file.
• What a group is.
• The /etc/group file.
• The primary groups.
• The supplementary groups.
• What a root user is.
• Switching users with the su command.
• Running commands as root with the sudo command.
• The /etc/sudoers file.
• The group wheel.
• The PolicyKit.
• Managing local users.
• The useradd command.
• The /etc/login.defs file.
• The usermod command.
• The userdel command.
• The id command.
• The passwd command.
• The UID ranges.
• Managing supplementary groups.
• The groupadd command.
• The groupmod command.
• The groupdel command.
• The usermod command.
• Shadow passwords and password policy.
• The /etc/shadow file.
• The authselect command.
• Password aging.
• The chage command.
• Using the date command to calculate a date in the future.
• Restricting access.
• The nologin shell.

Controlling Access to Files with Linux File System Permissions which will include:

• Linux File System Permissions.
• Effects of permissions on files and directories.
• Viewing file/directory permissions and ownership.
• What the Security-Enhanced Linux (SELinux) is?
• Practical examples of controlling permissions and their allowed and denied behaviour.
• Managing File System Permissions from the Command-Line.
• Changing file/directory permissions.
• The Symbolic method keywords.
• The Numeric method.
• Practical examples of controlling permissions using the Symbolic and Numeric methods.
• Changing file/directory user or group ownership.
• The chown command.
• The chgrp command.
• Managing Default Permissions and File Access.
• Special permissions.
• The setuid permission.
• The setgid permission.
• The sticky bit permission.
• Effects of special permissions on files and directories.
• Setting special permissions.
• Default file permissions.
• The umask command.
• And practical examples of using the umask command.

#The course contains two practice test and three quizzes.

#A private Facebook group is available for answering the students’ inquiries regarding the course.

ENROLL NOW AND ENJOY LEARNING THE LINUX FUNDAMENTALS / LINUX ESSENTIAL SKILLS!!

Who this course is for:

• Anyone want to be prepared for the Red hat Certified System Administrator (RHCSA) exam.
• Anyone who wants to start a new career as a professional Linux system administrator.
• Anyone who needs to learn Linux for a personal or business project.
• A newbie Linux user who wants to be professional in using Linux.
• An existing Linux user who wants to increase his knowledge.
• Windows or macOS users who want to switch to Linux.
• Anyone with a desire to learn Linux.

Student testimonials:

• Joseph DcruzUpdated: Instructor was really good and well explained. Valuable information, clear explanations, engaging delivery, helpful practice activities, accurate course description, and knowledgeable instructor.
• Ahmed Salah: Excellent course with an excellent and expert instructor.