The Directory Tree + Root Directory and Hierarchy of Users in Linux + Absolute and Relative Paths - Command Options and Arguments + pwd command and cd command + ls command + cal command, date command, uptime command + lscpu command and free command + df command and du command + history command, clear command, exit command + whatis command, type command, man command + last command and w command + hostname command and uname command + touch command and mkdir command + cp command and mv command + rmdir command and rm command + tar command + cat command and echo command + head command, tail command and sort command + Linux Pipes + diff command + sudo command and su command + find command + Hard Link and Soft Link + gedit editor and nano editor + vi editor and vim editor

Creating Users and Deleting Users + Demo Creating Users and Deleting Users + Creating Groups and Deleting Groups + Demo Creating Groups and Deleting Groups + File Ownership and Permissions + Permission Levels + Permission Modes + Changing Ownership and Group Membership + Demo File Ownership and Permissions + Umask Default Permission Sets + Demo Umask Default Permission Sets + Three Special Permissions + Demo Three special permissions + Changing File Attributes + Demo Changing File Attributes + Superuser and visudo Command + Demo Superuser and visudo Command + Access Control Lists + ACLs Recursive and Deleting ACLs + Demo Access Control Lists

Adding DNS Server IP Address + Adding a Host with an Alias + nmcli command + nmtui command + Time Synchronization with NTP

SELinux Configuration + Apache Configuration + Firewalld Configuration

Processes Commands + Processes Signals + scp command and ssh command + Switching into Different Targets on Linux

Configuring Services with Systemctl + Automating Tasks with Cron Jobs + Modifying GRUB Bootloader + Tuned Profile + Installing Package Modules + Configuring Repositories + Breaking into the System + Creating Temporary Files and Directories

Creating Standard Partitions + Creating SWAP + Creating (PVS - VGS - LVM) + Mounting and Unmounting (Temporarily and Permanently) + Adjusting and Removing (LVM - VGS - PVS) + Managing Layered Storage with Startis + Disk Compression with VDO

Configuring Remote File Systems with NFS + Mounting on Demand with autofs

Introduction to Containers + Running Containers Images Using Podman Command + Auto Starting Container Images under Systemd Service + Adding Persistent Storage to Containers Images

Introduction to Bash Shell Scripting + Examples of Bash Shell Scripting

Learn-Ansible-Quickly-RHCE + Learn-Linux-Quickly + Learn-Bash-Quickly