Master Linux command fundamentals for LFCS certification. Learn case sensitivity, short vs long options, single dash vs double dash, combining options, --help usage, and common beginner mistakes with detailed examples.
Master /etc/sudoers configuration for LFCS certification. Learn visudo, sudoers syntax, granting specific commands, restricting dangerous operations, command aliases, timeout settings, and security best practices.
Master sudo command for LFCS certification. Learn sudo vs su comparison, basic sudo usage, sudo -i, sudo -s, password caching, timeout settings, logging, and security best practices with comprehensive labs.
Master the Linux root user and su command for LFCS certification. Learn about UID 0, root vs Windows Administrator, kernel relationship, su vs su - (login shells), /etc/profile, and when to use su with detailed practice labs.
Master Linux group management for LFCS certification. Learn about user groups, the wheel group (RedHat/CentOS), sudo group (Ubuntu/Debian), group membership, and privilege escalation with detailed explanations and practice labs.
Master Linux fundamentals for LFCS certification. Learn about Linux operating systems, distributions, VirtualBox setup, RedHat family, Ubuntu installation, and Windows WSL with detailed explanations and practice labs.
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Master Git forking workflow with real terminal examples. Learn how to fork repositories, create pull requests from forks, manage upstream remotes, and contribute to open-source projects professionally.
Master Git Flow workflow, create and manage pull requests, merge strategies, add collaborators, and set up branch protection rules. Learn professional team collaboration with detailed GitHub demonstrations.
Master Git branching fundamentals from creating local branches to pushing and pulling remote branches on GitHub. Learn branch switching, synchronization, and multi-branch workflows with detailed command explanations.
Complete guide to Terraform commands: init, validate, fmt, plan, apply, show, state, output, and destroy. Learn infrastructure lifecycle management, state files, and troubleshooting with detailed output explanations for beginners.