Worked on stabilizing the RHEL 9 installation process in the nginx/documentation repository by addressing a recurring installation failure. The solution involved removing the dependency on yum-config-manager and introducing a check_restorecon step to ensure SELinux file contexts were correctly applied, which reduced setup errors for enterprise deployments. This targeted bug fix improved the reliability of initial installations and demonstrated a strong understanding of Linux system administration, shell scripting, and SELinux context management. The work focused on enhancing deployment stability for RHEL 9 environments, leveraging Git for precise fix tracking and contributing to more robust Linux packaging workflows in production settings.