#001server-security-init-skill1 skills320atualizado 2026-06-26100% do criadorskillocupaçãodescriçãoatualizadoserver-security-initAdministradores de redes e sistemas de computadorUse when configuring a newly installed or rebuilt Ubuntu/Debian server over SSH, especially when selecting or generating SSH keys, creating a non-root sudo user, changing SSH ports, disabling root/password login, enabling UFW or fail2ban, updating SSH config, or verifying that the operator is not locked out.2026-06-26