紅帽認證系統管理員（Red Hat Certified System Administrator）：具備紅帽Linux環境所需的核心系統管理技能，
RHCSA可以執行以下任務：
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了解和運用必要的工具來處理檔案、目錄、命令列環境和檔案
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操作運行中的系統，包括引導到不同的運行行程、識別流程、啟動和停止虛擬機以及控制服務
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使用磁區和邏輯配置本地存盤
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創建和組態檔系統和檔案系統屬性，例如權限、加密、訪問權限控制串列和網路檔案系統
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部署、配置以及維護系統，包括軟體安裝、更新以及核心服務
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管理用戶和用戶群組，包括使用集中目錄進行身份驗證
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管理安全性，包括基本防火墻和SELinux配置
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understand and use essential tools for handling files, directories, command-line environments and documentation
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Operate running systems, including booting into different run levels, identifying processes, starting and stoping virtual machines and controlling services
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Configure local storage using partitions and logical volumes
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Create and configure file systems and file system attributes, such as permissions, encryption, access control lists, and network file systems
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Deploy, configure, and maintain systems, including software installation, update, and core services
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Manage users and groups, including use of a centralized directory for authentication
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Manage security, including basic firewall and SELinux configuration
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