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内容説明 You need to maintain clients， servers and networks， while acquiring new skills. Foundations of Cent OS Linux: Enterprise Linux On the Cheap covers a free， unencumbered Linux operating system within the Red Hat lineage， but it does not assume you have a Red Hat Enterprise Linux license. Now you can learn CentOS Linux， the most powerful and popular of all Red Hat clones， keep maintaining your network at work， and become an Red Hat Certified Engineer， all just for the cost of this book. Introduces CentOS Linux and Fedora clients as equals to Red Hat Enterprise Linux Sets up CentOS as a secure， high-performance web services back end Prepares you for the RHCE examination， but does not assume an RHEL installation Table of Contents Installation BASH Client/Host Configuration Data Storage Management User Management X Window System Package Management Basic Linux Security Advanced Security Network Security Network Services Open Source Databases Linux Web Services File Sharing Services Linux Mail Servers Directory Services The Linux Kernel Linux Virtualization Linux Troubleshooting