Systems.Approach.To.Nonlinear.Finite.Element.Analysis.Of.Shell.Structures.pdf/Basic.Administration.PDF/Advanced.Administration.PDF/Apress.-.Real.World.SQL.Server.Administration.with.Perl.chm/Auditing.Solaris.Security.with.CLI.pdf五本英文PDF书籍，希望对Linux爱好者

Linux下，精简的ntp校时服务器，端口开放出来的。-Under Linux, when school streamlined ntp server, port open out.

适用于linux服务器开发，提升性能，希望对你有帮助！-Suitable for Linux server development, improve performance, I hope it can help you!