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转载 Sed常用实例总结

【Sed简介】sed是一个文件处理工具,本身是一个管道命令,主要用来自动编辑一个或多个文件,简化对文件的反复操作,编写转换程序等。sed以行为单位,一次处理一行内容,处理时,把当前处理的行存储在临时缓冲区(模式空间),接着用sed命令处理缓冲区里的内容,处理完成后,把缓冲区里的内容送到屏幕,然后接着处理下一行,这样不断重复,直到文件末尾。其实文件内容并没有改变,除非使用了重定向输出...

2019-05-14 22:01:13 435

原创 tomcat 8下的两个server.xml 有什么不同,请教大神???????

[root@wcl conf]# ll /etc/tomcat/conf.d/total 8-rw-r--r-- 1 root root 6613 May 2 20:49 server.xml[root@wcl conf]# ll /usr/local/apache-tomcat-8.5.40/conf/total 228drwxr-x--- 3 root root 4096 M...

2019-05-02 23:10:30 460

原创 阿里云 tomact 外网 无法访问 请大神指教?防火墙没开 阿里安全组端口已经开放

May 02, 2019 7:54:01 PM org.apache.catalina.core.StandardService startInternalINFO: Starting service CatalinaMay 02, 2019 7:54:01 PM org.apache.catalina.core.StandardEngine startInternalINFO: Start...

2019-05-02 19:59:12 385

原创 请问centos7 中 /etc/sysconfig/network 中为什么不能修改hostname了 而要到/etc/hostname中修改??

请问centos7 中 /etc/sysconfig/network 中为什么不能修改hostname了 而要到/etc/hostname中修改??

2019-04-11 14:12:12 3886

转载 学习笔记整理Find 命令

学习笔记整理Find 命令,附带练习题及答案。Find语法: find [路径] [参数] 如果不输入路径,查询当前目录小技巧Tips:在使用 -maxdepth 参数的时候,如果有多个选项,把 maxdepth 放到路径的后面,其他参数的前面,否则可能会出错。-name 后面养成习惯加双引号,避免出错如果不指定文件的具体路径,可以写根目录 / ,扩大搜索范围。比如在搜...

2019-04-10 22:46:01 373

转载 SELinux 的启动、关闭与查看

SELinux 的启动、关闭与查看1、并非所有的 Linux distributions都支持 SELinux目前 SELinux 支持三种模式,分别如下:•enforcing:强制模式,代表 SELinux 运作中,且已经正确的开始限制 domain/type 了; •permissive:宽容模式:代表 SELinux 运作中,不过仅会有警告讯息并不会实际限制 domain...

2019-04-10 15:04:50 735

转载 Linux修改hostname时/etc/hosts、/etc/sysconfig/network ,hostname,三者的区别和联系(转)

Linux修改hostname时/etc/hosts、/etc/sysconfig/network ,hostname,三者的区别和联系/etc/hostsIP地址 主机名/域名 别名第一部份:网络IP地址; 第二部份:主机名或域名; 第三部份:主机名别名;主机名通常在局域网内使用,通过hosts文件,主机名就被解析到对应ip;域名通常在internet上使用,但如果本机不...

2019-04-09 14:11:38 977

转载 ORACLE 身份验证SQLNET.AUTHENTICATION_SERVICES=(NTS)

SQLNET.AUTHENTICATION_SERVICES=(NTS) 1、在windows下,SQLNET.AUTHENTICATION_SERVICES必须设置为NTS或者ALL才能使用OS认证;不设置或者设置为其他任何值都不能使用OS认证。   sqlnet.ora文件为空时采用Oracle密码文件验证  SQLNET.AUTHENTICATIO

2017-11-12 12:10:43 4940 1

oracle 2day+real Appliaction Cluster Guide

Oracle Database 2 Day + Real Application Clusters Guide 11g Release 1 (11.1) Part No. B28252-06 Copyright © 2006, 2012, Oracle and/or its affiliates. All rights reserved. Primary Author: Janet Stern Contributing Author: Mark Bauer, Vivian Schupmann, Douglas Williams Contributor: David Austin, Eric Belden, Jonathan Creighton, Sudip Datta, Prabhaker Gongloor, William Hodak, Sushil Kumar, Rich Long, Barb Lundhild, Venkat Maddali, Gaurav Manglik, Markus Michalewicz, Mughees Minhas, Joe Paradise, Hanlin Qian, Laurent Schneider, Uri Shaft, Jacqueline Sideri, Mark Townsend, Mike Zampiceni This software and related documentation are provided under a license agreement containing restrictions on use and disclosure and are protected by intellectual property laws. Except as expressly permitted in your license agreement or allowed by law, you may not use, copy, reproduce, translate, broadcast, modify, license, transmit, distribute, exhibit, perform, publish, or display any part, in any form, or by any means. Reverse engineering, disassembly, or decompilation of this software, unless required by law for interoperability, is prohibited. The information contained herein is subject to change without notice and is not warranted to be error-free. If you find any errors, please report them to us in writing. If this is software or related documentation that is delivered to the U.S. Government or anyone licensing it on behalf of the U.S. Government, the following notice is applicable: U.S. GOVERNMENT RIGHTS Programs, software, databases, and related documentation and technical data delivered to U.S. Government customers are "commercial computer software" or "commercial technical data" pursuant to the applicable Federal Acquisition Regulation and agency-specific supplemental regulations. As such, the use, duplication, disclosure, modification, and adaptation shall be subject to the restrictions and license terms set forth in the applicable Government contract, and, to the extent applicable by the terms of the Government contract, the additional rights set forth in FAR 52.227-19, Commercial Computer Software License (December 2007). Oracle America, Inc., 500 Oracle Parkway, Redwood City, CA 94065. This software or hardware is developed for general use in a variety of information management applications. It is not developed or intended for use in any inherently dangerous applications, including applications that may create a risk of personal injury. If you use this software or hardware in dangerous applications, then you shall be responsible to take all appropriate fail-safe, backup, redundancy, and other measures to ensure its safe use. Oracle Corporation and its affiliates disclaim any liability for any damages caused by use of this software or hardware in dangerous applications. Oracle and Java are registered trademarks of Oracle and/or its affiliates. Other names may be trademarks of their respective owners. Intel and Intel Xeon are trademarks or registered trademarks of Intel Corporation. All SPARC trademarks are used under license and are trademarks or registered trademarks of SPARC International, Inc. AMD, Opteron, the AMD logo, and the AMD Opteron logo are trademarks or registered trademarks of Advanced Micro Devices. UNIX is a registered trademark of The Open Group. This software or hardware and documentation may provide access to or information on content, products, and services from third parties. Oracle Corporation and its affiliates are not responsible for and expressly disclaim all warranties of any kind with respect to third-party content, products, and services. Oracle Corporation and its affiliates will not be responsible for any loss, costs, or damages incurred due to your access to or use of third-party content, products, or services.

2018-06-08

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