<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[qq_39551064的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/qq_39551064</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; qq_39551064]]></copyright><item><title><![CDATA[饥荒linux服务器搭建]]></title><link>https://blog.youkuaiyun.com/qq_39551064/article/details/121580637</link><guid>https://blog.youkuaiyun.com/qq_39551064/article/details/121580637</guid><author>qq_39551064</author><pubDate>Sat, 27 Nov 2021 17:44:49 +0800</pubDate><description><![CDATA[饥荒linux服务器搭建]]></description><category></category></item><item><title><![CDATA[jupyter notebook导出pdf并支持中文]]></title><link>https://blog.youkuaiyun.com/qq_39551064/article/details/105663170</link><guid>https://blog.youkuaiyun.com/qq_39551064/article/details/105663170</guid><author>qq_39551064</author><pubDate>Tue, 21 Apr 2020 17:28:21 +0800</pubDate><description><![CDATA[原文链接：https://www.jianshu.com/p/6b84a9631f8a

]]></description><category></category></item><item><title><![CDATA[centos7系统服务管理]]></title><link>https://blog.youkuaiyun.com/qq_39551064/article/details/104888688</link><guid>https://blog.youkuaiyun.com/qq_39551064/article/details/104888688</guid><author>qq_39551064</author><pubDate>Sun, 15 Mar 2020 22:48:18 +0800</pubDate><description><![CDATA[转载！！！原文链接：点击进入

]]></description><category></category></item><item><title><![CDATA[centos安装netcat问题]]></title><link>https://blog.youkuaiyun.com/qq_39551064/article/details/104611591</link><guid>https://blog.youkuaiyun.com/qq_39551064/article/details/104611591</guid><author>qq_39551064</author><pubDate>Mon, 02 Mar 2020 14:51:14 +0800</pubDate><description><![CDATA[nc命令（netcat）端口侦听、端口连接、端口测试、端口扫描，功能大致跟ncat类似，但有端口扫描功能，在CentOS7.X中使用yum install -y nc安装的并不是netcat而是nmap-ncat，并且通过软链接的方式链接为nc命令，但实际是ncat命令，在CentOS6.4中使用yum install -y nc安装的是nc命令（netcat），其它版本未测试。
所以在cento...]]></description><category></category></item><item><title><![CDATA[kafka的advertised.host.name参数]]></title><link>https://blog.youkuaiyun.com/qq_39551064/article/details/104004834</link><guid>https://blog.youkuaiyun.com/qq_39551064/article/details/104004834</guid><author>qq_39551064</author><pubDate>Thu, 16 Jan 2020 14:54:30 +0800</pubDate><description><![CDATA[参考文章点击查看原文

]]></description><category></category></item><item><title><![CDATA[设置了CharacterEncodingFilter依旧中文乱码]]></title><link>https://blog.youkuaiyun.com/qq_39551064/article/details/103619296</link><guid>https://blog.youkuaiyun.com/qq_39551064/article/details/103619296</guid><author>qq_39551064</author><pubDate>Thu, 19 Dec 2019 18:19:33 +0800</pubDate><description><![CDATA[点击访问转载原文

]]></description><category></category></item><item><title><![CDATA[SpringMVC处理Put或Delete请求报错及解决方法]]></title><link>https://blog.youkuaiyun.com/qq_39551064/article/details/103617841</link><guid>https://blog.youkuaiyun.com/qq_39551064/article/details/103617841</guid><author>qq_39551064</author><pubDate>Thu, 19 Dec 2019 17:06:45 +0800</pubDate><description><![CDATA[转载原文地址：点击进入

]]></description><category></category></item><item><title><![CDATA[jdbc连接]]></title><link>https://blog.youkuaiyun.com/qq_39551064/article/details/103601897</link><guid>https://blog.youkuaiyun.com/qq_39551064/article/details/103601897</guid><author>qq_39551064</author><pubDate>Wed, 18 Dec 2019 17:43:34 +0800</pubDate><description><![CDATA[&lt;bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"&gt;
		&lt;property name="driverClass" value="com.mysql.cj.jdbc.Driver"&gt;&lt;/property&gt;
		&lt;property name="jdbcUrl" val...]]></description><category></category></item><item><title><![CDATA[Centos根目录100%解决思路]]></title><link>https://blog.youkuaiyun.com/qq_39551064/article/details/103507634</link><guid>https://blog.youkuaiyun.com/qq_39551064/article/details/103507634</guid><author>qq_39551064</author><pubDate>Thu, 12 Dec 2019 13:51:10 +0800</pubDate><description><![CDATA[转载，原文地址https://lirongyao.com/centos-root-directory-is-full.html

]]></description><category></category></item><item><title><![CDATA[外网无法访问hdfs文件系统]]></title><link>https://blog.youkuaiyun.com/qq_39551064/article/details/103295194</link><guid>https://blog.youkuaiyun.com/qq_39551064/article/details/103295194</guid><author>qq_39551064</author><pubDate>Thu, 28 Nov 2019 16:05:03 +0800</pubDate><description><![CDATA[标题报错java.net.ConnectException: Connection timed out: no further information
由于本地测试和服务器不在一个局域网,安装的hadoop配置文件是以内网ip作为机器间通信的ip.
在这种情况下,我们能够访问到namenode机器,
namenode会给我们数据所在机器的ip地址供我们访问数据传输服务,
但是返回的的是datano...]]></description><category></category></item><item><title><![CDATA[杀死Linux中的defunct进程(僵尸进程)的方法指南]]></title><link>https://blog.youkuaiyun.com/qq_39551064/article/details/101021594</link><guid>https://blog.youkuaiyun.com/qq_39551064/article/details/101021594</guid><author>qq_39551064</author><pubDate>Thu, 19 Sep 2019 14:18:11 +0800</pubDate><description><![CDATA[原文：https://www.jb51.net/LINUXjishu/457748.html

]]></description><category></category></item><item><title><![CDATA[localhost的127.0.0.1和0.0.0.0以及IP地址的区别]]></title><link>https://blog.youkuaiyun.com/qq_39551064/article/details/100934864</link><guid>https://blog.youkuaiyun.com/qq_39551064/article/details/100934864</guid><author>qq_39551064</author><pubDate>Tue, 17 Sep 2019 18:24:39 +0800</pubDate><description><![CDATA[碰到了类似的问题，查错近五个小时，差点没气死，转载一下大佬写的，希望能帮助大家
原文：https://blog.youkuaiyun.com/s_lisheng/article/details/83382652

]]></description><category></category></item><item><title><![CDATA[telnet: connect to address 127.0.0.1: Connection refused]]></title><link>https://blog.youkuaiyun.com/qq_39551064/article/details/100932986</link><guid>https://blog.youkuaiyun.com/qq_39551064/article/details/100932986</guid><author>qq_39551064</author><pubDate>Tue, 17 Sep 2019 17:29:08 +0800</pubDate><description><![CDATA[[yjc@localhost ~]$ telnet localhost 8080
Trying ::1...
telnet: connect to address ::1: Connection refused
Trying 127.0.0.1...
telnet: connect to address 127.0.0.1: Connection refused

没有启用8080端口，使用  n...]]></description><category></category></item><item><title><![CDATA[kafka之broker部署]]></title><link>https://blog.youkuaiyun.com/qq_39551064/article/details/100732781</link><guid>https://blog.youkuaiyun.com/qq_39551064/article/details/100732781</guid><author>qq_39551064</author><pubDate>Wed, 11 Sep 2019 12:36:18 +0800</pubDate><description><![CDATA[1.下载解压配置KAFKA_HOME
2.修改配置文件，本机主机名：hadoopIMOOC
vim $KAFKA_HOME/config/server.properties

配置项：
broker.id=0 //整数唯一不重复
listeners=PLAINTEXT://:9092
host.name=hadoopIMOOC
log.dirs=/home/yjc/app/kafka_2.11-0...]]></description><category></category></item><item><title><![CDATA[Scala之reduce,reduceLeft,reduceRight和fold,foldLeft,foldRight]]></title><link>https://blog.youkuaiyun.com/qq_39551064/article/details/100011170</link><guid>https://blog.youkuaiyun.com/qq_39551064/article/details/100011170</guid><author>qq_39551064</author><pubDate>Thu, 22 Aug 2019 11:41:11 +0800</pubDate><description><![CDATA[1.先了解一点，reduce与fold原理相同，只不过fold有初值，reduce直接使用集合中的元素，同理reduceLeft,reduceRight和foldLeft,foldRight也一样

2.reduce与reduceLeft功能与原理都一样，两者选其一即可；fold与foldLeft功能与原理都一样，两者选其一即可

3.原理解析：直接上图

（reduce原理图）：

（reduc...]]></description><category></category></item><item><title><![CDATA[centos7 桥接模式下的静态ip配置]]></title><link>https://blog.youkuaiyun.com/qq_39551064/article/details/96839607</link><guid>https://blog.youkuaiyun.com/qq_39551064/article/details/96839607</guid><author>qq_39551064</author><pubDate>Mon, 22 Jul 2019 11:21:23 +0800</pubDate><description><![CDATA[转自[https://blog.youkuaiyun.com/qq_40694145/article/details/82811961]
注意：使用root用户打开文件修改，修改完之后使用命令重启网络服务：service network restart

]]></description><category></category></item><item><title><![CDATA[解决Tomcat乱码问题]]></title><link>https://blog.youkuaiyun.com/qq_39551064/article/details/88830396</link><guid>https://blog.youkuaiyun.com/qq_39551064/article/details/88830396</guid><author>qq_39551064</author><pubDate>Tue, 26 Mar 2019 21:12:41 +0800</pubDate><description><![CDATA[Tomcat的乱码问题一直困扰着很多人，网上也流传着很多办法，可能乱码的原因不一样，一直没有解决我的问题，查了好久才解决了，如果你试了很多办法都没有解决可以试试这个：

找到tomcat/conf/logging.properties；
	添加语句：java.util.logging.ConsoleHandler.encoding = GBK；
	重启tomcat，查看日志数据即可！；
在...]]></description><category></category></item><item><title><![CDATA[TCP的三次握手与四次挥手理解及面试题（很全面）]]></title><link>https://blog.youkuaiyun.com/qq_39551064/article/details/88803980</link><guid>https://blog.youkuaiyun.com/qq_39551064/article/details/88803980</guid><author>qq_39551064</author><pubDate>Mon, 25 Mar 2019 19:35:28 +0800</pubDate><description><![CDATA[这篇文章讲解得非常详细到位，
转载自	https://blog.youkuaiyun.com/qq_38950316/article/details/81087809

]]></description><category></category></item><item><title><![CDATA[【MySQL8.0填坑】java.sql.SQLException: Unable to load authentication plugin 'caching_sha2_password”]]></title><link>https://blog.youkuaiyun.com/qq_39551064/article/details/88764871</link><guid>https://blog.youkuaiyun.com/qq_39551064/article/details/88764871</guid><author>qq_39551064</author><pubDate>Sat, 23 Mar 2019 17:49:51 +0800</pubDate><description><![CDATA[最近在学mybatis框架时，连接数据库时遇到了如下问题：
Cause: java.sql.SQLException: Unable to load authentication plugin ‘caching_sha2_password’.
翻译过来就是不能验证插件’caching_sha2_password’.如图
在网上查了资料后大致明白了原因，由于我MySQL升级到了8.0，而8.0改变了...]]></description><category></category></item><item><title><![CDATA[我的第一篇博客]]></title><link>https://blog.youkuaiyun.com/qq_39551064/article/details/82526408</link><guid>https://blog.youkuaiyun.com/qq_39551064/article/details/82526408</guid><author>qq_39551064</author><pubDate>Sat, 08 Sep 2018 09:34:29 +0800</pubDate><description><![CDATA[早就想要写博客了，踌躇犹豫了很久一直没有动手，一直在想“以后有时间了再说吧”“现在还什么都不会等我技术成熟一点在说吧”，可我还是决定要开始写了，一开始我还在想“我怕自己写不好”，现在我不怕了，因为自己肯定写不好；之前还一直说自己没有准备好，其实很多时候没有真的准备好了，这只是一个拖延的借口，最好的时候就是现在。
这个博客我主要做三件事：总结回顾，提问答疑，所感所悟。
总结回顾学过的知识，我从小学到...]]></description><category></category></item></channel></rss>