<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[SSRmygod的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/SSRmygod</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; SSRmygod]]></copyright><item><title><![CDATA[虚拟化概述]]></title><link>https://blog.youkuaiyun.com/SSRmygod/article/details/105811523</link><guid>https://blog.youkuaiyun.com/SSRmygod/article/details/105811523</guid><author>SSRmygod</author><pubDate>Tue, 28 Apr 2020 13:30:06 +0800</pubDate><description><![CDATA[虚拟化概述



将底层的计算机资源虚拟成多组彼此之间互相隔离的计算平台，并且每一个计算平台都应该有五大部件的所有设备（运算器，控制器，存储器，IO设备）。计算资源指的是CPU和内存。



给我一个使用虚拟化的理由？

实现应用分离和资源利用率最大化。

虚拟化=管理系统+虚拟机



实现虚拟化的两种实现方式

裸机：在硬件上没有安装操作系统，而是直接安装hyper，hyper就是一个虚...]]></description><category></category></item><item><title><![CDATA[holding the yum lock]]></title><link>https://blog.youkuaiyun.com/SSRmygod/article/details/79224740</link><guid>https://blog.youkuaiyun.com/SSRmygod/article/details/79224740</guid><author>SSRmygod</author><pubDate>Thu, 01 Feb 2018 10:14:46 +0800</pubDate><description><![CDATA[今天install一个包的时候，我真的是很气~怎么解决？？？
[root@desktop41 ~]# yum install yum-plugin-security
Loaded plugins: product-id, refresh-packagekit, security, subscription-manager
This system is not registered to Re]]></description><category></category></item><item><title><![CDATA[Linux7 lvs+keepalived+tomcat负载均衡配置]]></title><link>https://blog.youkuaiyun.com/SSRmygod/article/details/77247377</link><guid>https://blog.youkuaiyun.com/SSRmygod/article/details/77247377</guid><author>SSRmygod</author><pubDate>Wed, 16 Aug 2017 14:42:40 +0800</pubDate><description><![CDATA[lvs+keepalived+tomcat负载均衡配置]]></description><category></category></item><item><title><![CDATA[Linux7 keepalived+nginx配置]]></title><link>https://blog.youkuaiyun.com/SSRmygod/article/details/77120108</link><guid>https://blog.youkuaiyun.com/SSRmygod/article/details/77120108</guid><author>SSRmygod</author><pubDate>Sat, 12 Aug 2017 16:46:45 +0800</pubDate><description><![CDATA[Linux7 keepalived+nginx配置]]></description><category></category></item><item><title><![CDATA[Linux7 简单安装nginx]]></title><link>https://blog.youkuaiyun.com/SSRmygod/article/details/77103559</link><guid>https://blog.youkuaiyun.com/SSRmygod/article/details/77103559</guid><author>SSRmygod</author><pubDate>Fri, 11 Aug 2017 21:48:37 +0800</pubDate><description><![CDATA[一分钟简单安装nginx]]></description><category></category></item><item><title><![CDATA[Linux7 rsync+inotify实现服务器之间文件实时同步]]></title><link>https://blog.youkuaiyun.com/SSRmygod/article/details/77102466</link><guid>https://blog.youkuaiyun.com/SSRmygod/article/details/77102466</guid><author>SSRmygod</author><pubDate>Fri, 11 Aug 2017 19:43:09 +0800</pubDate><description><![CDATA[Linux7 rsync+inotify实现服务器之间文件实时同步]]></description><category></category></item><item><title><![CDATA[PXE+TFTP+VSftp+DHCP+Kickstart无人值守安装系统搭建]]></title><link>https://blog.youkuaiyun.com/SSRmygod/article/details/77045824</link><guid>https://blog.youkuaiyun.com/SSRmygod/article/details/77045824</guid><author>SSRmygod</author><pubDate>Thu, 10 Aug 2017 12:56:57 +0800</pubDate><description><![CDATA[PXE+TFTP+VSftp+DHCP+Kickstart无人值守安装系统搭建]]></description><category></category></item><item><title><![CDATA[解决linux系统NAT模式下无法上网]]></title><link>https://blog.youkuaiyun.com/SSRmygod/article/details/74857676</link><guid>https://blog.youkuaiyun.com/SSRmygod/article/details/74857676</guid><author>SSRmygod</author><pubDate>Sun, 09 Jul 2017 10:42:33 +0800</pubDate><description><![CDATA[解决linux系统NAT模式下无法上网]]></description><category></category></item><item><title><![CDATA[oracle之sql（四）]]></title><link>https://blog.youkuaiyun.com/SSRmygod/article/details/71078139</link><guid>https://blog.youkuaiyun.com/SSRmygod/article/details/71078139</guid><author>SSRmygod</author><pubDate>Tue, 02 May 2017 10:33:26 +0800</pubDate><description><![CDATA[转换函数
NVL
NVL2
NULLIF
COALESCE
case when
DECODE]]></description><category></category></item><item><title><![CDATA[oracle之sql（三）]]></title><link>https://blog.youkuaiyun.com/SSRmygod/article/details/70577169</link><guid>https://blog.youkuaiyun.com/SSRmygod/article/details/70577169</guid><author>SSRmygod</author><pubDate>Mon, 24 Apr 2017 11:27:08 +0800</pubDate><description><![CDATA[日期函数
数字函数]]></description><category></category></item><item><title><![CDATA[oracle之sql（二）]]></title><link>https://blog.youkuaiyun.com/SSRmygod/article/details/70499962</link><guid>https://blog.youkuaiyun.com/SSRmygod/article/details/70499962</guid><author>SSRmygod</author><pubDate>Sun, 23 Apr 2017 14:16:07 +0800</pubDate><description><![CDATA[大小写
字符函数concat
切割
长度
查找
右左对齐
切除
替换]]></description><category></category></item><item><title><![CDATA[oracle之sql（一）]]></title><link>https://blog.youkuaiyun.com/SSRmygod/article/details/70492170</link><guid>https://blog.youkuaiyun.com/SSRmygod/article/details/70492170</guid><author>SSRmygod</author><pubDate>Sun, 23 Apr 2017 11:03:02 +0800</pubDate><description><![CDATA[解锁scott用户设置密码tiger
sql常识
NULL空值
别名
连接符和字面字符
转义字符
去除重复行
where子句
not and or优先级
order by排序默认升序
替代变量]]></description><category></category></item><item><title><![CDATA[centos7下zabbix的安装]]></title><link>https://blog.youkuaiyun.com/SSRmygod/article/details/70185676</link><guid>https://blog.youkuaiyun.com/SSRmygod/article/details/70185676</guid><author>SSRmygod</author><pubDate>Sat, 15 Apr 2017 17:23:15 +0800</pubDate><description><![CDATA[centos7下zabbix的安装]]></description><category></category></item><item><title><![CDATA[Initial setup of CentOS Linux 7 (core)]]></title><link>https://blog.youkuaiyun.com/SSRmygod/article/details/70185621</link><guid>https://blog.youkuaiyun.com/SSRmygod/article/details/70185621</guid><author>SSRmygod</author><pubDate>Sat, 15 Apr 2017 17:19:01 +0800</pubDate><description><![CDATA[安装完centos7 reboot后提示：


Initial setup of CentOS Linux 7 (core)
1) [x] Creat user 2) [!] License information
(no user will be created) (license not accepted)
Please make your choice from abov]]></description><category></category></item><item><title><![CDATA[HP 360Gen9配置ILO、RAID5、安装windows2012、网卡聚合（NIC Teaming）]]></title><link>https://blog.youkuaiyun.com/SSRmygod/article/details/70176522</link><guid>https://blog.youkuaiyun.com/SSRmygod/article/details/70176522</guid><author>SSRmygod</author><pubDate>Fri, 14 Apr 2017 22:24:57 +0800</pubDate><description><![CDATA[HP 360Gen9配置ILO、RAID5、安装windows2012、网卡聚合（NIC Teaming）]]></description><category></category></item><item><title><![CDATA[oracle数据库启动与关闭]]></title><link>https://blog.youkuaiyun.com/SSRmygod/article/details/70171539</link><guid>https://blog.youkuaiyun.com/SSRmygod/article/details/70171539</guid><author>SSRmygod</author><pubDate>Fri, 14 Apr 2017 13:49:00 +0800</pubDate><description><![CDATA[oracle数据库启动与关闭，一致性关闭数据库]]></description><category></category></item><item><title><![CDATA[oracle10g参数文件spfile]]></title><link>https://blog.youkuaiyun.com/SSRmygod/article/details/70171150</link><guid>https://blog.youkuaiyun.com/SSRmygod/article/details/70171150</guid><author>SSRmygod</author><pubDate>Fri, 14 Apr 2017 13:00:36 +0800</pubDate><description><![CDATA[oracle10g参数文件spfile]]></description><category></category></item><item><title><![CDATA[sqlplus登录翻页问题]]></title><link>https://blog.youkuaiyun.com/SSRmygod/article/details/70170358</link><guid>https://blog.youkuaiyun.com/SSRmygod/article/details/70170358</guid><author>SSRmygod</author><pubDate>Fri, 14 Apr 2017 11:15:04 +0800</pubDate><description><![CDATA[sqlplus使用上下翻页rlwrap]]></description><category></category></item><item><title><![CDATA[oracle10g的密码文件管理]]></title><link>https://blog.youkuaiyun.com/SSRmygod/article/details/70170157</link><guid>https://blog.youkuaiyun.com/SSRmygod/article/details/70170157</guid><author>SSRmygod</author><pubDate>Fri, 14 Apr 2017 11:02:04 +0800</pubDate><description><![CDATA[oracle10g的密码文件管理]]></description><category></category></item><item><title><![CDATA[LRM-00109: could not open parameter file '/u01/oracle/product/11.2.0/dbs/initora11g.ora']]></title><link>https://blog.youkuaiyun.com/SSRmygod/article/details/70162202</link><guid>https://blog.youkuaiyun.com/SSRmygod/article/details/70162202</guid><author>SSRmygod</author><pubDate>Thu, 13 Apr 2017 21:18:00 +0800</pubDate><description><![CDATA[ORA-01078: failure in processing system parameters
LRM-00109: could not open parameter file '/u01/oracle/product/11.2.0/dbs/initora11g.ora']]></description><category></category></item></channel></rss>