<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[jpmsdn的专栏]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/jpmsdn</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; jpmsdn]]></copyright><item><title><![CDATA[pip源配置]]></title><link>https://blog.youkuaiyun.com/jpmsdn/article/details/124710972</link><guid>https://blog.youkuaiyun.com/jpmsdn/article/details/124710972</guid><author>jpmsdn</author><pubDate>Wed, 11 May 2022 15:25:46 +0800</pubDate><description><![CDATA[1、临时使用


1 pip install -i https://pypi.tuna.tsinghua.edu.cn/simple some-package

2、永久更改pip源

升级 pip 到最新的版本 (&gt;=10.0.0) 后进行配置：


1 pip install pip -U
2 pip config set global.index-url https://pypi.tuna.tsinghua.edu.cn/simple

如果您到 pip 默认源的网络连接较差，临时使用镜像站来升]]></description><category></category></item><item><title><![CDATA[centos7卸载java1.8安装java11]]></title><link>https://blog.youkuaiyun.com/jpmsdn/article/details/123522594</link><guid>https://blog.youkuaiyun.com/jpmsdn/article/details/123522594</guid><author>jpmsdn</author><pubDate>Wed, 16 Mar 2022 11:46:59 +0800</pubDate><description><![CDATA[1.查看java版本

java -version

java version "1.8.0_60"

2.删除java1.8

rpm -qa | grep jdk

jdk1.8.0_60-1.8.0_60-fcs.x86_64

rpm -e jdk1.8.0_60-1.8.0_60-fcs.x86_64

rpm -qa | grep jdk为空

3.解压 jdk-11.0.5_linux-x64_bin.tar.gz

tar -zxvf jdk-11.0.5_linux-x64_bin.tar]]></description><category></category></item><item><title><![CDATA[centos查询本机是物理机还是虚拟机命令]]></title><link>https://blog.youkuaiyun.com/jpmsdn/article/details/123429182</link><guid>https://blog.youkuaiyun.com/jpmsdn/article/details/123429182</guid><author>jpmsdn</author><pubDate>Fri, 11 Mar 2022 16:55:38 +0800</pubDate><description><![CDATA[cat /proc/scsi/scsi

vendor： VMware 虚拟机

vendor: DELL 等为物理机
]]></description><category></category></item><item><title><![CDATA[find全局查找]]></title><link>https://blog.youkuaiyun.com/jpmsdn/article/details/122564360</link><guid>https://blog.youkuaiyun.com/jpmsdn/article/details/122564360</guid><author>jpmsdn</author><pubDate>Tue, 18 Jan 2022 17:18:32 +0800</pubDate><description><![CDATA[find / -name fileName
]]></description><category></category></item><item><title><![CDATA[SHA与MD5算法的区别]]></title><link>https://blog.youkuaiyun.com/jpmsdn/article/details/112534426</link><guid>https://blog.youkuaiyun.com/jpmsdn/article/details/112534426</guid><author>jpmsdn</author><pubDate>Tue, 12 Jan 2021 16:28:16 +0800</pubDate><description><![CDATA[SHA（安全哈希算法）：该算法的思想是接收一段明文，然后以一种不可逆的方式将它转换成一段（通常更小）密文，也可以简单的理解为取一串输入码（称为预映射或信息），并把它们转化为长度较短、位数固定的输出序列即散列值（也称为信息摘要或信息认证代码）的过程。可以对任意长度的数据运算生成一个160位的数值。SHA将输入流按照每块512位（64个字节）进行分块，并产生20个字节的被称为信息认证代码或信息摘要的输出。SHA-1是不可逆的、防冲突，并具有良好的雪崩效应。



MD5（信息-摘要算法5）：MD5将任意长度的.]]></description><category></category></item><item><title><![CDATA[PPT演讲者模式]]></title><link>https://blog.youkuaiyun.com/jpmsdn/article/details/112266503</link><guid>https://blog.youkuaiyun.com/jpmsdn/article/details/112266503</guid><author>jpmsdn</author><pubDate>Wed, 06 Jan 2021 13:23:06 +0800</pubDate><description><![CDATA[1.全屏右键——演讲者模式

2.屏幕由复制模式——扩展模式

3.部分无线投屏不支持，HDMI有线接口支持
]]></description><category></category></item><item><title><![CDATA[如何查看中标麒麟系统版本]]></title><link>https://blog.youkuaiyun.com/jpmsdn/article/details/108692705</link><guid>https://blog.youkuaiyun.com/jpmsdn/article/details/108692705</guid><author>jpmsdn</author><pubDate>Sun, 20 Sep 2020 14:06:08 +0800</pubDate><description><![CDATA[cat /proc/version

Linux version 3.10.0-957.el7.x86_64 (mockbuild@kojibuilder-ve) (gcc version 4.8.5 20150623 (NeoKylin 4.8.5-36) (GCC) ) #1 SMP Fri Jan 11 17:34:50 CS

红色字体为麒麟系统
]]></description><category></category></item><item><title><![CDATA[centos修改网卡MAC地址，永久生效]]></title><link>https://blog.youkuaiyun.com/jpmsdn/article/details/108516131</link><guid>https://blog.youkuaiyun.com/jpmsdn/article/details/108516131</guid><author>jpmsdn</author><pubDate>Thu, 10 Sep 2020 15:47:50 +0800</pubDate><description><![CDATA[https://www.cnblogs.com/webnote/p/5748307.html
]]></description><category></category></item><item><title><![CDATA[cmd窗口中输入ride.py没有打开ride窗口，打开了ride.py文件原因]]></title><link>https://blog.youkuaiyun.com/jpmsdn/article/details/108512794</link><guid>https://blog.youkuaiyun.com/jpmsdn/article/details/108512794</guid><author>jpmsdn</author><pubDate>Thu, 10 Sep 2020 14:02:16 +0800</pubDate><description><![CDATA[文件默认打开方式由pychram等文件编辑工具改为python.exe


]]></description><category></category></item><item><title><![CDATA[Gitee克隆代码方法]]></title><link>https://blog.youkuaiyun.com/jpmsdn/article/details/108116253</link><guid>https://blog.youkuaiyun.com/jpmsdn/article/details/108116253</guid><author>jpmsdn</author><pubDate>Thu, 20 Aug 2020 09:24:47 +0800</pubDate><description><![CDATA[修改自：https://www.cnblogs.com/einstein-2014731/p/11492637.html

初始化本地仓库

1)Git Bash安装

本地仓库的初始化需要借助软件Git Bash 来完成。点击前往Git官网

下载适用您的电脑的Git版本，下载完成后运行安装程序，过程中使用默认选项即可，若须修改安装路径，须保证安装路径为全英文。







完成安装后运行Git Bash，出现下面这样的命令行窗口，

Hanani@LAPTOP-AFP6HIES MINGW64 ~ 是]]></description><category></category></item><item><title><![CDATA[centos7.6+zabbix3.0安装]]></title><link>https://blog.youkuaiyun.com/jpmsdn/article/details/107632063</link><guid>https://blog.youkuaiyun.com/jpmsdn/article/details/107632063</guid><author>jpmsdn</author><pubDate>Tue, 04 Aug 2020 15:49:47 +0800</pubDate><description><![CDATA[一、检查centos版本，本教程只适合centos7.6



二、安装玛利亚数据库

yum install -y mariadbmariadb-server



三、启动数据库

systemctl enable mariadb

systemctl start mariadb



四、测试数据库是否启动



五、安装PHP组件

yum install -y php php-mysql



六、安装zabbix前卸载老版本zabbix，新装跳过此步骤



七、在线安装zabbix

rp..]]></description><category></category></item><item><title><![CDATA[SQL语句]]></title><link>https://blog.youkuaiyun.com/jpmsdn/article/details/107412270</link><guid>https://blog.youkuaiyun.com/jpmsdn/article/details/107412270</guid><author>jpmsdn</author><pubDate>Fri, 17 Jul 2020 16:47:13 +0800</pubDate><description><![CDATA[truncate---- 删除所有数据，保留表结构，不能撤消还原。


TRUNCATE TABLE tablename
]]></description><category></category></item><item><title><![CDATA[centos7.4安装及使用clickhouse]]></title><link>https://blog.youkuaiyun.com/jpmsdn/article/details/107245784</link><guid>https://blog.youkuaiyun.com/jpmsdn/article/details/107245784</guid><author>jpmsdn</author><pubDate>Fri, 10 Jul 2020 10:53:52 +0800</pubDate><description><![CDATA[一、安装:

按照官方文档推荐，用yum方式安装最方便

#yum install yum-utils -y



# rpm --import https://repo.yandex.ru/clickhouse/CLICKHOUSE-KEY.GPG



# yum-config-manager --add-repo https://repo.yandex.ru/clickhouse/rpm/stable/x86_64

Loaded plugins: fastestmirror

adding re..]]></description><category></category></item><item><title><![CDATA[dockers容器不能上外网问题]]></title><link>https://blog.youkuaiyun.com/jpmsdn/article/details/107197776</link><guid>https://blog.youkuaiyun.com/jpmsdn/article/details/107197776</guid><author>jpmsdn</author><pubDate>Wed, 08 Jul 2020 09:23:28 +0800</pubDate><description><![CDATA[--net host 参数， 容器共享宿主机网络

docker run -itd --rm --privileged -p 60011:22 -p 3001:3000 --net host -v /data/share/grafana:/data --name grafana.test devel.centos /usr/sbin/init
]]></description><category></category></item><item><title><![CDATA[docker操作]]></title><link>https://blog.youkuaiyun.com/jpmsdn/article/details/107189641</link><guid>https://blog.youkuaiyun.com/jpmsdn/article/details/107189641</guid><author>jpmsdn</author><pubDate>Tue, 07 Jul 2020 20:26:59 +0800</pubDate><description><![CDATA[docker进入，退出容器命令

进入容器命令：


docker attach 容器ID

或者


docker exec -it 容器ID /bin/bash 

或者


docker exec -it 容器的name bash

退出容器命令


exit

或者


Ctrl+P+Q
]]></description><category></category></item><item><title><![CDATA[Docker容器内部端口映射到外部宿主机端口]]></title><link>https://blog.youkuaiyun.com/jpmsdn/article/details/107087519</link><guid>https://blog.youkuaiyun.com/jpmsdn/article/details/107087519</guid><author>jpmsdn</author><pubDate>Thu, 02 Jul 2020 16:38:12 +0800</pubDate><description><![CDATA[Docker容器内部端口映射到外部宿主机端口



Docker允许通过外部访问容器或者容器之间互联的方式来提供网络服务。
容器启动之后，容器中可以运行一些网络应用，通过-p或-P参数来指定端口映射。

注意：
宿主机的一个端口只能映射到容器内部的某一个端口上，比如：8080-&gt;80之后，就不能8080-&gt;81
容器内部的某个端口可以被宿主机的多个端口映射,比如：8080-&gt;80，8090-&gt;80,8099-&gt;80

1）启动容器时，选择一个端口映射到容器内部开放端口上-p..]]></description><category></category></item><item><title><![CDATA[在docker—centos8.2上安装Grafana，并使用clickhouse]]></title><link>https://blog.youkuaiyun.com/jpmsdn/article/details/107024735</link><guid>https://blog.youkuaiyun.com/jpmsdn/article/details/107024735</guid><author>jpmsdn</author><pubDate>Mon, 29 Jun 2020 17:54:31 +0800</pubDate><description><![CDATA[一、安装grafana

yum install grafana



二、启动grafana

service grafana-server start




]]></description><category></category></item><item><title><![CDATA[docker安装升级配置]]></title><link>https://blog.youkuaiyun.com/jpmsdn/article/details/107021807</link><guid>https://blog.youkuaiyun.com/jpmsdn/article/details/107021807</guid><author>jpmsdn</author><pubDate>Mon, 29 Jun 2020 17:17:12 +0800</pubDate><description><![CDATA[1.如果已有相关镜像，先删除

如：docker rmi 831691599b88 --force

2.拉取cenos7.8镜像

docker pull centos:7.8.2003

3.run一个新的镜像，镜像的22端口映射到9000

docker run -i -t -p 9000:22 --name centos78 --privileged=true centos:latest /usr/sbin/init

4.进入镜像

docker exec -it centos78 /bin/ba]]></description><category></category></item><item><title><![CDATA[在windows上安装Grafana]]></title><link>https://blog.youkuaiyun.com/jpmsdn/article/details/106916378</link><guid>https://blog.youkuaiyun.com/jpmsdn/article/details/106916378</guid><author>jpmsdn</author><pubDate>Tue, 23 Jun 2020 09:39:20 +0800</pubDate><description><![CDATA[下载地址

https://grafana.com/grafana/download?platform=windows

step 1

把下载的.zip文件解压到您的想运行Grafana的任何地方，然后进入conf目录复制一份sample.ini并重命名为custom.ini。以后所有的配置应该编辑custom.ini，永远不要去修改defaults.ini。



image.png



step 2

修改端口，Grafana的默认端口是3000，此端口需要Windows上的额外权限。打开刚刚复制.]]></description><category></category></item><item><title><![CDATA[U盘安装centos7.8]]></title><link>https://blog.youkuaiyun.com/jpmsdn/article/details/106547871</link><guid>https://blog.youkuaiyun.com/jpmsdn/article/details/106547871</guid><author>jpmsdn</author><pubDate>Thu, 04 Jun 2020 15:44:20 +0800</pubDate><description><![CDATA[一、准备工作：

   1、下载centos7.8 地址：http://isoredirect.centos.org/centos/7/isos/x86_64/

   2、大于10G空白U盘一个

二、制作Centos安装盘

1、安装UltraISO 后打开UltraISO，插入U盘

  2、找到Centos7包所在的文件夹，选择Centos7包，点击打开

 



3、点击顶部菜单中的启动选择写入硬盘映像ps：注意是硬盘不是软盘

 ...]]></description><category></category></item></channel></rss>