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引入依赖 <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-bootstrap</artifactId> </dependency> 阅读全文
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原文地址:https://www.jianshu.com/p/e83595604846 升级步骤: Openssl官网:https://www.openssl.org/source/ #查看SSL版本 [root@cnki-120-145-80 ~]# openssl version OpenSSL 阅读全文
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network: ethernets: eth0: dhcp4: false addresses: [192.168.1.11/24] optional: true routes: - to: default via: 192.168.1.1 nameservers: addresses: [192 阅读全文
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vim /etc/environment export JAVA_HOME=/usr/lib/jdk/jdk1.8.0_333 export CLASSPATH=.:$JAVA_HOME/lib:$JAVA_HOME/jre/lib vim /etc/profile export JAVA_HOME 阅读全文
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--公式 STRING_AGG(expression, separator) CREATE TABLE employees ( id SERIAL PRIMARY KEY, name VARCHAR(50), department VARCHAR(50) ); INSERT INTO employe 阅读全文
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WITH RECURSIVE cte AS( SELECT a.* FROM tab a where a.pid='1' UNION ALL SELECT k.* FROM tab k INNER JOIN cte c ON c.id= k.pid )SELECT * FROM cte pid:上级 阅读全文
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1 修改命令:nmcli general hostname 新主机名 查看命令:nmcli general hostname 2 vi /etc/hostname修改内容为 新主机名 重启网络服务:systemctl restart NetworkManager 阅读全文
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修改文件:package.json 原 "start": "umi dev", 改成 "start": "SET NODE_OPTIONS openssl-legacy-provider && umi dev", 阅读全文
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spring: datasource: db1: driver-class-name: com.mysql.cj.jdbc.Driver jdbc-url: jdbc:mysql://127.0.0.1:3306/db1 username: root password: root db2: driv 阅读全文
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默认情况下Nginx不支持Lua模块,需要安装LuaJIT解释器,并且重新编译Nginx,或者可使用国人开发的openrestry 需要的模块:LuaJIT,Ngx_devel和lua-nginx-module Luajit官网:https://luajit.org 环境准备 yum install 阅读全文