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2021-10-30
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<a class="index-article-header-title font-weight-medium" href="/2021/10/30/Operation/">PostgreSQL daily Operation</a>
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monitor, backup/restore. user create etc…
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<a class="index-article-header-title font-weight-medium" href="/2021/10/30/Nginx%E7%AB%AF%E5%8F%A3%E8%BD%AC%E5%8F%91/">Nginx端口转发</a>
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如何使用Nginx进行端口转发, stream模块使用
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2021-06-07
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<a class="index-article-header-title font-weight-medium" href="/2021/06/07/360-%E6%9E%81%E9%80%9F%E6%A8%A1%E5%BC%8F/">360 极速模式</a>
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360浏览器如何设置急速模式
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2021-02-06
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<a rel="tag" href = /tags/design-pattern/ >design pattern</a>
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<a class="index-article-header-category font-weight-bold" href="/categories/Design-Pattern/">Design Pattern></a>
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1.什么是设计模式 设计模式是对被用来在特性场景下解决一般设计问题的类和相互通信的对象的描述
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<a class="index-article-header-title font-weight-medium" href="/2020/08/24/Docker-Oracle-11g%E9%85%8D%E7%BD%AE/">Docker Oracle 11g配置</a>
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1.拉取Oracle镜像12345# docker pull registry.cn-hangzhou.aliyuncs.com/helowin/oracle_11g# docker imagesregistry.cn-hangzhou.aliyuncs.com/helowin/oracle_11g latest 3fa112fd3642 4 years ago 6.85GB
2.创建容器1# docker run -d -p 1521:1521 --name oracle11g r...
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12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364BaseException +-- SystemExit +-- KeyboardInterrupt +-- GeneratorExit +-- Exception +-- StopIteration +-- StopAsyncIteration +-- ArithmeticError | +-- Float...
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<a class="index-article-header-title font-weight-medium" href="/2020/08/15/Linux-strace%E4%BD%BF%E7%94%A8/">Linux strace使用</a>
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在操作系统运维中会出现程序或系统命令运行失败，通过报错和日志无法定位问题根本原因
比如keepalive脚本执行失败，但是体现在日志中是其他提示，没有相关报错
如何在没有内核或程序代码的情况下查看系统调用的进程
strace工具介绍
strace是一个非常有用的诊断、说明和调试工具，Linux系统管理员可以在不需要源代码的情况下即可跟踪系统调用情况
strace显示有关进程的系统调用的信息，这可以帮助确定一个程序使用的哪个函数，当然在系统出现问题时可以使用strace定位系统调用过程中失败的原因，这是定位系统问题的很好的解决办法
参数解析
-c
统计每一体统调用所执行的时间，次数和...
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连接数据库, 默认的用户和数据库是postgres
1psql -U user -d dbname
切换数据库,相当于mysql的use dbname
1\c dbname
列举数据库，相当于mysql的show databases
1\l
列举表，相当于mysql的show tables
1\dt
查看表结构，相当于desc tblname,show columns from tbname
1\d tblname
查看索引
1\di
创建数据库：
1create database [数据库名];
删除数据库：
1drop database [数据库名];
重命名一...
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1. 开启Go module1.11和1.12版本将下面两个设置添加到系统的环境变量中
12GO111MODULE=onGOPROXY=https://goproxy.io
1.13版本之后
需要注意的是这种方式并不会覆盖之前的配置，有点坑，你需要先把系统的环境变量里面的给删掉再设置
12go env -w GO111MODULE=ongo env -w GOPROXY=https://goproxy.cn,https://goproxy.io,direct
2. go get使用
使用go module之后，go get 拉取依赖的方式就发生了变化
下载项目依赖
1go g...
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因为自己不喜欢用图形化页面，所以把debian的图形化关了。
配置如下
编辑grub配置文件123456789101112vi /etc/default/grub# If you change this file, run ‘update-grub’ afterwards to update # /boot/grub/grub.cfg. # For full documentation of the options in this file, see: # info -f grub -n ‘Simple configuration’GRUB_DEFAULT=0 GRUB_TIMEOU...
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