<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[xwupiaomiao的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/xwupiaomiao</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; xwupiaomiao]]></copyright><item><title><![CDATA[H3C防火墙RBM+context+VRRP组网配置]]></title><link>https://blog.youkuaiyun.com/xwupiaomiao/article/details/163521135</link><guid>https://blog.youkuaiyun.com/xwupiaomiao/article/details/163521135</guid><author>xwupiaomiao</author><pubDate>Wed, 05 Aug 2026 10:42:00 +0800</pubDate><description><![CDATA[【代码】H3C防火墙RBM+context+VRRP组网配置。]]></description><category></category></item><item><title><![CDATA[PostgreSQL初始化配置]]></title><link>https://blog.youkuaiyun.com/xwupiaomiao/article/details/153857701</link><guid>https://blog.youkuaiyun.com/xwupiaomiao/article/details/153857701</guid><author>xwupiaomiao</author><pubDate>Fri, 24 Oct 2025 15:09:00 +0800</pubDate><description><![CDATA[远程连接认证必需使用md5/password方式，本地TCP/IP连接使用md5或scram-sha-256(scram-sha-256：一般在较新版本中使用，需要客户端库也支持SCRAM，且pg_hba.conf与pgcrypto支持)，需要修改pg_hba.conf(pg_hba.conf文件位置：/var/lib/pgsql/data/pg_hba.conf或/etc/postgresql/XX/main/pg_hba.conf)2、使用Ident/Peer认证。3、重启PostgreSQL。]]></description><category></category></item><item><title><![CDATA[K8S常用操作命令]]></title><link>https://blog.youkuaiyun.com/xwupiaomiao/article/details/150826034</link><guid>https://blog.youkuaiyun.com/xwupiaomiao/article/details/150826034</guid><author>xwupiaomiao</author><pubDate>Mon, 25 Aug 2025 09:47:00 +0800</pubDate><description><![CDATA[https://kubernetes.io/zh-cn/docs/concepts/overview/working-with-objects/field-selectors/     # k8s字段选择器。https://kubernetes.io/zh-cn/docs/reference/kubectl/generated/     # kubectl命令参考。]]></description><category></category></item><item><title><![CDATA[ip netns命令操作网络名称空间]]></title><link>https://blog.youkuaiyun.com/xwupiaomiao/article/details/148413264</link><guid>https://blog.youkuaiyun.com/xwupiaomiao/article/details/148413264</guid><author>xwupiaomiao</author><pubDate>Tue, 03 Jun 2025 09:45:00 +0800</pubDate><description><![CDATA[1、虚拟网络名称空间基本操作命令。2、2个虚拟网络名称空间互通。3、多个虚拟网络名称空间互通。]]></description><category></category></item><item><title><![CDATA[Python for循环技巧]]></title><link>https://blog.youkuaiyun.com/xwupiaomiao/article/details/147937859</link><guid>https://blog.youkuaiyun.com/xwupiaomiao/article/details/147937859</guid><author>xwupiaomiao</author><pubDate>Tue, 13 May 2025 17:03:00 +0800</pubDate><description><![CDATA[【代码】Python for循环技巧。]]></description><category></category></item><item><title><![CDATA[使用python http模块实现上传下载]]></title><link>https://blog.youkuaiyun.com/xwupiaomiao/article/details/147524738</link><guid>https://blog.youkuaiyun.com/xwupiaomiao/article/details/147524738</guid><author>xwupiaomiao</author><pubDate>Thu, 17 Apr 2025 15:18:00 +0800</pubDate><description><![CDATA[【代码】使用python http模块实现上传下载。]]></description><category></category></item><item><title><![CDATA[Python操作Sqlite3]]></title><link>https://blog.youkuaiyun.com/xwupiaomiao/article/details/147524739</link><guid>https://blog.youkuaiyun.com/xwupiaomiao/article/details/147524739</guid><author>xwupiaomiao</author><pubDate>Wed, 02 Apr 2025 14:26:00 +0800</pubDate><description><![CDATA[https://www.toutiao.com/article/7471615185578213924/     # Faker库构建测试数据。https://www.cnblogs.com/paleDream/p/16626311.html       # Faker库构建测试数据。https://github.com/lk-geimfari/mimesis       # mimesis库构建测试数据。使用executemany()批量插入数据。定期进行数据库分析和优化。1、使用上下文管理器。]]></description><category></category></item><item><title><![CDATA[python webssh]]></title><link>https://blog.youkuaiyun.com/xwupiaomiao/article/details/147524737</link><guid>https://blog.youkuaiyun.com/xwupiaomiao/article/details/147524737</guid><author>xwupiaomiao</author><pubDate>Tue, 18 Mar 2025 16:38:00 +0800</pubDate><description><![CDATA[https://www.cnblogs.com/LyShark/p/16758172.html      # Flask框架运用SocketIO实现WebSSH。1、使用Docker部署WebSSH。]]></description><category></category></item><item><title><![CDATA[Linux系统管理程序]]></title><link>https://blog.youkuaiyun.com/xwupiaomiao/article/details/145583100</link><guid>https://blog.youkuaiyun.com/xwupiaomiao/article/details/145583100</guid><author>xwupiaomiao</author><pubDate>Tue, 11 Feb 2025 11:22:00 +0800</pubDate><description><![CDATA[#!/bin/bash

TITLE="Linux系统管理程序"
#LOGFILE="/var/log/system_status.log"

# 查询CPU使用率
function cpu_usage() {  
    #echo "---- CPU 使用情况 ----" &gt;&gt; $LOGFILE  
    #top -bn1 | grep "Cpu(s)" | awk '{p...]]></description><category></category></item><item><title><![CDATA[自动发送微信消息]]></title><link>https://blog.youkuaiyun.com/xwupiaomiao/article/details/145505678</link><guid>https://blog.youkuaiyun.com/xwupiaomiao/article/details/145505678</guid><author>xwupiaomiao</author><pubDate>Fri, 07 Feb 2025 13:59:00 +0800</pubDate><description><![CDATA[#!/usr/bin/env python
# -*- coding:utf-8 -*-
# __author__ =
# pip install wxauto
# pip install schedule
# pip install itchat 该模块已不能使用

"""
import schedule
import time

def job():
    print("我在这里工作.....]]></description><category></category></item><item><title><![CDATA[openvswitch部署]]></title><link>https://blog.youkuaiyun.com/xwupiaomiao/article/details/144227771</link><guid>https://blog.youkuaiyun.com/xwupiaomiao/article/details/144227771</guid><author>xwupiaomiao</author><pubDate>Tue, 03 Dec 2024 17:24:00 +0800</pubDate><description><![CDATA[CentOS7安装openvswitch

yum install epel-release -y
wget --no-check-certificate https://www.openvswitch.org/releases/openvswitch-2.11.1.tar.gz
# 生成rpmbuild目录
rpmbuild -bb --nocheck /root/rpmbuild/SOURC...]]></description><category></category></item><item><title><![CDATA[Python并发示例脚本]]></title><link>https://blog.youkuaiyun.com/xwupiaomiao/article/details/143756220</link><guid>https://blog.youkuaiyun.com/xwupiaomiao/article/details/143756220</guid><author>xwupiaomiao</author><pubDate>Wed, 13 Nov 2024 09:30:00 +0800</pubDate><description><![CDATA[1、使用theading模块实现
# ！/usr/bin/env python3
# -*- coding:utf-8 -*-
# __author__ =

import subprocess, json, os
import threading, queue

kubectl_cmd = '/usr/local/bin/kubectl'
node_roles = 'worker'
max_c...]]></description><category></category></item><item><title><![CDATA[jq命令总结]]></title><link>https://blog.youkuaiyun.com/xwupiaomiao/article/details/142237443</link><guid>https://blog.youkuaiyun.com/xwupiaomiao/article/details/142237443</guid><author>xwupiaomiao</author><pubDate>Fri, 13 Sep 2024 09:42:00 +0800</pubDate><description><![CDATA[常用示例

echo '{"OPT_STATUS": "SUCCESS","DATA": {"access_token": "eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9","expires_in": 3600,"token_type": "password","username": "admin"},"OPT_STATUS_CH": "成功","OPT_STAT...]]></description><category></category></item><item><title><![CDATA[Rocky Linux优化]]></title><link>https://blog.youkuaiyun.com/xwupiaomiao/article/details/140728111</link><guid>https://blog.youkuaiyun.com/xwupiaomiao/article/details/140728111</guid><author>xwupiaomiao</author><pubDate>Fri, 26 Jul 2024 09:23:00 +0800</pubDate><description><![CDATA[一、常用软件包安装

# 安装epel源
yum -y install epel-release
# 安装常用软件包
yum -y install wget vim bash-completion lrzsz nmap telnet tree net-tools bind-utils lsof

二、修改网卡名称为eth1、方法一(在安装系统时修改)：

# 进入启动菜单后按Tab键，在qui...]]></description><category></category></item><item><title><![CDATA[Python pandas模块]]></title><link>https://blog.youkuaiyun.com/xwupiaomiao/article/details/137281980</link><guid>https://blog.youkuaiyun.com/xwupiaomiao/article/details/137281980</guid><author>xwupiaomiao</author><pubDate>Wed, 27 Mar 2024 11:14:00 +0800</pubDate><description><![CDATA[1、转换python字典类型为dataframe

# ！/usr/bin/env python
# -*- coding:utf-8 -*-
# __author__ =
# pandas &gt;= 1.5.3

import pandas as pd

pydict = {'Dosage': '1.1.1.1,2.2.2.2,4.4.4.4,5.5.5.5', 'HalfLife': '6...]]></description><category></category></item><item><title><![CDATA[BCLinux]]></title><link>https://blog.youkuaiyun.com/xwupiaomiao/article/details/136012434</link><guid>https://blog.youkuaiyun.com/xwupiaomiao/article/details/136012434</guid><author>xwupiaomiao</author><pubDate>Tue, 30 Jan 2024 11:27:00 +0800</pubDate><description><![CDATA[1、BCLinux卸载license模块

rpm -qa | grep license
rpm -e --nodeps bclinux-license-manager-4.0-1.oe1.bclinux.x86_64 --noscripts
yum clean all &amp;&amp; yum makecache

2、修改密码策略

vim /etc/pam.d/system-auth
...]]></description><category></category></item><item><title><![CDATA[使用counter64解决通过SNMP获取网络流量数据不准问题]]></title><link>https://blog.youkuaiyun.com/xwupiaomiao/article/details/134284971</link><guid>https://blog.youkuaiyun.com/xwupiaomiao/article/details/134284971</guid><author>xwupiaomiao</author><pubDate>Tue, 07 Nov 2023 09:36:00 +0800</pubDate><description><![CDATA[网络流量实时速率是如何计算的？
首先我们要知道网络流量实时带宽是如何计算出来的，我们先拿接口流入流量来举例子。通过SNMP的ifInOctets键值，我们可以获取到接口流入数据量的累计总量。那么如果我们想要计算流入流量的带宽速率，只需要固定一个时间间隔(比如30s)，在前后分别获取一次累计总量，再计算差值，即可得出30s的流入数据量总量。这时候就是一个简单的速度计算了，数据总量差值/时间间隔，就...]]></description><category></category></item><item><title><![CDATA[zmail、smtplib、yagmail模块发邮件]]></title><link>https://blog.youkuaiyun.com/xwupiaomiao/article/details/133699224</link><guid>https://blog.youkuaiyun.com/xwupiaomiao/article/details/133699224</guid><author>xwupiaomiao</author><pubDate>Sun, 08 Oct 2023 13:58:00 +0800</pubDate><description><![CDATA[1、zmail发送邮件脚本

# ！/usr/bin/env python
# -*- coding:utf-8 -*-
# __author__ =
# https://www.jianshu.com/p/b9e11dbbc9cf
# https://github.com/zhangyunhao116/zmail/blob/master/README-cn.md
# pip install d...]]></description><category></category></item><item><title><![CDATA[netmiko模块]]></title><link>https://blog.youkuaiyun.com/xwupiaomiao/article/details/133648610</link><guid>https://blog.youkuaiyun.com/xwupiaomiao/article/details/133648610</guid><author>xwupiaomiao</author><pubDate>Mon, 25 Sep 2023 10:32:00 +0800</pubDate><description><![CDATA[#!/bin/python
# -*- coding:UTF-8 -*-
# pip install netmiko
from netmiko import ConnectHandler, SSHDetect
from netmiko.exceptions import NetMikoAuthenticationException, NetMikoTimeoutException
import...]]></description><category></category></item><item><title><![CDATA[使用openssl生成根证书和服务器证书]]></title><link>https://blog.youkuaiyun.com/xwupiaomiao/article/details/133648604</link><guid>https://blog.youkuaiyun.com/xwupiaomiao/article/details/133648604</guid><author>xwupiaomiao</author><pubDate>Mon, 25 Sep 2023 09:56:00 +0800</pubDate><description><![CDATA[1、生成服务器私钥

openssl genrsa -out server.key 2048

2、根据服务器私钥文件生成证书请求文件，这个文件中会包含申请人的一些信息，所以执行下面这行命令过程中需要用户在命令行输入一些用户信息，随便填写，一路回车即可

openssl req -new -key server.key -out server.csr
You are about to be as...]]></description><category></category></item></channel></rss>