<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[wyn_99的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/wyn_99</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; wyn_99]]></copyright><item><title><![CDATA[【无标题】]]></title><link>https://blog.youkuaiyun.com/wyn_99/article/details/149102283</link><guid>https://blog.youkuaiyun.com/wyn_99/article/details/149102283</guid><author>wyn_99</author><pubDate>Thu, 03 Jul 2025 20:51:03 +0800</pubDate><description><![CDATA[计算机硬件技术基础]]></description><category></category></item><item><title><![CDATA[linux重要及常用命令]]></title><link>https://blog.youkuaiyun.com/wyn_99/article/details/107053002</link><guid>https://blog.youkuaiyun.com/wyn_99/article/details/107053002</guid><author>wyn_99</author><pubDate>Tue, 30 Jun 2020 23:21:15 +0800</pubDate><description><![CDATA[Linux下的一些重要命令
du：&nbsp; &nbsp;单独使用时显示当前文件夹中所有文件（当前存在的）占系统数据块的情况
-a&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;显示所有文件对系统数据块的使用情况（包括子目录下所有文件和文件夹）
-b&nbsp; &nbsp; &nbsp; &nbsp; 显示数据块大小时以字节为单位
-c&nbsp; &nbsp; &nbsp; &nbsp; 显示数据块情况以及文件总和
-s&nbsp; &nbsp; &nbsp; &nbsp; 显示文]]></description><category></category></item><item><title><![CDATA[zabbix  4.0安装]]></title><link>https://blog.youkuaiyun.com/wyn_99/article/details/106012628</link><guid>https://blog.youkuaiyun.com/wyn_99/article/details/106012628</guid><author>wyn_99</author><pubDate>Sat, 09 May 2020 09:57:03 +0800</pubDate><description><![CDATA[zabbix  4.0安装
系统centos7
关闭防火墙
关闭selinux
登录
1 配置yum源 zabbix.repo
[zabbix]
name=Zabbix Official Repository - $basearch
baseurl=http://mirrors.aliyun.com/zabbix/zabbix/4.4/rhel/7/$basearch/
enabled=1
gpgcheck=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-ZABBI]]></description><category></category></item><item><title><![CDATA[elk的搭建]]></title><link>https://blog.youkuaiyun.com/wyn_99/article/details/105787700</link><guid>https://blog.youkuaiyun.com/wyn_99/article/details/105787700</guid><author>wyn_99</author><pubDate>Mon, 27 Apr 2020 12:02:59 +0800</pubDate><description><![CDATA[1 ELK平台搭建
两台虚拟机：192.168.44.134	
192.168.44.135
关闭防火墙，关闭selinux
systemctl stop firewalld
setenforce 0
配置文件系统优化（两台虚拟机都配置）
Vi /etc/security/limits.conf

在最后一行添加

vi /etc/sysctl.conf（两台虚拟机都配置）

拉入ELK.zip
...]]></description><category></category></item><item><title><![CDATA[Nginx源码安装启动及启动脚本]]></title><link>https://blog.youkuaiyun.com/wyn_99/article/details/105737536</link><guid>https://blog.youkuaiyun.com/wyn_99/article/details/105737536</guid><author>wyn_99</author><pubDate>Fri, 24 Apr 2020 18:31:41 +0800</pubDate><description><![CDATA[Nginx源码安装启动及启动脚本
Yum安装环境   yum -y install pcre-devel zlib-devel openssl openssl-devel gcc gcc-c++
关闭防火墙及selinux/	:	[root@localhost ~]# systemctl stop firewalld
[root@localhost ~]# setenforce 0

导入ngin...]]></description><category></category></item><item><title><![CDATA[shell  三剑客]]></title><link>https://blog.youkuaiyun.com/wyn_99/article/details/105714472</link><guid>https://blog.youkuaiyun.com/wyn_99/article/details/105714472</guid><author>wyn_99</author><pubDate>Thu, 23 Apr 2020 18:36:35 +0800</pubDate><description><![CDATA[shell三剑客
grep====================================================
grep 的全程为Global search Regular Expression  and Print out the line （类似windows 平台的ctrl+F）
#过滤出/etc/passwd 包含root的行
cat /etc/passwd|grep ...]]></description><category></category></item><item><title><![CDATA[zabbix安装部署及一键启动脚本]]></title><link>https://blog.youkuaiyun.com/wyn_99/article/details/105699504</link><guid>https://blog.youkuaiyun.com/wyn_99/article/details/105699504</guid><author>wyn_99</author><pubDate>Thu, 23 Apr 2020 09:15:15 +0800</pubDate><description><![CDATA[zabbix安装部署及一键启动脚本
1.导入zabbix源

2.安装zabbix包和数据库包

3.创建zabbix库授权用户

将sql语句导入数据库

编辑配置文件

更改时区

启动服务查看端口


Zabbix安装启动脚本：








...]]></description><category></category></item><item><title><![CDATA[网站域名检测]]></title><link>https://blog.youkuaiyun.com/wyn_99/article/details/105641869</link><guid>https://blog.youkuaiyun.com/wyn_99/article/details/105641869</guid><author>wyn_99</author><pubDate>Mon, 20 Apr 2020 18:42:12 +0800</pubDate><description><![CDATA[创建一个文件夹：mkdir curl.txt

编写脚本：

执行：


]]></description><category></category></item><item><title><![CDATA[通过封禁ip来解决ddos]]></title><link>https://blog.youkuaiyun.com/wyn_99/article/details/105641498</link><guid>https://blog.youkuaiyun.com/wyn_99/article/details/105641498</guid><author>wyn_99</author><pubDate>Mon, 20 Apr 2020 18:37:14 +0800</pubDate><description><![CDATA[通过封禁ip来解决ddos
mkdir dropip
在dropip中添加ip
获取连接数最多的前10个ip并临时写入文件dropip中
#!/bin/bash
netstat -an|grep ESTABLISHED|awk '{print $5}'|awk -F ':' {print $1}' |sort | uniq &gt;&gt; dropip
for ip in 'cat dropip...]]></description><category></category></item><item><title><![CDATA[检测mysql主从]]></title><link>https://blog.youkuaiyun.com/wyn_99/article/details/105641400</link><guid>https://blog.youkuaiyun.com/wyn_99/article/details/105641400</guid><author>wyn_99</author><pubDate>Mon, 20 Apr 2020 18:22:57 +0800</pubDate><description><![CDATA[检测mysql主从
系统环境：centos7
mysql主从已安装完毕
#!/bin/bash 
mysqL_shuzu=(`mysql -e "show slave status \G;" | grep "Running" | awk '{print $2}'`) 
echo ${mysql_shuzu[@]}
1f [ ${mysql_shuzu[0] == "Yes" -a ${mysql_...]]></description><category></category></item><item><title><![CDATA[猜数字,shell脚本]]></title><link>https://blog.youkuaiyun.com/wyn_99/article/details/105641179</link><guid>https://blog.youkuaiyun.com/wyn_99/article/details/105641179</guid><author>wyn_99</author><pubDate>Mon, 20 Apr 2020 18:17:24 +0800</pubDate><description><![CDATA[#!/bin/bash
ji=0
read -p "请输入一个数:"a
while true
do
sun=$(($RANDOM%100+0))
	if [ $sun -gt $a ];then
	echo "${sun}&gt;${a}隨机数大"
	elif [ $sun -lt $a ];then
	echo "${sun}&lt;${a}隨机数小"
		else
	echo "两数相等"
	...]]></description><category></category></item><item><title><![CDATA[expect ftp免交互]]></title><link>https://blog.youkuaiyun.com/wyn_99/article/details/105640911</link><guid>https://blog.youkuaiyun.com/wyn_99/article/details/105640911</guid><author>wyn_99</author><pubDate>Mon, 20 Apr 2020 18:01:04 +0800</pubDate><description><![CDATA[系统环境：centos7
yum安装expect：yum -y install expect
#!/usr/bin/expect
spawn ftp localhost
expect "name*"
send "ftp\r"
expect "ftp&gt;*"
send "cd pub/other\r"
expect "ftp&gt;*"
send "put /tmp/123.txt xo.txt...]]></description><category></category></item><item><title><![CDATA[expect  ssh免交互--vsftpd]]></title><link>https://blog.youkuaiyun.com/wyn_99/article/details/105640803</link><guid>https://blog.youkuaiyun.com/wyn_99/article/details/105640803</guid><author>wyn_99</author><pubDate>Mon, 20 Apr 2020 17:57:18 +0800</pubDate><description><![CDATA[系统环境：centos7
yum安装expect：yum -y install expect

#!/usr/bin/expect
spawn ssh root@192.168.44.131
expect {
        "(yes/no)?" {send "yes\r";}
        "password:" {send "123\r"}
        }
expect "]#"
se...]]></description><category></category></item><item><title><![CDATA[系统巡检脚本]]></title><link>https://blog.youkuaiyun.com/wyn_99/article/details/105640407</link><guid>https://blog.youkuaiyun.com/wyn_99/article/details/105640407</guid><author>wyn_99</author><pubDate>Mon, 20 Apr 2020 17:52:52 +0800</pubDate><description><![CDATA[#!/bin/bash
#日常巡检脚本包括
###########################################系统信息
os_check(){
#操作系统的类型
os_type=$(uname -r)
echo "系统类型为：${os_type}"
#操作系统的版本号
os_version=$(cat /etc/redhat-release)
echo "系统版本号为：${os...]]></description><category></category></item><item><title><![CDATA[MYSQL的主从复制+读写分离，检测MySQL主从小脚本简化]]></title><link>https://blog.youkuaiyun.com/wyn_99/article/details/105622866</link><guid>https://blog.youkuaiyun.com/wyn_99/article/details/105622866</guid><author>wyn_99</author><pubDate>Sun, 19 Apr 2020 21:50:06 +0800</pubDate><description><![CDATA[@mysql
一级目录
系统环境：centos7
主mysql上：
#cp  /etc/my.cnf  /etc/my.cnf.bak
#vi /etc/my.cnf

#service mysqld restart
登录MySQL
mysql&gt; grant all on . to ‘replication’@’%’ identified by ‘replication’;
mysql&g...]]></description><category></category></item><item><title><![CDATA[shell脚本简单检测网站是否存活！]]></title><link>https://blog.youkuaiyun.com/wyn_99/article/details/105586884</link><guid>https://blog.youkuaiyun.com/wyn_99/article/details/105586884</guid><author>wyn_99</author><pubDate>Fri, 17 Apr 2020 19:25:33 +0800</pubDate><description><![CDATA[检测网站是否存活！
编写一个url.txt文件（公司域名）


使用curl 命令 判断 访问网站的状态码（200为ok）
#vim url.sh
#!/bin/bash
check(){
code=curl -I -m 10 -o /dev/null -s -w %{http_code} http://${url}  (curl 命令)
if [ $code -eq 200 ];then  (i...]]></description><category></category></item><item><title><![CDATA[mendmail邮件的发送（简）]]></title><link>https://blog.youkuaiyun.com/wyn_99/article/details/105586828</link><guid>https://blog.youkuaiyun.com/wyn_99/article/details/105586828</guid><author>wyn_99</author><pubDate>Fri, 17 Apr 2020 19:15:01 +0800</pubDate><description><![CDATA[mendmail邮件的发送
yum安装sendmail

启动sendmail：service sendmail start
配置/etc/mail.rc:
vim /etc/mail.rc    在最后添加：
set smtp-auth-user=1342******@***.com #这里输入邮箱的账号
set smtp-auth-password=dgrk####这里是邮箱的授权码而不是密码...]]></description><category></category></item><item><title><![CDATA[shell脚本的基本应用与操作]]></title><link>https://blog.youkuaiyun.com/wyn_99/article/details/105581602</link><guid>https://blog.youkuaiyun.com/wyn_99/article/details/105581602</guid><author>wyn_99</author><pubDate>Fri, 17 Apr 2020 17:10:41 +0800</pubDate><description><![CDATA[shell脚本**shell脚本**二级目录三级目录
shell脚本
#！/bin/bash  （解释器）
#ifconfig
#shell  变量
name=""
二级目录
三级目录

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