diff --git a/MD/KVM批量管理脚本.txt b/MD/KVM批量管理脚本.txt
new file mode 100644
index 0000000..e8c6ab5
--- /dev/null
+++ b/MD/KVM批量管理脚本.txt
@@ -0,0 +1,271 @@
+#!/usr/bin/bash
+list(){
+        echo "|--------------------------------|"
+        echo "|---------批量管理工具箱-----------|"
+        echo "|----1.创建自定义配置单个虚拟机------|"
+        echo "|----2.批量创建自定义配置虚拟机------|"
+        echo "|----3.批量创建默认配置虚拟机--------|"
+        echo "|----4.删除虚拟机------------------|"
+        echo "|----5.退出-----------------------|"
+}
+dgchuangjian(){
+                read -p "请输入你的虚拟机名字" vm_name
+                read -p "请输入内存大小(MB)" memory
+                read -p "请输入cpu核数" vcpus
+                read -p "请输入磁盘大小(G): " disk_size
+                kvmuuid=`uuidgen`
+                #kvmmac=`openssl rand -hex 3| sed -r 's/..\B/&:/g'`
+                virsh define <(
+
+            cat <<EOF
+<domain type='kvm'>
+  <name>$vm_name</name>
+  <uuid>$kvmuuid</uuid>
+  <metadata>
+    <libosinfo:libosinfo xmlns:libosinfo="http://libosinfo.org/xmlns/libvirt/domain/1.0">
+      <libosinfo:os id="http://centos.org/centos/7.0"/>
+    </libosinfo:libosinfo>
+  </metadata>
+  <memory unit='KiB'>$(($memory * 1024))</memory>
+  <currentMemory unit='KiB'>2048000</currentMemory>
+  <vcpu placement='static'>$vcpus</vcpu>
+  <os>
+    <type arch='x86_64' machine='pc-q35-rhel9.4.0'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <features>
+    <acpi/>
+    <apic/>
+  </features>
+  <cpu mode='host-passthrough' check='none' migratable='on'/>
+  <clock offset='utc'>
+    <timer name='rtc' tickpolicy='catchup'/>
+    <timer name='pit' tickpolicy='delay'/>
+    <timer name='hpet' present='no'/>
+  </clock>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <pm>
+    <suspend-to-mem enabled='no'/>
+    <suspend-to-disk enabled='no'/>
+  </pm>
+  <devices>
+    <emulator>/usr/libexec/qemu-kvm</emulator>
+    <disk type='file' device='disk'>
+      <driver name='qemu' type='qcow2' discard='unmap'/>
+      <source file='/var/lib/libvirt/images/$vm_name.qcow2'/>
+      <target dev='vda' bus='virtio'/>
+      <address type='pci' domain='0x0000' bus='0x04' slot='0x00' function='0x0'/>
+    </disk>
+    <disk type='file' device='cdrom'>
+      <driver name='qemu' type='raw'/>
+      <target dev='sda' bus='sata'/>
+      <readonly/>
+      <address type='drive' controller='0' bus='0' target='0' unit='0'/>
+    </disk>
+    <controller type='usb' index='0' model='qemu-xhci' ports='15'>
+      <address type='pci' domain='0x0000' bus='0x02' slot='0x00' function='0x0'/>
+    </controller>
+    <controller type='pci' index='0' model='pcie-root'/>
+    <controller type='pci' index='1' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='1' port='0x10'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0' multifunction='on'/>
+    </controller>
+    <controller type='pci' index='2' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='2' port='0x11'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x1'/>
+    </controller>
+    <controller type='pci' index='3' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='3' port='0x12'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x2'/>
+    </controller>
+    <controller type='pci' index='4' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='4' port='0x13'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x3'/>
+    </controller>
+    <controller type='pci' index='5' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='5' port='0x14'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x4'/>
+    </controller>
+    <controller type='pci' index='6' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='6' port='0x15'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x5'/>
+    </controller>
+    <controller type='pci' index='7' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='7' port='0x16'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x6'/>
+    </controller>
+    <controller type='pci' index='8' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='8' port='0x17'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x7'/>
+    </controller>
+    <controller type='pci' index='9' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='9' port='0x18'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0' multifunction='on'/>
+    </controller>
+    <controller type='pci' index='10' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='10' port='0x19'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x1'/>
+    </controller>
+    <controller type='pci' index='11' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='11' port='0x1a'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x2'/>
+    </controller>
+    <controller type='pci' index='12' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='12' port='0x1b'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x3'/>
+    </controller>
+    <controller type='pci' index='13' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='13' port='0x1c'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x4'/>
+    </controller>
+    <controller type='pci' index='14' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='14' port='0x1d'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x5'/>
+    </controller>
+    <controller type='sata' index='0'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x1f' function='0x2'/>
+    </controller>
+    <controller type='virtio-serial' index='0'>
+      <address type='pci' domain='0x0000' bus='0x03' slot='0x00' function='0x0'/>
+    </controller>
+    <interface type='network'>
+      <mac address='52:54:00:c6:ca:2b'/>
+      <source network='default'/>
+      <model type='virtio'/>
+      <address type='pci' domain='0x0000' bus='0x01' slot='0x00' function='0x0'/>
+    </interface>
+    <serial type='pty'>
+      <target type='isa-serial' port='0'>
+        <model name='isa-serial'/>
+      </target>
+    </serial>
+    <console type='pty'>
+      <target type='serial' port='0'/>
+    </console>
+    <channel type='unix'>
+      <target type='virtio' name='org.qemu.guest_agent.0'/>
+      <address type='virtio-serial' controller='0' bus='0' port='1'/>
+    </channel>
+    <input type='tablet' bus='usb'>
+      <address type='usb' bus='0' port='1'/>
+    </input>
+    <input type='mouse' bus='ps2'/>
+    <input type='keyboard' bus='ps2'/>
+    <graphics type='vnc' port='-1' autoport='yes'>
+      <listen type='address'/>
+    </graphics>
+    <audio id='1' type='none'/>
+    <video>
+      <model type='vga' vram='16384' heads='1' primary='yes'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x0'/>
+    </video>
+    <watchdog model='itco' action='reset'/>
+    <memballoon model='virtio'>
+      <address type='pci' domain='0x0000' bus='0x05' slot='0x00' function='0x0'/>
+    </memballoon>
+    <rng model='virtio'>
+      <backend model='random'>/dev/urandom</backend>
+      <address type='pci' domain='0x0000' bus='0x06' slot='0x00' function='0x0'/>
+    </rng>
+  </devices>
+</domain>
+
+
+EOF
+
+        )
+
+        # 创建磁盘镜像
+
+        qemu-img create -f qcow2 /var/lib/libvirt/images/$vm_name.qcow2 $(($disk_size * 1024))G
+
+}
+
+plchuangjian(){
+                 read -p "请输入虚拟机数量: " count
+
+        for ((i=1; i<=$count; i++)); do
+
+                dgchuangjian
+
+        done
+}
+plchaungjian1(){
+                 read -p "请输入虚拟机数量: " count
+
+        for ((i=1; i<=$count; i++)); do
+
+                read -p "请输入虚拟机名称: " vm_name
+
+                memory=2097152
+
+                vcpus=2
+
+                disk_size=10
+
+                dgchuangjian
+
+        done
+}
+shanchu(){
+                virsh list --all | awk '/^.{2}/ { print $2 }'
+
+        read -p "请输入要删除的虚拟机名称: " vm_name
+
+        virsh destroy $vm_name
+
+        virsh undefine $vm_name
+
+        rm -f /var/lib/libvirt/images/$vm_name.qcow2
+
+        echo "虚拟机 '$vm_name' 已删除。"
+}
+tc(){
+        exit
+}
+while :
+do
+        list
+        read -p "请输入您的选项：(1/2/3/4/5)" num
+case $num in
+1)
+                dgchuangjian
+                sleep 3
+;;
+2)
+                plchuangjian
+                sleep 3
+;;
+3)
+                plchuangjian1
+                sleep 3
+;;
+4)
+                shanchu
+                sleep 3
+;;
+5)
+                tc
+                sleep 1
+;;
+*)
+        echo -e "\033[41;37m 请您按要求输入！！！！！！ \033[0m"
+;;
+esac
+done
\ No newline at end of file
diff --git a/MD/O.sh b/MD/O.sh
new file mode 100644
index 0000000..fcfa307
--- /dev/null
+++ b/MD/O.sh
@@ -0,0 +1,71 @@
+#/bin/bash
+#功能函数
+mem(){
+	mem_total=`free -m  |awk NR==2'{print $2}'`
+	mem_used=`free -m  |awk NR==2'{print $3}'`
+	mem_free=`free -m  |awk NR==2'{print $4}'`
+	mem_cache=`free -m  |awk NR==2'{print $6}'`
+	mem_s=$((${mem_used}*100/${mem_total}))
+	mem_f=$((100-$mem_s))
+	echo "内存的使用率： $mem_s"
+	echo "内存的总量: $mem_total"
+	echo "内存的空闲率: $mem_f"
+	echo "内存的缓存量: $mem_cache"
+	echo "内存的空闲量: $mem_free"
+}
+disk(){
+	read -p "请输入分区名称:" name
+	case $name in
+	"/")
+		echo `df -Th | awk NR==2'{print "总量:"$3,"使用:"$4,"空闲:"$5}'`
+	;; 
+	"/boot")
+		echo `df -Th | awk NR==7'{print "总量:"$3,"使用:"$4,"空闲:"$5}'`
+	;;
+	esac
+
+}
+system_info(){
+	cat /etc/redhat-release | awk '{print "系统版本号:"$4}'
+	echo "内核版本为:`uname -r`"
+	ip a | grep "2:" | awk -F: '{print "网卡名称:"$2}'
+	ip a | grep "cope global" | awk '{print $2}' |awk -F "/" '{print "IP地址是:"$1}'
+}
+cpu_info(){
+	w | awk -F:  NR==1'{print "CPU的平均负载:"$NF}'
+	vmstat | awk NR==3'{print "CPU空闲率:"$(NF-2)}'
+	cpu_id=`vmstat | awk NR==3'{print $(NF-2)}'`
+	cpu_free=$((100-$cpu_id))
+	echo "CPU使用率: $cpu_free"
+
+}
+install_yum(){
+	rm -rf /etc/yum.repos.d/*
+        curl -o /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo
+        curl -o /etc/yum.repos.d/epel.repo https://mirrors.aliyun.com/repo/epel-7.repo
+        yum clean all &>/dev/null
+        yum makecache fast &>/dev/nul
+}
+stop_firewalld(){
+	systemctl stop firewalld && systemctl disable firewalld &>/dev/null
+	setenforce 0 &>/dev/null
+	sed -i '/^SELINUX/c SELINUX=disabled' /etc/selinux/config
+
+}
+list(){
+cat <<EOF
+a: 内存使用情况
+b: 磁盘使用情况
+c: 服务器信息
+d: CPU使用情况
+e: YUM源更换
+f: 关闭防火墙
+q: 退出
+EOF
+}
+
+
+
+
+
+
diff --git a/MD/P.sh b/MD/P.sh
new file mode 100644
index 0000000..accde7e
--- /dev/null
+++ b/MD/P.sh
@@ -0,0 +1,30 @@
+#!/bin/bash
+source ./O.sh
+while :
+do
+	list
+	read -p "请输入您的选项:" num
+	case $num in
+	a)
+		mem
+	;;
+	b)
+		disk
+	;;
+	c)
+		system_info
+	;;
+	d)
+		cpu_info
+	;;
+	e)
+		install_yum
+	;;
+	f)
+		stop_firewalld
+	;;
+	q)
+		exit
+	;;
+	esac
+done
diff --git a/MD/xtrabackup.sh b/MD/xtrabackup.sh
new file mode 100644
index 0000000..618bdbd
--- /dev/null
+++ b/MD/xtrabackup.sh
@@ -0,0 +1,41 @@
+#!/usr/bin/env bash 
+#write by blackmed/xingdian
+#xtrabackup
+read -p "请输入mysql的root密码：" mima
+time=`date +%a`
+if [ "${time}" == "Mon" ];then
+	mkdir /backup/full -p
+	innobackupex --user=root --password=${mima} /backup/full/
+elif [ "${time}" == "Tue" ];then
+	cd /backup/full/;ls >/tmp/a.txt
+	mkdir /backup/zeng
+	file1=`cat /tmp/a.txt | sed '/^$/!h;$!d;g'`
+	innobackupex --user=root --password=${mima} --incremental /backup/zeng/ --incremental-basedir=/backup/full/${file1} 
+
+elif [ "${time}" == "Wed" ];then
+	cd /backup/zeng;ls >/tmp/a.txt
+	file2=`cat /tmp/a.txt | sed '/^$/!h;$!d;g'`
+	innobackupex --user=root --password=${mima} --incremental /backup/zeng/ --incremental-basedir=/backup/zeng/${file2}
+ 
+elif [ "${time}" == "Thu" ];then
+	cd /backup/zeng;ls >/tmp/a.txt
+	file3=`cat /tmp/a.txt | sed '/^$/!h;$!d;g'`
+	innobackupex --user=root --password=${mima} --incremental /backup/zeng/ --incremental-basedir=/backup/zeng/${file3}
+
+elif [ "${time}" == "Fri" ];then
+	cd /backup/zeng;ls >/tmp/a.txt
+	file4=`cat /tmp/a.txt | sed '/^$/!h;$!d;g'`
+	innobackupex --user=root --password=${mima} --incremental /backup/zeng/ --incremental-basedir=/backup/zeng/${file4}
+
+elif [ "${time}" == "Sat" ];then
+	cd /backup/zeng;ls >/tmp/a.txt
+	file5=`cat /tmp/a.txt | sed '/^$/!h;$!d;g'`
+	innobackupex --user=root --password=${mima} --incremental /backup/zeng/ --incremental-basedir=/backup/zeng/${file5}
+
+elif [ "${time}" == "Sun" ];then
+	cd /backup/zeng;ls >/tmp/a.txt
+	file6=`cat /tmp/a.txt | sed '/^$/!h;$!d;g'`
+	innobackupex --user=root --password=${mima} --incremental /backup/zeng/ --incremental-basedir=/backup/zeng/${file6}
+else 
+	echo ${time}
+fi
diff --git a/MD/zhuwenbao.sh b/MD/zhuwenbao.sh
new file mode 100644
index 0000000..cd986be
--- /dev/null
+++ b/MD/zhuwenbao.sh
@@ -0,0 +1,63 @@
+#!/usr/bin/bash
+#1判断路径是否存在及判断为目录或者文件
+#read -p "请输入文件的绝对路径: " file_dir
+#if [ -e $file_dir ] ; then
+#	if [ -d $file_dir ] ; then
+#		echo "$file_dir 为目录路径"
+#	else
+#		echo "$file_dir 为文件路径"
+#	fi
+#else
+#	echo "$file_dir 不存在"
+#fi
+##2判断IP是否能够被ping通
+#read -p "请输入一个IP: " ip_dir
+#ping -c 1 $id_dir &>/dev/null
+#if [ $? -eq 0 ] ; then
+#	echo "该IP:$ip_dir 可以被ping通" | mail -s "结果" 15630451592@163.com
+#else
+#	echo "该IP:$ip_dir 不可以被ping通" | mail -s "结果" 15630451592@163.com
+#fi
+##3配置NFS服务
+#systemctl stop firewalld
+#systemctl disable firewalld
+#setenforce 0
+#read -p "请输入一个对外共享的目录: " mkdir_dir
+#if [ -d $mkdir_dir ] ; then
+#	echo "该目录已存在可以直接设置为共享目录"
+#else
+#	mkdir $mkdir_dir -p
+#	echo "已创建新的共享目录"
+#fi
+#rpm -qa | grep nfs-utils
+#if [ $? -ne 0 ] ; then
+#	echo "该软件包正在安装..."
+#	yum -y install nfs-utils &>/dev/null
+#	systemctl start nfs
+#	systemctl enable nfs
+#	read -p "请输入共享IP或*: " ip_dir
+#	cat >>/etc/exports<<ABC
+#$mkdir_dir $ip_dir(ro,sync,no_root_squash)
+#ABC
+#	exportfs -rv &>/dev/null
+#	systemctl restart nfs
+#else
+#	echo "该软件包已安装"
+#fi
+##4删除空文件
+#read -p "请输入一个目录路径: " mkdir_dir4
+#file_ex_count=`find $mkdir_dir4 -empty | wc -l`
+#find $mkdir_dir4 -empty -delete &>/dev/null
+#echo "已删除所有空文件"
+#echo "空文件个数为$file_ex_count"
+#5报警脚本
+disk_size=`df -Th | grep centos-root | awk '{print $(NF-1)}' | awk -F'%' '{print $1}'`
+mem_total=`free -m | awk NR==2'{print $2}'`
+mem_used=`free -m | awk NR==2'{print $3}'`
+if [ $disk_size -gt 80 ]; then
+	echo "根分区剩余空间不足20%" | mail -s "disk_warn" alice@163.com
+fi
+mem_used_=$(($mem_used*100/$mem_total))
+if [ $mem_used_ -gt 80 ];then
+	echo "内存已用空间大于80%" | mail -s "mem_used" alice@163.com
+fi