17 个实用 shell 脚本，建议收藏

1、服务器系统配置初始化

 
 #/bin/bash
# 安装系统性能分析工具及其他
yum install gcc make autoconf vim sysstat net-tools  iostat  iftop iotp wget lrzsz lsof unzip openssh-clients net-tool vim ntpdate -y
# 设置时区并同步时间
ln -s /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
if !  crontab  -l |grep ntpdate &>/dev/null ; then
    (echo "* * * * ntpdate time.windows.com >/dev/null 2>&1";crontab -l) |crontab 
fi
 
# 禁用selinux
sed -i '/SELINUX/{s/permissive/disabled/}' /etc/selinux/config
 
# 关闭防火墙
if egrep ".[0-9]" /etc/redhat-release &>/dev/null; then
    systemctl stop firewalld
    systemctl disable firewalld
elif egrep ".[0-9]" /etc/redhat-release &>/dev/null; then
    service iptables stop
    chkconfig iptables off
fi
 
# 历史命令显示操作时间
if ! grep HISTTIMEFORMAT /etc/bashrc; then
    echo ' export  HISTTIMEFORMAT="%Y-%m-%d %H:%M:%S  `whoami` "' >> /etc/bashrc
fi
 
# SSH超时时间
if ! grep "TMOUT=" /etc/profile &>/dev/null; then
    echo "export TMOUT=" >> /etc/profile
fi
 
# 禁止 root 远程登录 切记给系统添加普通用户，给su到root的权限
sed -i 's/#PermitRootLogin yes/PermitRootLogin no/' /etc/ssh/sshd_config
 
# 禁止定时任务向发送邮件
sed -i 's/^MAILTO=root/MAILTO=""/' /etc/crontab 
 
# 设置最大打开文件数
if ! grep "* soft nofile" /etc/security/limits.conf &>/dev/null; then
cat >> /etc/security/limits.conf << EOF
    * soft nofile
    * hard nofile
 EOF 
fi
 
# 系统内核优化
cat >> /etc/sysctl.conf << EOF
net.ipv.tcp_syn cookies  = 1
net.ipv.tcp_max_tw_buckets = 20480
net.ipv.tcp_max_syn_backlog = 20480
net.core.netdev_max_backlog =
net.ipv.tcp_fin_timeout = 20  
EOF
 
# 减少SWAP使用
echo "" > /proc/sys/vm/swappiness

2、批量创建多个用户并设置密码

 
 #!/bin/bash
USER_LIST=$@
USER_FILE=./user.info
for USER in $USER_LIST;do
 if ! id $USER &>/dev/null; then
  PASS=$(echo $RANDOM |mdsum |cut -c 1-8)
  useradd $USER
  echo $PASS | passwd --stdin $USER &>/dev/null
  echo "$USER   $PASS" >> $USER_FILE
  echo "$USER User create successful."
 else
  echo "$USER User already  exists !"
 fi
done

3、一键查看服务器利用率

 
 #!/bin/bash
function cpu(){
 
 util=$(vmstat | awk '{if(NR==)print $13+$14}')
 iowait=$(vmstat | awk '{if(NR==)print $16}')
 echo "CPU -使用率：${util}% ,等待磁盘IO相应使用率：${iowait}:${iowait}%"
 
}
function memory (){
 
 total=`free -m |awk '{if(NR==)printf "%.1f",$2/1024}'`
    used=`free -m |awk '{if(NR==) printf "%.1f",($2-$NF)/1024}'`
    available=`free -m |awk '{if(NR==) printf "%.1f",$NF/1024}'`
     echo  "内存 - 总大小: ${total}G , 使用: ${used}G , 剩余: ${available}G"
}
disk(){
 
 fs=$(df -h |awk '/^\/dev/{print $}')
    for p in $fs; do
        mounted=$(df -h |awk '$=="'$p'"{print $NF}')
        size=$(df -h |awk '$=="'$p'"{print $2}')
        used=$(df -h |awk '$=="'$p'"{print $3}')
        used_percent=$(df -h |awk '$=="'$p'"{print $5}')
        echo "硬盘 - 挂载点: $mounted , 总大小: $size , 使用: $used , 使用率: $used_percent"
    done
 
}
function tcp_status() {
    summary=$(ss -antp |awk '{status[$]++}END{for(i in status) printf i":"status[i]" "}')
    echo "TCP连接状态 - $summary"
}
cpu
memory
disk
tcp_status

4、找出占用CPU 内存过高的进程

 
 #!/bin/bash
echo "-------------------CUP占用前排序--------------------------------"
ps -eo user,pid,pcpu,pmem,args --sort=-pcpu  |head -n
echo "-------------------内存占用前排序--------------------------------"
ps -eo user,pid,pcpu,pmem,args --sort=-pmem  |head -n

5、查看网卡的实时流量

 
 #!/bin/bash
eth=$1
echo  -e    "流量进入--流量传出    "
while true; do
 old_in=$(cat /proc/net/dev |grep $eth |awk '{print $2}')
 old_out=$(cat /proc/net/dev |grep $eth |awk '{print $10}')
 sleep
 new_in=$(cat /proc/net/dev |grep $eth |awk '{print $2}')
 new_out=$(cat /proc/net/dev |grep $eth |awk '{print $10}')
 in=$(printf "%.f%s" "$((($new_in-$old_in)/1024))" "KB/s")
 out=$(printf "%.f%s" "$((($new_out-$old_out)/1024))" "KB/s")
 echo "$in $out"
done

6、监控多台服务器磁盘利用率脚本

 
 #!/bin/bash
HOST_INFO=host.info
for IP in $(awk '/^[^#]/{print $}' $HOST_INFO); do
 #取出用户名和端口
    USER=$(awk -v ip=$IP 'ip==${print $2}' $HOST_INFO)
    PORT=$(awk -v ip=$IP 'ip==${print $3}' $HOST_INFO)
 #创建临时文件，保存信息
     TMP _FILE=/tmp/disk.tmp
 #通过公钥登录获取主机磁盘信息
    ssh -p $PORT $USER@$IP 'df -h' > $TMP_FILE
 #分析磁盘占用空间
    USE_RATE_LIST=$(awk 'BEGIN{OFS="="}/^\/dev/{print $NF,int($)}' $TMP_FILE)
 #循环磁盘列表，进行判断
    for USE_RATE in $USE_RATE_LIST; do
  #取出等号（=）右边的值 挂载点名称
        PART_NAME=${USE_RATE%=*}  
  #取出等号（=）左边的值  磁盘利用率
        USE_RATE=${USE_RATE#*=}
  #进行判断
        if [ $USE_RATE -ge ]; then
            echo "Warning: $PART_NAME Partition usage $USE_RATE%!"
    echo "服务器$IP的磁盘空间占用过高，请及时处理" | mail -s "空间不足警告" 你的qq@qq.com
  else
   echo "服务器$IP的$PART_NAME目录空间良好"
        fi
    done
done

7、批量检测网站是否异常并邮件通知

 
 #!/bin/bash  
URL_LIST="www.baidu.com www.ctnrs.com www.der-matech.net.cn www.der-matech.com.cn www.der-matech.cn www.der-matech.top www.der-matech.org"
for URL in $URL_LIST; do
    FAIL_COUNT=
    for ((i=;i<=3;i++)); do
        HTTP_CODE=$(curl -o /dev/null --connect-timeout -s -w "%{http_code}" $URL)
        if [ $HTTP_CODE -eq ]; then
            echo "$URL OK"
            break
        else
            echo "$URL retry $FAIL_COUNT"
            let FAIL_COUNT++
        fi
    done
    if [ $FAIL_COUNT -eq ]; then
        echo "Warning: $URL Access failure!"
  echo "网站$URL坏掉，请及时处理" | mail -s "$URL网站高危"@qq.com
    fi
done

8、批量主机远程执行命令脚本

 
 #!/bin/bash
COMMAND=$*
HOST_INFO=host.info
for IP in $(awk '/^[^#]/{print $}' $HOST_INFO); do
    USER=$(awk -v ip=$IP 'ip==${print $2}' $HOST_INFO)
    PORT=$(awk -v ip=$IP 'ip==${print $3}' $HOST_INFO)
    PASS=$(awk -v ip=$IP 'ip==${print $4}' $HOST_INFO)
    expect -c "
       spawn ssh -p $PORT $USER@$IP
       expect {
          \"(yes/no)\" {send \"yes\r\"; exp_continue}
          \"password:\" {send \"$PASS\r\"; exp_continue}
          \"$USER@*\" {send \"$COMMAND\r exit\r\"; exp_continue}
       }
    "
    echo "-------------------"
done

9、一键部署 LNMP 网站平台脚本

 
 #!/bin/bash
 Nginx _V=1.15.6
PHP_V=.6.36
TMP_DIR=/tmp
 
INSTALL_DIR=/usr/local
 
PWD_C=$PWD
 
echo
echo -e "\tMenu\n"
echo -e ". Install Nginx"
echo -e ". Install PHP"
echo -e ". Install MySQL"
echo -e ". Deploy LNMP"
echo -e ". Quit"
 
function command_status_check() {
 if [ $? -ne ]; then
  echo $
  exit
 fi 
}
 
function install_nginx() {
    cd $TMP_DIR
    yum install -y gcc gcc-c++ make openssl-devel pcre-devel wget
    wget {NGINX_V}.tar.gz
    tar zxf nginx-${NGINX_V}.tar.gz
    cd nginx-${NGINX_V}
    ./configure --prefix=$INSTALL_DIR/nginx \
    --with-http_ssl_module \
    --with-http_stub_status_module \
    --with-stream
    command_status_check "Nginx - 平台环境检查失败！"
    make -j 
    command_status_check "Nginx - 编译失败！"
    make install
    command_status_check "Nginx - 安装失败！"
    mkdir -p $INSTALL_DIR/nginx/conf/vhost
     alias  cp=cp ; cp -rf $PWD_C/nginx.conf $INSTALL_DIR/nginx/conf
    rm -rf $INSTALL_DIR/nginx/html/*
    echo "ok" > $INSTALL_DIR/nginx/html/status.html
    echo '<?php echo "ok"?>' > $INSTALL_DIR/nginx/html/status.php
    $INSTALL_DIR/nginx/sbin/nginx
    command_status_check "Nginx - 启动失败！"
}
 
function install_php() {
 cd $TMP_DIR
    yum install -y gcc gcc-c++ make gd-devel libxml-devel \
        libcurl-devel libjpeg-devel libpng-devel openssl-devel \
        libmcrypt-devel libxslt-devel libtidy-devel
    wget {PHP_V}.tar.gz
    tar zxf php-${PHP_V}.tar.gz
    cd php-${PHP_V}
    ./configure --prefix=$INSTALL_DIR/php \
    --with-config-file-path=$INSTALL_DIR/php/etc \
    --enable-fpm --enable-opcache \
    --with- MySQL  --with-mysqli --with-pdo-mysql \
    --with-openssl --with-zlib --with-curl --with-gd \
    --with-jpeg-dir --with-png-dir --with-freetype-dir \
    --enable-mbstring --enable-hash
    command_status_check "PHP - 平台环境检查失败！"
    make -j 
    command_status_check "PHP - 编译失败！"
    make install
    command_status_check "PHP - 安装失败！"
    cp php.ini-production $INSTALL_DIR/php/etc/php.ini
    cp sapi/fpm/php-fpm.conf $INSTALL_DIR/php/etc/php-fpm.conf
    cp sapi/fpm/init.d.php-fpm /etc/init.d/php-fpm
    chmod +x /etc/init.d/php-fpm
    /etc/init.d/php-fpm start
    command_status_check "PHP - 启动失败！"
}
 
read -p "请输入编号：" number
case $number in)
        install_nginx;;)
        install_php;;)
        install_mysql;;)
        install_nginx
        install_php
        ;;)
        exit;;
esac

10、监控MySQL主从同步状态是否异常脚本

 
 #!/bin/bash  
HOST=localhost
USER=root
PASSWD=.com
IO_SQL_STATUS=$(mysql -h$HOST -u$USER -p$PASSWD -e 'show slave status\G'>/dev/null |awk '/Slave_.*_Running:/{print $1$2}')
for i in $IO_SQL_STATUS; do
     THREAD _STATUS_NAME=${i%:*}
    THREAD_STATUS=${i#*:}
    if [ "$THREAD_STATUS" != "Yes" ]; then
        echo "Error: MySQL Master-Slave $THREAD_STATUS_NAME status is $THREAD_STATUS!" |mail -s "Master-Slave Staus" xxx@.com
    fi
done

11、MySql数据库备份脚本

分库备份

 
 mysqldump -uroot -pxxx -B A > A.sql
#!/bin/bash
DATE=$(date +%F_%H-%M-%S)
HOST=localhost
USER=backup
PASS=.com
BACKUP_DIR=/data/db_backup
DB_LIST=$(mysql -h$HOST -u$USER -p$PASS -s -e "show databases;">/dev/null |egrep -v "Database|information_schema|mysql|performance_schema|sys")
 
for DB in $DB_LIST; do
    BACKUP_NAME=$BACKUP_DIR/${DB}_${DATE}.sql
    if ! mysqldump -h$HOST -u$USER -p$PASS -B $DB > $BACKUP_NAME>/dev/null; then
        echo "$BACKUP_NAME 备份失败!"
    fi
done

分表备份

 
 mysqldump -uroot -pxxx -A t > t.sql
#!/bin/bash
DATE=$(date +%F_%H-%M-%S)
HOST=localhost
USER=backup
PASS=.com
BACKUP_DIR=/data/db_backup
DB_LIST=$(mysql -h$HOST -u$USER -p$PASS -s -e "show databases;">/dev/null |egrep -v "Database|information_schema|mysql|performance_schema|sys")
 
for DB in $DB_LIST; do
    BACKUP_DB_DIR=$BACKUP_DIR/${DB}_${DATE}
    [ ! -d $BACKUP_DB_DIR ] && mkdir -p $BACKUP_DB_DIR &>/dev/null
    TABLE_LIST=$(mysql -h$HOST -u$USER -p$PASS -s -e "use $DB;show tables;">/dev/null)
    for TABLE in $TABLE_LIST; do
        BACKUP_NAME=$BACKUP_DB_DIR/${TABLE}.sql 
        if ! mysqldump -h$HOST -u$USER -p$PASS $DB $TABLE > $BACKUP_NAME>/dev/null; then
            echo "$BACKUP_NAME 备份失败!"
        fi
    done
done

12、Nginx访问日志分析

 
 #!/bin/bash
# 日志格式: $remote_addr - $remote_user [$time_local] "$request" $status $body_bytes_sent "$http_referer" "$http_user_agent" "$http_x_forwarded_for"
LOG_FILE=$
echo "统计访问最多的个IP"
awk '{a[$]++}END{print "UV:",length(a);for(v in a)print v,a[v]}' $LOG_FILE |sort -k2 -nr |head -10
echo "----------------------"
 
echo "统计时间段访问最多的IP"
awk '$>="[01/Dec/2018:13:20:25" && $4<="[27/Nov/2018:16:20:49"{a[$1]++}END{for(v in a)print v,a[v]}' $LOG_FILE |sort -k2 -nr|head -10
echo "----------------------"
 
echo "统计访问最多的个页面"
awk '{a[$]++}END{print "PV:",length(a);for(v in a){if(a[v]>10)print v,a[v]}}' $LOG_FILE |sort -k2 -nr
echo "----------------------"
 
echo "统计访问页面状态码数量"
awk '{a[$" "$9]++}END{for(v in a){if(a[v]>5)print v,a[v]}}' $LOG_FILE |sort -k3 -nr

13、Nginx访问日志自动按天（周、月）切割

 
 #!/bin/bash
#nginx日志目录
LOG_DIR=/www/server/nginx/logs
#获取到上一天的时间
YESTERDAY_TIME=$(date -d "yesterday" +%F)
#归档日志取时间
LOG_MONTH_DIR=$LOG_DIR/$(date +"%Y-%m")
#归档日志的名称
LOG_FILE_LIST="access.log"
 
for LOG_FILE in $LOG_FILE_LIST; do
    [ ! -d $LOG_MONTH_DIR ] && mkdir -p $LOG_MONTH_DIR
    mv $LOG_DIR/$LOG_FILE $LOG_MONTH_DIR/${LOG_FILE}_${YESTERDAY_TIME}
done
 
kill -USR $(cat $LOG_DIR/nginx.pid)

14、自动发布Java项目（Tomcat）

 
 #!/bin/bash
DATE=$(date +%F_%T)
 
TOMCAT_NAME=$
TOMCAT_DIR=/usr/local/$TOMCAT_NAME
ROOT=$TOMCAT_DIR/webapps/ROOT
 
BACKUP_DIR=/data/backup
WORK_DIR=/tmp
PROJECT_NAME=tomcat-java-demo
 
# 拉取代码
cd $WORK_DIR
if [ ! -d $PROJECT_NAME ]; then
   git clone 
   cd $PROJECT_NAME
else
   cd $PROJECT_NAME
   git pull
fi
 
# 构建
mvn clean package -Dmaven.test.skip=true
if [ $? -ne ]; then
   echo "maven build failure!"
   exit
fi
 
# 部署
TOMCAT_PID=$(ps -ef |grep "$TOMCAT_NAME" |egrep -v "grep|$$" |awk 'NR=={print $2}')
[ -n "$TOMCAT_PID" ] && kill - $TOMCAT_PID
[ -d $ROOT ] && mv $ROOT $BACKUP_DIR/${TOMCAT_NAME}_ROOT$DATE
unzip $WORK_DIR/$PROJECT_NAME/target/*.war -d $ROOT
$TOMCAT_DIR/bin/startup.sh

15、自动发布PHP项目

 
 #!/bin/bash
 
DATE=$(date +%F_%T)
 
WWWROOT=/usr/local/nginx/html/$
 
 
BACKUP_DIR=/data/backup
WORK_DIR=/tmp
PROJECT_NAME=php-demo
 
 
# 拉取代码
cd $WORK_DIR
if [ ! -d $PROJECT_NAME ]; then
   git clone 
   cd $PROJECT_NAME
else
   cd $PROJECT_NAME
   git pull
fi
 
 
# 部署
if [ ! -d $WWWROOT ]; then
   mkdir -p $WWWROOT
   rsync -avz --exclude=.git $WORK_DIR/$PROJECT_NAME/* $WWWROOT
else
   rsync -avz --exclude=.git $WORK_DIR/$PROJECT_NAME/* $WWWROOT
fi

16、DOS攻击防范（自动屏蔽攻击IP）

 
 #!/bin/bash
DATE=$(date +%d/%b/%Y:%H:%M)
#nginx日志
LOG_FILE=/usr/local/nginx/logs/demo.access.log
#分析ip的访问情况
ABNORMAL_IP=$(tail -n $LOG_FILE |grep $DATE |awk '{a[$1]++}END{for(i in a)if(a[i]>10)print i}')
for IP in $ABNORMAL_IP; do
    if [ $(iptables -vnL |grep -c "$IP") -eq ]; then
        iptables -I INPUT -s $IP -j DROP
        echo "$(date +'%F_%T') $IP" >> /tmp/drop_ip.log
    fi
done

17、目录入侵检测与告警

 
 #!/bin/bash
 
MON_DIR=/opt
inotifywait -mqr --format %f -e create $MON_DIR |\
while read files; do
   #同步文件
   rsync -avz /opt /tmp/opt
  #检测文件是否被修改
   #echo "$(date +'%F %T') create $files" | mail -s "dir monitor" xxx@.com
done

	#/bin/bash
	# 安装系统性能分析工具及其他
	yum install gcc make autoconf vim sysstat net-tools iostat iftop iotp wget lrzsz lsof unzip openssh-clients net-tool vim ntpdate -y
	# 设置时区并同步时间
	ln -s /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
	if ! crontab -l \|grep ntpdate &>/dev/null ; then
	(echo "* * * * ntpdate time.windows.com >/dev/null 2>&1";crontab -l) \|crontab
	fi

	# 禁用selinux
	sed -i '/SELINUX/{s/permissive/disabled/}' /etc/selinux/config

	# 关闭防火墙
	if egrep ".[0-9]" /etc/redhat-release &>/dev/null; then
	systemctl stop firewalld
	systemctl disable firewalld
	elif egrep ".[0-9]" /etc/redhat-release &>/dev/null; then
	service iptables stop
	chkconfig iptables off
	fi

	# 历史命令显示操作时间
	if ! grep HISTTIMEFORMAT /etc/bashrc; then
	echo ' export HISTTIMEFORMAT="%Y-%m-%d %H:%M:%S `whoami` "' >> /etc/bashrc
	fi

	# SSH超时时间
	if ! grep "TMOUT=" /etc/profile &>/dev/null; then
	echo "export TMOUT=" >> /etc/profile
	fi

	# 禁止 root 远程登录切记给系统添加普通用户，给su到root的权限
	sed -i 's/#PermitRootLogin yes/PermitRootLogin no/' /etc/ssh/sshd_config

	# 禁止定时任务向发送邮件
	sed -i 's/^MAILTO=root/MAILTO=""/' /etc/crontab

	# 设置最大打开文件数
	if ! grep "* soft nofile" /etc/security/limits.conf &>/dev/null; then
	cat >> /etc/security/limits.conf << EOF
	* soft nofile
	* hard nofile
	EOF
	fi

	# 系统内核优化
	cat >> /etc/sysctl.conf << EOF
	net.ipv.tcp_syn cookies = 1
	net.ipv.tcp_max_tw_buckets = 20480
	net.ipv.tcp_max_syn_backlog = 20480
	net.core.netdev_max_backlog =
	net.ipv.tcp_fin_timeout = 20
	EOF

	# 减少SWAP使用
	echo "" > /proc/sys/vm/swappiness

	#!/bin/bash
	USER_LIST=$@
	USER_FILE=./user.info
	for USER in $USER_LIST;do
	if ! id $USER &>/dev/null; then
	PASS=$(echo $RANDOM \|mdsum \|cut -c 1-8)
	useradd $USER
	echo $PASS \| passwd --stdin $USER &>/dev/null
	echo "$USER $PASS" >> $USER_FILE
	echo "$USER User create successful."
	else
	echo "$USER User already exists !"
	fi
	done

	#!/bin/bash
	function cpu(){

	util=$(vmstat \| awk '{if(NR==)print $13+$14}')
	iowait=$(vmstat \| awk '{if(NR==)print $16}')
	echo "CPU -使用率：${util}% ,等待磁盘IO相应使用率：${iowait}:${iowait}%"

	}
	function memory (){

	total=`free -m \|awk '{if(NR==)printf "%.1f",$2/1024}'`
	used=`free -m \|awk '{if(NR==) printf "%.1f",($2-$NF)/1024}'`
	available=`free -m \|awk '{if(NR==) printf "%.1f",$NF/1024}'`
	echo "内存 - 总大小: ${total}G , 使用: ${used}G , 剩余: ${available}G"
	}
	disk(){

	fs=$(df -h \|awk '/^\/dev/{print $}')
	for p in $fs; do
	mounted=$(df -h \|awk '$=="'$p'"{print $NF}')
	size=$(df -h \|awk '$=="'$p'"{print $2}')
	used=$(df -h \|awk '$=="'$p'"{print $3}')
	used_percent=$(df -h \|awk '$=="'$p'"{print $5}')
	echo "硬盘 - 挂载点: $mounted , 总大小: $size , 使用: $used , 使用率: $used_percent"
	done

	}
	function tcp_status() {
	summary=$(ss -antp \|awk '{status[$]++}END{for(i in status) printf i":"status[i]" "}')
	echo "TCP连接状态 - $summary"
	}
	cpu
	memory
	disk
	tcp_status

	#!/bin/bash
	echo "-------------------CUP占用前排序--------------------------------"
	ps -eo user,pid,pcpu,pmem,args --sort=-pcpu \|head -n
	echo "-------------------内存占用前排序--------------------------------"
	ps -eo user,pid,pcpu,pmem,args --sort=-pmem \|head -n

	#!/bin/bash
	eth=$1
	echo -e "流量进入--流量传出 "
	while true; do
	old_in=$(cat /proc/net/dev \|grep $eth \|awk '{print $2}')
	old_out=$(cat /proc/net/dev \|grep $eth \|awk '{print $10}')
	sleep
	new_in=$(cat /proc/net/dev \|grep $eth \|awk '{print $2}')
	new_out=$(cat /proc/net/dev \|grep $eth \|awk '{print $10}')
	in=$(printf "%.f%s" "$((($new_in-$old_in)/1024))" "KB/s")
	out=$(printf "%.f%s" "$((($new_out-$old_out)/1024))" "KB/s")
	echo "$in $out"
	done

	#!/bin/bash
	HOST_INFO=host.info
	for IP in $(awk '/^[^#]/{print $}' $HOST_INFO); do
	#取出用户名和端口
	USER=$(awk -v ip=$IP 'ip==${print $2}' $HOST_INFO)
	PORT=$(awk -v ip=$IP 'ip==${print $3}' $HOST_INFO)
	#创建临时文件，保存信息
	TMP _FILE=/tmp/disk.tmp
	#通过公钥登录获取主机磁盘信息
	ssh -p $PORT $USER@$IP 'df -h' > $TMP_FILE
	#分析磁盘占用空间
	USE_RATE_LIST=$(awk 'BEGIN{OFS="="}/^\/dev/{print $NF,int($)}' $TMP_FILE)
	#循环磁盘列表，进行判断
	for USE_RATE in $USE_RATE_LIST; do
	#取出等号（=）右边的值挂载点名称
	PART_NAME=${USE_RATE%=*}
	#取出等号（=）左边的值磁盘利用率
	USE_RATE=${USE_RATE#*=}
	#进行判断
	if [ $USE_RATE -ge ]; then
	echo "Warning: $PART_NAME Partition usage $USE_RATE%!"
	echo "服务器$IP的磁盘空间占用过高，请及时处理" \| mail -s "空间不足警告" 你的qq@qq.com
	else
	echo "服务器$IP的$PART_NAME目录空间良好"
	fi
	done
	done

	#!/bin/bash
	URL_LIST="www.baidu.com www.ctnrs.com www.der-matech.net.cn www.der-matech.com.cn www.der-matech.cn www.der-matech.top www.der-matech.org"
	for URL in $URL_LIST; do
	FAIL_COUNT=
	for ((i=;i<=3;i++)); do
	HTTP_CODE=$(curl -o /dev/null --connect-timeout -s -w "%{http_code}" $URL)
	if [ $HTTP_CODE -eq ]; then
	echo "$URL OK"
	break
	else
	echo "$URL retry $FAIL_COUNT"
	let FAIL_COUNT++
	fi
	done
	if [ $FAIL_COUNT -eq ]; then
	echo "Warning: $URL Access failure!"
	echo "网站$URL坏掉，请及时处理" \| mail -s "$URL网站高危"@qq.com
	fi
	done

	#!/bin/bash
	COMMAND=$*
	HOST_INFO=host.info
	for IP in $(awk '/^[^#]/{print $}' $HOST_INFO); do
	USER=$(awk -v ip=$IP 'ip==${print $2}' $HOST_INFO)
	PORT=$(awk -v ip=$IP 'ip==${print $3}' $HOST_INFO)
	PASS=$(awk -v ip=$IP 'ip==${print $4}' $HOST_INFO)
	expect -c "
	spawn ssh -p $PORT $USER@$IP
	expect {
	\"(yes/no)\" {send \"yes\r\"; exp_continue}
	\"password:\" {send \"$PASS\r\"; exp_continue}
	\"$USER@*\" {send \"$COMMAND\r exit\r\"; exp_continue}
	}
	"
	echo "-------------------"
	done

	#!/bin/bash
	Nginx _V=1.15.6
	PHP_V=.6.36
	TMP_DIR=/tmp

	INSTALL_DIR=/usr/local

	PWD_C=$PWD

	echo
	echo -e "\tMenu\n"
	echo -e ". Install Nginx"
	echo -e ". Install PHP"
	echo -e ". Install MySQL"
	echo -e ". Deploy LNMP"
	echo -e ". Quit"

	function command_status_check() {
	if [ $? -ne ]; then
	echo $
	exit
	fi
	}

	function install_nginx() {
	cd $TMP_DIR
	yum install -y gcc gcc-c++ make openssl-devel pcre-devel wget
	wget {NGINX_V}.tar.gz
	tar zxf nginx-${NGINX_V}.tar.gz
	cd nginx-${NGINX_V}
	./configure --prefix=$INSTALL_DIR/nginx \
	--with-http_ssl_module \
	--with-http_stub_status_module \
	--with-stream
	command_status_check "Nginx - 平台环境检查失败！"
	make -j
	command_status_check "Nginx - 编译失败！"
	make install
	command_status_check "Nginx - 安装失败！"
	mkdir -p $INSTALL_DIR/nginx/conf/vhost
	alias cp=cp ; cp -rf $PWD_C/nginx.conf $INSTALL_DIR/nginx/conf
	rm -rf $INSTALL_DIR/nginx/html/*
	echo "ok" > $INSTALL_DIR/nginx/html/status.html
	echo '<?php echo "ok"?>' > $INSTALL_DIR/nginx/html/status.php
	$INSTALL_DIR/nginx/sbin/nginx
	command_status_check "Nginx - 启动失败！"
	}

	function install_php() {
	cd $TMP_DIR
	yum install -y gcc gcc-c++ make gd-devel libxml-devel \
	libcurl-devel libjpeg-devel libpng-devel openssl-devel \
	libmcrypt-devel libxslt-devel libtidy-devel
	wget {PHP_V}.tar.gz
	tar zxf php-${PHP_V}.tar.gz
	cd php-${PHP_V}
	./configure --prefix=$INSTALL_DIR/php \
	--with-config-file-path=$INSTALL_DIR/php/etc \
	--enable-fpm --enable-opcache \
	--with- MySQL --with-mysqli --with-pdo-mysql \
	--with-openssl --with-zlib --with-curl --with-gd \
	--with-jpeg-dir --with-png-dir --with-freetype-dir \
	--enable-mbstring --enable-hash
	command_status_check "PHP - 平台环境检查失败！"
	make -j
	command_status_check "PHP - 编译失败！"
	make install
	command_status_check "PHP - 安装失败！"
	cp php.ini-production $INSTALL_DIR/php/etc/php.ini
	cp sapi/fpm/php-fpm.conf $INSTALL_DIR/php/etc/php-fpm.conf
	cp sapi/fpm/init.d.php-fpm /etc/init.d/php-fpm
	chmod +x /etc/init.d/php-fpm
	/etc/init.d/php-fpm start
	command_status_check "PHP - 启动失败！"
	}

	read -p "请输入编号：" number
	case $number in)
	install_nginx;;)
	install_php;;)
	install_mysql;;)
	install_nginx
	install_php
	;;)
	exit;;
	esac

	#!/bin/bash
	HOST=localhost
	USER=root
	PASSWD=.com
	IO_SQL_STATUS=$(mysql -h$HOST -u$USER -p$PASSWD -e 'show slave status\G'>/dev/null \|awk '/Slave_.*_Running:/{print $1$2}')
	for i in $IO_SQL_STATUS; do
	THREAD _STATUS_NAME=${i%:*}
	THREAD_STATUS=${i#*:}
	if [ "$THREAD_STATUS" != "Yes" ]; then
	echo "Error: MySQL Master-Slave $THREAD_STATUS_NAME status is $THREAD_STATUS!" \|mail -s "Master-Slave Staus" xxx@.com
	fi
	done

	mysqldump -uroot -pxxx -B A > A.sql
	#!/bin/bash
	DATE=$(date +%F_%H-%M-%S)
	HOST=localhost
	USER=backup
	PASS=.com
	BACKUP_DIR=/data/db_backup
	DB_LIST=$(mysql -h$HOST -u$USER -p$PASS -s -e "show databases;">/dev/null \|egrep -v "Database\|information_schema\|mysql\|performance_schema\|sys")

	for DB in $DB_LIST; do
	BACKUP_NAME=$BACKUP_DIR/${DB}_${DATE}.sql
	if ! mysqldump -h$HOST -u$USER -p$PASS -B $DB > $BACKUP_NAME>/dev/null; then
	echo "$BACKUP_NAME 备份失败!"
	fi
	done

	mysqldump -uroot -pxxx -A t > t.sql
	#!/bin/bash
	DATE=$(date +%F_%H-%M-%S)
	HOST=localhost
	USER=backup
	PASS=.com
	BACKUP_DIR=/data/db_backup
	DB_LIST=$(mysql -h$HOST -u$USER -p$PASS -s -e "show databases;">/dev/null \|egrep -v "Database\|information_schema\|mysql\|performance_schema\|sys")

	for DB in $DB_LIST; do
	BACKUP_DB_DIR=$BACKUP_DIR/${DB}_${DATE}
	[ ! -d $BACKUP_DB_DIR ] && mkdir -p $BACKUP_DB_DIR &>/dev/null
	TABLE_LIST=$(mysql -h$HOST -u$USER -p$PASS -s -e "use $DB;show tables;">/dev/null)
	for TABLE in $TABLE_LIST; do
	BACKUP_NAME=$BACKUP_DB_DIR/${TABLE}.sql
	if ! mysqldump -h$HOST -u$USER -p$PASS $DB $TABLE > $BACKUP_NAME>/dev/null; then
	echo "$BACKUP_NAME 备份失败!"
	fi
	done
	done

	#!/bin/bash
	# 日志格式: $remote_addr - $remote_user [$time_local] "$request" $status $body_bytes_sent "$http_referer" "$http_user_agent" "$http_x_forwarded_for"
	LOG_FILE=$
	echo "统计访问最多的个IP"
	awk '{a[$]++}END{print "UV:",length(a);for(v in a)print v,a[v]}' $LOG_FILE \|sort -k2 -nr \|head -10
	echo "----------------------"

	echo "统计时间段访问最多的IP"
	awk '$>="[01/Dec/2018:13:20:25" && $4<="[27/Nov/2018:16:20:49"{a[$1]++}END{for(v in a)print v,a[v]}' $LOG_FILE \|sort -k2 -nr\|head -10
	echo "----------------------"

	echo "统计访问最多的个页面"
	awk '{a[$]++}END{print "PV:",length(a);for(v in a){if(a[v]>10)print v,a[v]}}' $LOG_FILE \|sort -k2 -nr
	echo "----------------------"

	echo "统计访问页面状态码数量"
	awk '{a[$" "$9]++}END{for(v in a){if(a[v]>5)print v,a[v]}}' $LOG_FILE \|sort -k3 -nr

	#!/bin/bash
	#nginx日志目录
	LOG_DIR=/www/server/nginx/logs
	#获取到上一天的时间
	YESTERDAY_TIME=$(date -d "yesterday" +%F)
	#归档日志取时间
	LOG_MONTH_DIR=$LOG_DIR/$(date +"%Y-%m")
	#归档日志的名称
	LOG_FILE_LIST="access.log"

	for LOG_FILE in $LOG_FILE_LIST; do
	[ ! -d $LOG_MONTH_DIR ] && mkdir -p $LOG_MONTH_DIR
	mv $LOG_DIR/$LOG_FILE $LOG_MONTH_DIR/${LOG_FILE}_${YESTERDAY_TIME}
	done

	kill -USR $(cat $LOG_DIR/nginx.pid)

	#!/bin/bash
	DATE=$(date +%F_%T)

	TOMCAT_NAME=$
	TOMCAT_DIR=/usr/local/$TOMCAT_NAME
	ROOT=$TOMCAT_DIR/webapps/ROOT

	BACKUP_DIR=/data/backup
	WORK_DIR=/tmp
	PROJECT_NAME=tomcat-java-demo

	# 拉取代码
	cd $WORK_DIR
	if [ ! -d $PROJECT_NAME ]; then
	git clone
	cd $PROJECT_NAME
	else
	cd $PROJECT_NAME
	git pull
	fi

	# 构建
	mvn clean package -Dmaven.test.skip=true
	if [ $? -ne ]; then
	echo "maven build failure!"
	exit
	fi

	# 部署
	TOMCAT_PID=$(ps -ef \|grep "$TOMCAT_NAME" \|egrep -v "grep\|$$" \|awk 'NR=={print $2}')
	[ -n "$TOMCAT_PID" ] && kill - $TOMCAT_PID
	[ -d $ROOT ] && mv $ROOT $BACKUP_DIR/${TOMCAT_NAME}_ROOT$DATE
	unzip $WORK_DIR/$PROJECT_NAME/target/*.war -d $ROOT
	$TOMCAT_DIR/bin/startup.sh

	#!/bin/bash

	DATE=$(date +%F_%T)

	WWWROOT=/usr/local/nginx/html/$


	BACKUP_DIR=/data/backup
	WORK_DIR=/tmp
	PROJECT_NAME=php-demo


	# 拉取代码
	cd $WORK_DIR
	if [ ! -d $PROJECT_NAME ]; then
	git clone
	cd $PROJECT_NAME
	else
	cd $PROJECT_NAME
	git pull
	fi


	# 部署
	if [ ! -d $WWWROOT ]; then
	mkdir -p $WWWROOT
	rsync -avz --exclude=.git $WORK_DIR/$PROJECT_NAME/* $WWWROOT
	else
	rsync -avz --exclude=.git $WORK_DIR/$PROJECT_NAME/* $WWWROOT
	fi

	#!/bin/bash
	DATE=$(date +%d/%b/%Y:%H:%M)
	#nginx日志
	LOG_FILE=/usr/local/nginx/logs/demo.access.log
	#分析ip的访问情况
	ABNORMAL_IP=$(tail -n $LOG_FILE \|grep $DATE \|awk '{a[$1]++}END{for(i in a)if(a[i]>10)print i}')
	for IP in $ABNORMAL_IP; do
	if [ $(iptables -vnL \|grep -c "$IP") -eq ]; then
	iptables -I INPUT -s $IP -j DROP
	echo "$(date +'%F_%T') $IP" >> /tmp/drop_ip.log
	fi
	done

	#!/bin/bash

	MON_DIR=/opt
	inotifywait -mqr --format %f -e create $MON_DIR \|\
	while read files; do
	#同步文件
	rsync -avz /opt /tmp/opt
	#检测文件是否被修改
	#echo "$(date +'%F %T') create $files" \| mail -s "dir monitor" xxx@.com
	done