1、监控 MySQL 主从同步状态是否异常脚本
#!/bin/bashHOST=localhostUSER=rootPASSWD=123.comIO_SQL_STATUS=$(mysql -h$HOST -u$USER -p$PASSWD -e 'show slave status\G' 2>/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" [url=mailto:xxx@163.com]xxx@163.com[/url] fidone2、目录文件变化监控和实时文件同步
#!/bin/bashMON_DIR=/optinotifywait -mqr --format %f -e create $MON_DIR |\while read files; do rsync -avz /opt /tmp/opt #echo "$(date +'%F %T') create $files" | mail -s "dir monitor" [url=mailto:xxx@163.com]xxx@163.com[/url]done3、批量创建 100 用户并设置密码脚本
#!/bin/bashDATE=$@USER_FILE=user.txtfor USER in $USER_LIST; do if ! id $USER &>/dev/null; then PASS=$(echo $RANDOM |md5sum |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!" fidone4、批量检测网站是否异常脚本
#!/bin/bashURL_LIST="www.baidu.com [url=http://www.ctnrs.com]www.ctnrs.com[/url]"for URL in $URL_LIST; do FAIL_COUNT=0 for ((i=1;i<=3;i++)); do HTTP_CODE=$(curl -o /dev/null --connect-timeout 3 -s -w "%{http_code}" $URL) if [ $HTTP_CODE -eq 200 ]; then echo "$URL OK" break else echo "$URL retry $FAIL_COUNT" let FAIL_COUNT++ fi done if [ $FAIL_COUNT -eq 3 ]; then echo "Warning: $URL Access failure!" fidone5、批量主机远程执行命令脚本
#!/bin/bashCOMMAND=$*HOST_INFO=host.infofor IP in $(awk '/^[^#]/{print $1}' $HOST_INFO); do USER=$(awk -v ip=$IP 'ip==$1{print $2}' $HOST_INFO) PORT=$(awk -v ip=$IP 'ip==$1{print $3}' $HOST_INFO) PASS=$(awk -v ip=$IP 'ip==$1{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 \"$COMMAND\r exit\r\"; exp_continue} } " echo "-------------------"done6、一键部署 LNMP 网站平台脚本
#!/bin/bashNGINX_V=1.15.6PHP_V=5.6.36TMP_DIR=/tmpINSTALL_DIR=/usr/localPWD_C=$PWDechoecho -e "\tMenu\n"echo -e "1. Install Nginx"echo -e "2. Install PHP"echo -e "3. Install MySQL"echo -e "4. Deploy LNMP"echo -e "9. Quit"function command_status_check() { if [ $? -ne 0 ]; then echo $1 exit fi}function install_nginx() { cd $TMP_DIR yum install -y gcc gcc-c++ make openssl-devel pcre-devel wget wget [url=http://nginx.org/download/nginx-]http://nginx.org/download/nginx-[/url]${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 4 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 $TMP_DIR yum install -y gcc gcc-c++ make gd-devel libxml2-devel \ libcurl-devel libjpeg-devel libpng-devel openssl-devel \ libmcrypt-devel libxslt-devel libtidy-devel wget [url=http://docs.php.net/distributions/php-]http://docs.php.net/distributions/php-[/url]${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 4 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：" numbercase $number in 1) install_nginx;; 2) install_php;; 3) install_mysql;; 4) install_nginx install_php ;; 9) exit;;esac7、一键查看服务器资源利用率
#!/bin/bashfunction cpu() { NUM=1 while [ $NUM -le 3 ]; do util=`vmstat |awk '{if(NR==3)print 100-$15"%"}'` user=`vmstat |awk '{if(NR==3)print $13"%"}'` sys=`vmstat |awk '{if(NR==3)print $14"%"}'` iowait=`vmstat |awk '{if(NR==3)print $16"%"}'` echo "CPU - 使用率: $util , 等待磁盘IO响应使用率: $iowait" let NUM++ sleep 1 done}function memory() { total=`free -m |awk '{if(NR==2)printf "%.1f",$2/1024}'` used=`free -m |awk '{if(NR==2) printf "%.1f",($2-$NF)/1024}'` available=`free -m |awk '{if(NR==2) printf "%.1f",$NF/1024}'` echo "内存 - 总大小: ${total}G , 使用: ${used}G , 剩余: ${available}G"}function disk() { fs=$(df -h |awk '/^\/dev/{print $1}') for p in $fs; do mounted=$(df -h |awk '$1=="'$p'"{print $NF}') size=$(df -h |awk '$1=="'$p'"{print $2}') used=$(df -h |awk '$1=="'$p'"{print $3}') used_percent=$(df -h |awk '$1=="'$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[$1]++}END{for(i in status) printf i":"status[i]" "}') echo "TCP连接状态 - $summary"}cpumemorydisktcp_status8、找出占用 CPU 内存过高的进程脚本
ps -eo user,pid,pcpu,pmem,args --sort=-pcpu |head -n 10ps -eo user,pid,pcpu,pmem,args --sort=-pmem |head -n 109、自动发布 Java 项目（Tomcat）
#!/bin/bashDATE=$(date +%F_%T)TOMCAT_NAME=$1TOMCAT_DIR=/usr/local/$TOMCAT_NAMEROOT=$TOMCAT_DIR/webapps/ROOTBACKUP_DIR=/data/backupWORK_DIR=/tmpPROJECT_NAME=tomcat-java-demo# 拉取代码cd $WORK_DIRif [ ! -d $PROJECT_NAME ]; then git clone [url=https://github.com/lizhenliang/tomcat-java-demo]https://github.com/lizhenliang/tomcat-java-demo[/url] cd $PROJECT_NAMEelse cd $PROJECT_NAME git pullfi# 构建mvn clean package -Dmaven.test.skip=trueif [ $? -ne 0 ]; then echo "maven build failure!" exit 1fi# 部署TOMCAT_PID=$(ps -ef |grep "$TOMCAT_NAME" |egrep -v "grep|$$" |awk 'NR==1{print $2}')[ -n "$TOMCAT_PID" ] && kill -9 $TOMCAT_PID[ -d $ROOT ] && mv $ROOT $BACKUP_DIR/${TOMCAT_NAME}_ROOT$DATEunzip $WORK_DIR/$PROJECT_NAME/target/*.war -d $ROOT$TOMCAT_DIR/bin/startup.sh10、自动发布 PHP 项目脚本
#!/bin/bashDATE=$(date +%F_%T)WWWROOT=/usr/local/nginx/html/$1BACKUP_DIR=/data/backupWORK_DIR=/tmpPROJECT_NAME=php-demo# 拉取代码cd $WORK_DIRif [ ! -d $PROJECT_NAME ]; then git clone [url=https://github.com/lizhenliang/php-demo]https://github.com/lizhenliang/php-demo[/url] cd $PROJECT_NAMEelse cd $PROJECT_NAME git pullfi# 部署if [ ! -d $WWWROOT ]; then mkdir -p $WWWROOT rsync -avz --exclude=.git $WORK_DIR/$PROJECT_NAME/* $WWWROOTelse rsync -avz --exclude=.git $WORK_DIR/$PROJECT_NAME/* $WWWROOTfi