{"id":15049,"date":"2024-08-26T14:28:52","date_gmt":"2024-08-26T06:28:52","guid":{"rendered":"https:\/\/www.simcentric.com\/uncategorized-tc\/how-to-execute-remote-commands-on-multiple-hosts\/"},"modified":"2024-08-26T14:37:45","modified_gmt":"2024-08-26T06:37:45","slug":"how-to-execute-remote-commands-on-multiple-hosts","status":"publish","type":"post","link":"https:\/\/www.simcentric.com\/tc\/hong-kong-dedicated-server-tc\/how-to-execute-remote-commands-on-multiple-hosts\/","title":{"rendered":"\u5982\u4f55\u5728\u591a\u53f0\u4e3b\u6a5f\u4e0a\u57f7\u884c\u9060\u7aef\u547d\u4ee4?"},"content":{"rendered":"

[vc_row el_class=”blog-detail-section”][vc_column][vc_column_text]<\/p>\n

\u7cfb\u7d71\u7ba1\u7406\u54e1\u7d93\u5e38\u4f9d\u8cf4\u9ad8\u6548\u7684\u5de5\u5177\u4f86\u7c21\u5316\u65e5\u5e38\u4efb\u52d9,\u7279\u5225\u662f\u5c0d\u65bc\u7368\u7acb\u4f3a\u670d\u5668<\/a><\/strong>\u7528\u6236\u800c\u8a00\u3002Shell\u8173\u672c<\/a><\/strong>\u662f\u7cfb\u7d71\u7ba1\u7406\u54e1\u5de5\u5177\u7bb1\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u8cc7\u7522,\u63d0\u4f9b\u81ea\u52d5\u5316\u548c\u63d0\u9ad8\u751f\u7522\u529b\u3002\u672c\u6587\u4ecb\u7d39\u4e86\u6bcf\u500b\u7cfb\u7d71\u7ba1\u7406\u54e1\u90fd\u61c9\u8a72\u638c\u63e1\u7684\u4e94\u500b\u57fa\u672cshell\u8173\u672c\u3002<\/p>\n

[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text]<\/p>\n

1. MySQL\u4e3b\u5f9e\u540c\u6b65\u76e3\u63a7<\/strong><\/h2>\n

\u6b64\u8173\u672c\u76e3\u63a7MySQL\u4e3b\u5f9e\u540c\u6b65\u72c0\u614b,\u4e26\u5728\u6aa2\u6e2c\u5230\u4efb\u4f55\u7570\u5e38\u6642\u767c\u9001\u96fb\u5b50\u90f5\u4ef6\u8b66\u5831:<\/p>\n

#!\/bin\/bash\r\nHOST=localhost\r\nUSER=root\r\nPASSWD=123.com\r\nIO_SQL_STATUS=$(mysql -h$HOST -u$USER -p$PASSWD -e 'show slave status\\G' 2>\/dev\/null |awk '\/Slave_.*_Running:\/{print $1$2}')\r\nfor i in $IO_SQL_STATUS; do\r\n    THREAD_STATUS_NAME=${i%:*}\r\n    THREAD_STATUS=${i#*:}\r\n    if [ \"$THREAD_STATUS\" != \"Yes\" ]; then\r\n        echo \"Error: MySQL Master-Slave $THREAD_STATUS_NAME status is $THREAD_STATUS!\" |mail -s \"Master-Slave Staus\" xxx@163.com\r\n    fi\r\ndone<\/code><\/pre>\n
2. \u5373\u6642\u76ee\u9304\u76e3\u63a7\u548c\u6a94\u6848\u540c\u6b65<\/strong><\/h2>\n
\u6b64\u8173\u672c\u76e3\u63a7\u6307\u5b9a\u76ee\u9304\u7684\u8b8a\u5316\u4e26\u5373\u6642\u540c\u6b65\u6a94\u6848:<\/p>\n
#!\/bin\/bash\r\n\r\nMON_DIR=\/opt\r\ninotifywait -mqr --format %f -e create $MON_DIR |\\\r\nwhile read files; do\r\n   rsync -avz \/opt \/tmp\/opt\r\n   #echo \"$(date +'%F %T') create $files\" | mail -s \"dir monitor\" xxx@163.com\r\ndone<\/code><\/pre>\n
3. \u6279\u91cf\u5efa\u7acb\u7528\u6236\u4e26\u8a2d\u7f6e\u5bc6\u78bc<\/strong><\/h2>\n
\u6b64\u8173\u672c\u53ef\u4ee5\u5efa\u7acb\u591a\u500b\u7528\u6236\u4e26\u751f\u6210\u96a8\u6a5f\u5bc6\u78bc:<\/p>\n
#!\/bin\/bash\r\nDATE=$@\r\nUSER_FILE=user.txt\r\nfor USER in $USER_LIST; do\r\n    if ! id $USER &>\/dev\/null; then\r\n        PASS=$(echo $RANDOM |md5sum |cut -c 1-8)\r\n        useradd $USER\r\n        echo $PASS |passwd --stdin $USER &>\/dev\/null\r\n        echo \"$USER   $PASS\" >> $USER_FILE\r\n        echo \"$USER User create successful.\"\r\n    else\r\n        echo \"$USER User already exists!\"\r\n    fi\r\ndone<\/code><\/pre>\n
[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text]<\/p>\n
4. \u6279\u91cf\u6aa2\u67e5\u7db2\u7ad9\u53ef\u7528\u6027<\/strong><\/h2>\n
\u6b64\u8173\u672c\u6aa2\u67e5\u591a\u500b\u7db2\u7ad9\u7684\u53ef\u7528\u6027\u4e26\u5831\u544a\u4efb\u4f55\u8a2a\u554f\u5931\u6557:<\/p>\n
#!\/bin\/bash\r\nURL_LIST=\"www.baidu.com www.ctnrs.com\"\r\nfor URL in $URL_LIST; do\r\n    FAIL_COUNT=0\r\n    for ((i=1;i<=3;i++)); do\r\n        HTTP_CODE=$(curl -o \/dev\/null --connect-timeout 3 -s -w \"%{http_code}\" $URL)\r\n        if [ $HTTP_CODE -eq 200 ]; then\r\n            echo \"$URL OK\"\r\n            break\r\n        else\r\n            echo \"$URL retry $FAIL_COUNT\"\r\n            let FAIL_COUNT++\r\n        fi\r\n    done\r\n    if [ $FAIL_COUNT -eq 3 ]; then\r\n        echo \"Warning: $URL Access failure!\"\r\n    fi\r\ndone<\/code><\/pre>\n
5. \u5728\u591a\u53f0\u4e3b\u6a5f\u4e0a\u57f7\u884c\u9060\u7aef\u547d\u4ee4<\/strong><\/h2>\n
\u6b64\u8173\u672c\u5141\u8a31\u5728\u591a\u53f0\u9060\u7aef\u4e3b\u6a5f\u4e0a\u57f7\u884c\u547d\u4ee4:<\/p>\n
#!\/bin\/bash\r\nCOMMAND=$*\r\nHOST_INFO=host.info\r\nfor IP in $(awk '\/^[^#]\/{print $1}' $HOST_INFO); do\r\n    USER=$(awk -v ip=$IP 'ip==$1{print $2}' $HOST_INFO)\r\n    PORT=$(awk -v ip=$IP 'ip==$1{print $3}' $HOST_INFO)\r\n    PASS=$(awk -v ip=$IP 'ip==$1{print $4}' $HOST_INFO)\r\n    expect -c \"\r\n       spawn ssh -p $PORT $USER@$IP\r\n       expect {\r\n          \\\"(yes\/no)\\\" {send \\\"yes\\r\\\"; exp_continue}\r\n          \\\"password:\\\" {send \\\"$PASS\\r\\\"; exp_continue}\r\n          \\\"$USER@*\\\" {send \\\"$COMMAND\\r exit\\r\\\"; exp_continue}\r\n       }\r\n    \"\r\n    echo \"-------------------\"\r\ndone<\/code><\/pre>\n
6. \u4e00\u9375\u90e8\u7f72LNMP\u7db2\u7ad9\u5e73\u53f0\u8173\u672c<\/strong><\/h2>\n
\u6b64\u8173\u672c\u5141\u8a31\u4e00\u9375\u90e8\u7f72LNMP(Linux, Nginx, MySQL, PHP)\u7db2\u7ad9\u5e73\u53f0:<\/p>\n
\r\n#!\/bin\/bash\r\nNGINX_V=1.15.6\r\nPHP_V=5.6.36\r\nTMP_DIR=\/tmp\r\n\r\nINSTALL_DIR=\/usr\/local\r\n\r\nPWD_C=$PWD\r\n\r\necho\r\necho -e \"\\t\u9078\u55ae\\n\"\r\necho -e \"1. \u5b89\u88ddNginx\"\r\necho -e \"2. \u5b89\u88ddPHP\"\r\necho -e \"3. \u5b89\u88ddMySQL\"\r\necho -e \"4. \u90e8\u7f72LNMP\"\r\necho -e \"9. \u9000\u51fa\"\r\n\r\nfunction command_status_check() {\r\n        if [ $? -ne 0 ]; then\r\n                echo $1\r\n                exit\r\n        fi\r\n}\r\n\r\nfunction install_nginx() {\r\n    cd $TMP_DIR\r\n    yum install -y gcc gcc-c++ make openssl-devel pcre-devel wget\r\n    wget http:\/\/nginx.org\/download\/nginx-${NGINX_V}.tar.gz\r\n    tar zxf nginx-${NGINX_V}.tar.gz\r\n    cd nginx-${NGINX_V}\r\n    .\/configure --prefix=$INSTALL_DIR\/nginx \\\r\n    --with-http_ssl_module \\\r\n    --with-http_stub_status_module \\\r\n    --with-stream\r\n    command_status_check \"Nginx - \u74b0\u5883\u6aa2\u67e5\u5931\u6557!\"\r\n    make -j 4\r\n    command_status_check \"Nginx - \u7de8\u8b6f\u5931\u6557!\"\r\n    make install\r\n    command_status_check \"Nginx - \u5b89\u88dd\u5931\u6557!\"\r\n    mkdir -p $INSTALL_DIR\/nginx\/conf\/vhost\r\n    alias cp=cp ; cp -rf $PWD_C\/nginx.conf $INSTALL_DIR\/nginx\/conf\r\n    rm -rf $INSTALL_DIR\/nginx\/html\/*\r\n    echo \"ok\" > $INSTALL_DIR\/nginx\/html\/status.html\r\n    echo '' > $INSTALL_DIR\/nginx\/html\/status.php\r\n    $INSTALL_DIR\/nginx\/sbin\/nginx\r\n    command_status_check \"Nginx - \u555f\u52d5\u5931\u6557!\"\r\n}\r\n\r\nfunction install_php() {\r\n        cd $TMP_DIR\r\n    yum install -y gcc gcc-c++ make gd-devel libxml2-devel \\\r\n        libcurl-devel libjpeg-devel libpng-devel openssl-devel \\\r\n        libmcrypt-devel libxslt-devel libtidy-devel\r\n    wget http:\/\/docs.php.net\/distributions\/php-${PHP_V}.tar.gz\r\n    tar zxf php-${PHP_V}.tar.gz\r\n    cd php-${PHP_V}\r\n    .\/configure --prefix=$INSTALL_DIR\/php \\\r\n    --with-config-file-path=$INSTALL_DIR\/php\/etc \\\r\n    --enable-fpm --enable-opcache \\\r\n    --with-mysql --with-mysqli --with-pdo-mysql \\\r\n    --with-openssl --with-zlib --with-curl --with-gd \\\r\n    --with-jpeg-dir --with-png-dir --with-freetype-dir \\\r\n    --enable-mbstring --enable-hash\r\n    command_status_check \"PHP - \u74b0\u5883\u6aa2\u67e5\u5931\u6557!\"\r\n    make -j 4\r\n    command_status_check \"PHP - \u7de8\u8b6f\u5931\u6557!\"\r\n    make install\r\n    command_status_check \"PHP - \u5b89\u88dd\u5931\u6557!\"\r\n    cp php.ini-production $INSTALL_DIR\/php\/etc\/php.ini\r\n    cp sapi\/fpm\/php-fpm.conf $INSTALL_DIR\/php\/etc\/php-fpm.conf\r\n    cp sapi\/fpm\/init.d.php-fpm \/etc\/init.d\/php-fpm\r\n    chmod +x \/etc\/init.d\/php-fpm\r\n    \/etc\/init.d\/php-fpm start\r\n    command_status_check \"PHP - \u555f\u52d5\u5931\u6557!\"\r\n}\r\n\r\nread -p \"\u8acb\u8f38\u5165\u4e00\u500b\u6578\u5b57: \" number\r\ncase $number in\r\n    1)\r\n        install_nginx;;\r\n    2)\r\n        install_php;;\r\n    3)\r\n        install_mysql;;\r\n    4)\r\n        install_nginx\r\n        install_php\r\n        ;;\r\n    9)\r\n        exit;;\r\nesac<\/code><\/pre>\n
[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text]<\/p>\n
7. \u4e00\u9375\u6aa2\u67e5\u4f3a\u670d\u5668\u8cc7\u6e90\u4f7f\u7528\u60c5\u6cc1<\/strong><\/h2>\n
\u6b64\u8173\u672c\u63d0\u4f9b\u4f3a\u670d\u5668\u8cc7\u6e90\u4f7f\u7528\u60c5\u6cc1\u7684\u5168\u9762\u6982\u89bd,\u5305\u62ecCPU\u3001\u8a18\u61b6\u9ad4\u3001\u78c1\u789f\u548cTCP\u9023\u63a5\u72c0\u614b:<\/p>\n
#!\/bin\/bash\r\nfunction cpu() {\r\n    NUM=1\r\n    while [ $NUM -le 3 ]; do\r\n        util=`vmstat |awk '{if(NR==3)print 100-$15\"%\"}'`\r\n        user=`vmstat |awk '{if(NR==3)print $13\"%\"}'`\r\n        sys=`vmstat |awk '{if(NR==3)print $14\"%\"}'`\r\n        iowait=`vmstat |awk '{if(NR==3)print $16\"%\"}'`\r\n        echo \"CPU - \u4f7f\u7528\u7387: $util , IO\u7b49\u5f85: $iowait\"\r\n        let NUM++\r\n        sleep 1\r\n    done\r\n}\r\n\r\nfunction memory() {\r\n    total=`free -m |awk '{if(NR==2)printf \"%.1f\",$2\/1024}'`\r\n    used=`free -m |awk '{if(NR==2) printf \"%.1f\",($2-$NF)\/1024}'`\r\n    available=`free -m |awk '{if(NR==2) printf \"%.1f\",$NF\/1024}'`\r\n    echo \"\u8a18\u61b6\u9ad4 - \u7e3d\u8a08: ${total}G , \u5df2\u7528: ${used}G , \u53ef\u7528: ${available}G\"\r\n}\r\n\r\nfunction disk() {\r\n    fs=$(df -h |awk '\/^\\\/dev\/{print $1}')\r\n    for p in $fs; do\r\n        mounted=$(df -h |awk '$1==\"'$p'\"{print $NF}')\r\n        size=$(df -h |awk '$1==\"'$p'\"{print $2}')\r\n        used=$(df -h |awk '$1==\"'$p'\"{print $3}')\r\n        used_percent=$(df -h |awk '$1==\"'$p'\"{print $5}')\r\n        echo \"\u78c1\u789f - \u639b\u8f09\u9ede: $mounted , \u7e3d\u5927\u5c0f: $size , \u5df2\u7528: $used , \u4f7f\u7528\u7387: $used_percent\"\r\n    done\r\n}\r\n\r\nfunction tcp_status() {\r\n    summary=$(ss -antp |awk '{status[$1]++}END{for(i in status) printf i\":\"status[i]\" \"}')\r\n    echo \"TCP\u9023\u63a5\u72c0\u614b - $summary\"\r\n}\r\n\r\ncpu\r\nmemory\r\ndisk\r\ntcp_status<\/code><\/pre>\n
8. \u67e5\u627e\u9ad8CPU\u548c\u8a18\u61b6\u9ad4\u4f7f\u7528\u9032\u7a0b\u7684\u8173\u672c<\/strong><\/h2>\n
\u9019\u4e9b\u547d\u4ee4\u5e6b\u52a9\u8b58\u5225\u6d88\u8017CPU\u548c\u8a18\u61b6\u9ad4\u8cc7\u6e90\u6700\u591a\u7684\u9032\u7a0b:<\/p>\n
ps -eo user,pid,pcpu,pmem,args --sort=-pcpu  |head -n 10\r\n\r\nps -eo user,pid,pcpu,pmem,args --sort=-pmem  |head -n 10<\/code><\/pre>\n
9. \u81ea\u52d5\u5316Java\u5c08\u6848\u90e8\u7f72(Tomcat)<\/strong><\/h2>\n
\u6b64\u8173\u672c\u81ea\u52d5\u5316\u4e86\u5c07Java\u5c08\u6848\u90e8\u7f72\u5230Tomcat\u4f3a\u670d\u5668\u7684\u904e\u7a0b,\u5305\u62ec\u4ee3\u78bc\u62c9\u53d6\u3001\u69cb\u5efa\u548c\u90e8\u7f72:<\/p>\n
#!\/bin\/bash\r\nDATE=$(date +%F_%T)\r\n\r\nTOMCAT_NAME=$1\r\nTOMCAT_DIR=\/usr\/local\/$TOMCAT_NAME\r\nROOT=$TOMCAT_DIR\/webapps\/ROOT\r\n\r\nBACKUP_DIR=\/data\/backup\r\nWORK_DIR=\/tmp\r\nPROJECT_NAME=tomcat-java-demo\r\n\r\n# \u62c9\u53d6\u4ee3\u78bc\r\ncd $WORK_DIR\r\nif [ ! -d $PROJECT_NAME ]; then\r\n   git clone https:\/\/github.com\/lizhenliang\/tomcat-java-demo\r\n   cd $PROJECT_NAME\r\nelse\r\n   cd $PROJECT_NAME\r\n   git pull\r\nfi\r\n\r\n# \u69cb\u5efa\r\nmvn clean package -Dmaven.test.skip=true\r\nif [ $? -ne 0 ]; then\r\n   echo \"maven\u69cb\u5efa\u5931\u6557!\"\r\n   exit 1\r\nfi\r\n\r\n# \u90e8\u7f72\r\nTOMCAT_PID=$(ps -ef |grep \"$TOMCAT_NAME\" |egrep -v \"grep|$$\" |awk 'NR==1{print $2}')\r\n[ -n \"$TOMCAT_PID\" ] && kill -9 $TOMCAT_PID\r\n[ -d $ROOT ] && mv $ROOT $BACKUP_DIR\/${TOMCAT_NAME}_ROOT$DATE\r\nunzip $WORK_DIR\/$PROJECT_NAME\/target\/*.war -d $ROOT\r\n$TOMCAT_DIR\/bin\/startup.sh<\/code><\/pre>\n
10. \u81ea\u52d5\u5316PHP\u5c08\u6848\u90e8\u7f72\u8173\u672c<\/strong><\/h2>\n
\u6b64\u8173\u672c\u7c21\u5316\u4e86PHP\u5c08\u6848\u7684\u90e8\u7f72,\u8655\u7406\u4ee3\u78bc\u6aa2\u7d22\u4e26\u90e8\u7f72\u5230\u6307\u5b9a\u7684Web\u6839\u76ee\u9304:<\/p>\n
#!\/bin\/bash\r\nDATE=$(date +%F_%T)\r\n\r\nWWWROOT=\/usr\/local\/nginx\/html\/$1\r\n\r\nBACKUP_DIR=\/data\/backup\r\nWORK_DIR=\/tmp\r\nPROJECT_NAME=php-demo\r\n\r\n# \u62c9\u53d6\u4ee3\u78bc\r\ncd $WORK_DIR\r\nif [ ! -d $PROJECT_NAME ]; then\r\n   git clone https:\/\/github.com\/lizhenliang\/php-demo\r\n   cd $PROJECT_NAME\r\nelse\r\n   cd $PROJECT_NAME\r\n   git pull\r\nfi\r\n\r\n# \u90e8\u7f72\r\nif [ ! -d $WWWROOT ]; then\r\n   mkdir -p $WWWROOT\r\n   rsync -avz --exclude=.git $WORK_DIR\/$PROJECT_NAME\/* $WWWROOT\r\nelse\r\n   rsync -avz --exclude=.git $WORK_DIR\/$PROJECT_NAME\/* $WWWROOT\r\nfi<\/code><\/pre>\n
\u9019\u4e9b\u984d\u5916\u7684Shell\u8173\u672c<\/a><\/strong>\u88dc\u5145\u4e86\u4e4b\u524d\u7684\u96c6\u5408,\u6db5\u84cb\u4e86\u7cfb\u7d71\u7ba1\u7406\u7684\u95dc\u9375\u65b9\u9762,\u5982\u8cc7\u6e90\u76e3\u63a7\u3001\u5099\u4efd\u3001\u65e5\u8a8c\u7ba1\u7406\u3001\u5b89\u5168\u66f4\u65b0\u548c\u7db2\u8def\u6383\u63cf\u3002\u5c07\u9019\u4e9b\u8173\u672c\u7d0d\u5165\u60a8\u7684\u65e5\u5e38\u5de5\u4f5c\u4e2d,\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6548\u7387\u4e26\u7dad\u8b77\u66f4\u5065\u58ef\u548c\u5b89\u5168\u7684\u7cfb\u7d71\u57fa\u790e\u8a2d\u65bd\u3002<\/p>\n
\u8acb\u8a18\u4f4f\u67e5\u770b\u4e26\u81ea\u5b9a\u7fa9\u9019\u4e9b\u8173\u672c\u4ee5\u9069\u61c9\u60a8\u7684\u7279\u5b9a\u74b0\u5883\u548c\u9700\u6c42\u3002\u5b9a\u671f\u6e2c\u8a66\u548c\u66f4\u65b0\u5c0d\u78ba\u4fdd\u5b83\u5011\u6301\u7e8c\u6709\u6548\u81f3\u95dc\u91cd\u8981\u3002\u6709\u4e86\u9019\u4e9b\u5f37\u5927\u7684\u5de5\u5177,\u60a8\u5c07\u80fd\u5920\u8f15\u9b06\u7cbe\u78ba\u5730\u8655\u7406\u5404\u7a2e\u7cfb\u7d71\u7ba1\u7406\u4efb\u52d9\u3002<\/p>\n
[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"
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