{"id":962,"date":"2018-08-17T15:48:56","date_gmt":"2018-08-17T07:48:56","guid":{"rendered":"https:\/\/blog.jsjs.org\/?p=962"},"modified":"2018-08-17T15:48:56","modified_gmt":"2018-08-17T07:48:56","slug":"vps%e5%ae%89%e8%a3%85%e5%bc%80%e5%90%aftcp-bbr%e6%8f%90%e9%80%9f%e5%b7%a5%e5%85%b7","status":"publish","type":"post","link":"https:\/\/blog.jsjs.org\/?p=962","title":{"rendered":"VPS\u5b89\u88c5\u5f00\u542fTCP BBR\u63d0\u901f\u5de5\u5177"},"content":{"rendered":"\n<p>TCP BBR\u62e5\u585e\u63a7\u5236\u7b97\u6cd5(\u7b80\u79f0BBR)\uff0c\u53ef\u4ee5\u5e94\u7528\u5230\u5e38\u89c4\u7684KVM\u548cXEN\u67b6\u6784\u7684VPS\u3001\u670d\u52a1\u5668\u4e2d\uff0c\u7528\u6765\u63d0\u5347\u670d\u52a1\u5668\u4e0b\u8f7d\u7684\u901f\u5ea6\u3002\u56e0\u4e3a\u8981\u6d89\u53ca\u5230\u5185\u6838\u7684\u4fee\u6539\uff0cVultr\u4e2d\u6587\u7f51(<a href=\"http:\/\/www.cnvultr.com\/\" rel=\"noreferrer noopener\" target=\"_blank\">http:\/\/www.cnvultr.com\/<\/a>)\u5efa\u8bae\u6211\u4eec\u4f7f\u7528\u5728\u4e00\u4e9b\u975e\u7f51\u7ad9\u73af\u5883\u4e2d\u7684\u9879\u76ee\uff0c\u6bd4\u5982\u642d\u5efa\u7684\u8f6f\u4ef6\u5de5\u5177\u636e\u8bf4\u6709\u53ef\u4ee5\u8f83\u5927\u7684\u63d0\u9ad8\u901f\u5ea6\u3002<\/p>\n\n\n\n<p><strong>\u7b2c\u4e00\u3001\u9884\u5148\u51c6\u5907\u5de5\u4f5c<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>1\u3001\u9274\u4e8e\u5185\u6838\u7684\u4fee\u6539\u4e0d\u786e\u5b9a\u6027\uff0c\u6211\u4eec\u9700\u8981\u5728\u975e\u751f\u4ea7\u73af\u5883\u4e2d\u5b89\u88c5BBR\uff0c\u5982\u679c\u6709\u5176\u4ed6\u91cd\u8981\u6570\u636e\u7684\uff0c\u5efa\u8bae\u5907\u4efd\u3002\n2\u3001\u5982\u679c\u6ca1\u6709VPS\uff0c\u53ef\u4ee5\u6ce8\u518c\u8d26\u6237\uff0c\u53c2\u8003\"Vultr\u65b0\u6ce8\u518c\u4f18\u60e0\u7801(http:\/\/www.cnvultr.com\/15.html)\"\u4ee5\u53ca\"\u5f00\u901aVPS\u65b9\u6848(http:\/\/www.cnvultr.com\/22.html)\"\u3002\n3\u3001\u64cd\u4f5c\u7cfb\u7edf\u7c7b\u578b\uff1aCentOS7 64BIT\u3002<\/code><\/pre>\n\n\n\n<p><strong>\u7b2c\u4e8c\u3001\u5b89\u88c5BBR\u4e4b\u524d\u7684\u901f\u5ea6\u8bb0\u5f55<\/strong>\u00a0<br\/>\u8fd9\u91cc\u6211\u4eec\u5148\u4e0d\u53bb\u5b89\u88c5BBR\uff0c\u7528\u5de5\u5177\u6d4b\u8bd5\u770b\u770b\u6ca1\u6709\u5b89\u88c5BBR\u7684Vultr VPS\u7b80\u5355\u7684\u6027\u80fd\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/img-blog.csdn.net\/20170717135122665?watermark\/2\/text\/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvbTBfMzc4ODY0Mjk=\/font\/5a6L5L2T\/fontsize\/400\/fill\/I0JBQkFCMA==\/dissolve\/70\/gravity\/SouthEast\" alt=\"\u8fd9\u91cc\u5199\u56fe\u7247\u63cf\u8ff0\"\/><\/figure>\n\n\n\n<p>1\u3001\u968f\u673a\u8282\u70b9\u4e0b\u8f7d\u901f\u5ea6\u00a0<br\/><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/img-blog.csdn.net\/20170717140244857?watermark\/2\/text\/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvbTBfMzc4ODY0Mjk=\/font\/5a6L5L2T\/fontsize\/400\/fill\/I0JBQkFCMA==\/dissolve\/70\/gravity\/SouthEast\" alt=\"\u8fd9\u91cc\u5199\u56fe\u7247\u63cf\u8ff0\"\/><\/figure>\n\n\n\n<p>2\u3001\u89c6\u9891\u4e0b\u8f7d\u901f\u5ea6\u00a0<br\/><\/p>\n\n\n\n<p><strong>\u7b2c\u4e09\u3001\u4e00\u952e\u5b89\u88c5\u5b89\u88c5BBR\u5de5\u5177\u65b9\u6cd5<\/strong>\u00a0<br\/>\u8fd9\u91cc\u9009\u62e9\u4e00\u952e\u5b89\u88c5BBR\u811a\u672c\u5b89\u88c5\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>[root@linux-node1 ~]# cd \/usr\/local\/src\/\n<\/code><\/pre>\n\n\n<p>[root<span class=\"hljs-variable\" style=\"box-sizing: border-box; outline: 0px; color: rgb(79, 79, 79); word-break: break-all;\">@linux<\/span>-node1 src]<\/p>\n\n\n\n<p># wget &#8211;no-check-certificate https:\/\/github.com\/teddysun\/across\/raw\/master\/bbr.sh\n<\/p>\n\n\n<p>[root<span class=\"hljs-variable\" style=\"box-sizing: border-box; outline: 0px; color: rgb(79, 79, 79); word-break: break-all;\">@linux<\/span>-node1 src]<\/p>\n\n\n\n<p># chmod +x bbr.sh\n<\/p>\n\n\n<p>[root<span class=\"hljs-variable\" style=\"box-sizing: border-box; outline: 0px; color: rgb(79, 79, 79); word-break: break-all;\">@linux<\/span>-node1 src]<\/p>\n\n\n\n<p># bash bbr.sh<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>1<\/li><li>2<\/li><li>3<\/li><li>4<\/li><\/ul>\n\n\n\n<p>\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u6211\u4eec\u4f1a\u770b\u5230<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\"Info: The system needs to be restart. Do you want to reboot? [y\/n]\"\uff0c<\/code><\/pre>\n\n\n\n<p>\u7136\u540e\u8f93\u5165y\u56de\u8f66\uff0c\u91cd\u542f\u670d\u52a1\u5668\u3002<\/p>\n\n\n\n<p>\u57fa\u672c\u4e0a\u662f\u53ef\u4ee5\u5b89\u88c5\u6210\u529f\u7684\uff0c\u68c0\u67e5\u662f\u5426\u6210\u529f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>1\u3001uname -r\n\u8f93\u5165\u547d\u4ee4\uff0c\u67e5\u770b\u662f\u5426\u6709\u5185\u68384.9.0\u5185\u6838\uff0c\u6709\u5c31\u8bf4\u660e\u66f4\u6362\u5185\u6838\u4e86\u3002\n\n2\u3001sysctl net.ipv4.tcp_available_congestion_control\n\u8f93\u5165\u547d\u4ee4\uff0c\u7136\u540e\u770b\u662f\u5426\u6709\u8fd4\u56de\"net.ipv4.tcp_available_congestion_control = bbr cubic reno\"\n\n3\u3001lsmod | grep bbr\n\u8f93\u5165\u547d\u4ee4\uff0c\u662f\u5426\u770b\u5230BBR\u5b57\u6837<\/code><\/pre>\n\n\n\n<p>\u8fd9\u91cc\u6211\u4eec\u662f\u5b89\u88c5\u6210\u529f\u7684\u3002<\/p>\n\n\n\n<p><strong>\u7b2c\u56db\u3001\u5b89\u88c5BBR\u4e4b\u540e\u7684\u901f\u5ea6\u8bb0\u5f55<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/img-blog.csdn.net\/20170717135949029?watermark\/2\/text\/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvbTBfMzc4ODY0Mjk=\/font\/5a6L5L2T\/fontsize\/400\/fill\/I0JBQkFCMA==\/dissolve\/70\/gravity\/SouthEast\" alt=\"\u8fd9\u91cc\u5199\u56fe\u7247\u63cf\u8ff0\"\/><\/figure>\n\n\n\n<p>1\u3001\u968f\u673a\u8282\u70b9\u4e0b\u8f7d\u901f\u5ea6\u00a0<br\/><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/img-blog.csdn.net\/20170717140233161?watermark\/2\/text\/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvbTBfMzc4ODY0Mjk=\/font\/5a6L5L2T\/fontsize\/400\/fill\/I0JBQkFCMA==\/dissolve\/70\/gravity\/SouthEast\" alt=\"\u8fd9\u91cc\u5199\u56fe\u7247\u63cf\u8ff0\"\/><\/figure>\n\n\n\n<p>2\u3001\u89c6\u9891\u4e0b\u8f7d\u901f\u5ea6\u00a0<br\/><\/p>\n\n\n\n<p><strong>\u7b2c\u4e94\u3001Vultr\u5b89\u88c5BBR\u603b\u7ed3<\/strong>\u00a0<br\/>1\u3001\u5728CentOS 7\u4e2d\u5b89\u88c5TCP BBR\u8fd8\u662f\u6bd4\u8f83\u7b80\u5355\u7684\uff0c\u4e00\u952e\u5b89\u88c5\u3002\u00a0<br\/>2\u3001\u5b89\u88c5\u4e4b\u540e\uff0c\u968f\u673a\u4e0b\u8f7d\u901f\u5ea6\u57fa\u672c\u6ca1\u592a\u5927\u7684\u53d8\u5316\uff1b\u4f46\u5bf9\u4e8e\u89c6\u9891\u901f\u5ea6\u662f\u6709\u660e\u663e\u7684\u63d0\u9ad8\u3002<\/p>\n\n\n\n<p><strong>bbr.sh\u811a\u672c\u5185\u5bb9\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#!\/bin\/bash\n\nred='\\033[0;31m'\ngreen='\\033[0;32m'\nyellow='\\033[0;33m'\nplain='\\033[0m'\n\n[[ $EUID -ne 0 ]] &amp;&amp; echo -e \"${red}Error:${plain} This script must be run as root!\" &amp;&amp; exit 1\n[[ -d \"\/proc\/vz\" ]] &amp;&amp; echo -e \"${red}Error:${plain} Your VPS is based on OpenVZ, not be supported.\" &amp;&amp; exit 1\nif [ -f \/etc\/redhat-release ]; then\n    release=\"centos\"\nelif cat \/etc\/issue | grep -Eqi \"debian\"; then\n    release=\"debian\"\nelif cat \/etc\/issue | grep -Eqi \"ubuntu\"; then\n    release=\"ubuntu\"\nelif cat \/etc\/issue | grep -Eqi \"centos|red hat|redhat\"; then\n    release=\"centos\"\nelif cat \/proc\/version | grep -Eqi \"debian\"; then\n    release=\"debian\"\nelif cat \/proc\/version | grep -Eqi \"ubuntu\"; then\n    release=\"ubuntu\"\nelif cat \/proc\/version | grep -Eqi \"centos|red hat|redhat\"; then\n    release=\"centos\"\nfi\n\nget_latest_version() {\n    latest_version=$(wget -qO- http:\/\/kernel.ubuntu.com\/~kernel-ppa\/mainline\/ | awk -F'\\\"v' '\/v[4-9].\/{print $2}' | cut -d\/ -f1 | grep -v -  | sort -V | tail -1)\n    [ -z ${latest_version} ] &amp;&amp; return 1\n    if [[ `getconf WORD_BIT` == \"32\" &amp;&amp; `getconf LONG_BIT` == \"64\" ]]; then\n        deb_name=$(wget -qO- http:\/\/kernel.ubuntu.com\/~kernel-ppa\/mainline\/v${latest_version}\/ | grep \"linux-image\" | grep \"generic\" | awk -F'\\\">' '\/amd64.deb\/{print $2}' | cut -d'&lt;' -f1 | head -1)\n        deb_kernel_url=\"http:\/\/kernel.ubuntu.com\/~kernel-ppa\/mainline\/v${latest_version}\/${deb_name}\"\n        deb_kernel_name=\"linux-image-${latest_version}-amd64.deb\"\n    else\n        deb_name=$(wget -qO- http:\/\/kernel.ubuntu.com\/~kernel-ppa\/mainline\/v${latest_version}\/ | grep \"linux-image\" | grep \"generic\" | awk -F'\\\">' '\/i386.deb\/{print $2}' | cut -d'&lt;' -f1 | head -1)\n        deb_kernel_url=\"http:\/\/kernel.ubuntu.com\/~kernel-ppa\/mainline\/v${latest_version}\/${deb_name}\"\n        deb_kernel_name=\"linux-image-${latest_version}-i386.deb\"\n    fi\n    [ ! -z ${deb_name} ] &amp;&amp; return 0 || return 1\n}\n\nget_opsy() {\n    [ -f \/etc\/redhat-release ] &amp;&amp; awk '{print ($1,$3~\/^[0-9]\/?$3:$4)}' \/etc\/redhat-release &amp;&amp; return\n    [ -f \/etc\/os-release ] &amp;&amp; awk -F'[= \"]' '\/PRETTY_NAME\/{print $3,$4,$5}' \/etc\/os-release &amp;&amp; return\n    [ -f \/etc\/lsb-release ] &amp;&amp; awk -F'[=\"]+' '\/DESCRIPTION\/{print $2}' \/etc\/lsb-release &amp;&amp; return\n}\n\nopsy=$( get_opsy )\narch=$( uname -m )\nlbit=$( getconf LONG_BIT )\nkern=$( uname -r )\n\nget_char() {\n    SAVEDSTTY=`stty -g`\n    stty -echo\n    stty cbreak\n    dd if=\/dev\/tty bs=1 count=1 2> \/dev\/null\n    stty -raw\n    stty echo\n    stty $SAVEDSTTY\n}\n\ngetversion() {\n    if [[ -s \/etc\/redhat-release ]]; then\n        grep -oE  \"[0-9.]+\" \/etc\/redhat-release\n    else\n        grep -oE  \"[0-9.]+\" \/etc\/issue\n    fi\n}\n\ncentosversion() {\n    if [ \"${release}\" == \"centos\" ]; then\n        local code=$1\n        local version=\"$(getversion)\"\n        local main_ver=${version%%.*}\n        if [ \"$main_ver\" == \"$code\" ]; then\n            return 0\n        else\n            return 1\n        fi\n    else\n        return 1\n    fi\n}\n\ncheck_bbr_status() {\n    local param=$(sysctl net.ipv4.tcp_available_congestion_control | awk '{print $3}')\n    if uname -r | grep -Eqi \"4.10.\"; then\n        if [[ \"${param}\" == \"bbr\" ]]; then\n            return 0\n        else\n            return 1\n        fi\n    else\n        return 1\n    fi\n}\n\ninstall_elrepo() {\n\n    if centosversion 5; then\n        echo -e \"${red}Error:${plain} not supported CentOS 5.\"\n        exit 1\n    fi\n\n    rpm --import https:\/\/www.elrepo.org\/RPM-GPG-KEY-elrepo.org\n\n    if centosversion 6; then\n        rpm -Uvh http:\/\/www.elrepo.org\/elrepo-release-6-6.el6.elrepo.noarch.rpm\n    elif centosversion 7; then\n        rpm -Uvh http:\/\/www.elrepo.org\/elrepo-release-7.0-2.el7.elrepo.noarch.rpm\n    fi\n\n    if [ ! -f \/etc\/yum.repos.d\/elrepo.repo ]; then\n        echo -e \"${red}Error:${plain} Install elrepo failed, please check it.\"\n        exit 1\n    fi\n}\n\ninstall_config() {\n    if [[ \"${release}\" == \"centos\" ]]; then\n        if centosversion 6; then\n            if [ ! -f \"\/boot\/grub\/grub.conf\" ]; then\n                echo -e \"${red}Error:${plain} \/boot\/grub\/grub.conf not found, please check it.\"\n                exit 1\n            fi\n            sed -i 's\/^default=.*\/default=0\/g' \/boot\/grub\/grub.conf\n        elif centosversion 7; then\n            if [ ! -f \"\/boot\/grub2\/grub.cfg\" ]; then\n                echo -e \"${red}Error:${plain} \/boot\/grub2\/grub.cfg not found, please check it.\"\n                exit 1\n            fi\n            grub2-set-default 0\n        fi\n    elif [[ \"${release}\" == \"debian\" || \"${release}\" == \"ubuntu\" ]]; then\n        \/usr\/sbin\/update-grub\n    fi\n\n    sed -i '\/net.core.default_qdisc\/d' \/etc\/sysctl.conf\n    sed -i '\/net.ipv4.tcp_congestion_control\/d' \/etc\/sysctl.conf\n    echo \"net.core.default_qdisc = fq\" >> \/etc\/sysctl.conf\n    echo \"net.ipv4.tcp_congestion_control = bbr\" >> \/etc\/sysctl.conf\n    sysctl -p >\/dev\/null 2>&amp;1\n}\n\ninstall_bbr() {\n    check_bbr_status\n    if [ $? -eq 0 ]; then\n        echo\n        echo -e \"${green}Info:${plain} TCP BBR has been successfully installed. nothing to do...\"\n        exit\n    fi\n\n    if [[ \"${release}\" == \"centos\" ]]; then\n        install_elrepo\n        yum --enablerepo=elrepo-kernel -y install kernel-ml kernel-ml-devel\n        if [ $? -ne 0 ]; then\n            echo -e \"${red}Error:${plain} Install latest kernel failed, please check it.\"\n            exit 1\n        fi\n    elif [[ \"${release}\" == \"debian\" || \"${release}\" == \"ubuntu\" ]]; then\n        [[ ! -e \"\/usr\/bin\/wget\" ]] &amp;&amp; apt-get -y update &amp;&amp; apt-get -y install wget\n        get_latest_version\n        [ $? -ne 0 ] &amp;&amp; echo -e \"${red}Error:${plain} Get latest kernel version failed.\" &amp;&amp; exit 1\n        wget -c -t3 -T60 -O ${deb_kernel_name} ${deb_kernel_url}\n        if [ $? -ne 0 ]; then\n            echo -e \"${red}Error:${plain} Download ${deb_kernel_name} failed, please check it.\"\n            exit 1\n        fi\n        dpkg -i ${deb_kernel_name}\n        rm -fv ${deb_kernel_name}\n    else\n        echo -e \"${red}Error:${plain} OS is not be supported, please change to CentOS\/Debian\/Ubuntu and try again.\"\n        exit 1\n    fi\n\n    install_config\n}\n\nclear\necho \"---------- System Information ----------\"\necho \" OS      : $opsy\"\necho \" Arch    : $arch ($lbit Bit)\"\necho \" Kernel  : $kern\"\necho \"----------------------------------------\"\necho \" Auto install latest kernel for TCP BBR\"\necho\necho \" URL: https:\/\/teddysun.com\/489.html\"\necho \"----------------------------------------\"\necho\necho \"Press any key to start...or Press Ctrl+C to cancel\"\nchar=`get_char`\n\ninstall_bbr\n\necho\nread -p \"Info: The system needs to be restart. Do you want to reboot? [y\/n]\" is_reboot\nif [[ ${is_reboot} == \"y\" || ${is_reboot} == \"Y\" ]]; then\n    reboot\nelse\n    exit\nfi\n<\/code><\/pre>\n\n\n\n<p>\u7248\u6743\u58f0\u660e\uff1a\u672c\u6587\u4e3a\u535a\u4e3b\u539f\u521b\u6587\u7ae0\uff0c\u672a\u7ecf\u535a\u4e3b\u5141\u8bb8\u4e0d\u5f97\u8f6c\u8f7d\u3002\thttps:\/\/blog.csdn.net\/m0_37886429\/article\/details\/75226839<\/p>\n","protected":false},"excerpt":{"rendered":"<p>TCP BBR\u62e5\u585e\u63a7\u5236\u7b97\u6cd5(\u7b80\u79f0BBR)\uff0c\u53ef\u4ee5\u5e94\u7528\u5230\u5e38\u89c4\u7684KVM\u548cXEN\u67b6\u6784\u7684VPS\u3001\u670d\u52a1\u5668\u4e2d\uff0c\u7528\u6765\u63d0\u5347\u670d\u52a1\u5668\u4e0b\u8f7d\u7684\u901f\u5ea6\u3002\u56e0\u4e3a\u8981\u6d89\u53ca\u5230\u5185\u6838\u7684\u4fee\u6539\uff0cVultr\u4e2d\u6587\u7f51(http:\/\/www.cnvultr.com\/)\u5efa\u8bae\u6211\u4eec\u4f7f\u7528\u5728\u4e00\u4e9b\u975e\u7f51\u7ad9\u73af\u5883\u4e2d\u7684\u9879\u76ee\uff0c\u6bd4\u5982\u642d\u5efa\u7684\u8f6f\u4ef6\u5de5\u5177\u636e\u8bf4\u6709\u53ef\u4ee5\u8f83\u5927\u7684\u63d0\u9ad8\u901f\u5ea6\u3002 \u7b2c\u4e00\u3001\u9884\u5148\u51c6\u5907\u5de5\u4f5c \u7b2c\u4e8c\u3001\u5b89\u88c5BBR\u4e4b\u524d\u7684\u901f\u5ea6\u8bb0\u5f55\u00a0\u8fd9\u91cc\u6211\u4eec\u5148\u4e0d\u53bb\u5b89\u88c5BBR\uff0c\u7528\u5de5\u5177\u6d4b\u8bd5\u770b\u770b\u6ca1\u6709\u5b89\u88c5BBR\u7684Vultr VPS\u7b80\u5355\u7684\u6027\u80fd\u3002 1\u3001\u968f\u673a\u8282\u70b9\u4e0b\u8f7d\u901f\u5ea6\u00a0 2\u3001\u89c6\u9891\u4e0b\u8f7d\u901f\u5ea6\u00a0 \u7b2c\u4e09\u3001\u4e00\u952e\u5b89\u88c5\u5b89\u88c5BBR\u5de5\u5177\u65b9\u6cd5\u00a0\u8fd9\u91cc\u9009\u62e9\u4e00\u952e\u5b89\u88c5BBR\u811a\u672c\u5b89\u88c5\u3002 # wget &#8211;no-check-certificate https:\/\/github.com\/teddysun\/across\/raw\/master\/bbr.sh # chmod +x bbr.sh # bash bbr.sh 1 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-962","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/blog.jsjs.org\/index.php?rest_route=\/wp\/v2\/posts\/962","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.jsjs.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.jsjs.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.jsjs.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.jsjs.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=962"}],"version-history":[{"count":0,"href":"https:\/\/blog.jsjs.org\/index.php?rest_route=\/wp\/v2\/posts\/962\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.jsjs.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=962"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.jsjs.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=962"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.jsjs.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=962"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}