实操Nginx+Tomcat多实例部署，实现负载均衡和动静分离

192.168.10.10

192.168.10.20

192.168.10.30

 location ~ \.jsp$ {proxy_pass http://192.168.10.50:8080;} location ~ \.(jsp|html)$ {root /usr/share/nginx/html;}

192.168.10.40和192.168.10.50用脚本完成搭建此处安装附上脚本：

#!/bin/bash# 定义变量
JDK_PACKAGE="jdk-8u201-linux-x64.rpm"
JDK_INSTALL_PATH="/usr/java/jdk1.8.0_201-amd64"TOMCAT_PACKAGE="apache-tomcat-9.0.16.tar.gz"
TOMCAT_INSTALL_PATH="/usr/local/tomcat"
TOMCAT_USER="tomcat"
TOMCAT_GROUP="tomcat"# Function to install JDK
install_jdk() {if [ -e "$JDK_PACKAGE" ]; thenrpm -ivh "$JDK_PACKAGE" &> /dev/nullif [ $? -eq 0 ]; thenecho -e "E[1;32m JDK 安装成功 E[0m"elseecho -e "E[1;31m JDK 安装失败 E[0m"fielseecho "无 JDK 包"fi
}# Function to modify environment variables
setup_environment() {echo "
export JAVA_HOME=$JDK_INSTALL_PATH
export CLASSPATH=$JAVA_HOME/lib/tools.jar:$JAVA_HOME/lib/dt.jar
export PATH=$JAVA_HOME/bin:$PATH" >> /etc/profilesource /etc/profile
}# Function to install Tomcat
install_tomcat() {if [ -e "$TOMCAT_PACKAGE" ]; thentar zxvf "$TOMCAT_PACKAGE" &> /dev/nullcp -r $(basename "$TOMCAT_PACKAGE" .tar.gz) "$TOMCAT_INSTALL_PATH"useradd -s /sbin/nologin "$TOMCAT_USER"chown "$TOMCAT_USER":"$TOMCAT_GROUP" "$TOMCAT_INSTALL_PATH" -Rcat > /usr/lib/systemd/system/tomcat.service <<EOF
[Unit]
Description=Tomcat
After=syslog.target network.target[Service]
Type=forking
ExecStart=$TOMCAT_INSTALL_PATH/bin/startup.sh
ExecStop=$TOMCAT_INSTALL_PATH/bin/shutdown.sh
RestartSec=3
PrivateTmp=true
User=$TOMCAT_USER
Group=$TOMCAT_GROUP[Install]
WantedBy=multi-user.target
EOFsystemctl daemon-reloadsystemctl start tomcatif systemctl status tomcat &> /dev/null; thenecho -e "E[1;32m Tomcat 启动成功 E[0m"elseecho -e "E[1;31m Tomcat 启动失败 E[0m"fielseecho "无 Tomcat 安装包"fi
}# Main script execution
install_jdk
setup_environment
java -version
install_tomcat# Create symbolic links for Tomcat binary files
ln -s $TOMCAT_INSTALL_PATH/bin/* /usr/bin# 检查 JDK 版本
echo -e "E[1;36m 检查 JDK 版本: E[0m"
java -version# 检查 Tomcat 版本
echo -e "E[1;36m 检查 Tomcat 版本: E[0m"
cat $TOMCAT_INSTALL_PATH/RELEASE-NOTES | grep "Apache Tomcat Version"
# 获取本机 IP 地址
IP_ADDRESS=$(hostname -I | awk '{print $1}')# 将 IP 地址写入到 index.jsp 文件
echo $IP_ADDRESS > /usr/local/tomcat/webapps/ROOT/index.jspecho "IP 地址已写入到 /usr/local/tomcat/webapps/ROOT/index.jsp 文件中"

192.168.10.40