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+---
+title: "Tomcat 笔记"
+date: 2019-10-29T21:19:44+08:00
+lastmod: 2019-10-29T21:19:44+08:00
+keywords: []
+tags: ["tomcat", "jdk", "java"]
+categories: ["web"]
+---
+
+# 部署 jre8
+- 下载 oracle jre8，[下载界面](https://www.oracle.com/technetwork/java/javase/downloads/jre8-downloads-2133155.html)
+- 解压
+    ```bash
+    tar zxf jre-8u221-linux-x64.tar.gz -C /opt/
+    cd /opt && mv jre-8u221-linux jre
+    ```
+- 创建 /etc/profile.d/jre.sh，内容如下
+    ```bash
+    export JAVA_HOME=/opt/jre
+    export PATH=$JAVA_HOME/bin:$PATH
+    ```
+
+# 部署 tomcat8
+- 下载 tomcat
+    ```bash
+    curl -O http://mirrors.tuna.tsinghua.edu.cn/apache/tomcat/tomcat-8/v8.5.45/bin/apache-tomcat-8.5.45.tar.gz
+    ```
+- 解压
+    ```bash
+    tar zxf apache-tomcat-8.5.45.tar.gz -C /opt/
+    cd /opt/ && mv apache-tomcat-8.5.45 tomcat
+    ```
+- 创建文件 /opt/tomcat/bin/setenv.sh，内容如下
+    ```bash
+    export JAVA_HOME=/opt/jre
+    export JAVA_OPTS="$JAVA_OPTS -server -Xms8192M -Xmx8192M -Xmn3072M -Xss512K -Djava.security.egd=file:/dev/./urandom -XX:+DisableExplicitGC -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -Djava.awt.headless=true -Ddruid.registerToSysProperty=true"
+    # -Djava.library.path=/opt/tomcat/libs/tcnative # tcnative 库位置
+    #export CATALINA_OPTS="-Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote.port=10087"
+    export CATALINA_PID="/var/run/tomcat.pid"
+    ```
+- 创建 /usr/lib/systemd/system/tomcat.service 文件，内容如下
+    ```bash
+    [Unit]
+    Description=The Apache Tomcat
+    After=network.target
+
+    [Service]
+    Type=forking
+    PIDFile=/var/run/tomcat.pid
+    ExecStart=/opt/tomcat/bin/catalina.sh start
+    ExecStop=/opt/tomcat/bin/catalina.sh stop
+    SuccessExitStatus=143
+
+    [Install]
+    WantedBy=multi-user.target
+    ```
+- 启动 tomcat 服务
+    ```bash
+    systemctl daemon-reload
+    systemctl start tomcat
+    ```
+
+# 验证码字体
+```bash
+yum install dejagnu dejavu-sans-mono-fonts dejavu
+```
+