部署 jre8

  • 下载 oracle jre8，下载界面
  • 解压 
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    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 
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    export JAVA_HOME=/opt/jre
export PATH=$JAVA_HOME/bin:$PATH

部署 tomcat8

  • 下载 tomcat 
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    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 
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    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 
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    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 
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    [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 
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    systemctl daemon-reload
systemctl start tomcat

验证码字体

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yum install dejagnu dejavu-sans-mono-fonts dejavu