Tomcat安装（Yum）

• 安装jdk

yum -y install java-1.8.0-openjdk-devel

• 查询jdk版本

java -version

• 安装tomcat及相关包

yum install tomcat tomcat-lib tomcat-admin-webapps tomcat-docs-webapp tomcat-webapps -y

• rpm包安装的程序环境：

配置文件目录：/etc/tomcat
主配置文件：/etc/tomcat/server.xml
webapps存放位置：/var/lib/tomcat/webapps/
环境配置文件：/etc/sysconfig/tomcat 调整jdk内存使用大小等初始值

• 修改配置文件

context.xml:

<Context antiJARLocking="true" antiResourceLocking="true">

tomcat-users.xml

    <role rolename="admin"/> 
    <role rolename="admin-gui"/> 
    <role rolename="admin-script"/> 
    <role rolename="manager"/> 
    <role rolename="manager-gui"/> 
    <role rolename="manager-script"/> 
    <role rolename="manager-jmx"/> 
    <role rolename="manager-status"/> 
    <user name="admin" password="adminadmin" roles="admin,manager,admin-gui,admin-script,manager-gui,manager-script,manager-jmx,manager-status" />

• 启动tomcat并查看状态

systemctl start tomcat.service
systemctl enable tomcat.service
systemctl status tomcat.service

• 查看对应的端口监听情况

ss -tnlp