第一步:修改账号密码
vim conf/tomcat-users.xml
<role rolename="manager-gui"/>
<role rolename="manager-script"/>
<role rolename="manager-jmx"/>
<role rolename="manager-status"/>
<role rolename="admin-gui"/>
<role rolename="admin-script"/>
<user username="tomcat" password="tomcat" roles="manager-gui,manager-script,manager-jmx,manager-status,admin-gui,admin-script"/>
第二步:修改访问权限
vim webapps/manager/META-INF/context.xml
<Valve className="org.apache.catalina.valves.RemoteAddrValve"
allow="127\.\d+\.\d+\.\d+|::1|0:0:0:0:0:0:0:1" />
context.xml可以将上面的注释掉, 也可以将allow改为\d+\.\d+\.\d+\.\d+|::1|0:0:0:0:0:0:0:1即可