tomcat必备姿势

一、目录介绍

tomcat部署
目录结构
配置 tomcat管理功能
部署jpress
tomcat多实例
tomcat监控
tomcat安全优化
image.png

二、tomcat软件介绍

tomcat apache-tomcat
jvm java virtual machine java虚拟机
代码的可移植性 1份代码 处处使用
占用内存
jdk java development kit java开发环境
java命令
jvm
jdk
Oracle jdk
openjdk

三、 tomcat环境搭建

1. jdk

#man bash
#PATH 存放命令的路径
## ls
cat >>/etc/profile <<'EOF'
export JAVA_HOME=/application/jdk
export PATH=$JAVA_HOME/bin:$JAVA_HOME/jre/bin:$PATH
export CLASSPATH=.:$JAVA_HOME/lib:$JAVA_HOME/jre/lib:$JAVA_HOME/lib/tools.jar
EOF
. /etc/profile
[root@web01 ~]# mkdir -p /application
[root@web01 application]# tar xf jdk-8u60-linux-x64.tar.gz -C /application/
[root@web01 application]# ln -s /application/jdk1.8.0_60/ /application/jdk
[root@web01 application]# java -version
java version "1.8.0_60"
Java(TM) SE Runtime Environment (build 1.8.0_60-b27)
Java HotSpot(TM) 64-Bit Server VM (build 25.60-b23, mixed mode)

2.tomcat

[root@web01 application]# tar xf apache-tomcat-8.0.27.tar.gz
[root@web01 application]# ll
总用量 185908
drwxr-xr-x 9 root root 160 8月 20 19:16 apache-tomcat-8.0.27
-rw-r--r-- 1 root root 9128610 10月 5 2015 apache-tomcat-8.0.27.tar.gz
lrwxrwxrwx 1 root root 25 8月 20 19:11 jdk -> /application/jdk1.8.0_60/
drwxr-xr-x 8 10 143 255 8月 5 2015 jdk1.8.0_60
-rw-r--r-- 1 root root 181238643 10月 5 2015 jdk-8u60-linux-x64.tar.gz
[root@web01 application]# ln -s /application/apache-tomcat-8.0.27
/application/tomcat
[root@web01 application]# ll /application/
总用量 185908
drwxr-xr-x 9 root root 160 8月 20 19:16 apache-tomcat-8.0.27
-rw-r--r-- 1 root root 9128610 10月 5 2015 apache-tomcat-8.0.27.tar.gz
lrwxrwxrwx 1 root root 25 8月 20 19:11 jdk -> /application/jdk1.8.0_60/
drwxr-xr-x 8 10 143 255 8月 5 2015 jdk1.8.0_60
-rw-r--r-- 1 root root 181238643 10月 5 2015 jdk-8u60-linux-x64.tar.gz
lrwxrwxrwx 1 root root 33 8月 20 19:16 tomcat -> /application/apache-tomcat8.0.27
[root@web01 application]# mv *.tar.gz /tmp/
[root@web01 application]# ll
总用量 0
drwxr-xr-x 9 root root 160 8月 20 19:16 apache-tomcat-8.0.27
lrwxrwxrwx 1 root root 25 8月 20 19:11 jdk -> /application/jdk1.8.0_60/
drwxr-xr-x 8 10 143 255 8月 5 2015 jdk1.8.0_60
lrwxrwxrwx 1 root root 33 8月 20 19:16 tomcat -> /application/apache-tomcat-8.0.27
[root@web01 application]# /application/tomcat/bin/version.sh
Using CATALINA_BASE: /application/tomcat
Using CATALINA_HOME: /application/tomcat
Using CATALINA_TMPDIR: /application/tomcat/temp
Using JRE_HOME: /application/jdk
Using CLASSPATH:
/application/tomcat/bin/bootstrap.jar:/application/tomcat/bin/tomcat-juli.jar
Server version: Apache Tomcat/8.0.27
Server built: Sep 28 2015 08:17:25 UTC
Server number: 8.0.27.0
OS Name: Linux
OS Version: 3.10.0-957.5.1.el7.x86_64
Architecture: amd64
JVM Version: 1.8.0_60-b27
JVM Vendor: Oracle Corporation
[root@web01 application]# #9.x 8.5 8.0

3. 启动与管理

startup.sh 启动
shutdown.sh 关闭
catalina.sh 核心脚本
PRG="$0"
PRGDIR=`dirname "$PRG"` #dirname 路径
#[root@web01 ~]# dirname /etc/sysconfig/iptables-config
#/etc/sysconfig
#[root@web01 ~]# basename /etc/sysconfig/iptables-config
#iptables-config
EXECUTABLE=catalina.sh
exec "$PRGDIR"/"$EXECUTABLE" start "$@"
#/application/tomcat/bin/catalina.sh start
[root@web01 bin]# /application/tomcat/bin/startup.sh
Using CATALINA_BASE: /application/tomcat
Using CATALINA_HOME: /application/tomcat
Using CATALINA_TMPDIR: /application/tomcat/temp
Using JRE_HOME: /application/jdk
Using CLASSPATH:
/application/tomcat/bin/bootstrap.jar:/application/tomcat/bin/tomcat-juli.jar
Tomcat started.
[root@web01 bin]# ss -lntup |grep tomcat
[root@web01 bin]# ss -lntup |grep java
tcp LISTEN 0 100 :::8009 :::*
users:(("java",pid=12137,fd=51))
tcp LISTEN 0 100 :::8080 :::*
users:(("java",pid=12137,fd=46))
tcp LISTEN 0 1 ::ffff:127.0.0.1:8005 :::*
users:(("java",pid=12137,fd=68))
[root@web01 bin]# ps -ef |grep java
root 12137 1 5 19:26 pts/2 00:00:03 /application/jdk/bin/java -
Djava.util.logging.config.file=/application/tomcat/conf/logging.properties -
Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -
Djava.endorsed.dirs=/application/tomcat/endorsed -classpath
/application/tomcat/bin/bootstrap.jar:/application/tomcat/bin/tomcat-juli.jar -
Dcatalina.base=/application/tomcat -Dcatalina.home=/application/tomcat -
Djava.io.tmpdir=/application/tomcat/temp org.apache.catalina.startup.Bootstrap start
root 12182 11916 0 19:27 pts/2 00:00:00 grep --color=auto java
/application/jdk/bin/java
-Djava.util.logging.config.file=/application/tomcat/conf/logging.properties
-Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
-Djava.endorsed.dirs=/application/tomcat/endorsed
-classpath /application/tomcat/bin/bootstrap.jar:/application/tomcat/bin/tomcat
-juli.jar
-Dcatalina.base=/application/tomcat
-Dcatalina.home=/application/tomcat
-Djava.io.tmpdir=/application/tomcat/temp org.apache.catalina.startup.Bootstrap

四、 tomcat目录结构

[root@web01 tomcat]# ll
总用量 92
drwxr-xr-x 2 root root 4096 8月 20 19:26 bin
drwxr-xr-x 3 root root 198 8月 20 19:26 conf
drwxr-xr-x 2 root root 4096 8月 20 19:16 lib
drwxr-xr-x 2 root root 197 8月 20 19:26 logs
drwxr-xr-x 2 root root 30 8月 20 19:16 temp
drwxr-xr-x 7 root root 81 9月 28 2015 webapps
drwxr-xr-x 3 root root 22 8月 20 19:26 work

目录解释：
bin tomcat管理命令 startup.sh shutdown.sh catalina.sh
catalina.sh 是startup.sh 和shutdown.sh 都会调用的
以后对于tomcat优化 （jvm优化 设置最大内存 最小内存） 和配置监控功能
conf 配置
server.xml (nginx.conf) tomcat主配置文件
web.xml (增加插件 优化 )
tomcat-users.xml （tomcat管理端 配置文件）
logs 日志
catalina.out tomcat的核心日志 详细 持续变大 持续增加
catalina.2019-08-20.log catalina.out的切割日志
localhost_access_log.2019-08-20.txt tomcat访问日志 access.log
[root@web01 ~]# #logroate + 系统定时任务 对日志的定时切割
[root@web01 ~]# cat /etc/logrotate.d/syslog
/var/log/cron
/var/log/maillog
/var/log/messages
/var/log/secure
/var/log/spooler
{
missingok
sharedscripts
postrotate
/bin/kill -HUP `cat /var/run/syslogd.pid 2> /dev/null` 2> /dev/null || true
endscript
}
[root@web01 ~]# cat /etc/logrotate.d/nginx
/var/log/nginx/*.log {
daily
missingok
rotate 52
compress
delaycompress
notifempty
create 640 nginx adm
sharedscripts
postrotate
if [ -f /var/run/nginx.pid ]; then
kill -USR1 `cat /var/run/nginx.pid`
fi
endscript
}
webapps tomcat的站点目录 html

五、 配置 tomcat管理功能

[root@web01 tomcat]# /application/tomcat/bin/shutdown.sh
Using CATALINA_BASE: /application/tomcat
Using CATALINA_HOME: /application/tomcat
Using CATALINA_TMPDIR: /application/tomcat/temp
Using JRE_HOME: /application/jdk
Using CLASSPATH:
/application/tomcat/bin/bootstrap.jar:/application/tomcat/bin/tomcat-juli.jar
[root@web01 tomcat]# ps -ef |grep java
root 14564 14244 0 15:40 pts/0 00:00:00 grep --color=auto java
[root@web01 tomcat]# ss -lntup |grep java
[root@web01 tomcat]# /application/tomcat/bin/startup.sh
Using CATALINA_BASE: /application/tomcat
Using CATALINA_HOME: /application/tomcat
Using CATALINA_TMPDIR: /application/tomcat/temp
Using JRE_HOME: /application/jdk
Using CLASSPATH:
/application/tomcat/bin/bootstrap.jar:/application/tomcat/bin/tomcat-juli.jar
Tomcat started.

【不会别做运维了】CentOS 6 VS 7 区别
https://www.jianshu.com/p/d6d9a49e95c9

image.png

六、部署jpress

数据库准备
MariaDB [(none)]> create database jpress charset utf8mb4 ;
Query OK, 1 row affected (0.00 sec)
MariaDB [(none)]> show create database jpress;
+----------+--------------------------------------------------------------------+
| Database | Create Database |
+----------+--------------------------------------------------------------------+
| jpress | CREATE DATABASE `jpress` /*!40100 DEFAULT CHARACTER SET utf8mb4 */ |
+----------+--------------------------------------------------------------------+
1 row in set (0.00 sec)
MariaDB [(none)]> grant all on jpress.* to 'jpress'@'localhost' identified by
'123456';
Query OK, 0 rows affected (0.06 sec)
MariaDB [(none)]> select user,host from mysql.user;
+-----------+---------------+
| user | host |
+-----------+---------------+
| root | 127.0.0.1 |
| root | ::1 |
| | localhost |
| jpress | localhost |
| root | localhost |
| wordpress | localhost |
| | web01 |
| root | web01 |
+-----------+---------------+
8 rows in set (0.00 sec)
MariaDB [(none)]> grant all on jpress.* to 'jpress'@'172.16.1.%' identified by
'123456';
Query OK, 0 rows affected (0.00 sec)
MariaDB [(none)]> drop user ''@'localhost';
Query OK, 0 rows affected (0.00 sec)
MariaDB [(none)]> drop user ''@'web01';
Query OK, 0 rows affected (0.00 sec)
MariaDB [(none)]> select user,host from mysql.user;
+-----------+---------------+
| user | host |
+-----------+---------------+
| root | 127.0.0.1 |
| jpress | 172.16.1.% |
| root | ::1 |
| jpress | localhost |
| root | localhost |
| wordpress | localhost |
| root | web01 |
+-----------+---------------+
7 rows in set (0.00 sec)
MariaDB [(none)]> flush privileges;
Query OK, 0 rows affected (0.02 sec)
[root@web01 tomcat]# mysql -ujpress -p123456
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MariaDB connection id is 3
Server version: 5.5.60-MariaDB MariaDB Server
Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
MariaDB [(none)]> Bye
准备代码 jpress
#jpress.war ==== jpress.zip
#https://www.baidu.com/robots.txt
[root@web01 ~]# ll jpress.war
-rw-r--r-- 1 root root 20797013 3月 3 2017 jpress.war
[root@web01 ~]# mv jpress.war /application/tomcat/webapps/
[root@web01 ~]# ll /application/tomcat/webapps/
总用量 20320
drwxr-xr-x 14 root root 4096 8月 20 19:16 docs
drwxr-xr-x 6 root root 83 8月 20 19:16 examples
drwxr-xr-x 5 root root 87 8月 20 19:16 host-manager
drwxr-xr-x 7 root root 102 8月 21 16:13 jpress
-rw-r--r-- 1 root root 20797013 3月 3 2017 jpress.war
drwxr-xr-x 5 root root 103 8月 20 19:16 manager
drwxr-xr-x 3 root root 4096 8月 20 19:16 ROOT
image.png
image.png
访问10.0.0.7:8080/jpress
image.png
访问10.0.0.7:8080/jpress/admin/
image.png
验证
[root@web01 jpress]# tree attachment/ #用户上传目录
attachment/
└── 20190821
├── 4e3887fe409f43708cc1313fc6b427bb_780x240.png
└── 4e3887fe409f43708cc1313fc6b427bb.png
##数据库内容
MariaDB [(none)]> show tables from jpress;
+-------------------+
| Tables_in_jpress |
+-------------------+
| jpress_attachment |
| jpress_comment |
| jpress_content |
| jpress_mapping |
| jpress_metadata |
| jpress_option |
| jpress_taxonomy |
| jpress_user |
+-------------------+
MariaDB [(none)]> select * from jpress.jpress_content limit 1 \G ；
无法连接数据库 故障
无法连接数据库 （命令行进行测试） mysql -ujpress -p123456 -h 172.16.1.51
数据库中表已经存在
[root@web01 jpress]# cat /application/tomcat/webapps/ROOT/mem.jsp
<%
Runtime rtm = Runtime.getRuntime();
long mm = rtm.maxMemory()/1024/1024;
long tm = rtm.totalMemory()/1024/1024;
long fm = rtm.freeMemory()/1024/1024;
out.println("JVM memory detail info :<br>");
out.println("Max memory:"+mm+"MB"+"<br>");
out.println("Total memory:"+tm+"MB"+"<br>");
out.println("Free memory:"+fm+"MB"+"<br>");
out.println("Available memory can be used is :"+(mm+fm-tm)+"MB"+"<br>");
%>
image.png
tomcat数据库配置文件 db..properties
[root@web01 jpress]# pwd
/application/tomcat/webapps/jpress
[root@web01 jpress]# cat WEB-INF/classes/db.properties
#Auto create by JPress
#Wed Aug 21 16:17:32 CST 2019
db_name=jpress
db_host_port=3306
db_tablePrefix=jpress_
db_host=localhost
db_password=123456
db_user=jpress

七、tomcat主配置文件

#shutdown 端口 连接到这个端口 并 输入后面的 暗号 把tomcat关闭
<Server port="8005" shutdown="SHUTDOWN">
#tomcat管理端
<GlobalNamingResources>
<!-- Editable user database that can also be used by
UserDatabaseRealm to authenticate users
-->
<Resource name="UserDatabase" auth="Container"
type="org.apache.catalina.UserDatabase"
description="User database that can be updated and saved"
factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
pathname="conf/tomcat-users.xml" />
</GlobalNamingResources>
<Executor name="tomcatThreadPool" namePrefix="catalina-exec-"
maxThreads="150" minSpareThreads="4"/>
# tomcat web 端口
<Connector port="8080" protocol="HTTP/1.1"
connectionTimeout="20000"
redirectPort="8443" />
# 8009 ajp 工作方式 与apache配合
<Connector port="8009" protocol="AJP/1.3" redirectPort="8443" />
# host 虚拟主机部分
# Host name === server_name
# appBase === root
<Host name="localhost" appBase="webapps"
unpackWARs="true" autoDeploy="true">
<!-- SingleSignOn valve, share authentication between web applications
Documentation at: /docs/config/valve.html -->
<!--
<Valve className="org.apache.catalina.authenticator.SingleSignOn" />
-->
<!-- Access log processes all example.
Documentation at: /docs/config/valve.html
Note: The pattern used is equivalent to using pattern="common" -->
<Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs"
prefix="localhost_access_log" suffix=".txt"
pattern="%h %l %u %t &quot;%r&quot; %s %b" />
</Host>
# tomcat 访问日志的格式
<Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs"
prefix="localhost_access_log" suffix=".txt"
pattern="%h %l %u %t &quot;%r&quot; %s %b" />

八、tomcat 多实例

[root@web01 ~]# tar xf apache-tomcat-8.0.27.tar.gz
[root@web01 ~]# cp -a apache-tomcat-8.0.27 tomcat_8081
[root@web01 ~]# cp -a apache-tomcat-8.0.27 tomcat_8082
[root@web01 ~]# #tomcat
[root@web01 ~]# #tomcat_8081
[root@web01 ~]# #tomcat_8082
sed -i 's#8080#8081#g' tomcat_8081/conf/server.xml
sed -i 's#8005#8006#g' tomcat_8081/conf/server.xml
sed -i 's#8009#8010#g' tomcat_8081/conf/server.xml
sed -i 's#8080#8082#g' tomcat_8082/conf/server.xml
sed -i 's#8005#8007#g' tomcat_8082/conf/server.xml
sed -i 's#8009#8011#g' tomcat_8082/conf/server.xml
[root@web01 ~]# /application/tomcat/bin/startup.sh
Using CATALINA_BASE: /application/tomcat
Using CATALINA_HOME: /application/tomcat
Using CATALINA_TMPDIR: /application/tomcat/temp
Using JRE_HOME: /application/jdk
Using CLASSPATH:
/application/tomcat/bin/bootstrap.jar:/application/tomcat/bin/tomcat-juli.jar
Tomcat started.
[root@web01 ~]# /application/tomcat_8081/bin/startup.sh
Using CATALINA_BASE: /application/tomcat_8081
Using CATALINA_HOME: /application/tomcat_8081
Using CATALINA_TMPDIR: /application/tomcat_8081/temp
Using JRE_HOME: /application/jdk
Using CLASSPATH:
/application/tomcat_8081/bin/bootstrap.jar:/application/tomcat_8081/bin/tomcatjuli.jar
Tomcat started.
[root@web01 ~]# /application/tomcat_8082/bin/startup.sh
Using CATALINA_BASE: /application/tomcat_8082
Using CATALINA_HOME: /application/tomcat_8082
Using CATALINA_TMPDIR: /application/tomcat_8082/temp
Using JRE_HOME: /application/jdk
Using CLASSPATH:
/application/tomcat_8082/bin/bootstrap.jar:/application/tomcat_8082/bin/tomcatjuli.jar
Tomcat started.
image.png
#注意 书写tomcat相关脚本 （启动 重启 监控）
#精确过滤
[root@web01 ~]# ps -ef |grep '/tomcat/'
root 14687 14272 0 16:06 pts/1 00:00:00 tail -f
/application/tomcat/logs/catalina.out
root 15238 1 1 17:46 pts/0 00:00:08 /application/jdk/bin/java -
Djava.util.logging.config.file=/application/tomcat/conf/logging.properties -
Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -
Djava.endorsed.dirs=/application/tomcat/endorsed -classpath
/application/tomcat/bin/bootstrap.jar:/application/tomcat/bin/tomcat-juli.jar -
Dcatalina.base=/application/tomcat -Dcatalina.home=/application/tomcat -
Djava.io.tmpdir=/application/tomcat/temp org.apache.catalina.startup.Bootstrap start
root 15375 14244 0 17:56 pts/0 00:00:00 grep --color=auto /tomcat/

九、 tomcat监控

简单命令
现成脚本
通过zabbix进行监控
自定义监控 （jmap -heap pid 自定义监控）
通过jmx
jps java ps
-lvm
[root@web01 ~]# jps -lvm
15427 sun.tools.jps.Jps -lvm -
Denv.class.path=.:/application/jdk/lib:/application/jdk/jre/lib:/application/jdk/lib/t
ools.jar -Dapplication.home=/application/jdk1.8.0_60 -Xms8m
15317 org.apache.catalina.startup.Bootstrap start -
Djava.util.logging.config.file=/application/tomcat_8082/conf/logging.properties -
Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -
Djava.endorsed.dirs=/application/tomcat_8082/endorsed -
Dcatalina.base=/application/tomcat_8082 -Dcatalina.home=/application/tomcat_8082 -
Djava.io.tmpdir=/application/tomcat_8082/temp
15238 org.apache.catalina.startup.Bootstrap start -
Djava.util.logging.config.file=/application/tomcat/conf/logging.properties -
Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -
Djava.endorsed.dirs=/application/tomcat/endorsed -Dcatalina.base=/application/tomcat -
Dcatalina.home=/application/tomcat -Djava.io.tmpdir=/application/tomcat/temp
15273 org.apache.catalina.startup.Bootstrap start -
Djava.util.logging.config.file=/application/tomcat_8081/conf/logging.properties -
Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -
Djava.endorsed.dirs=/application/tomcat_8081/endorsed -
Dcatalina.base=/application/tomcat_8081 -Dcatalina.home=/application/tomcat_8081 -
Djava.io.tmpdir=/application/tomcat_8081/temp
jmap 导出jvm信息
[root@web01 tomcat]# jmap -heap 15317
Attaching to process ID 15317, please wait...
Debugger attached successfully.
Server compiler detected.
JVM version is 25.60-b23
using thread-local object allocation.
Mark Sweep Compact GC
Heap Configuration:
MinHeapFreeRatio = 40
MaxHeapFreeRatio = 70
MaxHeapSize = 255852544 (244.0MB)
NewSize = 5570560 (5.3125MB)
MaxNewSize = 85262336 (81.3125MB)
OldSize = 11206656 (10.6875MB)
NewRatio = 2
SurvivorRatio = 8
MetaspaceSize = 21807104 (20.796875MB)
CompressedClassSpaceSize = 1073741824 (1024.0MB)
MaxMetaspaceSize = 17592186044415 MB
G1HeapRegionSize = 0 (0.0MB)
Heap Usage:
New Generation (Eden + 1 Survivor Space):
capacity = 8454144 (8.0625MB)
used = 3425376 (3.266693115234375MB)
free = 5028768 (4.795806884765625MB)
40.51712390988372% used
Eden Space:
capacity = 7536640 (7.1875MB)
used = 2507880 (2.3917007446289062MB)
free = 5028760 (4.795799255371094MB)
33.27583644701087% used
From Space:
capacity = 917504 (0.875MB)
used = 917496 (0.8749923706054688MB)
free = 8 (7.62939453125E-6MB)
99.99912806919643% used
To Space:
capacity = 917504 (0.875MB)
used = 0 (0.0MB)
free = 917504 (0.875MB)
0.0% used
tenured generation:
capacity = 18620416 (17.7578125MB)
used = 14169936 (13.513504028320312MB)
free = 4450480 (4.2443084716796875MB)
76.09892281676198% used
9801 interned Strings occupying 849016 bytes.
jstack 导出java进程信息
故障案例： 系统负载高，发现tomcat占用cpu较高
1.jps /top/htop 精确定位哪个java进程导致
2.jstack 导出java详细
3.catalina.out日志
4.jmap 导出jvm信息 通过mat进行分析
现成脚本
zabbix通过jmx监控 tomcat （tomcat需要开启监控功能）
#修改
catalina.sh
CATALINA_OPTS="$CATALINA_OPTS
-Dcom.sun.management.jmxremote
-Dcom.sun.management.jmxremote.port=12345
-Dcom.sun.management.jmxremote.authenticate=false
-Dcom.sun.management.jmxremote.ssl=false
-Djava.rmi.server.hostname=10.0.0.17"
#说明：
CATALINA_OPTS="$CATALINA_OPTS
#修改tomcat启动参数
-Dcom.sun.management.jmxremote #开启tomcat远程管理功能
-Dcom.sun.management.jmxremote.port=12345 #远程管理功能 除了12345端口 还会生成2个随机端口
开放所有端口（单独设置 安全组规则)
-Dcom.sun.management.jmxremote.authenticate=false
-Dcom.sun.management.jmxremote.ssl=false
-Djava.rmi.server.hostname=10.0.0.7 #指定本地的ip地址
""
/application/jdk/bin/java
-Djava.util.logging.config.file=/application/tomcat/conf/logging.properties
-Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
-Dcom.sun.management.jmxremote
-Dcom.sun.management.jmxremote.port=12345
-Dcom.sun.management.jmxremote.authenticate=false
-Dcom.sun.management.jmxremote.ssl=false
-Djava.rmi.server.hostname=10.0.0.7
-Djava.endorsed.dirs=/application/tomcat/endorsed
-classpath /application/tomcat/bin/bootstrap.jar:/application/tomcat/bin/tomcatjuli.jar -Dcatalina.base=/application/tomcat -Dcatalina.home=/application/tomcat -
Djava.io.tmpdir=/application/tomcat/temp org.apache.catalina.startup.Bootstrap start

小结：
zabbix（自动定义监控）
通过命令检查tomcat状态
tomcat排错

十、tomcat安全优化

jvm
tomcat安全优化

tomcat总结

tomcat 故障案例
tomcat安全优化
tomcat目录 配置
多实例
监控
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