ubuntu java11, tomcat9 설치

$ sudo apt update

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$ sudo apt update

$ sudo apt install openjdk-11-jdk

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$ sudo apt install openjdk-11-jdk

$ sudo java -version
openjdk version "1.8.0_312"
OpenJDK Runtime Environment (build 1.8.0_312-8u312-b07-0ubuntu1~20.04-b07)
OpenJDK 64-Bit Server VM (build 25.312-b07, mixed mode)

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$ sudo java -version

openjdk version "1.8.0_312"

OpenJDK Runtime Environment (build 1.8.0_312-8u312-b07-0ubuntu1~20.04-b07)

OpenJDK 64-Bit Server VM (build 25.312-b07, mixed mode)

$ sudo apt install tomcat9 tomcat9-admin

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$ sudo apt install tomcat9 tomcat9-admin

$ ss -tln
State   Recv-Q   Send-Q     Local Address:Port      Peer Address:Port  Process
LISTEN  0        4096             0.0.0.0:10000          0.0.0.0:*
LISTEN  0        4096       127.0.0.53%lo:53             0.0.0.0:*
LISTEN  0        128              0.0.0.0:22             0.0.0.0:*
LISTEN  0        100                    *:8080                 *:*
LISTEN  0        511                    *:80                   *:*
LISTEN  0        128                 [::]:22                [::]:*

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$ ss -tln

State Recv-Q Send-Q Local Address:Port Peer Address:Port Process

LISTEN 0 4096 0.0.0.0:10000 0.0.0.0:*

LISTEN 0 4096 127.0.0.53%lo:53 0.0.0.0:*

LISTEN 0 128 0.0.0.0:22 0.0.0.0:*

LISTEN 0 100 *:8080 *:*

LISTEN 0 511 *:80 *:*

LISTEN 0 128 [::]:22 [::]:*

$ sudo nano /etc/tomcat9/tomcat-users.xml

::::::::::::::  중략 ::::::::::::::
<!--
  <role rolename="tomcat"/>
  <role rolename="role1"/>
  <user username="tomcat" password="<must-be-changed>" roles="tomcat"/>
  <user username="both" password="<must-be-changed>" roles="tomcat,role1"/>
  <user username="role1" password="<must-be-changed>" roles="role1"/>
-->
<role rolename="manager-gui"/>
<user username="tomcat" password="s3cret" roles="manager-gui"/>

</tomcat-users>

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$ sudo nano /etc/tomcat9/tomcat-users.xml

:::::::::::::: 중략 ::::::::::::::

<!--

<user username="tomcat" password="<must-be-changed>" roles="tomcat"/>

<user username="both" password="<must-be-changed>" roles="tomcat,role1"/>

<user username="role1" password="<must-be-changed>" roles="role1"/>

-->

</tomcat-users>

ubuntu java11, tomcat9 설치

1.Update system repositories

2.Installation of java jdk-11

3.Comfirm install java

3.Install tomcat9

4.Check tomcat 8080 port

5.Tomcat admin ID,PASS

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