Cara Install Tomcat 9 pada Amazon Linux

“Cara Install Tomcat 9 pada Amazon Linux”

Pengantar

Apache Tomcat adalah server web HTTP JAVA gratis yang dikembangkan oleh Apache Software Foundation. Tomcat adalah implementasi dari Java Servlet, JavaServer Pages, Java Expression Language dan teknologi WebSocket.

Singkatnya Apache Tomcat menjalankan lingkungan server web HTTP di mana program Java khusus yang dikenal sebagai “Java Servlet” dan “Java Server Pages (JSP)” dapat dijalankan. Karena sifatnya yang open-source, Tomcat telah diadopsi secara luas oleh pelanggan Perusahaan. Ini memperkuat platform Pembayaran, platform E-Commerce, lingkungan Cloud di antara banyak kasus penggunaan lainnya.

Install Tomcat 9 pada Amazon Linux

1. Install Java

• Update OS

sudo yum -y update

• Install extras repositori

sudo amazon-linux-extras install java-openjdk11

• Cek versi java

java -version

2. Buat User tomcat

• Buat user baru

sudo groupadd --system tomcat
sudo useradd -d /usr/share/tomcat -r -s /bin/false -g tomcat tomcat

$ getent passwd tomcat
tomcat:x:996:994::/usr/share/tomcat:/bin/false

$ getent group tomcat
tomcat:x:994:

3. Install Tomcat 9

• Download tomcat package

sudo yum -y install wget
export VER="9.0.39"
wget https://archive.apache.org/dist/tomcat/tomcat-9/v${VER}/bin/apache-tomcat-${VER}.tar.gz

• Ekstract file

sudo tar xvf apache-tomcat-${VER}.tar.gz -C /usr/share/

• Buat symlink

sudo ln -s /usr/share/apache-tomcat-$VER/ /usr/share/tomcat

• Tambahkan permission untuk folder

sudo chown -R tomcat:tomcat /usr/share/tomcat
sudo chown -R tomcat:tomcat /usr/share/apache-tomcat-$VER/ 

• Buat service tomcat

sudo tee /etc/systemd/system/tomcat.service<<EOF
[Unit]
Description=Tomcat Server
After=syslog.target network.target

[Service]
Type=forking
User=tomcat
Group=tomcat

Environment=JAVA_HOME=/usr/lib/jvm/jre
Environment='JAVA_OPTS=-Djava.awt.headless=true'
Environment=CATALINA_HOME=/usr/share/tomcat
Environment=CATALINA_BASE=/usr/share/tomcat
Environment=CATALINA_PID=/usr/share/tomcat/temp/tomcat.pid
Environment='CATALINA_OPTS=-Xms512M -Xmx1024M'
ExecStart=/usr/share/tomcat/bin/catalina.sh start
ExecStop=/usr/share/tomcat/bin/catalina.sh stop

[Install]
WantedBy=multi-user.target
EOF

• enable service

sudo systemctl daemon-reload
sudo systemctl start tomcat
sudo systemctl enable tomcat

4. Tambahkan rule firewall

sudo firewall-cmd --permanent --add-port=8080/tcp
sudo firewall-cmd --reload

5. Setting Tomcat

• Edit config autentikasi

sudo vim /usr/share/tomcat/conf/tomcat-users.xml

Edit bagian

<role rolename="admin-gui"/>
<role rolename="manager-gui"/>
<user username="admin" password="TomcatAdminP@ssw0rd" fullName="Administrator" roles="admin-gui,manager-gui"/>

Install Apache

• install apache

sudo yum -y install httpd 

• Buat virtualhost untuk admin

sudo vim /etc/httpd/conf.d/tomcat_manager.conf
<VirtualHost *:80>
    ServerAdmin root@localhost
    ServerName tomcat.hendro-wibiksono.com
    DefaultType text/html
    ProxyRequests off
    ProxyPreserveHost On
    ProxyPass / http://localhost:8080/
    ProxyPassReverse / http://localhost:8080/
</VirtualHost>

• virtualhost untuk AJP connector

<VirtualHost *:80>
  ServerName ajp.example.com

  ProxyRequests Off
  ProxyPass / ajp://localhost:8009/
  ProxyPassReverse / ajp://localhost:8009/
</VirtualHost>

• Jika selinux enable tambahkan perintah berikut

sudo setsebool -P httpd_can_network_connect 1
sudo setsebool -P httpd_can_network_relay 1
sudo setsebool -P httpd_graceful_shutdown 1
sudo setsebool -P nis_enabled 1

• Enable service apache

sudo systemctl restart httpd
sudo systemctl enable httpd

Akses GUI via web

http://ip-external atau http://domain

Penutup

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