Keycloak 21 Install on Ubuntu 22 LTS

sudo apt update && sudo apt upgrade -y

sudo apt install software-properties-common ca-certificates chrony -y

sudo vi /etc/chrony/chrony.conf

sudo systemctl restart chrony.service

sudo apt install openjdk-17-jre-headless openjdk-17-jdk-headless -y

wget https://github.com/keycloak/keycloak/releases/download/21.0.1/keycloak-21.0.1.tar.gz

sudo vi /etc/environment

JAVA_HOME="/usr/lib/jvm/java-17-openjdk-amd64"

source /etc/environment

tar zxvf keycloak-21.0.1.tar.gz

sudo mv keycloak-21.0.1 keycloak

sudo mv keycloak /opt/

sudo vi /opt/keycloak/conf/keycloak.conf

db=postgres
db-username=DB_USER_NAME
db-password=DB_PASSWORD
db-url=jdbc:postgresql://localhost/keycloak
health-enabled=true
metrics-enabled=true

# HTTP
#http-enabled=true
#hostname-strict=false
#hostname-strict-https=false
#log=console,file

proxy=edge
hostname=kullanici-panel.fatlan.com
#hostname=kullanici-panel.fatlan.com:8080

cd /opt/keycloak/bin/

export KEYCLOAK_ADMIN=admin
export KEYCLOAK_ADMIN_PASSWORD=KYC_PASS

./kc.sh --verbose build

./kc.sh --verbose start

ctrl+c

sudo vim /etc/systemd/system/keycloak.service

[Unit]
Description=Keycloak Identity Provider
Requires=network.target
After=syslog.target network.target

[Service]
Type=idle
User=ubuntu
Group=ubuntu
#RemainAfterExit=yes
LimitNOFILE=102642
ExecStart=/opt/keycloak/bin/kc.sh start --log=console,file
#WorkingDirectory=/opt/keycloak
StandardOutput=null

[Install]
WantedBy=multi-user.target

sudo systemctl daemon-reload
sudo systemctl enable keycloak.service
sudo systemctl start keycloak.service
sudo systemctl status keycloak.service