To Nikita Noark5 Core Team,

I have prepared RPM Package of Nikita Noark5 Core as 2 diff patches that modify

1) rpm/pom.xml
2) src/main/resources/postinstall.sh, src/main/resources/preinstall.sh, and src/main/resources/systemd/nikita-noark5-core.service.

1) https://aamot.engineering/Prototypes/nikita-rpm-package/nikita-noark5-core-rpm-packaging-2021-06-04.diff
diff --git a/rpm/pom.xml b/rpm/pom.xml
new file mode 100644
index 00000000..94bbe1d2
--- /dev/null
+++ b/rpm/pom.xml
@@ -0,0 +1,73 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+
+	<parent>
+		<groupId>nikita</groupId>
+		<artifactId>nikita-noark5-core</artifactId>
+		<version>0.5</version>
+	</parent>
+
+	<artifactId>nikita-noark5-core-package</artifactId>
+	<packaging>rpm</packaging>
+
+	<name>Nikita Noark5 Core Application - RPM Package</name>
+
+	<dependencies>
+		<dependency>
+			<groupId>${project.groupId}</groupId>
+			<artifactId>nikita-noark5-core-app</artifactId>
+			<version>${project.version}</version>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.codehaus.mojo</groupId>
+				<artifactId>rpm-maven-plugin</artifactId>
+				<version>2.2.0</version>
+				<extensions>true</extensions>
+				<configuration>
+					<group>${project.groupId}</group>
+					<mappings>
+						<mapping>
+							<directory>/var/nikita-noark5-core</directory>
+							<filemode>755</filemode>
+							<username>nikita-noark5-core</username>
+							<groupname>nikita-noark5-core</groupname>
+							<dependency>
+								<stripVersion>true</stripVersion>
+								<includes>
+									<include>${project.groupId}:nikita-noark5-core-app</include>
+								</includes>
+							</dependency>
+						</mapping>
+						<mapping>
+							<directory>/etc/systemd/system</directory>
+							<filemode>755</filemode>
+							<username>root</username>
+							<groupname>root</groupname>
+							<sources>
+								<source>
+									<location>src/main/resources/systemd</location>
+								</source>
+							</sources>
+						</mapping>
+					</mappings>
+					<preinstallScriptlet>
+						<scriptFile>src/main/resources/preinstall.sh</scriptFile>
+						<fileEncoding>utf-8</fileEncoding>
+						<filter>true</filter>
+					</preinstallScriptlet>
+					<postinstallScriptlet>
+						<scriptFile>src/main/resources/postinstall.sh</scriptFile>
+						<fileEncoding>utf-8</fileEncoding>
+						<filter>true</filter>
+					</postinstallScriptlet>
+				</configuration>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>
diff --git a/src/main/resources/postinstall.sh b/src/main/resources/postinstall.sh
new file mode 100644
index 00000000..5f18530e
--- /dev/null
+++ b/src/main/resources/postinstall.sh
@@ -0,0 +1,4 @@
+if [ $1 -eq 1 ] ; then
+  # Initial installation
+  systemctl enable nikita-noark5-core.service >/dev/null 2>&1 || :
+fi
diff --git a/src/main/resources/preinstall.sh b/src/main/resources/preinstall.sh
new file mode 100644
index 00000000..deed7b0c
--- /dev/null
+++ b/src/main/resources/preinstall.sh
@@ -0,0 +1,3 @@
+/usr/sbin/useradd -c "Nikita Noark5 Core Application" -U \
+  -s /sbin/nologin -r \
+  -d /var/nikita-noark5-core nikita-noark5-core 2> /dev/null || :
diff --git a/src/main/resources/systemd/nikita-noark5-core.service b/src/main/resources/systemd/nikita-noark5-core.service
new file mode 100644
index 00000000..717fdb4c
--- /dev/null
+++ b/src/main/resources/systemd/nikita-noark5-core.service
@@ -0,0 +1,11 @@
+[Unit]
+Description=Nikita Noark5 Core Application
+After=syslog.target
+
+[Service]
+User=nikita-noark5-core
+ExecStart=/var/nikita-noark5-core/nikita-noark5-core.jar
+SuccessExitStatus=143
+
+[Install]
+WantedBy=multi-user.target
\ No newline at end of file
2) https://aamot.engineering/Prototypes/nikita-rpm-package/nikita-noark5-core-rpm-packaging-2021-06-05.diff
diff --git a/rpm/pom.xml b/rpm/pom.xml
new file mode 100644
index 00000000..94bbe1d2
--- /dev/null
+++ b/rpm/pom.xml
@@ -0,0 +1,73 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+
+	<parent>
+		<groupId>nikita</groupId>
+		<artifactId>nikita-noark5-core</artifactId>
+		<version>0.5</version>
+	</parent>
+
+	<artifactId>nikita-noark5-core-package</artifactId>
+	<packaging>rpm</packaging>
+
+	<name>Nikita Noark5 Core Application - RPM Package</name>
+
+	<dependencies>
+		<dependency>
+			<groupId>${project.groupId}</groupId>
+			<artifactId>nikita-noark5-core-app</artifactId>
+			<version>${project.version}</version>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.codehaus.mojo</groupId>
+				<artifactId>rpm-maven-plugin</artifactId>
+				<version>2.2.0</version>
+				<extensions>true</extensions>
+				<configuration>
+					<group>${project.groupId}</group>
+					<mappings>
+						<mapping>
+							<directory>/var/nikita-noark5-core</directory>
+							<filemode>755</filemode>
+							<username>nikita-noark5-core</username>
+							<groupname>nikita-noark5-core</groupname>
+							<dependency>
+								<stripVersion>true</stripVersion>
+								<includes>
+									<include>${project.groupId}:nikita-noark5-core-app</include>
+								</includes>
+							</dependency>
+						</mapping>
+						<mapping>
+							<directory>/etc/systemd/system</directory>
+							<filemode>755</filemode>
+							<username>root</username>
+							<groupname>root</groupname>
+							<sources>
+								<source>
+									<location>src/main/resources/systemd</location>
+								</source>
+							</sources>
+						</mapping>
+					</mappings>
+					<preinstallScriptlet>
+						<scriptFile>src/main/resources/preinstall.sh</scriptFile>
+						<fileEncoding>utf-8</fileEncoding>
+						<filter>true</filter>
+					</preinstallScriptlet>
+					<postinstallScriptlet>
+						<scriptFile>src/main/resources/postinstall.sh</scriptFile>
+						<fileEncoding>utf-8</fileEncoding>
+						<filter>true</filter>
+					</postinstallScriptlet>
+				</configuration>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>
diff --git a/src/main/resources/postinstall.sh b/src/main/resources/postinstall.sh
new file mode 100644
index 00000000..5f18530e
--- /dev/null
+++ b/src/main/resources/postinstall.sh
@@ -0,0 +1,4 @@
+if [ $1 -eq 1 ] ; then
+  # Initial installation
+  systemctl enable nikita-noark5-core.service >/dev/null 2>&1 || :
+fi
diff --git a/src/main/resources/preinstall.sh b/src/main/resources/preinstall.sh
new file mode 100644
index 00000000..deed7b0c
--- /dev/null
+++ b/src/main/resources/preinstall.sh
@@ -0,0 +1,3 @@
+/usr/sbin/useradd -c "Nikita Noark5 Core Application" -U \
+  -s /sbin/nologin -r \
+  -d /var/nikita-noark5-core nikita-noark5-core 2> /dev/null || :
diff --git a/src/main/resources/systemd/nikita-noark5-core.service b/src/main/resources/systemd/nikita-noark5-core.service
new file mode 100644
index 00000000..717fdb4c
--- /dev/null
+++ b/src/main/resources/systemd/nikita-noark5-core.service
@@ -0,0 +1,11 @@
+[Unit]
+Description=Nikita Noark5 Core Application
+After=syslog.target
+
+[Service]
+User=nikita-noark5-core
+ExecStart=/var/nikita-noark5-core/nikita-noark5-core.jar
+SuccessExitStatus=143
+
+[Install]
+WantedBy=multi-user.target
\ No newline at end of file
Best,
Ole Aamot