log4j2-linux.xml

<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="info"> <!-- changing this to DEBUG will add tons of DEBUG logs from log4j2 itself -->
    <Appenders>
        <Console name="console" target="SYSTEM_OUT">
            <PatternLayout
                    pattern="[%-5level] %d{yyyy-MM-dd HH:mm:ss.SSS} [%t] %c{1} - %msg%n" />
        </Console>

<!--        <File name="MyFile" fileName="~/logs/kg.log">--> <!-- will create a ~ directory from root -->

        <!-- see https://stackoverflow.com/a/54008562/8534088 -->
        <File name="MyFile" fileName="${sys:user.home}/logs/kg.log">
            <PatternLayout pattern="%d{yyy-MM-dd HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n"/>
        </File>
    </Appenders>
    <Loggers>
        <Root level="info">
            <AppenderRef ref="console" />
            <AppenderRef ref="MyFile" />
        </Root>

        <Logger name="ru.klavogonki" level="debug" additivity="false">
            <AppenderRef ref="console" />
            <AppenderRef ref="MyFile" />
        </Logger>

    </Loggers>
</Configuration>