forked from Qortal/qortal
57 lines
2.2 KiB
Bash
Executable File
57 lines
2.2 KiB
Bash
Executable File
#!/bin/sh
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# There's no need to run as root, so don't allow it, for security reasons
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if [ "$USER" = "root" ]; then
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echo "Please su to non-root user before running"
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exit
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fi
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# Validate Java is installed and the minimum version is available
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MIN_JAVA_VER='11'
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if command -v java > /dev/null 2>&1; then
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# Example: openjdk version "11.0.6" 2020-01-14
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version=$(java -version 2>&1 | awk -F '"' '/version/ {print $2}' | cut -d'.' -f1,2)
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if echo "${version}" "${MIN_JAVA_VER}" | awk '{ if ($2 > 0 && $1 >= $2) exit 0; else exit 1}'; then
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echo 'Passed Java version check'
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else
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echo "Please upgrade your Java to version ${MIN_JAVA_VER} or greater"
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exit 1
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fi
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else
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echo "Java is not available, please install Java ${MIN_JAVA_VER} or greater"
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exit 1
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fi
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# No qortal.jar but we have a Maven built one?
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# Be helpful and copy across to correct location
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if [ ! -e qortal.jar -a -f target/qortal*.jar ]; then
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echo "Copying Maven-built Qortal JAR to correct pathname"
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cp target/qortal*.jar qortal.jar
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fi
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# Limits Java JVM stack size and maximum heap usage.
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# Comment out for bigger systems, e.g. non-routers
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# or when API documentation is enabled
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# JAVA MEMORY SETTINGS BELOW - These settings are essentially optimized default settings.
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# Combined with the latest changes on the Qortal Core in version 4.6.6 and beyond,
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# should give a dramatic increase In performance due to optimized Garbage Collection.
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# These memory arguments should work on machines with as little as 6GB of RAM.
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# If you want to run on a machine with less than 6GB of RAM, it is suggested to increase the '50' below to '75'
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# The Qortal Core will utilize only as much RAM as it needs, but up-to the amount set in percentage below.
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JVM_MEMORY_ARGS="-XX:MaxRAMPercentage=50 -XX:+UseG1GC -Xss1024k"
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# Although java.net.preferIPv4Stack is supposed to be false
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# by default in Java 11, on some platforms (e.g. FreeBSD 12),
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# it is overridden to be true by default. Hence we explicitly
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# set it to false to obtain desired behaviour.
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nohup nice -n 20 java \
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-Djava.net.preferIPv4Stack=false \
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${JVM_MEMORY_ARGS} \
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-jar qortal.jar \
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1>run.log 2>&1 &
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# Save backgrounded process's PID
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echo $! > run.pid
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echo qortal running as pid $!
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