forked from Qortal/qortal
catbref
5 years ago
2 changed files with 30 additions and 2 deletions
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# ((Qora2)) - Qortal Project - Official Repo |
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# Qortal Project - Official Repo |
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## Build / run |
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- Requires Java 11 |
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- Requires Java 11. OpenJDK 11 recommended over Java SE. |
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- Install Maven |
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- Use Maven to fetch dependencies and build: `mvn clean package` |
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- Built JAR should be something like `target/qortal-1.0.jar` |
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- Create basic *settings.json* file: `echo '{}' > settings.json` |
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- Run JAR in same working directory as *settings.json*: `java -jar target/qortal-1.0.jar` |
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- Wrap in shell script, add JVM flags, redirection, backgrounding, etc. as necessary. |
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- Or use supplied example shell script: *run.sh* |
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#!/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 [ "$USER" = "root" ]; then |
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echo "Please su to non-root user before running" |
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exit |
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fi |
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# Limits Java JVM stack size and maximum heap usage. |
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# Comment out for bigger systems, e.g. non-routers |
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JVM_MEMORY_ARGS="-Xss256k -Xmx128m" |
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# Although java.net.preferIPv4Stack is supposed to be false |
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# by default in Java 11, on some platforms (e.g. FreeBSD 12), |
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# it is overriden to be true by default. Hence we explicitly |
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# set it to true to obtain desired behaviour. |
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nohup nice -n 20 java \ |
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-Djava.net.preferIPv4Stack=false \ |
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-XX:NativeMemoryTracking=summary \ |
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${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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