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Piotr Findeisen findepi

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@findepi
findepi / Dockerfile
Last active March 14, 2024 10:04
Retrieved GitHub secrets securely
# store as docky/Dockerfile to match references in the other script
FROM ubuntu:latest
RUN true && \
export DEBIAN_FRONTEND=noninteractive && \
apt-get update && \
apt-get install -y openssl && \
apt-get clean && \
echo OK
@findepi
findepi / iceberg-dev-cheat-sheet.md
Last active July 24, 2023 01:15

full build, like mvn install

# See knownSparkVersions in gradle.properties for current list Spark versions
./gradlew -DsparkVersions=2.4,3.0,3.1,3.2,3.3 -x test -x integrationTest build publishToMavenLocal

# ... or pull the list automatically
./gradlew -DsparkVersions=$(sed -n 's/^systemProp.knownSparkVersions=//p' gradle.properties) \
    -x test -x integrationTest build publishToMavenLocal
@findepi
findepi / maven-release.md
Last active January 4, 2023 14:06
Standard maven release process 
mvn clean release:clean && mvn release:prepare

# `env GPG_TTY=$(tty)` may help with some sort of GPG problems
mvn release:perform
@findepi
findepi / requireNonNull.md
Last active December 31, 2021 16:50
  1. Intellij Preferences > Live Templates > group other
  2. Add a new one with
    • abbreviation rnn
    • Description requireNonNull
    • Template text java.util.Objects.requireNonNull($var$, "$var$ is null")
    • Applicable contexts: Java > Expression
    • check use static imports if possible
  • Edit variables button and there add var variable with variableOfType("Object") expression
@findepi
findepi / client-certificate-authentication.md
Created October 29, 2018 11:50 — forked from jankronquist/client-certificate-authentication.md
Java certificate authentication for both server and client using shared trusted CA.

Certificates

CA and trust keystore

keytool -genkeypair -keyalg RSA -keysize 2048 -validity 365 -alias ca -dname "CN=ca,O=HMS,S=SE" -keystore ca.jks -storepass password
keytool -exportcert -rfc -alias ca -keystore ca.jks -storepass password > ca.pem
cat ca.pem | keytool -importcert -alias ca -noprompt -keystore trust.jks -storepass password

server cert

@findepi
findepi / Directions for creating PEM files
Created September 26, 2018 20:06 — forked from dain/Directions for creating PEM files
Create Java KeyStore from standard PEM encoded private key and certificate chain files
# To regenerate the test key and certificates
# Generate an RSA private key and convert it to PKCS8 wraped in PEM
openssl genrsa 2048 | openssl pkcs8 -topk8 -inform pem -outform pem -nocrypt -out rsa.key
# Generate a certificate signing request with the private key
openssl req -new -key rsa.key -out rsa.csr
# Sign request with private key
openssl x509 -req -days 10000 -in rsa.csr -signkey rsa.key -out rsa.crt
@findepi
findepi / jvm.config
Last active October 9, 2019 08:07
# Here are some JVM args that are extremely useful in production when things go wrong
-XX:+G1SummarizeRSetStats
-XX:G1SummarizeRSetStatsPeriod=10
-XX:+PrintAdaptiveSizePolicy
-XX:+PrintJNIGCStalls
-XX:+PrintReferenceGC
-XX:+PrintGCCause
-XX:+PrintGCDateStamps
-XX:+PrintGCTimeStamps
-XX:+PrintGCDetails
@findepi
findepi / trino-dev-cheat-sheet.md
Last active April 5, 2024 14:25

Source: https://gist.github.com/findepi/04c96f0f60dcc95329f569bb0c44a0cd .

quick build

./mvnw -T2C clean install -nsu -DskipTests -Dmaven.javadoc.skip=true -Dmaven.source.skip=true -Dair.check.skip-all=true -pl '!:trino-server-rpm,!:trino-docs,!:trino-proxy,!:trino-verifier,!:trino-benchto-benchmarks'

run Trino in a container, quickly

docker rm -f trino; docker run --rm -it --name trino -p 8080:8080 trinodb/trino:438
@findepi
findepi / librus-plan-lekcji-przygotuj-do-wydruku.js
Last active August 31, 2023 15:49
Przygotuj Librusowy plan lekcji do wydruku na prawdę do wydruku
/*
* Class timetable as rendered in the Librus Synergia system https://synergia.librus.pl/
*/
(function($) {
// przerwy
$('.plan-lekcji tr.line0').remove()
// sobota, niedziela oraz nr lekcji z prawej strony
@findepi
findepi / sort-commits-for-github.sh
Last active August 6, 2021 20:53
sort commits for GitHub's sake
git rebase "$(git merge-base HEAD master)" -x 'git commit --amend -C HEAD --date="$(date -R)" && sleep 1.05'