ufuk

# list Java processes
jcmd -l

# list running JVM's system properties or flags (select a 'pid' from above command's result list)
jcmd pid VM.system_properties
jcmd pid VM.flags

ufuk

kubectl rollout restart deployment name-of-my-deployment

ufuk

kubectl delete pods your-pod-name --grace-period=0 --force -n your-namespace-name

ufuk

<?xml version="1.0" encoding="UTF-8"?>
<configuration>

    <include resource="org/springframework/boot/logging/logback/defaults.xml"/>
    <include resource="org/springframework/boot/logging/logback/console-appender.xml"/>

    <appender name="CLOUD_WATCH_FRIENDLY" class="ch.qos.logback.core.ConsoleAppender">
        <encoder>
            <pattern>%clr(%d{${LOG_DATEFORMAT_PATTERN:-yyyy-MM-dd HH:mm:ss.SSS}}){faint} %clr(${LOG_LEVEL_PATTERN:-%5p}) %clr(${PID:- }){magenta} %clr(---){faint} %clr([%15.15t]){faint} %clr(%-40.40logger{39}){cyan} %clr(:){faint} %m %replace(%rEx{short}){'[\r\n\t]+', '\\n'}%nopex%n</pattern>
        </encoder>

ufuk

import javax.validation.Constraint;
import javax.validation.Payload;
import java.lang.annotation.*;

@Documented
@Constraint(validatedBy = ExampleConstraintValidator.class)
@Target({ElementType.FIELD})
@Retention(RetentionPolicy.RUNTIME)
public @interface ExampleConstraint {

keburak

------------------------------------------------------------------------------------------------------
#add x-frame-options header
add rewrite action act_insert_XFrame_header insert_http_header X-Frame-Options "\"SAMEORIGIN\""
add rewrite policy pol_enforce_XFrame TRUE act_insert_XFrame_header
------------------------------------------------------------------------------------------------------
#add HSTS header 
add rewrite action act_insert_HSTS_header insert_http_header Strict-Transport-Security "\"max-age=157680000; includeSubDomains; preload\""
add rewrite policy pol_enforce_HSTS TRUE act_insert_HSTS_header
------------------------------------------------------------------------------------------------------
#add x-xss-protection header

JonasGroeger

package de.jonasgroeger;

import org.junit.jupiter.api.Test;
import org.springframework.scheduling.support.CronExpression;

import java.time.LocalDateTime;
import java.time.ZoneId;

class SpringCronExpressionTester {

ufuk

-- Before importing, you need to create table
CREATE TABLE example_table
(
  ...
);

-- Importing...
COPY example_table
  FROM 's3://<BUCKET_NAME>/.../example_table.csv'
  CREDENTIALS 'aws_access_key_id=...;aws_secret_access_key=...'

ufuk

echo "$(TZ='Europe/Moscow' date +%Y-%m-%d\ %H\:%M)"

# output => 2019-01-31 16:52

dettmering

#!/usr/local/bin/python3

import os

hosts = [
    'google.com',
    'microsoft.com'
]

header = []