maprangzth

Exception in filterworker {"exception"=>#<NoMethodError: undefined method `[]=' for nil:NilClass>, "backtrace"=>["file:/opt/logstash/logstash.jar!/logstash/event.rb:135:in `[]='", "org/jruby/RubyProc.java:255:in `call'", "(eval):9:in `exec'", "org/jruby/RubyProc.java:255:in `call'", "file:/opt/logstash/logstash.jar!/logstash/util/fieldreference.rb:44:in `exec'", "file:/opt/logstash/logstash.jar!/logstash/event.rb:134:in `[]='", "file:/opt/logstash/logstash.jar!/logstash/filters/mutate.rb:234:in `rename'", "org/jruby/RubyHash.java:1332:in `each'", "file:/opt/logstash/logstash.jar!/logstash/filters/mutate.rb:232:in `rename'", "file:/opt/logstash/logstash.jar!/logstash/filters/mutate.rb:205:in `filter'", "(eval):127:in `initialize'", "org/jruby/RubyProc.java:255:in `call'", "file:/opt/logstash/logstash.jar!/logstash/pipeline.rb:243:in `filter'", "file:/opt/logstash/logstash.jar!/logstash/pipeline.rb:191:in `filterworker'", "file:/opt/logstash/logstash.jar!/logstash/pipeline.rb:134:in `start_filters'"], :level=>:

maprangzth

1. Install Kafka

   cd /opt
   curl -O http://www.gtlib.gatech.edu/pub/apache/kafka/0.11.0.0/kafka_2.11-0.11.0.0.tgz
   tar xvzf kafka_2.11-0.11.0.0.tgz
   ln -s kafka_2.11-0.11.0.0/ kafka

2. Edit /usr/lib/systemd/system/kafka-zookeeper.service

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version: '3.7'

services:

  # Elasticsearch Docker Images: https://www.docker.elastic.co/
  elasticsearch:
    image: docker.elastic.co/elasticsearch/elasticsearch:7.4.0
    container_name: elasticsearch
    environment:
      - xpack.security.enabled=false

maprangzth

version: '3.7'

# starts 4 docker containers running minio server instances. Each
# minio server's web interface will be accessible on the host at port
# 9001 through 9004.
services:
  minio1:
    image: minio/minio:RELEASE.2020-08-18T19-41-00Z
    volumes:
      - data1-1:/data1

maprangzth

Default

Powerlevel10k

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#!/bin/bash
# MrChoke
# Ref: https://docs.docker.com/engine/reference/commandline/history/
# Ref: https://stackoverflow.com/questions/19104847/how-to-generate-a-dockerfile-from-an-image

if [ $# -eq 0 ]; then
    echo "No docker image provided."
    echo -e "Example:\n"
    echo -e "$0 nginx:latest\n"
    exit 1

maprangzth

# Configuration file for runtime kernel parameters.
# See sysctl.conf(5) for more information.

# See also http://www.nateware.com/linux-network-tuning-for-2013.html for
# an explanation about some of these parameters, and instructions for
# a few other tweaks outside this file.
#
# See also: https://gist.github.com/kgriffs/4027835
#
# Assumes a beefy machine with lots of network bandwidth

maprangzth

# Kernel sysctl configuration file for Linux
# https://www.kernel.org/doc/Documentation/sysctl/
#
# Original by Michiel Klaver <https://klaver.it/linux/sysctl.conf>
# Modify by Kawin Viriyaprasopsook <[email protected]>
#
# The following is suitable for dedicated web server, mail, file server, KVM server etc.
# place file in /etc/sysctl.d/60-sysctl.conf
# and run `sysctl --system`

maprangzth

.ssh_deploy_template: &ssh_deploy_template
  # TEMPLATE - see https://docs.gitlab.com/ee/ci/yaml/README.html#anchors
  # ...
  
  # Here's the magic to get the code from the GitLab variable into a bash variable and then even executed on an SSH session
  script:
    # Put gitlab variable into shell variable to improve quote handling
    - CMD=$SCRIPT_CMD
    # Print for debugging
    - echo -e "Executing:\n$CMD"

maprangzth

How to download your Udemy course videos using youtube-dl

$ youtube-dl --list-extractors | grep udemy

Steps

1. Get link to the course to download. e.g. https://www.udemy.com/course-name/
2. Login into udemy website, save the cookie from chrome using Chrome (Cookie.txt)[1] export extension. Save it to file udemy-cookies.txt
3. Get the link of the video that you want to download. usually in format. Use the command provided below where you have to replace the {course_link} and {path_to_cookies_file} with respective paths.

$ youtube-dl {course_link} --cookies {path_to_cookies_file}