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

maprangzth

#!/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 <kawin.vir@zercle.tech>
#
# 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}

maprangzth

Sample config for 2 million web socket connection

    sysctl -w fs.file-max=12000500
    sysctl -w fs.nr_open=20000500
    # Set the maximum number of open file descriptors
    ulimit -n 20000000

    # Set the memory size for TCP with minimum, default and maximum thresholds 
 sysctl -w net.ipv4.tcp_mem='10000000 10000000 10000000'

maprangzth

if [event][module] == "apache" {
	if [fileset][name] == "access" {
		grok {
			match => { "message" => [
				"%{IPORHOST:[source][address]} - %{DATA:[user][name]} \[%{HTTPDATE:[apache][access][time]}\] \"(?:%{WORD:[http][request][method]} %{DATA:[url][original]} HTTP/%{NUMBER:[http][version]:float}|-)?\" %{NUMBER:[http][response][status_code]:int} (?:%{NUMBER:[http][response][body][bytes]:int}|-)( \"%{DATA:[http][request][referrer]}\")?( \"%{DATA:[user_agent][original]}\")?",
				"%{IPORHOST:[source][address]} - %{DATA:[user][name]} \[%{HTTPDATE:[apache][access][time]}\] \"-\" %{NUMBER:[http][response][status_code]:int} -",
				"\[%{HTTPDATE:[apache][access][time]}\] %{IPORHOST:[source][address]} %{DATA:[apache][access][ssl][protocol]} %{DATA:[apache][access][ssl][cipher]} \"%{WORD:[http][request][method]} %{DATA:[url][original]} HTTP/%{NUMBER:[http][version]:float}\" %{NUMBER:[http][response][body][bytes]:int}"]
			}
			remove_field => [ "message" ]
			add_field => { "[event][created]" => "%{@timestamp}" }

maprangzth

http://grokdebug.herokuapp.com

SAMPLE

127.0.0.1 - - [26/Mar/2016:19:09:19 -0400] "GET / HTTP/1.1" 401 194 "" "Mozilla/5.0 Gecko" "-"

MATCH

%{IPORHOST:clientip} (?:-|(%{WORD}.%{WORD})) %{USER:ident} \[%{HTTPDATE:timestamp}\] "(?:%{WORD:verb} %{NOTSPACE:request}(?: HTTP/%{NUMBER:httpversion})?|%{DATA:rawrequest})" %{NUMBER:response} (?:%{NUMBER:bytes}|-) %{QS:referrer} %{QS:agent} %{QS:forwarder}

Output