Khagesh Saini khageshsaini

GPG - SSH setup

Generating the master key

Here we create the master key. We want only Certify capability: we use the master key only to create the subkeys, Sign - Encrypt - Authenticate capabilities will be assigned to the subkeys.

Run the following command to start the master key generation process. Select the set your own capabilities creation process (type 8)

  ▶ gpg --full-generate-key --expert

from https://techwombat.com/enable-http2-apache-ubuntu-16-04/

Requirements

A self-managed VPS or dedicated server with Ubuntu 16.04 running Apache 2.4.xx.
A registered domain name with working HTTPS (TLS/SSL). HTTP/2 only works alongside HTTPS because most browsers, including Firefox and Chrome, don’t support HTTP/2 in cleartext (non-TLS) mode.

Step 1: Upgrade Apache from PPA

Let’s assume you installed Apache from the standard stable Ubuntu repository using apt. When you check your version of apache2 by typing:

Keybase proof

I hereby claim:

I am khageshsaini on github.
I am khageshsaini (https://keybase.io/khageshsaini) on keybase.
I have a public key ASAIoKe4T7RCN56RPhaEchHNaKxwpu7Qxj01RkkxKeGz2wo

To claim this, I am signing this object:

Laravel's Dependency Injection Container in Depth

Translations: Korean (by Yongwoo Lee)

Laravel has a powerful Inversion of Control (IoC) / Dependency Injection (DI) Container. Unfortunately the official documentation doesn't cover all of the available functionality, so I decided to experiment with it and document it for myself. The following is based on Laravel 5.4.26 - other versions may vary.

Introduction to Dependency Injection

I won't attempt to explain the principles behind DI / IoC here - if you're not familiar with them you might want to read What is Dependency Injection? by Fabien Potencier (creator of the Symfony framework).

Importing/Indexing database (MySQL or SQL Server) in Solr using Data Import Handler

Install Solr

download and install Solr from http://lucene.apache.org/solr/.

you can access Solr admin from your browser: http://localhost:8983/solr/

use the port number used in installation.

	@servers(['production' => 'productionserver', 'local'=> '[email protected] -p 2222'])

	{{-- Configuration section --}}
	@setup

	/*
	\|--------------------------------------------------------------------------
	\| Git Config
	\|--------------------------------------------------------------------------
	\|

	Ensure this in /etc/ssh/sshd_config

	# Disable tunneling
	PermitTunnel yes

	# Disable forwarding tcp connections.
	# no real advantage without denied shell access
	AllowTcpForwarding yes

	#!/bin/bash
	# file: ttfb.sh
	# curl command to check the time to first byte
	# usage
	# 1. ./ttfb.sh "https://google.com"
	# 2. seq 10 \| xargs -Iz ./ttfb.sh "https://google.com"

	curl -o /dev/null \
	-H 'Cache-Control: no-cache' \
	-s \

	1) SET @threshold = 30;
	2) SELECT p.user,
	LEFT(p.HOST, LOCATE(':', p.HOST) - 1) host, p.id,
	TIMESTAMPDIFF(SECOND, t.TRX_STARTED, NOW()) duration,
	COUNT(DISTINCT ot.REQUESTING_TRX_ID) waiting
	FROM INFORMATION_SCHEMA.INNODB_TRX t
	JOIN INFORMATION_SCHEMA.PROCESSLIST p
	ON ( p.ID = t.TRX_MYSQL_THREAD_ID )
	LEFT JOIN INFORMATION_SCHEMA.INNODB_LOCK_WAITS ot
	ON ( ot.BLOCKING_TRX_ID = t.TRX_id )

	#Add ENV strings into AWS Parameter Store (as one parameter). All strings will be separated by the newline
	#We are getting ENV string separated by the newline and pub them in the dotenv
	aws ssm get-parameter --name Param-with-env --region eu-west-1 --query Parameter.Value \| sed -e 's/^"//' -e 's/"$//' \| awk '{gsub(/\\n/,"\n")}1' >> .env