Sakib37

A curated list of AWS resources to prepare for the AWS Certifications

A curated list of awesome AWS resources you need to prepare for the all 5 AWS Certifications. This gist will include: open source repos, blogs & blogposts, ebooks, PDF, whitepapers, video courses, free lecture, slides, sample test and many other resources.

For more about AWS and AWS Certifications and updates to this Gist you should follow me @leonardofed

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Sakib37

<!-- AWS Region: US East (Northern Virginia) -->
<add ipAddress="72.44.32.0" subnetMask="255.255.224.0" allowed="true" />
<add ipAddress="67.202.0.0" subnetMask="255.255.192.0" allowed="true" />
<add ipAddress="75.101.128.0" subnetMask="255.255.128.0" allowed="true" />
<add ipAddress="174.129.0.0" subnetMask="255.255.0.0" allowed="true" />
<add ipAddress="204.236.192.0" subnetMask="255.255.192.0" allowed="true" />
<add ipAddress="184.73.0.0" subnetMask="255.255.0.0" allowed="true" />
<add ipAddress="184.72.128.0" subnetMask="255.255.128.0" allowed="true" />
<add ipAddress="184.72.64.0" subnetMask="255.255.192.0" allowed="true" />
<add ipAddress="50.16.0.0" subnetMask="255.254.0.0" allowed="true" />

Sakib37

export ES_HOST=https://MY_ELASTIC_HOST

Task	Command	Comment
List indices:	curl "${ES_HOST}/_cat/indices?v"
Delete indices:	curl -XDELETE "${ES_HOST}/index1,index2"	Delete index1 and index2
Cluster migration Status:	curl -XGET "${ES_HOST}/_cat/recovery?v&active_only"	Output of this command should vary over time period (ex- 1 mintue)
Shards Status:	curl -XGET "${ES_HOST}/_cat/allocation?v"	Shards are allocated to each data node and how much disk space they are using
Number of shards:	curl "${ES_HOST}/_cat/shards"	Shards are allocated to each data node and how much disk space they are using

Sakib37

################################################################################
How To Use Find and Locate to Search for Files on a Linux 
################################################################################

Source : www.digitalocean.com/community/tutorials/how-to-use-find-and-locate-to-search-for-files-on-a-linux-vps

=======
BY NAME:
========

Sakib37

# Copy ssh key to a remove server
#################################

    ssh-copy-id LOCAL_PATH_TO_THE_KEY  USER_NAME@REMOTE_HOST:REMOTE_LOCATION 
    
    # ssh-copy-id may not be installed in the remote server. In that case, First create .ssh directory on remote server 
    ssh USER_NAME@REMOTE_HOST:REMOTE_LOCATION  "umask 077; test -d .ssh || mkdir .ssh"

	  ## cat local public key file and pipe over ssh to append the public key in the remote serve. Example-
	  cat ~/.ssh/id_rsa.pub | ssh user@remote_ip_or_hostname "cat >> .ssh/authorized_keys"

Sakib37

################################################################################
****************	INITIALIGE AND MANAGE GIT	************************
################################################################################
source: https://git-scm.com/doc

# Create a git repo using git API
	curl -u 'USER' https://api.github.com/user/repos -d '{"name":"REPO", "private":"true"}'
	# Here 'USER' is the username and 'REPO' is the repository name

# Configure git settings in the machine

Sakib37

https://bbs.archlinux.org/viewtopic.php?id=148038

https://www.youtube.com/watch?v=mHX9UIll014



######################################################
######### Arch Linux Installation ####################
######################################################

Sakib37

# source: 	https://digitz.org/blog/install-gui-ubuntu-server/
		http://en.ig.ma/notebook/2012/virtualbox-guest-additions-on-ubuntu-server
		https://linuxconfig.org/how-to-install-gui-desktop-environment-on-ubuntu-linux-14-04-lts-trusty-thar


# Install lxde in server
	sudo apt-get install --no-install-recommends lxde lxdm -y
# Install virtualbox_guest_edition
	# Install necessary build tools and build dependencies:
	sudo apt-get install -y dkms xorg build-essential linux-headers-generic 

Sakib37

#!/bin/bash

# Maintainer: Mohammad Badruzzaman 

#set -xe

# Environments 
bold=$(tput bold)
red=$(tput setaf 1)
green=$(tput setaf 2)

Sakib37

    List user:
                    SELECT user, host FROM mysql.user;

    Delete user:
                    DROP USER 'USER'@'host';

    Create user:
                    CREATE USER 'USER'@'10.%' IDENTIFIED BY 'PASSWORD' ;
                    GRANT SELECT ON *.* TO 'USER'@'host' ;
                    flush privileges;