jagamts1

#!/bin/bash

# Bash shell script for generating self-signed certs. 
# usage: ./gen_ssl_cert.sh superset.com
# Ref: https://gist.githubusercontent.com/adamrunner/285746ca0f22b0f2e10192427e0b703c/raw/23ec7544d0377aea3df06e4e9a684935c68bd397/gen_cert.sh
# Script accepts a single argument, the fqdn for the cert
DOMAIN="$1"
if [ -z "$DOMAIN" ]; then
  echo "Usage: $(basename $0) <domain>"
  exit 11

jagamts1

# To activate virtualenv environment
    workon playground

# To create virtualenv env
    # python2.7
        mkvirtualenv -p python2.7 playground

    # python3
        mkvirtualenv -p python playground

jagamts1

# To run webserver
airflow webserver -p 8080

# To run airflow scheduler 
airflow scheduler

# To initiate database
airflow initdb

# To reset db

jagamts1

TO create swap space 

sudo /bin/dd if=/dev/zero of=/var/swap.1 bs=1M count=2048 # count is swap space in mb 2048 mean 2GB ram
sudo /sbin/mkswap /var/swap.1
sudo chmod 600 /var/swap.1
sudo /sbin/swapon /var/swap.1

To make them as permanent in serer or in system add into the /etc/fstab

/var/swap.1   swap    swap    defaults        0   0

jagamts1

For install rabbitmq 
    https://tecadmin.net/install-rabbitmq-server-on-ubuntu/

For install VirtualWrapper
    http://www.indjango.com/python-install-virtualenv-and-virtualenvwrapper/

For install celery
    http://docs.celeryproject.org/en/latest/getting-started/first-steps-with-celery.html

for install Elasticsearch

jagamts1

1.To install Wine on Arch Linux, you first need to enable the multilib repository, which makes it possible to run and build 32-bit applications on 64-bit installations of Arch Linux, by uncommenting the following two lines in /etc/pacman.conf:
  [multilib]
  Include = /etc/pacman.d/mirrorlist
2.add mirrorslist
  sudo pacman -Sy lib32-libpulse
3.To install wine 
  sudo pacman -S wine
  
refer 
https://linuxhint.com/wine-arch-linux/

jagamts1

1.download file from arch repo
    https://aur.archlinux.org/packages/atom-editor-bin/
2.unzip the file
    tar -xvzf atom-editor-bin.tar.gz 
3.change into the dirctory
    cd atom-editor-bin
4.for complie the package 
    makepkg -s
5.to install the package
    sudo pacman -U filename end with .xz

jagamts1

[Desktop Entry]
Encoding=UTF-8
Name=Postman
Exec=postman
Icon=/opt/Postman/resources/app/assets/icon.png
Terminal=false
Type=Application
Categories=Development;

jagamts1

@permission_classes((IsAuthenticated,))
@authentication_classes([JSONWebTokenAuthentication, ])
class ImageUploadAPI(APIView):
    def post(self, request):
        serializer = ImageSerilaizer(data=request.data)
        if serializer.is_valid():
            try:
                company = UserCompany.objects.get(user=request.user).company
                db_name = company.db_name