sivakumarbdu

sysctl vm.overcommit_memory=1
sudo su 
echo never > /sys/kernel/mm/transparent_hugepage/enabled
sudo sysctl -w net.core.somaxconn=6553 *
#edit file sudo nano /etc/rc.local  and add 
  sysctl -w net.core.somaxconn=65535

sivakumarbdu

insert into person (data) values('{"0":{"name":"Kiera Halvorson","email":"[email protected]","interest":["memes","agriculture"],"age":25},"1":{"name":"Golden Lynch","email":"[email protected]","interest":["DIY home","electronics"],"age":43},"2":{"name":"Alex Zemlak","email":"[email protected]","interest":["garden design","DIY home"],"age":59},"3":{"name":"Diana Jakubowski","email":"[email protected]","interest":["farming","farming"],"age":59},"4":{"name":"Pedro Stroman","email":"[email protected]","interest":["infography","agriculture"],"age":29},"5":{"name":"Bobby Boyle","email":"[email protected]","interest":["farming","DIY home"],"age":53},"6":{"name":"Lacy Koss","email":"[email protected]","interest":["farming","farming"],"age":19},"7":{"name":"Murl Fisher","email":"[email protected]","interest":["electronics","ai"],"age":37},"8":{"name":"Isaiah Boyle","email":"[email protected]","interest":["garden design","ai"

sivakumarbdu

interest= ["nature", "agriculture", "farming", "ai", "infography", "memes", "DIY home", "electronics", "web design", "garden design"]

survey_data = {}

10000.times do | n |
  primary_interest = interest[Random.rand(interest.size)]
  secondary_interest = interest[Random.rand(interest.size)]
  survey_data[n.to_s] = {:name => Faker::Name.name, email: Faker::Internet.email, 
    interest: [primary_interest, secondary_interest], age: Random.rand(18..65)}
end

sivakumarbdu

{"0":{"name":"Kiera Halvorson","email":"[email protected]","interest":["memes","agriculture"],"age":25},"1":{"name":"Golden Lynch","email":"[email protected]","interest":["DIY home","electronics"],"age":43},"2":{"name":"Alex Zemlak","email":"[email protected]","interest":["garden design","DIY home"],"age":59},"3":{"name":"Diana Jakubowski","email":"[email protected]","interest":["farming","farming"],"age":59},"4":{"name":"Pedro Stroman","email":"[email protected]","interest":["infography","agriculture"],"age":29},"5":{"name":"Bobby Boyle","email":"[email protected]","interest":["farming","DIY home"],"age":53},"6":{"name":"Lacy Koss","email":"[email protected]","interest":["farming","farming"],"age":19},"7":{"name":"Murl Fisher","email":"[email protected]","interest":["electronics","ai"],"age":37},"8":{"name":"Isaiah Boyle","email":"[email protected]","interest":["garden design","ai"],"age":38},"9":{"name":"Mr. Pasqu

sivakumarbdu

version: "3"
services:
  app:
    image: eclipse/che
    command: start
    environment:
      - CHE_MULTIUSER=true
      - CHE_HOST=public_ip_addr
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock

sivakumarbdu

ssh-keygen -i -f id_dsa_1024_a.pub > id_dsa_1024_a_openssh.pub

sivakumarbdu

source 'https://rubygems.org'
gem 'rails', '5.0.0.1'

sivakumarbdu

sudo -u postgres psql
password postgres

from:

 local   all             all                                     peer
 to:
 
 local   all             all                                     md5
 

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#sudo may required for un previliged user

#check running process
docker-compose ps  
#kill process
docker-compose kill
#remove containers
docker-compose down
#start and up containers
docker-compose up

sivakumarbdu

pg_dump  -F c -h  localhost -U pg_user -d db_name  | gzip -c > sql_dump.gz

#-F format c -> custom 


#Restore

pg_restore -U username  -d db_name -v dumpfile_location   -h localhost