Grin941

# -*- mode: ruby -*-
# vi: set ft=ruby :

hosts = {
  "grin941JobApi" => "192.168.33.16",
  "grin941Server" => "192.168.33.15"
}

Vagrant.configure("2") do |config|
  hosts.each do |name, ip|

Grin941

-- run psql -E -> so every command will print related queries**

-- Get table pg_class.id
SELECT c.oid,
  n.nspname,
  c.relname
FROM pg_catalog.pg_class c
     LEFT JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace
WHERE c.relname ~ '^(YOUR_TABLE_NAME)$'
  AND pg_catalog.pg_table_is_visible(c.oid)

Grin941

Bandit wargame

Level 0 -> Level 1

The password for the next level is stored in a file called readme located in the home directory.

$  ssh [email protected] -p 2220
$  cat readme

Grin941

CPU info: less /proc/cpuinfo

RAM info: free -mh

Grin941

ACID

How does a relational database work

A beginner’s guide to ACID and database transactions

A beginner’s guide to database locking and the lost update phenomena

A beginner’s guide to read and write skew phenomena

Grin941

Markdown syntax

Header

Unordered list

• Item 1
• Item 2
  • Item 2.1
  • Item 2.2