Evgeniy Goryuchkin lafayette

Error

The authenticity of host 'github.com (140.82.113.4)' can't be established.

Fix

ssh-keyscan github.com >> ~/.ssh/known_hosts

Migrations & Seeding

What are migrations??

Migrations are a way to make database changes or updates, like creating or dropping tables, as well as updating a table with new columns with constraints via generated scripts. We can build these scripts via the command line using knex command line tool.

To learn more about migrations, check out this article on the different types of database migrations!

Creating/Dropping Tables

README

Let Tomcat is download and installed under /opt/tomcat. Also, let tomcat be a non-provileged user under which the server will be running.

We assume that we keep server's binaries under /opt/tomcat and we will create a server instance named foo under /var/tomcat/ (carrying its own conf, logs, webapps, work, lib directories). See also https://dzone.com/articles/running-multiple-tomcat.

Create a template service unit file at /etc/systemd/system/tomcat@.service:

Procedure for Mongodb Logrotate

The default install for Mongodb does not configure log rotation.

In /etc/logrotate.d/mongod

/var/log/mongodb/*.log {
    daily
    rotate 30
    compress

dateext

	Meta (Instagram, Facebook)
	// Узлы
	157.240.253.174, 157.240.253.172, 157.240.253.167, 157.240.253.63, 157.240.253.32
	157.240.252.174, 157.240.252.172, 157.240.252.167, 157.240.252.63, 157.240.252.38
	57.144.112.34, 57.144.110.1, 157.240.205.174, 87.245.223.97

	// Подсети
	213.102.128.0/24
	204.15.20.0/22
	199.201.0.0/16

	wget https://www.python.org/ftp/python/2.7.18/Python-2.7.18.tgz
	tar xzf Python-2.7.18.tgz
	cd Python-2.7.18
	sudo ./configure --enable-optimizations
	sudo make altinstall
	sudo ln -s "/usr/local/bin/python2.7" "/usr/bin/python"

	import io.ktor.application.ApplicationCall
	import io.ktor.application.call
	import io.ktor.http.HttpMethod
	import io.ktor.routing.Route
	import io.ktor.routing.Routing
	import io.ktor.routing.route
	import kotlin.reflect.KFunction
	import kotlin.reflect.full.callSuspendBy
	import kotlin.reflect.full.declaredMemberFunctions
	import kotlin.reflect.jvm.javaType

	:do {
	:do {
	/file remove "/ipsum.rsc";
	/file remove "/subnet.rsc";
	} on-error={}

	:put "Downloading ipsum.rsc...";
	:do {
	/tool fetch url="https://antifilter.download/list/ipsum.rsc" dst-path="/ipsum.rsc"
	} on-error={

	'use strict';

	const moment = require('moment');

	/**
	* Returns a {key: value} object where the key is a start date and the value is the date + 1 of the type of interval
	* to the start date. When for weeks or months, it shows just the first date of the week/month.
	*
	** For days (start: '2017-12-25', end: '2018-01-02', interval: 'day'):
	{ '2017-12-25': '2017-12-26',

	SELECT table,
	formatReadableSize(sum(bytes)) as size,
	min(min_date) as min_date,
	max(max_date) as max_date
	FROM system.parts
	WHERE active
	GROUP BY table