Dzhan85

# Juniper SRX cheatsheet

#Help

help 
<command> ?

#Show

show configuration 

Dzhan85

MySQL

Getting started:

• http://www.sqlteaching.com/
• https://www.codecademy.com/courses/learn-sql

Related tutorials:

• MySQL-CLI
• Analyzing Business Metrics

Dzhan85

###############################################################################
# The MIT License
#
# Copyright 2012-2014 Jakub Jirutka <jakub@jirutka.cz>.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is

Dzhan85

Master: Dependencies

DISABLE SWAP: This is how to disable the swap file in Ubuntu 17.04

To turn off the swapfile. Run the following command:

sudo swapoff /swapfile

Now disable the swap file in /etc/fstab. I'm using Vim.

Dzhan85

#!/bin/bash
# A script to backup GitLab repositories.

GLAB_BACKUP_DIR=${GLAB_BACKUP_DIR-"gitlab_backup"}                   # where to place the backup files
GLAB_TOKEN=${GLAB_TOKEN-"YOUR_TOKEN"}                                # the access token of the account
GLAB_GITHOST=${GLAB_GITHOST-"gitlab.com"}                            # the GitLab hostname
GLAB_PRUNE_OLD=${GLAB_PRUNE_OLD-true}                                # when `true`, old backups will be deleted
GLAB_PRUNE_AFTER_N_DAYS=${GLAB_PRUNE_AFTER_N_DAYS-7}                 # the min age (in days) of backup files to delete
GLAB_SILENT=${GLAB_SILENT-false}                                     # when `true`, only show error messages
GLAB_API=${GLAB_API-"https://gitlab.com/api/v3"}                     # base URI for the GitLab API

Dzhan85

List of sites with free tier limits

• Docker Hub - One private repo/image spot for free
• Three Scale - Very generous free tier 50GB of space, 500 Pulls a month etc..
• Canister - 20 private repos with almost no limits on free tier
• Code Fresh - Free tier for developers

Setup your own private registry

• Setup Private Docker Registry - Digital Ocean hosted Tutorial

Dzhan85

#configuration of router
	conf t
	hostname ""
	enable secret ""
	line console 0
	logging synchronous
	password ""
	login
	exit
	line vty 0 4

Dzhan85

IPTables setup for a Linux-based Router

The following script will set the router's firewall to reject every thing coming from the WAN, while forwarding all the traffic from LAN to WAN.

#!/bin/sh

PATH=/usr/sbin:/sbin:/bin:/usr/bin

WAN=enp2s0

Dzhan85

#!/bin/bash
ip4="192.168.168"
ip6="fd00:168:168"
lan="eth0"
wan="eth1"

1_interfaces () {
cat << EOF > /etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE="eth0"
NM_CONTROLLED="no"

Dzhan85

echo "Обнуляем правила"
iptables -X
iptables -t nat -X
iptables -F
iptables -t nat -F

echo "Блокируем весь трафик"
iptables -P INPUT DROP
iptables -P OUTPUT DROP
iptables -P FORWARD DROP