Found 6 results

SSH client configuration for Jump Host

SSH client configuration for Jump Host is just a simple, fast and efficient way to configure your local SSH client to remote access via SSH other external networks / hosts. In the same time we can say that this solution adds a layer of security as well if your environment is not so secure for whatever reason, we have seen this quite often but let’s not talk about this yet. In this short tutorial we will try explain in a very simple way how you may configure your local SSH client configuration file in order to connect straight to one […]

Category: Security | Published: 10/08/2018 | Updated: 15/11/2018

Generate SSH Key – Linux, Mac and Windows

In this quick tutorial, Generate SSH Key, we will learn more exactly how to generate a SSH Key in Linux or Mac using a terminal window and also in Windows using Putty. Before we start our little journey we should be clear about one thing, all SSH Keys consists of two parts, a Private Key and a Public Key. In this article we’ll generate both these keys and we’ll learn the importance but also the difference between these two. What is a Pivate Key As we said in our introduction a SSH Key contains a Private Key and a Public […]

Category: Security | Published: 09/02/2018 | Updated: 05/11/2018

Create CoreOS Container Linux Ignition File

With all recent changes within CoreOS’s Container Linux distribution one of the most notable change is related to the Ignition file, basically this file handles the configuration for any Container Linux installation and we can say that it is pretty powerful. The concept behind this is somehow simple but as we have already said, quite powerful, allowing the users to configure the operating system right from the start with all basic and advanced settings needed. In this short tutorial we will cover the basics of how to create a simple .yaml CoreOS Container Linux ignition config file and how to […]

Category: General | Published: 10/01/2020 | Updated: 10/01/2020

Setup an SFTP Server on CentOS

Set up an SFTP server on CentOS is our next tutorial where we will guide you as always, step by step, how to build from scratch such a server. We all agree that an SFTP server can be quite handy or sometimes a must if for example one or more applications within our stack requires file transfer between different processing steps or maybe for backups. In this tutorial we will learn how to build an SFTP server on CentOS 7 and OpenSSH 7.4 and also providing you two authentication solutions, first one being based on using basic password authentication and […]

Category: General | Published: 08/11/2018 | Updated: 14/12/2018

Dump MySQL Table and Import

In this tutorial called dump MySQL table and import we will learn how to export a single database table using mysqlpump utility instead of exporting an entire database and also we will guide you how to import a single database table using different methods. Exporting a single table can be very handy when you have to update or replace another database table that is not part of a cluster or maybe you simply need it for your development environment to perform some quick changes or various tests. In this example we will use MySQL 5.7 and MySQL Client (CLI) based […]

Category: MySQL | Published: 08/08/2018 | Updated: 23/04/2019

How to create user in Linux

In this example we will explain how to create user in Linux and how to protect this user by setting up a password for it, we will demonstrate how to create a user account and not a system account. For this particular example we’ll use CentOS 7 as our main operating system and all the above tasks will be performed using shell prompt. Connecting to our environment As we mentioned before will be using shell prompt in our example and we’ll have to initiate a SSH connection in order to connect to our CentOS 7 environment. We can use Putty […]

Category: General | Published: 08/02/2018 | Updated: 05/11/2018