Found 21 results
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: 14/12/2018Empty file content on Linux can be quite handy when for example you want to empty a small or a very big log file or any other similar files that could take long time to open, select all lines and finally remove these lines. We know is not so complex to go down this path but for sure is time consuming, too many operations we would say for such a simple task. This quick tutorial will show you ten easy ways how to empty a file on Linux without opening or editing files, nothing fancy or advanced stuff but as […]
Category: General | Published: 06/11/2018 | Updated: 06/11/2018Kubernetes Cluster setup on CentOS
Kubernetes Cluster setup on CentOS isn’t that difficult anymore as it used to be in the past where we had to perform some major OS changes in order to build a proper environment. In this short tutorial we will guide you step by step how to actually set up a simple Kubernetes Cluster based on CentOS 7.5 and Kubernetes 1.12.1. Exactly like any other cluster a Kubernetes Cluster must always have an odd number of nodes like 3, 5, 7 and so on but in this particular tutorial we will resume to use only 3 nodes, one master node and […]
Category: Docker | Published: 23/10/2018 | Updated: 02/10/2019SSH 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: 15/11/2018In 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: 23/04/2019In this tutorial called create MySQL slave by cloning we’ll try to guide you through a very detailed but in the same time simple process to create a MySQL slave, also known as MySQL replica, by using a fresh backup taken from an existing MySQL server referred here as MySQL master server. Assuming that our master database is 11TB large we’ll have to copy its data content from US, where the master server is located to another server located in a UK data centre, not quite an easy task with this amount of data or without using a costly commercial […]
Category: MySQL | Published: 06/07/2018 | Updated: 05/11/2018