Found 35 results
List users from multiple AWS accounts using Python
List users from multiple AWS accounts using Python is our next tutorial where we will learn how to access AWS APIs using Boto3 package and also how to use pprint package to list all results in a easy to read format, we heard about the term human readable too but we think is not the right way of saying it, at least not in this particular case. Please rest assured that we won’t talk or debate in this tutorial about what Cloud Hosting provider is the best or not and we will simply resume talking about how to get all […]
Category: Python | Published: 13/11/2018 | Updated: 14/11/2018Setup 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: 15/11/2018Rename MySQL table, sometimes we need to rename a table during a database update or for any other solid reason. In this short step by step guide we will show you how easy is to rename one or even more MySQL tables in a database using only MySQL client, the answer to “how do I rename a mysql table” question is right here in this short article. Please bear in mind that in our tutorial we have used MySQL 5.7 to rename tables but this solution could be easily applied even for lower or higher MySQL versions. As always, before […]
Category: MySQL | Published: | Updated: 07/11/2018