Found 17 results

Create a Backup Server on Linux

How to create a backup server on Linux is just another quick and easy tutorial from Tufora.com that will guide you step by step to create in just a few minutes your own Linux backup server based on CentOS 7 operating system and also system storage manager (ssm) utility. Even if we are living in the age of Cloud technology with so many nice tools available out there like storage buckets, blob stores and many other trendy names some of us may still need to keep the data safe somewhere on premises. This could be due data sensitivity or maybe […]

Category: General | Published: 06/07/2018 | Updated: 05/11/2018

Create MySQL slave by cloning

In 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: | Updated: 05/11/2018

How to create partitions larger than 2TB in Linux

It’s well known that is impossible to create partitions larger than 2TB in Linux using the default utility fdisk that comes with most of Linux distros, at least for now. In this short tutorial we’ll learn how to create larger than 2TB partitions using parted utility instead of fdisk on CentOS Linux. Assuming that we have to add three new disks to a new fictive server called mydbhost that will be used for a MySQL service for example, being master, slave, standalone it doesn’t matter, all that we care is the partitioning bit. Installing parted utility We can start our […]

Category: General | Published: 04/06/2018 | Updated: 05/11/2018

How to install Elasticsearch 2.4 and OpenResty on CentOS 7

In this tutorial we’ll explain how to install and configure a three node Elasticsearch 2.4 cluster on CentOS 7. Also, we’ll learn how to install OpenResty that will provide a layer of security for our Elasticsearch cluster, Elasticsearch-HQ that will give us some nice metrics, Kopf plugin and of course Kibana. Why ES 2.4? Well it’s complicated but lets say we’ve choose 2.4 just because this particular version isn’t supported anymore by Elastic and some of you may be “forced” to use this version for a while until you redesign your software to comply with a newer version in terms […]

Category: Security | Published: 18/04/2018 | Updated: 05/11/2018

How to generate CSR in Linux

In this example we will explain how to generateĀ CSR in Linux using shell prompt or terminal window. A CSR is mostly required when you want to secure for example a website or a connection between one or more services that requires a secure connection. Any SSL issuer will always ask you to generate and present a CSR. We’ve chose CentOS for this Certificate Signing Request example as our main operating system. Required packages First step is to make sure that we have openssl and openssl-devel packages installed and updated in order to generate our very first CSR. The package manager […]

Category: Security | Published: 24/01/2018 | Updated: 05/11/2018