General
Resize RAID 0 array by adding new disks
In this tutorial called Resize RAID 0 Array by Adding New Disks we will learn how to extend an existing RAID 0 Array in just a few easy steps via CLI. Before starting to resize your RAID 0 array please do take a backup of your data, this is very important as the resize action can lead to data loss. It’s well known that RAID 0 architecture by definition is very fast but in the same time it is not the safest, at any time one of the disks can fail and the entire array could be lost. It is […]
Category: General | Published: 10/01/2019 | Updated: 23/04/2019Terminal keyboard shortcuts are very handy, no doubt about this, can save you a lot of time especially when your job is based on using on a daily basis the terminal window, being on your workstation or other remote terminals that you are interacting with. Mastering these terminal keys will clearly give you a huge advantage, as we said previously in terms of time and also productivity, on the same note we can also say that is a must to learn and use these shortcuts. Terminal Keyboard Cheatsheet Lets open now a terminal window and test all below keyboard shortcuts […]
Category: General | Published: 13/12/2018 | Updated: 16/12/2018Yum duplicate package error can occur anytime and most of the times when servers are under provisioned in terms of hardware capacity like RAM memory or even CPU. This can happen when a small server needs to perform multiple updates that requires more resources than usual making the update process almost impossible. Of course, failure is not an option and we will do our best to explain in this short tutorial how to fix yum duplicate errors by using yum-utils utility. So before we start our little journey fixing those yum errors we must say that this solution has been […]
Category: General | Published: 14/11/2018 | 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: 06/11/2018Setup NFS Server and NFS Client on CentOS 7
In this tutorial we will learn how to set up NSF Server and NFS Client on CentOS 7 operating system, setting up or managing a NFS server or a NFS client is not quite a complex task at all, we’ll do our best to explain this entire process in the most simple possible way. We can use the set up from this tutorial for various small network sharing applications like setting up a backup server or maybe a simple file server etc., either way NFS package is always a good candidate to start with. Network File System (NFS) has been […]
Category: General | Published: 17/07/2018 | Updated: 26/08/2019