In this guide, we will see how we can install a new hard drive into a linux system. This operation requires partitioning, formatting and mounting the drive. Lastly, we will see how to edit the /etc/fstab in order for the drive to be automatically mounted at a system reboot. This guide applies to all linux systems, though its been only tested in an Ubuntu Server machine. Find the logical name of the drive The logical name of the drive will be like /dev/sd*, where *=b,c,d,.

Install Postfix Install postfix and mailutils if not already installed: sudo apt install postfix mailutils Postfix Configuration Screen In the screens, that will show up when installing postfix: General type of mail configuration: Choose Internet Site System mail name: It will be the domain part of our emails, so if you choose the default which is the systems hostname e.g. serverhostname, Postfix will use the address someuser@serverhostname You can use serverhostname.

In this post, we will see how can change our default shell from bash to zsh. Zsh is a shell designed for interactive use, and can offer features that bash does not have, or it is difficult to implement and add. Some of these features are: Auto Correction, Syntax Highlighting, Autosuggestions, and many more. These features can be come even more easier to add, if we use a framework for zsh, like Oh My Zsh.