Generate Certificate Signing Request (CSR) for Apache2

This brief tutorial shows students and new users how to create a certificate signing request for Apache2 on Linux systems?

Certificate signing request is the first step you take in acquiring trusted SSL/TLS certificates for your domain. If you need to protect the information being transferred between your web server and client’s browsers, you must install SSL/TLS certificates.

Before you can generate SSL certificates, you must first generate or create a CSR request and provide that to the certificate provider. The provider will then use the request to generate a certificate for your server.

The CSR request contains information that will be used to create the certificate. These include, the organization name, common name (domain), locality, country and more.

It also contains the public key that is used to generate a certificate. A private key is also created during the time of the CSR creation.

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Setup NFS Mounts on Ubuntu Servers

This brief tutorial shows students and new users how to setup NFS mount points for NFS client access on Ubuntu systems.

NFS or Network File System, is a distributed file system that can be enabled in a client/server environment. NFS is very easy to configure for those wishing to allow NFS client machines to access NFS mount points on a server using NFS protocol.

This brief tutorial shows users how to setup NFS mount points on a server for client access. It should be quick and easy to understand, even for new users.

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How to Use MySQL Wizard in cPanel to Create Databases

This brief tutorial shows students and new users how to use cPanel MySQL Database wizard to create WordPress databases.

Few days ago we showed students and new users how to create MySQL WordPress databases via cPanel. We also mentioned in that post that cPanel was developed to help new users and beginners manage websites and domains easily.

Advanced users can use Linux and the command line terminal to manage servers and other complicated setups. However, for students just starting out managing websites, cPanel should be the way to go.

Creating and managing cPanel databases via cPanel is easy. There are two ways to do this. One way is using cPanel MySQL database portal to create and manage databases.

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Create WordPress MySQL Databases via cPanel

This brief tutorial shows students and new users how to you create WordPress MySQL databases via cPanel.

For students and new users who are just starting out managing online websites and blogs, there’s the easy way and the hard way. Most new users  are encouraged to go via the easy way.

The hard way is for advanced users. Those who have spent countless hours managing websites and/or blogs online. They are comfortable using the command line interface and configuring Linux servers.

Because of the challenges of come with managing websites and domain the hard way, folks developed tools to help with that process. Tools such as Cpanel and others were developed so that new users can manage websites and domains easily without learning how to configure Linux servers or complicated systems.

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Manage VirtualBox Remotely on Ubuntu with phpVirtualBox

This brief tutorial shows students and new users how to manage VirtualBox on a remote Ubuntu server with phpVirtualBox.

Again, we’ve discussed this many times. If you’re planning to be an IT professional or working on your exams, one very important tool to have handy is a virtualization software.

Virtualization software like VirtualBox and VMware Workstation Pro  or VMware Players allow users to run multiple guest operating systems simultaneously on a single host computer.

We’ve also described instructions to install these popular virtualization software on Ubuntu and Windows systems on this website.

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Replacing LibreOffice with OpenOffice on Ubuntu

This brief tutorial shows students and new users how to replace LibreOffice productivity suite with OpenOffice on Ubuntu desktops.

Students who are thinking of using OpenOffice productivity on Ubuntu systems, this brief tutorial shows you how to do just that.

As you all know, all Ubuntu desktops come with LibreOffice installed. This is the default productivity tool on most Linux systems including Ubuntu. But this wasn’t the case a few years back.

LibreOffice only became the default productivity suite after OpenOffice parent company (Oracle) made some changes to its licensing terms that had folks angry and started LibreOffice project.

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Protect LibreOffice Documents with Passwords

This brief tutorial shows students and new users how to password protect documents created in LibreOffice.

For those using LibreOffice productivity suite, this brief tutorial is going to show you how to password-protect documents created with LibreOffice Suite.

When a document is password-protected, authorized users won’t be able to open, read or modify it. This is a great way to make sure confidential information are kept private.

Because LibreOffice uses very strong encryption algorithm, forcing your way or bypassing a password-protecting document is almost impossible.

The document owner who loses the password will also be denied access. It’s that secured. The owner may never be able to open that document again.

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Enable WordPress 2-Factor Authentication and Single Sign On

This brief tutorial shows students and new users how to enable 2-factor authentication and Single Sign On for WordPress blogs.

One great way to protect your WordPress blogs from brute force attacks and other unauthorized access is to enable 2-factor authentication.

Two-factor authentication is a security measure that identifies a user by means of passwords as well as something unique to that user, like a phone number.

When a user enable 2-factor authentication and single sign on, the user must type his/her password and well as the authentication code sent to the users mobile device.

If an attacker gain access to your password, he/she will also need you mobile device in order to access WordPress as you. He/she will not able to gain access to your WordPress CMS with just only a password.

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Group Management on Ubuntu System

This brief tutorial shows students and new users how to add users to groups on Ubuntu 18.04 | 16.04.

When you create a new account on a Ubuntu system, the account is automatically limited. The account is considered a standard account with no administrative privileges.

If you want this user to carry out specific administrative tasks, you either have to give increase the user’s role to root or add the user to a group that has access to do those tasks.

Previously, Ubuntu had a great package that came with Gnome to manage users and groups but with the introduction of Unity, all those packages were considered legacy applications and removed.

Now, there’s no easy way to added/remove users from groups. This brief tutorial is going to show students and new users how to add or remove users from groups on Ubuntu systems.

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How to Change WordPress User Passwords

This brief tutorial shows students and new users how to change a WordPress login password via the database on Ubuntu.

This lesson is about resetting or changing WordPress’ user password from the database server. Students who are new to WordPress sometimes forget their passwords and learning how to reset passwords from the database may come in handy someday.

WordPress is great at resetting forgotten passwords. There’s a password reminder link on WordPress logon page that  sends a reset link to the registered admin email address on file. So, locking yourself out of WordPress can be pretty difficult.

However, I’ve been there before where I was locked out and couldn’t reset my password from the portal.

The admin account had a registered email address that I didn’t have access to, at least when I needed it right away.

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