How To Remove PostgreSQL

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Sometimes during a software install, things go sideways and you realize that not all of the program downloaded or the install was interrupted for some reason leaving you with incomplete files and empty directories. Honestly, this is an rare occurance but it can happen from time to time. This then begs the question; So how do I completely uninstall recently installed software? In this tutorial, we’ll be safely removing PostgreSQL from our Liquid Web Ubuntu 16.04 server.  

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How to Revert a Windows Update

Reading Time: 2 minutesWindows periodically checks for the latest updates and security features for your devices. Automatic updates are implemented with the intention of running your device smoothly and securely. With top security in mind, most Liquid Web servers are set to automatically install these updates thus saving you the task of remembering to implement critical updates or patches.

The vast majority of the times, windows updates complete successfully, keeping you and your customers safe.  These updates rarely cause any server issues, but you may find that you want to roll back an update due to an unforeseen server change.  Fear not, in this tutorial we’ll show you how to easily undo a Windows update on 2016, 2008R2 and 2012R2 servers.

Note
Liquid Web customers have the option to install automatic updates themselves. In these cases, security patches are updates fall under the responsibility of the account owner.

 

Server 2016 with Windows 10

  1. Click on the Start button, search for Windows Update and hit Enter.
  2. Go to View Update History and select Uninstall Updates.  Click the update you are wanting to uninstall/remove. (Generally, these are the most recent installs.)
  3. When the installed update window comes up, you can see the updates by name, KB number, type of program, version, and even the date of installation.
  4. Select the update and choose Uninstall.  Follow the on screen instructions.
  5. Depending on the update, there may be a need to reboot the server to complete removal.
  6. While you are still in the Windows Update screen, select the offending update and click Hide Update.  ** Once the Update is fixed and it is safe to install, then you can go in and manually install it on your system.

Complete the removal of the update by rebooting the server.

 

Server 2008R2 and 2012R2 with Windows 7/8

  1.           Go to the Start button and select Control Panel.
  2.           Go to Programs >> Uninstall a program.
  3.           Select the program and right-click to Uninstall.
  4.          Select the update you would like to revert.
  5.           Select Yes to uninstall the selected update.
  6.           Select the Restart Now button.
  7.           While you are still in the Updates screen, select the offending update and right-click, to select Hide Update.  ** To re-instate the update you can manually install it on your system.

Complete the removal of the update by rebooting the server.

Still having issues with reverting a Windows update? Liquid Web customers enjoy 24/7 support with our Managed Dedicated and VPS servers. Find out today why we are the most loved in hosting!

 

How To Remove a User from a MySQL Database in cPanel

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This tutorial assumes you’ve already logged in to cPanel, and are starting on the home screen.  Let’s learn how to remove a user from a database.

  1. Click the “MySQL Databases” icon.cpanel-pl-mysql-7-removeuser-02
  2. In the table of databases, locate the database you wish to remove a user from, locate the specific user assigned to that database that you want to remove and click the delete icon.cpanel-pl-mysql-7-removeuser-04
  3. Click “Revoke User Privileges from Database” to confirm.cpanel-pl-mysql-7-removeuser-05
  4. That’s it! The user has been removed from the database.cpanel-pl-mysql-7-removeuser-06
  5. The user hasn’t been deleted … you can see it’s still listed in the list of current users. It has simply been removed from that database.cpanel-pl-mysql-7-removeuser-07

 

DNF (Dandified Yum) Command Examples: Install, Remove, Upgrade, and Downgrade

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DNF (Dandified Yum) 101: Basic Package Manager Interaction
I. What is DNF (Dandified Yum)?
II. DNF Examples: Install, Remove, Upgrade, and Downgrade

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How to Remove (Delete) a User on CentOS 7

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Users via Command Line 101: Basic User Interaction
I. How to Add a User and Grant Root Privileges on CentOS 7
II. How to Remove (Delete) a User on CentOS 7
Pre-Flight Check
  • These instructions are intended specifically for removing a user on CentOS 7.
  • I’ll be working from a Liquid Web Core Managed CentOS 7 server, and I’ll be logged in as root.

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