All posts tagged:

ubuntu-linux

How to Install the Webmin on Ubuntu 20.04

Background We spin a few Virtual Machines on Microsoft Azure for the internal network, and the image has no Webmin installed by default – not like in this previous post – A Complete Setup Guide for Contabo VPS Ubuntu 20.04 with preinstalled Webmin + LAMP. Webmin is a web-based tool…

How to Install and Configure OpenVPN on Ubuntu

Background Over time, we use multiple VPN products such as ExpressVPN and IPVanish and they are excellent products. But then we found that it’s underutilised so we decided to find alternative but cost-effective. We found OpenVPN which is open-source. Since we have multiple virtual machines in the clouds, we decided…

Troubleshoot for not being able to Receive a Test Email from Webmin on a particular Domain

Background When we run a test from the Webmin for sending an email, the recipient of a particular domain (not just one user – it’s multiple users) is not be able to receive an email from the host. However, other domains received the email with no problem. Solution Recipient Side…

Troubleshooting ERROR 1045 (28000): Access denied for user ‘root’@’localhost’ (using password: NO)

Background After the virtual machine has been provisioning with LAMP and you check the MariaDB status systemctl status mariadb The MariaDB status showed the ERROR 1045 (28000): Access Denied for user ‘root’@’localhost’ (using password: NO). It happened before BUT no documentation to fix this. Solution From the other cloud services…

How to Harden the Ubuntu Server in 2022

As we spun out more virtual machines on the cloud for web and application hosting and started managing this environment ourselves, we began compiling our own guide on how to harden an Ubuntu server for better protection from hackers. Here is the setup: Enabling Automatic Updates Most servers get hacked…

A Complete Setup Guide for Contabo VPS Ubuntu 20.04 with preinstalled Webmin + LAMP

I haven’t touched the Linux server for ages and getting used to it with Cpanel or Parallel. When configuring natively with Ubuntu, it sounds very intimidating, however, it turned out it’s not too bad as I thought – it’s like riding a bike all over again 🙂 I set up…