Sometimes package management on Ubuntu or Debian gets stuck because apt or dpkg can’t acquire a lock. This usually happens if an upgrade, install, or update process was interrupted or if another process is still running in the background. The error looks like this: Here’s a short guide on how to safely resolve the problem….
If you’re a system administrator still managing LXD servers alongside newer Incus deployments, you may have recently encountered a frustrating error when trying to create new containers. This post will help you resolve the image repository access issue that emerged following Canonical’s reorganization of LXD resources. The Problem When attempting to launch a new container…
Redis is a popular open-source in-memory data structure storage that is often used as a caching layer for Web applications. In the context of PHP MySQL applications, such as WordPress, Redis can be used as an object cache to speed up application performance. Object caching is a technique that involves storing the results of expensive…
In a previous article, we showed you how to set up a full LEMP stack on Ubuntu 22.04 with the latest stable version of Nginx, MariaDB and PHP, which will serve as the foundation for a reliable and performance-focused hosting platform. Nginx is a fast, lightweight and powerful web server that can also be used…
While you could perform common management of multiple LXD containers with tools like Ansible or Puppet, in this tutorial we are going to show how to work with a simple script that runs on the host and automatically updates/upgrades all running Debian/Ubuntu-based containers. We could extend the script to perform other tasks or include updates/upgrades…
A new client recently asked to upgrade a still functioning Mautic 2.15.3 running on Ubuntu 18.04 to the latest Mautic v3. In this guide, we will look at how this can be achieved and what to look out for. If you are running Mautic on a VPS or in a LXC/LXD container, it is highly…
By default Ubuntu SSH root login is disabled and root password has not been set. However, many system administrators prefer to work as root to avoid having to use “sudo” for almost every command and enter passwords over and over again. To allow root login over SSH we first need to set the root password…
To send mail messages from a Linux server, you need to install an MTA to take care of this task. If you don’t want to use a full MTA like Postfix or Sendmail, sSMTP is a good lightweight alternative that is easy to install and configure. However, you do need a relay SMTP server to…
If you want to use HDD’s on which a raid array was created in a previous server setup we recommend to reset the HDD’s removing all existing partitions and raid arrays before starting a fresh installation using the Ubuntu installer (or any other Linux OS installer). Instructions on how to perform a full reset can…
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