Servers

Here’s Why Self-Hosting a Server Isn’t a Good Idea

Setting up your own home server for media streaming, file storage, or other tasks gives you full control of your own data, and it can be a lot of fun. However, there are many reasons why you shouldn’t do it….

Corbin Davenport Nov 21st

How to Increase a KVM Virtual Machine’s Disk Size

KVM is a virtualization technology that’s integrated into the Linux kernel. You can create virtual machines and interact with KVM using tools such as virsh, virt-manager, and GNOME Boxes.

James Walker Oct 12th

How to Hide Apache’s Version Number and Operating System Information

Apache is one of the most popular web servers but its default configuration contains questionable choices on many Linux distributions. Apache tends to advertise its specific version and the platform it’s running on, informati…

James Walker Sep 13th

How to Deploy a Ghost Blog With Docker

Ghost is a popular content creation platform that’s written in JavaScript with Node.js. The open-source software comes with everything you need to author, theme, publish, and maintain your own blog.

James Walker Jan 21st

How to Set Up a Reverse Proxy With Apache

Apache is a versatile web server which offers a full complement of supporting features, some of them via extensions. In this article, we’ll use the mod_proxy module to configure Apache in a reverse proxy role….

James Walker Jan 10th

How to Configure Minio as a Shared Cache For GitLab CI

Minio is a self-hosted object storage system that’s compatible with the Amazon S3 API interfaces. In this guide, we’ll use Minio to set up shared caching for GitLab Runner as an alternative to a cloud-hosted object storage so…

James Walker Jan 4th

How to Use lsusb in Linux (With a Practical Example)

Learn how to use the lsusb tool in Linux with a practical example. The lsusb will list all USB devices in a system and USB hubs and provide detailed information on each of them.

Roel Van de Paar Dec 16th, 2021

How to Use lsmod in Linux (With a Practical Example)

The Linux Kernel is a mystery to most, but it need not be! Welcome to the exciting world of lsmod, a tool that lets you peek at what modules the Kernel is using, and more!

Roel Van de Paar Dec 15th, 2021

How to Run a Local Network DHCP Server with Dnsmasq

Dnsmasq is a lightweight network server providing DNS, DHCP, TFTP, and PXE functions. In this guide, we’ll look at configuring a fresh Dnsmasq installation as a standalone DHCP server.

James Walker Dec 15th, 2021

What Are Kubernetes Controllers and Operators?

The Kubernetes terms “controller” and “operator” refer to two different patterns that transition a cluster into a desired state. Controllers are an established concept whereas Operators have emerged more recently to describe …

James Walker Dec 14th, 2021

How to Use lshw in Linux (With a Practical Example)

What if there was a command which would let you, in an easy-to-read format, view all of the hardware in your Linux system? Welcome to lshw, the great tool often overlooked even by seasoned Linux professionals….

Roel Van de Paar Nov 24th, 2021

How to Run Your Own DNS Server on Your Local Network

Running your own DNS server is a great way to accelerate your network’s responsiveness, reduce your reliance on public infrastructure, and benefit from extra functionality like hostname routing. Here’s how to set up a DNS ser…

James Walker Nov 16th, 2021

DKIM, DMARC, and SPF: Setting Up Email Security

DKIM, DMARC, and SPF are the three main mechanisms maintaining the security of emails. The related protocols let you prevent unauthorized servers from sending as your domain and give recipients a way to verify emails really c…

James Walker Nov 4th, 2021

How to View Kubernetes Pod Logs With Kubectl

Viewing Pod logs is often the first step in diagnosing a problem with your cluster’s workloads. Here’s how to use Kubectl to live stream logs to your terminal, letting you inspect the output from your application….

James Walker Oct 20th, 2021

How to Scan for Kubernetes Vulnerabilities With Kubescape

Kubescape is a new open-source tool from ARMO which lets you automate Kubernetes cluster scans to identify security issues. Kubescape audits your cluster against the hardening recommendations published by the NSA and CISA….

James Walker Oct 18th, 2021

How to Add HTTP Basic Authentication to a Kubernetes NGINX Ingress

NGINX Ingress is a popular Kubernetes ingress controller for routing traffic into your cluster. A standard Ingress resource lets you map HTTP requests to your Kubernetes services. Here’s how to protect your routes with HTTP B…

James Walker Oct 13th, 2021

How to Configure mod_evasive for Apache DDoS Protection

mod_evasive is an Apache module which helps defend your server against brute force and denial of service attacks. Setting up mod_evasive gives you a safety net to catch malicious actors before they can start degrading your se…

James Walker Oct 5th, 2021

How to Route Incoming Email to Your Application With Exim

Exim is a popular message transfer agent (MTA) for Unix systems. It offers a wide variety of routing and transportation options. In this article, we’ll show how to use Exim to pipe incoming emails into your own script….

James Walker Sep 15th, 2021

How to Visualize Your Kubernetes Cluster With the Lens Dashboard

Lens is an advanced open-source Kubernetes dashboard which provides a graphical view into your cluster. Unlike other dashboards, Lens is an Electron-based desktop application which you install on your machine. It connects to …

James Walker Sep 14th, 2021

How to Back Up Your GitLab Server

Organizations using a self-managed GitLab instance usually rely on it to hold their source code, project management, and operational tooling. It’s vital to have functioning backups so your data’s protected in case of a hardwa…

James Walker Sep 13th, 2021

How to Install Kubernetes Cert-Manager and Configure Let’s Encrypt

Cert-Manager automates the provisioning of certificates within Kubernetes clusters. It provides a set of custom resources to issue certificates and attach them to services.

James Walker Sep 10th, 2021

What is the “JAM Stack?” Should You Be Using It?

The JAM stack, often stylized as Jamstack or JAMStack, refers to using JavaScript, APIs, and Markup to develop client-centric websites and applications. A system founded on the Jamstack will run all its logic on the client, e…

James Walker Sep 8th, 2021

How to Connect to Network Shares With the iOS Files App

The stock Files app lets you manage your filesystem on an iPhone or iPad. Since iOS 13, it also lets you work with remote network shares. You no longer need third-party apps to access files on your network devices….

James Walker Sep 2nd, 2021

How to Debug Kubernetes “ImagePullBackOff” Errors

Kubernetes clusters can encounter several issues while trying to pull your container images. When an error occurs, your Pods will enter an ImagePullBackOff state. Here’s how to debug this common but cryptic message so you can…

James Walker Aug 20th, 2021

How to Run PHPMyAdmin in a Docker Container

PHPMyAdmin is a popular administration interface for MySQL and MariaDB databases. It lets you interact with your schemas, tables, and data using a web browser.

James Walker Aug 18th, 2021

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