Learn the trending tools, troubleshooting guides, and how-to to become a better Sysadmin. You’ll find articles covering Linux, Windows, Docker, Kubernetes, Anbisle, Web & Application servers, and many more.
Real User Monitoring (RUM) is a testing technique that collects and analyzes the user’s interactions with the website pages or app. It is a passive monitoring solution that involves collecting data when pages begin loading and continues doing so as a visitor navigates through the website. This provides insights into how actual visitors experience the…
Let’s look at how to harden and secure the Docker for the production environment. Although Docker has made it possible for software developers and DevOps engineers to build and deploy applications rapidly, it also comes with a large attack surface for cyber hackers to leverage on. We will look at how to secure a Docker…
A step-by-step guide to install Headless Chromium on Ubuntu and CentOS. What is Headless Chrome? Headless Chrome is like running a chrome browser without UI (browser) i.e., it is running in a headless environment, which is very useful for running automated tests. So, what does headless Chrome unlock for us? One of the most exciting…
One of the frequently used utilities by sysadmin is wget. It can be very handy during web related troubleshooting. What is wget command? wget command is a popular Unix/Linux command-line utility for fetching the content from the web. It is free to use and provides a non-interactive way to download files from the web. The…
The pfSense software is an open-source firewall and router solution based on the FreeBSD operating system. Suitable for small and mid-range companies, the pfSense provides a low cost, dedicated firewall, and router solution for physical and virtual computer networks. The software, which can run on either a physical or virtual computer, provides a wide range…
Linux is an operating system for system admins, programmers, and coders. That’s all changed now with beginner-friendly distros. Linux’s most significant advantage is the customization it offers. That’s where the distributions come in. It doesn’t matter in which area of the industry you work in; there are distros that you can use in your work….
Many of us live happily in ignorance, believing that our company’s data is well protected, but not being sure how that protection is implemented. You should think about your data as if it was money (actually it is money; if in doubt, think about how much your competitors would pay for it): You put your…
A better way to manage Kubernetes resources. What is the Kubernetes Dashboard? Kubernetes Dashboard is a web-based user interface to visualize the Kubernetes cluster. It shows you the details of the Kubernetes cluster, which includes the nodes in the cluster, namespaces, volumes, cluster roles, job details, and much more. You can deploy a containerized application…
The importance of backing up our data cannot be stated enough. It is one of those things that is the most important but is always neglected. I’ve lost a lot of data in the past due to my negligence, but now I don’t let that happen anymore. I’ve made it a routine to backup my…
Sooner or later, all system administrators face the challenge of administering servers. And, tools come to rescue the sysadmin’s life. As a sysadmin, you just don’t work on core OS (Linux or Windows) but also deals with what is hosted on them. It could be a database, application server, web server, messaging applications, caching, etc….
