Servers
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Automating Tasks With Cron Jobs on Linux
Learn how to automate tasks with cron jobs on Linux. This in-depth tutorial covers everything from basic cron syntax and creating cron jobs to advanced configurations, common use cases, troubleshooting, and security considerations. Perfect for beginners and advanced users alike.
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How To Secure Your Linux server?
Learn how to secure your Linux server with industry-standard practices. This comprehensive guide covers system updates, strong passwords, SSH key authentication, firewall configuration, disabling unnecessary services, intrusion detection systems, secure SSH settings, regular backups, log monitoring, SELinux/AppArmor, and web server hardening.
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Server sovereignty: Empowering businesses with digital infrastructure
Introduction to server sovereignty. Server sovereignty has become a cornerstone concept in the digital age, symbolizing an organization’s control and autonomy over its server infrastructure. This concept has evolved significantly with the advancements in technology, especially with the rise of cloud computing and heightened data sovereignty concerns. It’s not just about owning or leasing server […]
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Why does htop show an exclamation mark next to uptime?
Htop is an excellent interactive system monitor process viewer and process manager. It is a modern and good-looking replacement to traditional and old-fashioned TOP found in every UNIX/LINUX systems. But I saw this (!) exclamation mark next to uptime and confused what it is at first… But when I read their code as well as […]
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Building a data center – design and construction
Whether your company needs a small data center for on-premises IT infrastructure or a massive million-plus square foot facility to power cloud technologies, a well-thought-out plan from the start can save costly renovation expenses down the road. Many criteria must be taken into account during the planning and design stages. Some of these include: Access. […]
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What is a virtual machine? How does it work?
A virtual machine (in short, VM) is a digital, virtual environment that works via a physical host, such as a computer. It runs on an isolated part of the host computer and has its own operating system, such as a Linux distribution (like Debian, Ubuntu, Fedora, Arch, etc.), Windows Server or a macOS system. End […]
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Why is Linux so dominant in servers and supercomputers?
We all know Linux failed badly in desktop market but it is leading on the other hand in servers and supercomputers. As new age kids are getting smarter they too start to adopt Linux as their primary operating system. How come Linux is so dominant in servers? Linux is an open source software that means […]
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Is it OK to leave your computer on 24×7?
It is generally fine to leave a computer on 24×7, as long as it is maintained and cooled properly. But it isn’t recommended unless you are using computers as servers or some kind of backend machine like a web server, or a NAS because running anything all the time will shorten the lifespan of moving […]
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Installing Let’s Encrypt SSL/TLS certificate on Debian running Nginx
Using Debian Linux and Nginx web server to manage your applications and websites, now it is easy to install free SSL/TLS certificates as Let’s Encrypt enabled us to make website HTTPS enabled. We will be using certbot tool to get all our work easy. 1. SSH into the server and update it once. SSH into […]
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Make Let’s Encrypt folder accessible
Using Let’s Encrypt is the best way to get free SSL/TLS certificates and their is a client certbot that makes it easy to install and manage all the job of creating and automatically renewing them. But some Linux users encounter a Permission denied error when they try to enter into or cd into /etc/letsencrypt/live directory, […]
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Linux vs. Windows servers – which one should I choose?
Imagine that you are a talented chef who prepares and sells meals in a tiny kitchen at home. You have several pots and pans, and you always get the job done on time, but after a few months, your home business has taken off, and now you need some extra and bigger kitchen stuff. A […]
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What is a LoRaWAN Gateway Module used for?
LoRaWAN Gateway Module is a wireless data transmission module that is used for wireless data transmission. The main advantage of this module is that it can reduce the cost of wireless data transmission and can also achieve a higher data transmission effect. There are several different applications of Lora module. Low-Power Wide Area Network. LoraWAN […]