How to Install PgAdmin on Rocky Linux and AlmaLinux
PgAdmin 4 is an open-source, powerful, and front-end PostgreSQL database administration tool. PgAdmin 4 allows administrators to seamlessly manage PostgreSQL databases from a web browser and run SQL queries among other database tasks. It’s written in
Jul 12, 2025 am 09:32 AM
How to Install MongoDB on Rocky Linux and AlmaLinux
MongoDB is a high-performance, highly scalable document-oriented NoSQL database built to manage heavy traffic and vast amounts of data. Unlike traditional SQL databases that store data in rows and columns within tables, MongoDB structures data in a J
Jul 12, 2025 am 09:29 AM
Ubuntu 25.04 'Plucky Puffin”: A Bold Leap Forward with GNOME 48 and HDR Brilliance
Ubuntu has long stood as a bastion of accessibility, polish, and power in the Linux ecosystem. With the arrival of Ubuntu 25.04, codenamed “Plucky Puffin”, Canonical has once again demonstrated its commitment to delivering a
Jul 12, 2025 am 09:28 AM
How to Install Java 16 in Rocky Linux and AlmaLinux
Java is a cross-platform, object-oriented and multi-functional programming language, mainly used to develop mobile applications, network applications and cloud services. In addition, you can also use Java to develop games, chatbots, enterprise-level applications, etc. To develop Java applications, you need to install an IDE (Integrated Development Environment). IntelliJ IDEA is an excellent IDE example designed specifically for Java development. But before that, you must install Java first. This can be provided through OpenJDK or Oracle JDK. [You may also like: 27 models for Lin
Jul 12, 2025 am 09:26 AM
Secure Apache with Let's Encrypt Certificate on Rocky Linux
In our earlier guide, we provided a step-by-step walkthrough on installing the LAMP stack on Rocky Linux and later moved on to configuring Apache virtual hosts for hosting multiple websites from a single server.However, securing your website is just
Jul 12, 2025 am 09:24 AM
How to Configure Apache Virtual Hosts on Rocky Linux
This step is entirely optional and only applies to those looking to run multiple websites from a single server. Up to now, our LAMP configuration supports just one site. To host more than one website, you must create or adjust virtual host files. Apa
Jul 12, 2025 am 09:23 AM
How to Install MySQL 8.0 on Rocky Linux and AlmaLinux
Written in C, MySQL is an open-source, cross-platform, and one of the most widely used Relational Database Management Systems (RDMS). It’s an integral part of the LAMP stack and is a popular database management system in web hosting, data analytics,
Jul 12, 2025 am 09:21 AM
The Best RedHat-based Linux Distributions
Red Hat Enterprise Linux is a hugely popular enterprise-level operating system that supports a diverse range of open-source technologies such as Ansible automation, Hybrid Cloud, virtualization, and containerization. In this guide, we highlight some
Jul 12, 2025 am 09:18 AM
22 Linux Networking Commands for Sysadmin
A system administrator’s routine tasks include configuring, maintaining, troubleshooting, and managing servers and networks within data centers. There are numerous tools and utilities in Linux designed for administrative purposes. In this article, we
Jul 12, 2025 am 09:10 AM
How to Install Docker on Rocky Linux and AlmaLinux
Docker has become an essential tool in modern software development, offering a streamlined way to build, test, and deploy applications within isolated environments known as containers. A container is a compact, self-contained unit that encapsulates t
Jul 12, 2025 am 09:09 AM
Htop - An Interactive Process Viewer for Linux
This article is the continuation of our Linux system monitoring series, today we’re talking about the most popular monitoring tool called htop, which is just reached version 3.0.5 and comes with some cool new features. Htop is an interactive real-
Jul 12, 2025 am 09:07 AM
Transform Your Workflow With These 10 Essential Yet Overlooked Linux Tools You Need to Try
Linux is a treasure trove of powerful tools, many of which remain undiscovered by casual users. While staples like grep, awk, sed, and top dominate tutorials and guides, there's a second layer of utilities—lesser-known yet im
Jul 12, 2025 am 09:04 AM
What is the architecture of a Kubernetes cluster (control plane vs. worker nodes)?
The control plane is responsible for cluster decision-making and coordination, while the work node runs the application. Specifically, it includes: 1. The control plane includes API server, etcd, controller manager, scheduler and optional cloud controller manager, responsible for maintaining the expected state of the cluster; 2. When the work node runs kubelet, kube-proxy and container runs, it is responsible for executing tasks and feedbacking states; 3. The two communicate through the API server, control plane schedules tasks to nodes, and monitors their health status; 4. When using hosting services, the provider manages the control plane, and when self-built, all components need to be managed by themselves.
Jul 12, 2025 am 02:03 AM
How to check for failed login attempts in Linux?
To check for failed login attempts in Linux systems, it can be done by viewing log files and using dedicated commands. 1. In the Debian/Ubuntu system, use grep to filter the "Failedpassword" entry in /var/log/auth.log; 2. In the CentOS/RHEL system, view similar records in the /var/log/secure file; 3. Use the lastb command to read the /var/log/btmp file to obtain failed login information; 4. Optionally set automatic monitoring, such as installing fail2ban, configuring logwatch, or writing scripts to check and alert regularly with cron. pass
Jul 12, 2025 am 02:01 AM
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