Learn the trending tools, troubleshooting guides, and how-to to become a better Sysadmin. You’ll find articles covering Linux, Windows, Docker, Kubernetes, Ansible, Web & Application servers, and many more.
Total 175 articles.
Are you confused about LAMP, LEMP, MEAN, XAMPP, WAMP, and AMPPS stack terminology? Let’s find out about them! LAMP LAMP is an acronym for Linux, Apache, MySQL, and PHP. Each of these components is open source and free to use, which has helped contribute to their popularity. The lamp stack is probably the most common…
Prometheus is an open-source, metrics-based monitoring system. It collects data from services and hosts by sending HTTP requests on metrics endpoints. It then stores the results in a time-series database and makes it available for analysis and alerting. Why monitor? Enables alerts when things go wrong, preferably before they go wrong. So that somebody can…
A step-by-step Jenkins installation guide. In this article, we will learn how to install Jenkins on the following operating systems. Windows CentOS Ubuntu For all the above operating systems, Jenkins installation steps slightly vary, but configuration steps are the same. If you are looking to learn Jenkins then check out this online course to become…
Love Grafana for server metrics monitoring? You’ll love Blackbox Exporter for website monitoring too! In this tutorial, you will learn to install Blackbox Exporter on CentOS/RHEL and understand how to use it with Prometheus and Grafana to monitor website performance and uptime. Prerequisites Prometheus and Grafana must be pre-installed. Follow this article to install Prometheus…
In this article, you will learn how to monitor the global performance of a website with Grafana and worldPing. Features of worldPing: Tests the performance of your applications and uptime With the advanced alerting system, it notifies you about any issue. Gives comparative performance metrics of your competitors Easily shares interactive snapshots with anyone you…
As per the Accelerate State of DevOps 2019 report survey, 80% of the respondents said that the primary application or service they supported was hosted on some kind of cloud platform. 50% of the respondents said their primary application was hosted on the public cloud. Why Infrastructure as Code? Traditionally, if we look back when…
This article talks about the frequently used queries and commands of MongoDB used by developers and DBA in their day to day development and operation life. Quick Intro In this new era of smart technology, data is being generated in high volume and every piece of data is equally important for growing industries. Users are…
In the previous article, we explored some of the popular SQL clients, and here, let’s discuss NoSQL clients for efficient administration and development. Databases are the heart of almost every Internet and enterprise application I can think of. The demands for scale, speed, and fast application development have brought a novel breed of NoSQL databases….
Getting warning about “setting locale failed” while executing Perl on CentOS 8? I was trying to run Nikto and got this error. [[email protected] program]# ./nikto.pl -h $IPADDRESS perl: warning: Setting locale failed. perl: warning: Please check that your locale settings: LANGUAGE = (unset), LC_ALL = (unset), LC_CTYPE = “UTF-8”, LANG = “en_US.UTF-8” are supported and…
The realm of cybersecurity and networking is intriguing yet interesting, involving areas you must explore to benefit your business in many ways. Speaking of network information, the inclusion of internet protocols or IP addresses is one of the important parts of the Internet. Similarly, ASN is a related term in this regard that you must…
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