Trying to debug that Linux issue or need help installing it on another system? This is the right place for that and other Linux-related tips.
Total 55 articles.
Nmap stands for “Network Mapper“, is one of the best open-source utility available now for network discovery and security auditing. Nmap sends packets and analyzes the response it gets to discover hosts and services on a computer network. It is one of the most widely used port scanners available today to help you find open ports and detecting…
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…
DNF is the default package management system on most RPM-based Linux distributions now. DNF downloads packages from repositories installs, uninstall, and updates packages. It performs automatic dependency resolution for packages you are installing, updating, or removing and installs all packages needed to fulfill dependency requirements. On Fedora, it has been the default package manager since…
In this tutorial, I will talk about Prometheus and Grafana. You will learn to install both on CentOS/RHEL and understand how to use Prometheus and Grafana to monitor the Linux server. Introduction Grafana is a leading time-series, an open-source platform for visualization and monitoring. It allows you to query, visualize, set alerts, and understand metrics…
The default system and service manager for most Linux distributions now is systemd. The systemd process replaces the SysV init. It runs as the first process after the kernel boot and is responsible for bringing the Linux host up to the state where it can be used. It is responsible for starting and managing the…
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…
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….
The Linux find command is a powerful tool that enables system administrators to locate and manage files and directories based on a wide range of search criteria. It can find directories and files by their name, their type, or extension, size, permissions, etc. Besides locating files and directories, combining the find command with others enables…
Even though Linux based systems are often considered impenetrable, there are still risks that need to be taken seriously. Rootkits, viruses, ransomware, and many other harmful programs can often attack and cause problems to Linux servers. No matter the operating system, taking security measures is a must for servers. Large brands and organizations have taken…
Windows have come a long way. Great news – now you can install Linux on Windows desktop or laptop. Isn’t it exciting news? Thanks to Microsoft! If you are using Windows 10 and would like to have Linux installed,, then the following steps may help. I assume you know about Linux. If not, then check…
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