The main use of nslookup is to help with any DNS issues you may have. You can use it to find the IP address of a host, find the domain name of an IP address, or find mail servers on a domain. This tool can be used in an interactive and a noninteractive mode. The Interactive mode […]
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This brief guide explains how to reset vagrant virtual machine to it’s original state in Linux.
Versioning is a means of keeping multiple variants of an object in the same bucket. You can use versioning to preserve, retrieve, and restore every version of every object stored in your Amazon S3 bucket. With versioning, you can easily recover from both unintended user actions and application failures. When you enable versioning for a […]
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If you want to remove all comment fields in wordpress go into your theme directory and and open functions.php add this code (I’d suggest at the bottom of the file)
Perf is a simple but powerful performance monitoring tool for Linux based operating systems. It is used to trace or count both hardware and software events. In this tutorial, we will show you how to install and use Perf performance monitoring tool on U…
MariaDB is an open-source, community-developed relational database management system. It is forked from MySQL and created and maintained by the developers who created MySQL. MariaDB is intended to be highly compatible with MySQL but
The post How to In…
Containers are a good choice to bundle and run our own applications. When the number of containers increases rapidly and need to manage them in a convenient way. That’s the reason why Kubernetes comes. Kubernetes (K8s) is an open-source system […]
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Hadoop has two core components which are HDFS and YARN. HDFS is for storing the Data, YARN is for processing the Data. HDFS is Hadoop Distributed File System, it has Namenode as Master Service
The post How to Set Up High Availability for Namenode – Pa…
In this tutorial, you will learn how you can easily encrypt files and directories on Linux using the GnuPG tool as well as the zip utility.
CloudLinux announced that they are also working on an open sourced, community fork of RHEL to replace CentOS.
Rescuezilla 2.1 comes two months after version 2.0, but it’s not just a point release
IPTraf is a network monitoring utility in linux that we can use to monitor IP traffic passing over the network. By using this tool, we can we can monitor various connections like TCP, UDP, ICMP, non-IP counts and also Ethernet load information etc. you can install IPtraf using the following command: #apt install iptraf Once it is installed, you can run the […]
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Use both Cirrus CLI and Podman to better manage and secure container environments for rootless builds.
NuTyX is a French Linux distribution (with multi-language support) built from Linux From Scratch and Beyond Linux From Scratch, with a custom package manager called “cards”. The project has published a new version with multiple supported desktop editi…
The creator of CentOS started planning for a new Linux Distribution called Rocky Linux.
Nowadays, everyone uses the internet daily. It helps keep people connected to one another wherever they are and allows them to easily carry out daily tasks. It is not just for personal use, though; businesses also rely heavily on internet connections t…
A multi-tier application is an application distributed among more than one layer. It logically separates the operational layers. The number of layers varies with business and application requirements. In this article, we will see an application divided…
As a Linux user, you might have come across the terminology ‘terminal emulator’. Automatically, you might be tempted to think that a terminal emulator is synonymous with the terminal. While these two are similar in almost every sense, a few […]
The p…
Sometimes you might encounter the error “W: Some index files failed to download.” on Ubuntu when updating the system. Here’s an excerpt of the error. W: Failed to fetch archive.ubuntu.com/ubuntu/dists/quantal-security/Release.gpg Unable to connect to
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