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Linux

How to create and enable Swap Partition on Centos / RHEL 8

Mel -
Swap Space Introduction Have you experienced a memory spike? A moment where your system is getting slower due to lack of physical memory. Linux has...
Linux

How to run Virtual Machines on your Linux Server (Ubuntu/RHEL/CENTOS 7) – KVM Hypervisor

Mel -
Introduction What is a Virtual Machine (VM)? A virtual machine (VM) is a virtual environment that functions as a virtual computer system with its own CPU,...
Featured

SElinux management in Linux Centos/RHEL8

Mel -
What is SELinux? Selinux is a one type of security that enhances the security that allows users and administrators more control over which users and...
Linux

Chrony configuration for NTP in centos/RHEL 8

Mel -
chrony is an implementation of the Network Time Protocol (NTP). You can use chrony: To synchronize the system clock with NTP servers.To synchronize the system clock with a reference clock,...
Linux

Rich Rules of Firewalld on CentOS / RHEL8

Mel -
Rich-Rules - As of now we have discussed about regular zones and services syntax that firewalld offers, Administrators have more options for playing with...
Networking

Managing IPV6 Networking in Centos/RHEL8

Mel -
IPv6 overview IPV6 is in use as a replacement of ipv4 network. The major problem with IPV4 addresses is exhaustion of addresses. It resolves this...
Featured

Users and groups management in RHEL/CentOS8

Mel -
What are users? Users accounts are fundamental to system security. Every process (running program) on the system runs as a particular user. Every user has username...
Devops

Install and Use Podman on CentOS 8 / RHEL 8

Mel -
Podman is a free and open-source container engine that was developed by RedHat. It exists to offer a daemonless container engine for managing containers...
Cloud

How to Install Sentry using Docker?

Angelo -
Hello, friends. In this post, you will learn how to install Sentry using Docker. This method ensures compatibility but, above all, ease of processing. Sentry...
Linux

dig and nslookup commands on Linux

Angelo -
Hello, friends. In this post, you will learn the basics of the dig and nslookup commands on Linux. These commands, although simple, are part...
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