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HowTos

WordPress could not establish a secure connection to WordPress.org

How to fix WordPress could not establish a secure connection to WordPress.org

Are you looking for a solution on how to fix WordPress could not establish a secure connection to WordPress.org error appearing on your WordPress dashboard?

Tips For Secure Gaming: Why Do You Need a VPN While Playing? 

Tips For Secure Gaming: Why Do You Need a VPN While Playing? 

For some, playing online video games is a way of living, while for others, it’s that perfect moment to relax and feel good. Some people

metasploit

Install Metasploit Framework on Ubuntu 22.04/Ubuntu 20.04

In this tutorial, you will learn how to install Metasploit Framework on Ubuntu 22.04/Ubuntu 20.04 LTS. Metasploit Framework provides a platform and tools for performing

install java

Install Oracle Java (OpenJDK) 13 on CentOS 8

Follow through this guide to learn how to install Oracle Java (OpenJDK) 13 on CentOS 8. JDK 13 is an open-source implementation of version 13 of

install and configure snmp on Linux

Install and Configure SNMP on Debian 10 Buster

This guide will take you through how to install and configure SNMP on Debian 10 Buster for monitoring using either SNMP v2c or v3. If

5 things to remember when using a rapid eLearning authoring tool for gamification

5 things to remember when using a rapid eLearning authoring tool for gamification

Do you want increased engagement for your training courses? Gamification might do the trick! Gamifying your courses and adding reward elements like badges, leaderboards, and

install java

Install Oracle Java 12 on CentOS 7/Fedora 29

In this guide, we are going to learn how install Oracle Java 12 on CentOS 7/Fedora 29. For the installation of Oracle Java 12 on

Configure BIND as Slave DNS Server on Ubuntu 18.04

Our previous guide demonstrated how to configure BIND as a Master DNS server on Ubuntu 18.04 (See the link below). This guide will demonstrate how

How to Install and Setup Guacamole on Debian 9.8

Welcome to our tutorial on how to install and Setup Guacamole on Debian 9.8. We covered a similar setup on Ubuntu 18.04 in our previous

install and setup ntp server

How to Install and Configure NTP Server Using Chrony on Fedora 29/Fedora 28

In this tutorial, we are going to learn how to install and configure NTP server using Chrony on Fedora 29/Fedora 28. NTP (Network Time Protocol)

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Latest Posts

Integrate Request Tracker (RT) with Active Directory for Authentication

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How to Enable HTTPS for Request Tracker on Linux

Install Request Tracker on AlmaLinux/Rocky Linux

Replace OpenShift Self-Signed Ingress and API SSL/TLS Certificates with Lets Encrypt

Containers

Kubernetes Nodes Maintenance: Drain vs. Cordon Demystified

Extend OpenShift CoreOS /sysroot Root Filesystem

How to Deploy Apps on OpenShift Using BuildConfig: A Step-by-Step Guide (2025)

How to Use Secrets in Kubernetes Applications

How to Monitor Docker Containers using Nagios

Automate Tasks in OpenShift with Kubernetes Jobs and Cron Jobs: A Practical Guide

Security

Install sysPass Password Manager on Ubuntu 22.04/Ubuntu 20.04

Enforce Password Complexity Policy On CentOS 7/RHEL Derivatives

How to Install RKHunter (RootKit Hunter) On Ubuntu 18.04

Intercept Malicious File Upload with ModSecurity and ClamAV

Install WireGuard VPN Client Ubuntu 24.04

Install and Setup Squid Proxy on Debian 11/10

Monitoring

Nagios SNMP Monitoring of Linux Hosts on AlienVault USM/OSSIM

How to Install Grafana on Ubuntu 24.04

Install Zabbix Agent on Ubuntu 22.04/Debian 11

Complete Guide: Configuring Filebeat to Send Logs to Kafka

Install LibreNMS on Ubuntu 22.04/Ubuntu 20.04

Install and Setup Wazuh Server in CentOS 8/Fedora 32

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