In this article, we will show how to lock a user or root account after a specifiable number of failed login attempts in CentOS, RHEL and Fedora distributions.

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Guest Wifi in your home network can easily be done with OpenWrt. How to configure OpenWrt as Firewall, how to build a firewall for your home network, How to make a Guest Wifi and a…

In this article, you will learn how to uninstall MySQL Server along with its configuration files, database files, and logs from the Ubuntu server.

This page explains how to use iptables to allow or block ICMP ping requests on your Linux cloud (VM) or bate metal server.

Introduction to Probability and Statistics Using R: Probability and statistics are fundamental concepts in data analysis and decision-making.

Heads up: OpenSSL 1.1.1 End of Life Approaching (EOL) . OpenSSL 1.1.1 series will reach End of Life (EOL) on 11th September 2023. Users of OpenSSL 1.1.1 should consider their options and plan any actions they might need to take. https://t.co/vGGCIpYXTi #linux…

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In this article, we will see a high-level overview of the boot procedure for Linux systems. What is booting? In Linux, booting is the process of starting the operating system.

Complete step by step guide on how Linux file permissions work, how to set them and how to set special permissions (SUID, GUID, sticky bit)

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Take the time to understand how the clauses in SQL are evaluated. Here, we discuss the order of execution in SQL and explain why it matters.

Normalization in Database 1NF, 2NF, 3NF, BCNF, 4NF, 5NF, 6NF. Normalization is a database design technique which organizes tables in a manner that reduces redundancy and dependency of data.

By default, our traffic is allowed to move unrestricted within a VLAN. One host sends packets to another host and it's heard only by the destination

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