How to Set Up & Install Squid Proxy Server on Ubuntu 18.04

February 15, 2019

Squid is a Linux-based proxy application that can be used for filtering traffic, security, DNS lookups, and to speed up a web server by caching resources. This guide will walk you thru you setting up and installing Squid Proxy on Ubuntu.

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How to View Apache Access & Error Logs

January 7, 2019

Apache is part of the LAMP stack of software for Linux (Linux, Apache, MySQL, PHP). Apache is responsible for serving web pages to people looking at your website.

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How To Add User to Sudoers & Add User to Sudo Group on CentOS 7

December 5, 2018

This guide will walk you through the steps to create or add a sudo user on CentOS 7. The “sudo” command stands for “Super User DO,” and temporarily elevates the privileges of a regular user for administrative tasks.

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How To Prevent Brute Force Attacks With 8 Easy Tactics

December 3, 2018

A brute force attack is among the most straightforward and least sophisticated hacking method. As the name implies, brute force attacks are far from subtle. The theory behind such an attack is that if you take an infinite number of attempts to guess a password, you are bound to be right eventually.

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How to Implement Validation for RESTful Services with Spring

November 13, 2018

Data validation is not a new topic in web application development and here we take a brief look at data validation in Java ecosystem in general and Spring Framework specifically. Java platform has de facto a standard for implementing data validation that is Bean Validation specification.

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How to Reset or Change the Root Password in Linux

October 22, 2018

In Linux, root privileges (or root access) refers to a user account that has full access to all files, applications, and system functions.

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How to Reset or Change MySQL Root Password on Linux or Windows

October 21, 2018

MySQL is a database management system. It’s operated under the Open Source software model and has become a very popular software package for web application software. Like many web services, MySQL has an administrator-level or root password. The root password allows a user to perform all top-level functions in the database.

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How to Use SSH to Connect to a Remote Server in Linux or Windows

September 24, 2018

In this tutorial, find out How To Use SSH to Connect to a Remote Server in Linux or Windows.

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How to Configure Windows Server 2012 Firewall

September 17, 2018

Firewalls have become an essential part of every network that has access to the Internet. Without firewalls, anyone would be able to access your network and servers and infect them with malicious software. Properly configured, a firewall can substantially decrease undesirable network communications in a local network.

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OpenSSL Tutorial: How Do SSL Certificates, Private Keys, & CSRs Work?

September 11, 2018

Initially developed by Netscape in 1994 to support the internet’s e-commerce capabilities, Secure Socket Layer (SSL) has come a long way. Amidst all the cyber attacks, SSL certificates have become a regular necessity for any live website.

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