Category: Techno Babble

Babbling ’bout tech

How to Block Ping ICMP Requests to Linux Systems

Some system administrators often block ICMP messages to their servers in order to hide the Linux boxes to outside world on rough networks or to prevent some kind of IP flooding and denial of...

How to Install Skype 8.13 on Debian, Ubuntu and Linux Mint

Skype is a most popular software application developed by Microsoft that is largely used for Instant Messaging and for Audio and Video calls and Video conferencing call. Among these features, Skype can also be...

How to Install Skype 8.13 on CentOS, RHEL and Fedora

Skype is a popular software application currently developed by Microsoft that is mainly used for Instant Messaging and for Audio and Video calls and Video conferencing call. Among these functions, Skype can also be...

Install ZoneMinder – Video Surveillance Software on Debian 9

Whether it’s in the home or the enterprise, physical security is always a foundational component of an all encompassing security policy. The usage of security cameras tends to be a corner stone of a...

How to Block USB Storage Devices in Linux Servers

In order to protect sensitive data extraction from servers by users who have physical access to machines, it’s a best practice to disable all USB storage support in Linux kernel. In order to disable...

Firefox Quantum Eats RAM Like Chrome

For a long time, Mozilla’s Firefox has been my web browser of choice. I have always preferred it to using Google’s Chrome, because of its simplicity and reasonable system resource (especially RAM) usage. On...

How to Install Tripwire IDS (Intrusion Detection System) on Linux

Tripwire is a popular Linux Intrusion Detection System (IDS) that runs on systems in order to detect if unauthorized filesystem changes occurred over time. In CentOS and RHEL distributions, tripwire is not a part...

Guider – A System Wide Linux Performance Analyzer

Guider is a free and opens source, powerful system-wide performance analysis tool written mostly in Python for Linux operating systems. It is designed to measure amount of system resource usage and to trace system...

Get Computer Hacker Professional Certification Bundle (5-Courses)

Take a dive into professional computer hacking today, with more than 60 hours of preparation towards CISM (Certified Information Security Manager), CISA (Certified Information Systems Auditor), and more certification exams, in The Computer Hacker...

How to Check and Patch Meltdown CPU Vulnerability in Linux

Meltdown is a chip-level security vulnerability that breaks the most fundamental isolation between user programs and the operating system. It allows a program to access the operating system kernel’s and other programs’ private memory...

How to Control Systemd Services on Remote Linux Server

Systemd system and services manager can be controlled using the systemctl command line utility. It enables you to manage systemd locally or on a remote Linux machine over the SSH protocol. In this short...

Get SpiderOak ONE 2TB Cloud Storage: 1-Yr Subscription

Are you looking for a cloud storage service provider to store your private data? If so, then look no further than SpiderOak ONE, a secure, reliable backup to protect your most important files from...

How to Show Asterisks While Typing Sudo Password in Linux

Most applications normally display a feedback using asterisks (*******) when a user is typing a password, but on the Linux terminal, when a normal user runs the sudo command to gain super user privileges,...

Amplify – NGINX Monitoring Made Easy

Nginx amplify is a collection of useful tools for extensively monitoring a open source Nginx web server and NGINX Plus. With NGINX Amplify you can monitor performance, keep track of systems running Nginx and...

How to Convert Images to WebP Format in Linux

One of the numerous best practices you will hear of, for optimizing your web-site performance is using compressed images. In this article, we will share with you a new image format called webp for...

Fix “The plain HTTP request was sent to HTTPS port” Error in Nginx

In this article, we will show how to solve the “400 Bad Request: The plain HTTP request was sent to HTTPS port” in Nginx HTTP server. This error normally arises when you try to...

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Why I Find Nginx Practically Better Than Apache

According to the latest web server survey by Netcraft, which was carried out towards the end of 2017, (precisely in November), Apache and Nginx are the most widely used open source web servers on...

TLP – Quickly Increase and Optimize Linux Laptop Battery Life

TLP is a free open source, feature-rich and command line tool for advanced power management, which helps to optimize battery life in laptops powered by Linux. It runs on every laptop brand, and ships...

How to Enable Syntax Highlighting in Vi/Vim Editor

One of the easiest ways to boost the readability and context of the text in a configuration file or your source code for various programing languages, is by using a text editor that supports...

20 Free Open Source Applications I Found in Year 2017

It is time to share a list of the best 20 Free and Open Source Software I found during the year 2017. Some of these programs may not be new in that they weren’t...