Category: Techno Babble

Babbling ’bout tech

How to Install CentOS 7 Alongside Windows 10 Dual Boot

You’ve finally made the bold decision to make a switch from Windows 10 to CentOS 7, which is a cool decision by the way. You may have tried running CentOS 7 as a virtual machine

How to Install LAMP on Debian 10 Server

A “LAMP” stack is a collection of open-source software that is generally installed together to allow a system to deploy dynamic applications. This term is an acronym which describes the Linux operating system, Apache web

How to Install CentOS 7 in a USB Drive

Have you ever fancied a portable instance of a CentOS 7 installation in your USB pen drive? You probably might not have known it, but you can easily install CentOS 7 in a USB drive

How to Install Angular CLI on Linux

Angular is an open-source, popular and highly-extensible front-end application development framework, used for building mobile and web applications using TypeScript/JavaScript and other common languages. Angular is an umbrella term for all Angular versions that come

How to Add Swap Space on Ubuntu

One of the simplest ways of watching against out-of-memory problems in applications is to increase some swap size in your server. In this article, we will explain how to add a swap file to an

How to Fix “Cannot find a valid baseurl for repo” in CentOS

One of the commonest errors CentOS users encounter when using YUM package manager (for example running yum update command), especially on a freshly installed system is the “Cannot find a valid baseurl for repo: base/7/x86_64”.

How to Enable USB in VirtualBox

If your data center depends on VirtualBox and your virtual machines depend on the USB device, you’ve perhaps noticed that USB doesn’t support by default unless you’ve manually enabled it. In this article, we will

How to Enable Apache Userdir Module on RHEL/CentOS

User Directory or Userdir is an Apache module, which allows user-specific directories to be retrieved through an Apache web server using the http://example.com/~user/ syntax. For example, when the mod_userdir module is enabled, users accounts on

How to Enable TLS 1.3 in Apache and Nginx

TLS 1.3 is the latest version of the Transport Layer Security (TLS) protocol and it is based on the existing 1.2 specifications with proper IETF standard: RFC 8446. It provides stronger security and higher performance

How to Install Redis in RHEL 8

Redis (which means REmote DIctionary Server) is an open-source, well known and advanced in-memory data structure store, used as a database, cache and message broker. You can consider it as a store and a cache:

The 10 Top GUI Tools for Linux System Administrators

A Linux administrators task is to typically install, upgrade, and monitor a company’s software and hardware while maintaining the essential applications and functions which include security tools, emails, LANs, WANs, web servers, etc. Read Also:

4 Process Managers for Node.js Applications in Linux

A Node.js process manager is a useful tool to ensure that a Node.js process or script runs continuously (forever) and can enable it to auto-start at system boot. It allows you to monitor the running

How to Install Node.js in RHEL 8

Node.js is a lightweight and powerful JavaScript run-time environment platform which is based on Chrome’s V8 JavaScript engine and it is used to create scalable network applications. In this article, we will guide you on

How to Install Python 3 or Python 2 in RHEL 8

In RedHat Enterprise Linux 8, Python doesn’t come preinstalled. The main reason for this is that the RHEL 8 developers didn’t want to set a default Python version for users. Therefore as a RHEL user,

SQL Buddy – A Web Based MySQL Administration Tool

SQL Buddy is an open source web-based tool was written in PHP language that intended to manage SQLite and MySQL administration via web browsers like Firefox, Chrome, Safari, Opera and IE+ (Internet Explorer). SQL Buddy

The Right Pairs of Fonts

When fonts are matched together correctly, they really make the perfect pair. Pairs are everywhere around us – our socks, best friend, partner, peanut butter and jelly, and the list could go on.  Thinking about

How to Find My DNS Server IP Address in Linux

DNS (Domain Name System) is a fundamental facilitator of several networking technologies such as mail servers, Internet browsing, and streaming services e.g. Netflix and Spotify, among others. It works on a special computer called a

How to Fix “No route to host” SSH Error in Linux

SSH is the most secure means of connecting to Linux servers remotely. And one of the common errors encountered while using SSH is the “ssh: connect to host port 22: No route to host”. In

Setup Secure FTP File Transfer Using SSL/TLS in RHEL 8

In our last article, we have described in detail on how to install and configure an FTP server in RHEL 8 Linux. In this article, we will explain how to secure an FTP server using

How to Add Hosts in OpenNMS Monitoring Server

In our first part of this article, we have described in detail on how to install and configure the latest OpenNMS network monitoring platform on CentOS/RHEL as well as on Ubuntu/Debian server. In this article,