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LVM Management in CentOS/Red Hat 7 Linux
LVM (Logical Volume Manager) is the recommended partition method for CentOS/Red Hat 7 Linux. Specially, if we work on Mail Server, File Server, FTP Server, Web Proxy Server or any application where disk space changes frequently, the LVM partition is mandatory in this case. In my previous article, I discussed how to install CentOS 7.5 with LVM partitioning. If you are new here or CentOS 7 is not yet installed, I will suggest you to follow my previous article and install CentOS 7 with LVM partitioning and then continue this article. In this article, I will discuss how to manage LVM partitioning in CentOS/ Red Hat 7 Linux with the command line utility. Basic Components and Architecture of LVM Before going to start LVM management with command line tool, we should have basic knowledge on the basic LVM terms and architecture. The following three terms are the basic components of the LVM partitioning. Physical Volume: The underlying physical storage unit of an LVM is a block device such as a partition of a disk or the whole disk. To use the block device for an LVM logical volume, the device must be initialized as a physical volume (PV). Volume Groups: [...]
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Port Based Apache Virtual Hosting on RHEL 7 | July 26, 2019
Virtual Hosting is a method of hosting multiple domains on single web server. If you have multiple domains (such as domain1.com, domain2.com and so on) and want to host on single web server, Virtual Hosting is your right choice. Apache web server provides an easy way to manage Virtual Hosting. Virtual Hosting can be Name Based, IP Based or Port Based. In Name Based Virtual Hosting, multiple domains can be hosted on single Server and single IP address. On the [...]
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MikroTik Load Balancing with 2 PPPoE and 1 Static WAN using ECMP | September 24, 2019
ECMP provides almost 100% reliable load balancing and link redundancy solution. ECMP is a per connection load balancing where connection is marked with source and destination IP pair. In my previous article I discussed how to configure DUAL WAN load balancing with failover using ECMP method where WAN connections were static IP Addresses. But some ISP companies use PPPoE service for their client connection. So, some network administrators become confused to configure load balancing with PPPoE WAN connection because PPPoE [...]
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MikroTik Hotspot Login Page with Random MAC Detection | October 5, 2025
Hotspot businesses such as cafés, restaurants, co-working spaces, schools, and ISPs often rely on MikroTik Hotspot solutions to provide Wi-Fi access. One common challenge is that many modern devices (Android, iOS, Windows, macOS) use randomized (private) MAC addresses, which can cause repeated logins, loss of session persistence, and difficulties with usage tracking. To solve this problem, we have designed a professional Hotspot Login Page Template that not only looks modern and mobile-friendly but also detects randomized MAC addresses and notifies [...]
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Free Internet Speed Test Online | August 31, 2015
You are here because you want to check your broadband internet speed. Don’t worry, I will show you how to check your internet speed from online absolutely free and fastest way. I will show you top 4 websites link from which your broadband internet speed can be checked so easily. I will also show you how to check bandwidth usage continuously with windows operating system’s utility and a third party software utility. So, keep reading this article and find how [...]
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How to Buy a Good WiFi Router for Home or Office | October 12, 2021
You are here because you want to buy a WiFi Router and want to know how to buy a good WiFi Router for your home or office or business. A lot of wireless routers are nowadays available in the market. But before buying a WiFi Router, you should know which one is a good WiFi Router for your need based on some features and specifications of the router. We will now see some key points those should have well understand [...]
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MikroTik RouterOS User Authentication via RADIUS Server | November 19, 2017
MikroTik RouterOS has a strong local user database that is enough to manage a single MikroTik RouterOS user. But if your network has more than one MikroTik Routers, it is always better to use a RADIUS server to manage RouterOS user centrally. MikroTik User Manager RADIUS Server is a centralized user authentication and accounting application that gives the ISP Company or network administrator ability to manage not only RouterOS users but also PPP, Hotspot, DHCP and Wireless users. How to [...]
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How to Create Free SSL/TLS Certificate with OpenSSL | July 23, 2021
SSL/TLS certificate is required to encrypt data sent over internet communication. Without encryption, the sent data can be hacked by the middle man attack. SSL/TLS certificate is usually a pair key, public key and private key, solution where data is encrypted with public key and decrypted with private key. In public communication, public key is required to be signed by a CA (certificate authority) but in private communication, there is no need to be signed by any CA. If we [...]
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phpMyAdmin with NGINX – Installation and Configuration | October 14, 2024
In modern web development, server management is a vital part. Two popular tools that assist in this process are Nginx and phpMyAdmin. Nginx is a high-performance web server, while phpMyAdmin is a widely-used web-based interface for managing MySQL or MariaDB databases. When combined, these tools provide a strong platform for serving dynamic web applications and managing their databases efficiently. What is Nginx? NGINX (pronounced “engine-x”) is an open-source web server that also functions as a reverse proxy, load balancer, and [...]
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Why ISPs Should Embrace TR-069 ACS to Stay Ahead of Competitors | May 22, 2023
As the telecommunications industry becomes more competitive, local ISPs need to find ways to stay ahead of larger telcos and offer services that meet the changing demands of their customers. One of the solutions to this challenge is to implement TR-069 ACS server to help streamline network management, reduce costs, and increase efficiency. In this article, we’ll explore why the TR-069 ACS server is essential for medium-sized ISPs to stay competitive in today’s market. We’ll examine the challenges these ISPs [...]
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