To follow this guide, your WordPress is required to be installed on a VPS or a cloud server or a dedicated server with root privileges on SSH. This guide does not apply to WordPress sites that are using shared hosting (such users can use WordPress plugins which increases the limit). LAMP server customization is complicated since not everything is documented clearly. It is common to try changing … [Read more...]
Cloud computing is becoming more and more important. Here are articles on Cloud Computing,Cloud Server,SaaS,PaaS,IaaS and Cloud related technology.
How to Protect WordPress wp-login Page on Cloud & Dedicated Server
There are many ways to protect the wp-login.php webpage, at least limit the attempts. For a single server single website setup, we should try to avoid (i) hosting a mail server on the web server and (ii) self-hosted forms. Today, there are many types of SaaS which provide the required services. If you ever forget your login password, you can reset it from the MySQL command line. … [Read more...]
What Is Offshore Hosting?
Generally offshore means "in a different country" or "outside the country" or simply "abroad". In the old days, waterways were the mode of transport for longer distances. Valuable people used to build houses in friend countries to hide their asses in difficult times. The purpose of offshore hosting is similar. Generally living in the US and hosting your site in India or vice versa is usually not … [Read more...]
Advantages and Disadvantages of RAID 1
In our earlier article, we have explained the types of RAID used in real life. RAID 1 consists of the use of n number redundant disks where each disk in the pool contains the same data at all times, hence we use the word "mirroring" to denote RAID 1. RAID 1 is a popular data storage technology for the operation of server applications particularly for entry-level to mid-range servers. But what … [Read more...]
Understanding RAID Arrays for Dedicated Servers
RAID is a set of storage virtualization techniques that distribute data across multiple hard drives to improve either performance, security, or fault tolerance for the entire system(s). Since its inception, the main feature of RAID architecture has been its ability to combine multiple low-cost storage devices and common technology into a single array, so that this grouping offers increased … [Read more...]
How to Install OpenLiteSpeed on Ubuntu Server
OpenLiteSpeed is the open-source edition of the LiteSpeed web server by LiteSpeed Technologies of China. It belongs to the closed-source segment and you have to install the PHP component from their repo. At the time of writing this guide, this web server supports HTTP/3. It supports a lot of Apache web server modules but there are differences with Apache. Unlike Apache, it provides a web-based … [Read more...]
What Elasticity in Cloud Computing Means?
Elasticity in cloud computing is the ability of this cloud to adapt to application needs as quickly as possible. There are several definitions according to various authors, some considering the notions of scalability and elasticity as identical, others as distinct. The advent of such distributed systems inevitably leads to technical problems that must be solved or limited. At the economic … [Read more...]
How to Test the Connection Speed of a Server?
If you serve normal webpages from your server (with no video content and/or static files served from a CDN), then for 20 concurrent website visitors, you'll not have more than 100Mbps bandwidth (for a dedicated server). These days, it is common to have servers with 1Gbps to 10Gbps network speed. Whether the bandwidth becomes the bottleneck of in-general site speed, you can guess with tools such … [Read more...]
Top 5 Reasons Not To Choose Managed WordPress Hosting
These days, managed WordPress hosting is one of the hosting options for some WordPress website owners. As their cost may cross $100 per month, a practical question arises: is managed WordPress hosting an option to think about? In this article, we have pointed out the reasons why (and also when) not to consider the managed WordPress hosting option. Of course, managed WordPress hosting has many … [Read more...]
HTTP/3 : Basic Details and Present Deployment Options
HTTP up to version 2 relies on the Transmission Control Protocol (TCP) as the transport protocol. TCP acknowledges receipt of each data packet. As a result, in the event of a packet loss, all other packets have to wait for the lost one to be retransmitted (head-of-line blocking). Google has been working on an alternative since 2012 under the name QUIC, which was adopted by the IETF and … [Read more...]
How to Change DNS Provider for Domains with DNSSEC Active
DNSSEC is a great security feature for the domains. Previously we published guides on how to enable DNSSEC and DANE TLSA record. Take that, you use Hover as your domain registrar and DNSMadeEasy as your DNS provider. Now you want to move to CloudFlare from DNSMadeEasy. If you suddenly change the DNS with the DNSSEC record active, the website will not open because the function of DNSSEC is to … [Read more...]