VIKHOST Tech Blog
Useful Technical Articles, Notes and Instructions.

How to Open SSH 22/TCP Port Using UFW on Ubuntu/Debian Linux
HOW TO OPEN SSH 22/TCP PORT USING UFW
WHAT IS UFW?
UFW stands for Uncomplicated Firewall. It is a front end to the iptables packet filtering system which you can use as an alternative to using raw iptables. It does this by providing an abstraction of the lower-level details (policies, interfaces) from network security settings thereby simplifying a workflow around configuring and maintaining working solutions for system administrators as …

Rocky Linux vs. AlmaLinux: What Are the Differences?
ROCKY LINUX VS. ALMALINUX: COMPREHENDING THE KEY DIFFERENCES
Following CentOS’s strategic realignment from a free, community-supported alternative to Red Hat Enterprise Linux (RHEL) to CentOS Stream, two prominent contenders have emerged to fill its market position. CentOS has been replaced by two delightful distributions, which are Rocky Linux and AlmaLinux. Both operating systems are centred on the RHEL model and deliver the best scaled-up operating system services. Each of them …
Following CentOS’s strategic realignment from a free, community-supported alternative to Red Hat Enterprise Linux (RHEL) to CentOS Stream, two prominent contenders have emerged to fill its market position. CentOS has been replaced by two delightful distributions, which are Rocky Linux and AlmaLinux. Both operating systems are centred on the RHEL model and deliver the best scaled-up operating system services. Each of them …

What is Rocky Linux and Why Use It
WHAT IS ROCKY LINUX AND WHY USE IT
Rocky Linux is a must-see for anyone in the DevOps community looking for a reliable Red Hat Enterprise Linux (RHEL) clone. This latest release offers improved security features, significant updates to its cloud imaging capabilities, and updated tools for developers.
DevOps professionals will find this a useful addition to their Linux distribution toolkit, whether you’re working with on-premises or cloud containers.
Rocky Linux is a must-see for anyone in the DevOps community looking for a reliable Red Hat Enterprise Linux (RHEL) clone. This latest release offers improved security features, significant updates to its cloud imaging capabilities, and updated tools for developers.
DevOps professionals will find this a useful addition to their Linux distribution toolkit, whether you’re working with on-premises or cloud containers.
INTRODUCTION …

What Is AlmaLinux – A Comprehensive Guide
THE COMPLETE GUIDE ABOUT ALMALINUX
AlmaLinux is a free and open-source OS. It developed into a drop-in replacement for CentOS when it transitioned from CentOS Linux to CentOS Stream. It uses a stable and similar environment, allowing for a smooth transition.
AlmaLinux is a free and open-source OS. It developed into a drop-in replacement for CentOS when it transitioned from CentOS Linux to CentOS Stream. It uses a stable and similar environment, allowing for a smooth transition.
WHAT ARE THE EDITIONS OF ALMALINUX?
WHY ALMALINUX MATTERS
AlmaLinux presents a stable, open-source OS that continues to be a derivative of Red Hat Enterprise Linux (RHEL). Users …

What Is A Dedicated Server and Why Do You Need One?
WHAT IS A DEDICATED SERVER AND WHY DO YOU NEED ONE?
Planning to invest in a Dedicated Server Web Hosting plan rather than maintaining in-house server security? Well, you have made the right choice! Why pay extra for infrastructure maintenance when you can rent Business Dedicated Servers from VIKHOST and enjoy all advanced hosting benefits? Choose Ukraine’s most trusted and advanced web hosting provider to control all your technical demands!
Planning to invest in a Dedicated Server Web Hosting plan rather than maintaining in-house server security? Well, you have made the right choice! Why pay extra for infrastructure maintenance when you can rent Business Dedicated Servers from VIKHOST and enjoy all advanced hosting benefits? Choose Ukraine’s most trusted and advanced web hosting provider to control all your technical demands!
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Why Is Reliable And Fast SSD VPS Important For An Online Business?
WHY IS RELIABLE AND FAST SSD VPS IMPORTANT FOR AN ONLINE BUSINESS?
Generally, many online businesses overlook the necessity of adjusting their hosting solutions with SSD VPS hosts. But do you know that HDDs actually kill websites by slowing down the load times with poor performance issues?
Now, imagine your website running like a well-oiled server with no hiccups or slowdowns. Sounds fantastic, right? That’s why an online business owner …
Generally, many online businesses overlook the necessity of adjusting their hosting solutions with SSD VPS hosts. But do you know that HDDs actually kill websites by slowing down the load times with poor performance issues?
Now, imagine your website running like a well-oiled server with no hiccups or slowdowns. Sounds fantastic, right? That’s why an online business owner …

How to Show Line Numbers in Nano Editor?
HOW TO SHOW LINE NUMBERS IN NANO EDITOR?
Do you often face difficulty revealing which line you’re on when using the Nano Editor? Indeed, Nano Editor is a user-friendly text editor option for Linux and Unix-based systems. It’s lightweight, user-friendly, and perfect for testing simple text edits. But, if you’re using this text editor for the first time, you might wonder how to show or display line numbers in Nano …
Do you often face difficulty revealing which line you’re on when using the Nano Editor? Indeed, Nano Editor is a user-friendly text editor option for Linux and Unix-based systems. It’s lightweight, user-friendly, and perfect for testing simple text edits. But, if you’re using this text editor for the first time, you might wonder how to show or display line numbers in Nano …

How to Search in VIM/VI Editor? [VI/VIM Search]
HOW TO SEARCH IN VIM/VI EDITOR?
One of the most powerful and versatile text editors available is VIM, which is much more than just a basic editor. The most notable feature is its search function, which allows users to search for files and edit text. To get the most out of VIM and its features, you need to know how to search within it. This article covers several of VIM’s …
One of the most powerful and versatile text editors available is VIM, which is much more than just a basic editor. The most notable feature is its search function, which allows users to search for files and edit text. To get the most out of VIM and its features, you need to know how to search within it. This article covers several of VIM’s …

Exiting Vi Editor and Saving Your Progress: A Complete Guide
HOW TO EXIT THE VI EDITOR AND SAVE YOUR WORK
Text editors are considered an important tool in the current state of software development. Some users might not have a good understanding of the different functions that control text editors, particularly Vi, or its more advanced form Vim. This is because simple questions such as “How do I save my changes?” to “How do I close the editor while making …
Text editors are considered an important tool in the current state of software development. Some users might not have a good understanding of the different functions that control text editors, particularly Vi, or its more advanced form Vim. This is because simple questions such as “How do I save my changes?” to “How do I close the editor while making …

How to save and exit file using nano editor in Linux
SAVING AND EXIT FILES IN NANO: A GUIDE
When Nano was released in 1999, Linux users embraced it and started using it extensively. Nano’s simplicity, especially its interface, makes it impressive for new and unskilled practitioners. The editing options in the standard Nano editor stem only require a little command recognition. It just accesses a small fraction of the RAM and hardly occupies any disk space.
Nano is a Linux …
When Nano was released in 1999, Linux users embraced it and started using it extensively. Nano’s simplicity, especially its interface, makes it impressive for new and unskilled practitioners. The editing options in the standard Nano editor stem only require a little command recognition. It just accesses a small fraction of the RAM and hardly occupies any disk space.
Nano is a Linux …