How to Perform an In-Box Upgrade on an Ubuntu VPS

In-box upgrades on any operating system can be tricky. You are essentially updating all of the software, including the kernel, while keeping all of the current data. This makes it inherently risky, and some would argue against it and maintain that you should either not do upgrades or only do backups and clean installs.
For Ubuntu […]

Can I Upgrade the Kernel on My VPS?

It is generally understood that a server running Linux needs to have a relatively recent kernel version or at least one that has been securely patched to fix any vulnerabilities. For dedicated servers, a kernel upgrade is not big deal; a simple install, reboot and you are done. For a virtual private server, it can […]

How to Add Repositories to Ubuntu Server

Ubuntu is well known for being one of the most popular Linux-based desktop operating systems, but it is also become popular for server usage as well. The highly-acclaimed cloud platform OpenStack is built around Ubuntu, and many web hosts now offer it as an option for their VPS and dedicated server clients. This brief tutorial […]

Use VLC to Stream Live Media

You do not have to pay big money to stream video or audio over the Internet. If you already have a dedicated server or VPS, you can use VLC to stream media to your users.
VLC is a free and open source video player and streaming media server. On the client side, you can use it […]

Is it Wise to Oversell to Your VPS Customers

Overselling is not a new concept. Every web hosting company that offers “unlimited” anything (bandwidth, disk space, etc.) is overselling. There is always a limit, even if they do not tell their customers. Their bet is that at least some customers, maybe even most, will not use up all the resources at once. It […]

Can One Virtual Machine Compromise the Security of Another?

One of the frequently mentioned benefits of VPS hosting is that it is more secure than shared hosting because your account is walled off from other accounts, allowing them to function as separate servers. Virtual private servers and virtualization in general are generally thought to be secure. So, can one virtual machine compromise the security […]

Full Virtualization vs. a Chroot Environment

Virtualization is extremely popular in the server world right now, and many organizations swear by it. Still, there are some IT people that will look at individual virtualization examples and say to you, “Why don’t you just use a chroot environment.” There are pros and cons to this method, and we will discuss the benefits […]

How to Install OpenVZ on CentOS

CentOS is one of the most popular free and open source server operating systems. OpenVZ is a popular open source system for creating virtual private servers. Combine the two together, and you have a low-cost yet powerful VPS system. The following is a brief installation guide to get OpenVZ running on CentOS.
Step 1. Add […]

How to Track Running Processes

A process is any type of program currently running in a computer system’s memory. All types of dedicated servers have processes, and on Linux and Unix systems, they are easy to track, troubleshoot, and manage.
One of the most important commands you can use to track a process is “ps”. When executed it will display […]

What to Expect from a VPS Provider

Most web hosting companies offer some form of VPS service, so it can be difficult to decide which one is right for you. A virtual private server can be almost anything that uses virtualization, so it is important to know what you are getting and if the services offered fit your needs. These are some […]

5 Reasons Why a VPS is Good for Business

A virtual private server (VPS) is a low-cost alternative to a full dedicated server. Using a VPS has a number of strategic advantages for small and medium sized businesses. Among those advantages are the following:

Savings – Above all else, a business that is small or just getting started will need to find ways to […]

Quick-Deploying Cloud VPS Systems

Sometimes you need a dedicated server but do not need the full hardware package. A VPS is great for small server projects that do not require the full power and memory available on the system. Moreover, many cloud companies offer VPS systems that are quick and easily to deploy, charging monthly or even hourly fees […]

A Basic Guide to SSH Server Connections: Part 2

Connecting to an SSH server is usually pretty straightforward, and your login credentials are encrypted for security. This makes SSH useful for other types of connections beyond basic shell access. Backup/syncing tools like rsync can use it, and file transfer programs like SCP for SFTP can use SSH technology for secure file transfers.
In part one, […]

Should You Worry About Malware on Your Server?

Malware is in the news all the time. From high profile cyber attacks on government infrastructure, to viruses that affect millions of home computers, malware is everywhere. As a system administrator, should you be concerned about malware on your dedicated server or virtual private server(VPS)?
First, we should have a clear definition of what malware is. […]

Managing Virtual Server Deployment

One of the dangers of hosting virtual private servers is what is known as virtual server sprawl. Like constructing buildings in an area, only so many virtual machines can occupy a single server. High demand for VPS accounts may quickly out pace your ability to create new machines or even deploy new servers to host […]

What is Burstable RAM on a VPS?

When shopping for a virtual private server (VPS), one of the terms you will come across while reading technical specifications is “burstable RAM”. Usually, the specifications will list the amount of RAM available on a VPS package and then list the burstable RAM, which is always more than the allocated RAM amount, beside it.
As the […]

Server End of Year Tasks 2: Scan for Vulnerabilities

As the end of the year approaches, you have probably fallen behind on some of your routine security checks. The holiday season is a busy time for hackers who try to exploit the increased online user activity, especially the activity of holiday shoppers. Sometimes security can cost you money, so it is a good idea […]

How to Find Out Disk Usage on a Linux Server

Your VPS, dedicated server, and backup device all have something in common: a finite amount of space. Fortunately, you can always free up space, add a new drive, or compress files as needed. But you never want to get into a situation where the lack of space surprises you. On a Unix or Linux server, […]

How to Install FFMPEG in CentOS

Websites have graduated far beyond simple text-based one-page documents. Most include all sorts of multimedia, from videos to full animated applications. Many small website owners may rely on cloud service providers for their music and video streaming, but if you ever need to host your own media content, you will probably need a program that […]

Do You Need a Dedicated Server for One Website?

If you are new to web hosting or are just getting started with your website, the whole idea of a dedicated server may be foreign to you. At some point, however, you might find yourself in need of one or even several. In many situations, people use dedicated servers for multiple websites, but there are […]

Benefits of Using a Virtual Private Server

Depending on the business you are involved in, opting for a dedicated server may make the most sense. On the other hand, there are plenty of situations where you can make a strong case for a virtual private server (VPS) to save money and make things a little easier for you.
The following are benefits of […]

3 Open Source VPS Options

A VPS (virtual private server) gives you the ability to host several instances of your operating system within a single dedicated server.  Each virtual machine or container within your server behaves independently as though it were a server by itself.  This gives users all of the benefits and administrative access of a full dedicated server […]

How Important is Memory on a VPS?

Yesterday, we looked at low end boxes, inexpensive servers with less powerful hardware than your average high-quality dedicated server.  Many low end boxes are actually virtual private servers (VPS), and are, therefore, technically not boxes at all.  With a VPS, you share your server with other tenants, all of whom need to play fairly to […]

Using a Low End Box for Backups

Every system administrator should have a server backup of some form.  For on-premise servers, it may be an external storage device, either physically connected to the server or stored within a network-attached storage (NAS) device.  For remote servers, you can still use a local storage or lease a separate server for backups.
In some cases, your […]

Should You Run from Web Hosting Gimmicks?

“Now, for a limited time only, you can get a free domain, unlimited disk space, and unlimited bandwidth for an unbelievably low price!”  You have likely seen similar promises from web hosting companies, and you may have been tempted to have your dedicated server or VPS hosted by them.
Their offers seem enticing, and it does […]

7 Lessons I Learned from Having My Own Server

For several years I leased an unmanaged dedicated server from a company that will remain nameless. I loved the experience, but there were plenty of times when I made horrible mistakes. The following are seven lessons I learned from having my own server.
1. Whatever I thought I knew was far less than what I needed […]

Advice to New Dedicated Server Admins

It is easy to make the decision to purchase or lease a dedicated server, but that does not mean you will automatically know what should and should not do with it once you have it.
I can remember being a beginner and thinking I knew quite a bit about running servers […]

8 Signs That It’s Time to Get a Dedicated Server

Sometimes it is difficult to know when it is time to make the move from one technology to another, or when to upgrade from one version to a later one.  As your website or websites grow, it is important to track their progress, understand their weaknesses, and be prepared to take them to the next […]

Top 10 Reasons to Get a Dedicated Server

There are plenty of reasons why you might want to make the move to a dedicated server.  While most people think in terms of space or power, not all reasons revolve around these factors.  Here are 10 of the top reasons you might want to get a full dedicated server.
1. You run a business and […]

Using OpenVZ on CentOS

CentOS is one of the most popular Linux distribution for dedicated servers. This is largely because it provides the functionality and stability of Red Hat Enterprise Linux without the licensing and support fees.
OpenVZ is a free and open source virtualization solution that you can use to create virtual private servers (VPS). In OpenVZ’s […]