Better Server Hosting Network Naming Schemes

It might be fun to name your networked servers something like “hiveship1” and “hiveship2”, but even if you do have some fun with it, you should still make sure you have a good naming system and stick to it. What follows are a few tips for server and network naming.
Hostname (also A record) – This […]

What is a Virtual Storage Appliance (VSA)?

The “Information Age” has left us with more information than we can easily handle. As a result, storage has become an industry in itself, and it is no longer just for backup and recovery. Simple access and retrieval can be difficult when you have terabytes of data to deal with. Virtualization has presented its own […]

Should My Server Have Flash Storage?

In enterprise IT, Flash is a very popular topic. Traditionally, flash storage has been reserved for mobile devices, but more recently it has found its way into servers and even on network devices.
Flash storage can serve a number of purposes:

Replacing or supplementing the hard drive. This type of flash storage is often called a Solid […]

Ubuntu Server Name Resolution Settings

If you have been following our Ubuntu server series, you have learned how to setup a LAMP server and configure an APF firewall. In order to do any of this, you likely already had your networking configured correctly, but if you do not, this brief tutorial explain how to setup name servers and ensure they […]

Linux Server Network Troubleshooting Tools

When you have problems with your server, one of the first things you might want to check is your networking. Slow transfer speeds or incomplete delivery might be signs of network problems. The following are some network troubleshooting tools for Linux servers.
Nmap – Great for network auditing, Nmap offers port scanning, ping […]

What is NFS?

Once you delve into the world of Linux and Unix dedicated servers, you are likely to encounter the term NFS. What is it and how is it used in server configuration?
NFS stands for Network File System (NFS) and serves as a method for mounting drives or directories remotely over a network. NFS has […]

How to Connect to a Virtualbox VM Via SSH (Part 2)

Continued from Part 1. Next, you need to configure Virtualbox to appear on your network. You can do this by using a second virtual network device. Do the following:

Click File…Preferences
Choose “Network” and add a new device if one is not already present by click the green plus.
You should then have a device called vboxnet0 or […]

How to Disable a Firewall on RHEL/CentOS

It is generally not a good idea to disable the firewall on your dedicated server, but there are instances when it might be necessary. For example, if you need to run some network tests or perform some type of maintenance, you may need to have your firewall disabled. Most Linux distributions come with the standard […]

How to Fix a Chroot Network Connection Failure

Creating a chroot jail is a great way to separate certain activities on a dedicated server from the rest of the server at large. Purposes for this can range from creating virtual private server containers to simply needing an isolated test environment. One common problem you may experience after create a chroot jail is that […]

5 Invaluable DNS Tools

You can do everything right with your dedicated server’s configuration, security, and maintenance and still experience problems that seem to be beyond your control. Many networking issues, some beyond your control and some not, are easily detectable if you have the right tools for the job. The following 5 DNS tools can help you get […]

How to Keep Your Server Time In Sync with NTP

As the expression goes, timing is everything. When it comes to automating tasks, monitoring logs, and performing updates on your server, timing is very important. Your server is just like any other computer in the way it keeps time. By default, it has an internal clock that you can set at the Bios level and […]

Common Linux Server Errors and Solutions

Linux is one of the most popular server operating systems, and it has gradually supplanted Unix as the world’s server OS of choice.  There is no single definitive Linux OS but rather several “distributions” based on the Linux kernel.  Because of this, there are some functional differences; however, most of them have similar commands and […]

Server Network Monitoring with IPTraf

Many system administrators do not take sufficient steps to protect their server’s network.  In some cases, they install the firewalls and other automated defenses, but they do not take steps to monitor the network the way that they monitor system services, users, and other dedicated server elements.
To properly ensure your network stays as safe as […]

Using Netstat to Monitor Network Services

Monitoring your dedicated server is a good way to prevent attacks, crashes, and other problems that invariably creep up.  Although there are many external tools to help you monitor your server, Linux-powered servers also have plenty of internal tools that can help you with both monitoring and troubleshooting.
Netstat is a small network tool that can […]

Dstat System Resource Statistics

Over the past two weeks, we have covered a few ways to monitor your Linux dedicated server, from the CPU usage of processes to website bandwidth. In order to get a true understanding of how your server is using or misusing resources, however, you need to use multiple monitoring tools, namely: vmstat, iostat, netstat, […]

Protect Your Server with APF Firewall

Protect Your Server with APF Firewall
There are many firewall solutions out there, and I do not pretend to be an expert on security. Nevertheless, I can testify from experience that some solutions are easier, more secure, and more affordable than others. APF (Advanced Policy Firewall) from R-fx Networks is one solution that […]

Nameserver Subnet Warnings

When you setup a new dedicated server, nameservers are some of the most important components. Without nameservers, your server’s websites cannot connect to the outside world. Any type of nameserver errors should be addressed immediately. The following error is a common one:
WARNING: Not all of your nameservers are in different subnets
If you […]

How to Setup an SSH Key

An SSH key is a highly encrypted code that allows you to connect from one server to another, without having to send the password over the network. Because it is encoded, there is less of a chance that hackers will be able to snatch your password and gain unlawful access to your server.
To begin […]

3 Awesome Server Network Tools

Linux servers come packed with a plethora of useful commands and tools. Knowing when to use the right ones can save you a lot of time and give you insight into your dedicated server and its networking environment. Here are three tools that are indispensable for any server administrator.
Ping – Perhaps the most […]