Linux/Unix Terms You Should Know: Part 3

Part of the learning curve of a new Linux server is learning all of the terminology. You might not be familiar with some of them even if you have experiencing working on other operating systems. In part 3, we will look at some more of these terms.
daemon – This is a program that is often […]

A Basic Guide to SSH Server Connections: Part 1

Many system administrators have taken a liking to web-based control panels to manage their dedicated servers. While a control panel certainly has its benefits in some situations, there are still some areas of server management where there is no substitute for having shell access. SSH allows you to remotely connect to your server’s shell, providing […]

Network Terminology You Should Know

As you delve into the world of dedicated servers, you will encounter a mountain of terminology. You might already be familiar with some, but others may leave you scratching your head. The following network terms are frequently used in all types of networking and also in web hosting in particular.
TCP – Transmission Control Protocol or […]

How to Create an Apache Virtual Host in Webmin

Apache HTTP Server can run in a single instance, one host per server, or as multiple virtual hosts, allowing you to have several websites. Manually setting up virtual hosts can be a bit of a pain, and paying for a commercial control panel may not be in your budget. With the free and open source […]

How to Use SFTP to Transfer Files

One of the oldest methods for transferring files from your computer to your server is called FTP (file transfer protocol). Unfortunately, this method is not secure, and if you need to transfer sensitive data and also protect your username and password, you should use a method that provides better security. SFTP is one option.
Most modern […]

How to Monitor Linux Server Users in Real Time

Under many scenarios, you may never allow other users to login to your Linux server, and you can still function successfully. In rare cases, however, you might need to give certain users SSH accounts to allow them limited access to command line functions within a chroot jail. In those situations, you need a […]

How to Block IP Addresses from Your Server

As we have stressed in earlier posts at Dedicated Server School, regularly checking Linux server log files is a crucial part of server management. Knowing what is going on in your logs is a great way to detect attempts to thwart your security and come up with early prevention methods. The question you […]

What is 127.0.0.1?

Work with a dedicated server long enough and you are bound to see this rather odd-looking IP address. Do not panic, and do not start worrying that someone has hacked your brand new server. Most importantly of all, do not, under any circumstances, attempt to block this address.
For all intents and purposes, 127.0.0.1 […]

DNS Records and Their Meanings

DNS or Domain Name System gives the Internet its identity. Every website URL and email address is linked to an IP address, and DNS is the system that translates the IP into a domain.
When you setup DNS zone records on your server, there are various types you will encounter:
A – An A record is […]