Gabriel Ramuglia

Author Archive

What is MRC vs NRC? Understanding pricing for hosting, colocation, and internet service.

You may have seen the terms “NRC” and “MRC” on invoices or contracts for hosting, colocation, and transit services as a customer or hosting provider. What do these acronyms actually mean, though, and how do they compare to one another? You may better control your spending and manage your hosting, colocation, and transit costs by

SNI SSL? Configure Apache SSL virtual hosts with SNI to host multiple SSL certificates on one IP

In a previous article, we explored the question of whether SSL requires a dedicated IP address. We learned that, it is possible to host multiple SSL websites on a single IP address using a technology called Server Name Indication (SNI). With IP addresses becoming more expensive and scarce all the time, and SSL being all-but-mandatory

Is a Dedicated IP for each SSL Certificate still needed?

I get this question a lot: Is a dedicated IP address needed for each SSL-enabled website you host? The answer used to simply be “yes”. Luckily, advancements in web standards now allow you to run multiple SSL websites sharing a single IP address. Today’s article is relevant to anyone who runs or is thinking about

Copy Files and Directories in Linux with SSH using SCP, CP, and Rsync

As a server admin, even simple tasks can benefit from a fresh perspective. To that end, today’s article talks about multiple ways you can copy an entire directory and its files in linux. To do so, we’ll be exploring three commands: cp, scp, and rsync. cp You can copy files and folders within the same

Swap Memory in Linux: What is “Swap Space” exactly?

Most sysadmins will have at least some familiarity with the idea of swap memory. However, even if you have come across it before, you might not know exactly what swap is, what it does, or how it works. In today’s article, we’ll be talking about swap memory in more detail to explain why it’s important

Where to buy IP Addresses? A simple question with a more complex answer.

One inquiry I get as a hoster is, “Where can I buy a small block of IP addresses?” The simple answer is, no, you usually cannot buy or sell individual IP addresses like you would a physical product. We’ll explain why this is the case in this blog article and go over some of the alternatives

Restart your Linux Server — Commands to reboot via SSH

As a sysadmin, one of the things you’ll need to do sooner than later is reboot a server via SSH.  Even though it’s easy to do once you figure out how, it’s importance makes it worth learning about. This operation can be essential for maintaining your server’s performance and reliability, assisting you in recovering from

How to Edit the hosts File in Windows and linux to Load an Example Domain from a Localhost Proxy

Editing /etc/hosts in linux In a previous post, we wrote about configuring putty ssh port forwarding. However, for this to be useful, you do need to edit /etc/hosts (in linux) or the “hosts” file (in windows) to point your target domain to 127.0.0.1. So to help you get that going, this article will show how

Create an SSH SOCKS Proxy with PuTTY: A Step-by-Step Guide

If you’re looking for a secure way to connect to remote networks or keep your network traffic confidential, using PuTTY as a SOCKS proxy is a fantastic choice. This approach opens up a new world of possibilities, forwarding network traffic through a secure SSH tunnel while utilizing the SOCKS protocol to offer a simple solution

PuTTy SSH Tunneling: A Step-by-Step Guide

SSH tunneling with PuTTY is a useful tool for encrypting your network traffic or accessing services on other networks securely. Using this software, you can relay network traffic securely from one network site to another, guarding your information against hacking and eavesdropping. This also allows you to connect to things that may be blocked locally,