Systems Administration
25 Dec 2022
How to Install PHP GD extension in cPanel? A solution for cPanel VPS and Dedicated Servers
When I was more actively involved in web development, I frequently had to install the PHP GD library on a dedicated or VPS server running cPanel. Anyone just getting started with web development who wants to add more functionality to their website is likely to encounter the error “php gd not installed” sooner or later.
24 Dec 2022
Login to SSH with a Public Key: How to use Passwordless SSH key authentication
Insecure passwords are a leading cause of security breaches. This makes it critical to evaluate more secure methods of logging in to sensitive systems like servers. SSH public key authentication is one such alternative, which makes it impossible for would-be attackers to gain access to your servers simply by guessing your password. As an added
23 Dec 2022
What does “Time to Live Exceeded” mean? TTL Explained
As a network administrator, I occasionally hear the question, “What does it mean when I get an error message that says “Time to Live exceeded”?” People often ask this question when they are having connectivity problems. This error message may appear while using the ping or traceroute command to diagnose one of these problems.. TL;DR
22 Dec 2022
Web hosting Reliability: 8 tips to get 100% Uptime
You deploy a new website or server with the greatest optimism. Unfortunately, it frequently goes down when you least expect it. Does this sound familiar? If you’re like most people, you’ve been frustrated by downtime and the harm it can cause your website or business. However, don’t worry; we’re here to help. In this article,
21 Dec 2022
How to install cPanel on Ubuntu 20.04 LTS
Have you wanted to use cPanel with Ubuntu instead of CentOS? Now you can! Many users prefer to use Have you considered substituting Ubuntu for CentOS when using cPanel? Now you can! Due to its popularity and ease of use as a control panel for managing websites, cPanel is frequently chosen by customers. In the
20 Dec 2022
Why does “df” show 100% used disk space after deleting files in linux?
Does this sound familiar? Your Linux file system is full, so you delete a large number of big files. However, when you check disk usage with df, the disk still shows up as being completely full. If this has happened to you, you’re not alone. Most systems administrators have experienced this at least once. Understanding
19 Dec 2022
How to disable the php mail() function
Are you frustrated with random PHP scripts being able to send spam from your server? If so you’re not alone. Many website administrators have this problem with PHP scripts on their server, and it can be a time consuming game of whack a mole to deal with it. There are many reasons you’d want to
18 Dec 2022
What is a good ping? Why ping speed matters for websites and gaming
Have you ever had a website load slowly, been in a game that’s lagging, or have a skype call turn robotic? One of the main causes of this is excessive latency. As latency is commonly measured with the “ping” command, this latency is often called your “ping time”. This latency measures the time it takes
16 Dec 2022
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
14 Dec 2022
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