Linux
24 Mar 2023
Debian vs Ubuntu: A Comprehensive Comparison for Server and Desktop Users
Have you ever found yourself scratching your head, trying to decide between Debian and Ubuntu for your next server or desktop setup? You’re not alone. With their shared history and common features, it’s no wonder that many Linux users struggle to choose between these two popular distributions. At IOFLOOD, we see strong demand for both
21 Mar 2023
MDADM Status Notifications: How to configure mdadm email alerts for software raid drive failures.
When managing a dedicated server, one crucial aspect to keep an eye on is the health of your RAID (Redundant Array of Independent Disks) system. RAID systems are like the unsung heroes of the server world, working behind the scenes to keep your data safe and accessible. Just as you’d want to know if your
28 Dec 2022
Need a CentOS Replacement? 5 Best CentOS Alternatives in 2023
Are you looking for a CentOS alternative in 2023? If so, you’re in good company. Many people have been after CentOS alternatives in the last few years. This is largely due to changes made by RedHat for licensing and ongoing maintenance for CentOS. For the unfamiliar, CentOS is a Linux distribution built on the Red
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
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
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
13 Dec 2022
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
12 Dec 2022
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