All articles by Mike

A common problem, especially after migrating to a different system (for example from Plesk to cPanel or Cwp) is that sometimes emails do not appear correctly at Roundcube. This happens because the dovecot index files are not correct or have wrong permissions.
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Outgoing email problem -> 550 Access denied – Invalid HELO name

550 Access denied – Invalid HELO name (See RFC5321 4.1.1.1) is a very common problem when sending emails from webmail (Roundcube, Horde etc) or via SMTP. The solution is very simple.
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Email delivery issue 550-5.7.1 not meet IPv6 guidelines

A usual email rejection message is becoming more and more frequent. Our system has detected that this message does 550-5.7.1 not meet IPv6 sending guidelines regarding PTR records and 550-5.7.1 authentication. Please review 550-5.7.1.
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Security alert – PHPMailer Exploit [Critical] temporary fix

A very serious exploit was discovered recently. It affects the most used mailing script in the world, PHPMailer. The exploit allows the potential abuser to execute commands and use malicious code. It affects almost every website online, since it is the most used  script to send emails in WordPress, Joomla, Drupal, CS Cart and almost
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“Startups” – once an opportunity, now a plague…

A few years ago the word “Startup” was not known. If you had an idea or you wanted to make a new company you had to make it happen with your own money and abilities.
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A better backup system for WHM/cPanel – Jet Backup Manager

Although WHM/cPanel is an excellent software bundled with a lot of features, I always wanted something better than the original backup system. Something that will allow better backup management, and give the ability to end users to restore backups themselves from cPanel without having to do this from WHM.
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France you have our support

You have our support from Thessaloniki, Greece. This must end, once and forever…
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Change dedicated WHM IP to shared

I have recently had an issue with a VPS migrated to a new machine with new IP. I changed the IP of one account from WHM but then this became dedicated and I wa not able to change the remaining accounts to the new IP.
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WordPress security 101 guide

So you have set up your WP site, and are ready to go live. Are you sure you want to do this without securing it first?
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How to get help for cPanel/WHM issues

A lot of people have problems with WHM/cPanel. The fact is that you get support from both cPanel and also the company that sold you the cPanel license.
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How to fix timeout error in sftp

A friend of mine had an issue with timeout error in sftp sessions. This can be easily resolved by following the instructions bellow.
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Is “unlimited” hosting really unlimited?

We all have seen a lot of hosting companies offering unlimited hosting, with unlimited disk usage and unlimited traffic for 1-3$. But is this really unlimited?
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New logo for Dev-Alert

I am very happy to present you our new logo. It was designed and created by spazio12 design company.
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“Bad” news for RKHunter users

Many of us are using RKHunter plugin from Admin-Ahead in order to secure our servers from rootkits. This plugin was free and excellent for finding and removing rootkits.
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How to fix common cPanel/WHM problems

In order to fix the most common cPanel/WHM problems, there is a built-in script that you can run.
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How to force run cPanel/WHM backup

There are cases that you need to force run a cPanel/WHM backup. This may happen if the cron fails, or if you simply need a newer backup.
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How to install Nginx on WHM/cPanel server

A lot of people are asking me if they should install Nginx in their cPanel server. The short answer is
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How to use Linux Malware Detect (LMD-maldet)

Linux Malware Detect is one of the most useful tools to detect and remove unwanted malware from your server. We will see two ways to install and use it, the easiest and fastest one I have found via a plugin for WHM, and the more advanced from SSH.
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How to get cheaper cPanel/WHM

Did you know you can get a discount for cPanel/WHM very easily? In order to get the discount, simply follow those steps.
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How to use nano editor – Beginners’ guide

In this article we will see how to use the very popular nano editor. This is just a very basic introduction for beginners.
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How to fix permissions in your server

A lot of times we want to fix permissions and ownership of many files in our server. This process can be time consuming if we do it via SSH or sFTP. There is a script that makes this very easy fast.
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How to add a cPanel PHP cron job

A lot of people can’t figure out how to use cPanel cron jobs to call a PHP script, or it simply doesn’t work. So what is the correct syntax to run PHP  scripts via cPanel cron jobs?
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How to use SLI with non-SLI motherboards

So you have two graphic cards and a motherboard that does not support SLI. What do you do?
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Why do I have streamtest.net included in my site?

DMCA.com is one of the biggest copyright protection companies. I am also using their free service, but will probably move to another company after this. They recently purchased streamtest.net. So why do I have a streamtest.net script that calls an image, in my website code without my permission?
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How to fix mod_fcgid: HTTP request length exceeds MaxRequestLen in WHM/cPanel

One issue with FastCGI is that out of the box it may prove problematic. It needs some configuration, and many new server administrators find it difficult to find solutions. A very common error is mod_fcgid: HTTP request length exceeds MaxRequestLen. The solution is simple.
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EasyApache configuration for most servers

You have successfully setup your server and now you have to run EasyApache to recompile Apache with the needed extensions. But what are the most common used? What will you need? I have made a list with the most common options, that 99% of the servers hosting websites will use.
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cPanel SSL privacy warning fix

Almost every single person who installs an SSL in cPanel has this problem. A warning message that the connection is not private and someone may steal data when https is used. The solution is really simple and fast.
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MySQL tuning example for beginners

A lot of people are asking how to tune MySQL in CentOS. So I decided to make a simple guide for beginners with examples of MySQL configuration for VPS and dedicated servers. Another articles for advanced users will follow, that will explain the use of MySQL tuner and will feature a more in-depth tuning of
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Troubleshoot CS Cart blank page

One of the most annoying things that can happen in a CS Cart installation, is a blank screen, without any errors. First you check the error_log but it is empty, then you check the server logs but you find nothing. So what can you do to troubleshoot a CS Cart white page?
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How to deal with mod_fcgid timeout in WHM/cPanel

Using FastCGI has many advantages over DSO or SuPHP, but can become very annoying if you don’t have a lot of experience to configure it correctly. The most common problem with mod_fcgid is the timeout error. Some people try for hours without success to resolve this, by editing the PHP configuration and can’t understand why
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How to display any array from CS Cart

One of the most common questions that new web developers have about CS Cart (and Smarty more generally), is how to display on screen the arrays they want. This can be done simply by using
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Initial Cloudlinux setup step-by-step

At this guide I will show you how to setup Cloudlinux after converting your server to it. More specifically, CageFS, MySQL Governor and PHP Selector.
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How to install Cloudlinux in CentOS

Using Cloudlinux for your server is a very smart move, and can prevent many forms of abuse. Also Cloudlinux is getting updates for known security risks faster than any other distribution. I will make a more extended post about the advantages of Cloudlinux vs other distributions.
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How to update CentOS easily

One think that many people are asking, is how to perform an update of CentOS via SSH. This is a very simple procedure.
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How to install WHM/cPanel step-by-step guide

One of the first things a new webmaster has to do, is to install a control panel. The most common is cPanel. At this article we will go through the installation of cPanel/WHM to VPS or dedicated servers. I will not go in depth with technical details, it will be a simple step-by-step guide to
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