From the blog
How to install Python 2.7 or Python 3.x + Django 1.8 + on CentOS 6 + cPanel
Python is one of the core packages that comes by default with CentOS Linux. However, it is not updated at all on CentOS 6.x, the default version is 2.6.6, which is a little bit old for the current dev requirements when you are building a web app based on this language. If you need to install Python 2.7…
Read More »How to install FFmpeg + PHP-FFmpeg on cPanel
FFmpeg is a popular video and audio converter/processing library, along with the PHP-FFmpeg extension can help you to build powerful video web apps within minutes. FFmpeg can also convert multimedia on the fly and apply powerful filters to your audio and video files. Important: this method should work for plain CentOS 6.x and 7.x without cPanel, you just…
Read More »Rebuilding a corrupted RPM database
A few days ago one of our customers reported that he couldn’t install any packages using yum command using CentOS Linux. After investigating I found the RPM database was corrupted. This is a very common issue on CentOS and RHEL servers. CentOS and RHEL servers use rpm to manage package installation, remove and upgrades. If the rpm database is corrupted in…
Read More »Script timed out before returning headers: index.php
Script timed out before returning headers is one of the most common errors you will see while developing web applications, or if you are a system administrator. It can be caused by many different things, but it’s always related to timeout configurations (or a very bad programmed script). How to fix Script timed out before returning headers error?…
Read More »How to install NTPD on CentOS Linux – CentOS ntp installation guide
How can I install NTPD on CentOS Linux (desktop and servers)? You can do it easily using NTPD, NTP means Network Time Protocol. NTPD is a system daemon that helps servers to keep their date and time syncronized with the global CentOS NTPD servers. This tool is available for desktop or servers running any kind of Linux distribution. In…
Read More »How to fix disk quotas on a cPanel server
On this post we will show you how to check the health of your system quotas, you will also learn how to fix disk quotas on cPanel systems. As it’s very common to face disk quota issues running WHM/cPanel software. Fix disk quotas on cPanel The first thing that you must do while analyzing quotas on a new…
Read More »Error 421: too many concurrent smtp connections
On high traffic email servers you may see this kind of errors, it’s very normal in some situations when your users use lot of email. It basically means that there are a lot of open SMTP connections (incoming and/or outgoing). The exact error message may be something like: 421 Too many concurrent SMTP connections from this IP address; please…
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