This tutorial explains how to change your DNSSEC algorithm for a DNS zone managed by ISPConfig 3. In this case, the current algorithm is 7 (NSEC3RSASHA1), and we will be moving to algorithm 13 (ECDSAP256SHA256) Log in to the panel
RoundCube error: config.inc.php was not found.
This tutorial shows you how to solve the RoundCube webmail error message: config.inc.php was not found. on an ISPConfig Debian server that uses Nginx as the web server. Solution RoundCube webmail is accessed on an ISPConfig Nginx web server through the
How to create a custom invoice template in ISPConfig 3 Billing Module
This tutorial shows how you can build your own custom template for the PDF invoices in the ISPConfig billing module. The custom template will be update-safe, so you don't have to worry that your modifications will vanish on ISPConfig or
How to renew the ISPConfig 3 SSL Certificate
This tutorial describes the steps to renew the SSL Certificate of the ISPConfig 3 control panel. There are two alternative ways to achieve that: Create a new OpenSSL Certificate and CSR on the command line with OpenSSL. Renew the SSL
Enable image caching in apache for better Google Page Speed results
High page speed and short page load times of your website are essential for good search engine rankings today. In this FAQ, I will show you how to enable caching of graphic and CSS files in apache on Ubuntu and
How to add PHP support for jailed SSH users in ISPConfig 3
Jailkit is an easy to use tool to create and maintain jail environments for shell users on Linux. In this guide, I will show you how to move PHP and its dependencies into the jail so that the jailed user
Which ports are used on a ISPConfig 3 server and shall be open in the firewall?
Here is a list of ports that are used commonly on ISPConfig 3 servers. If you don't have all services installed or if you e.g. don't want to connect to MySQL from external servers, then close the unused or unwanted
How To Disable Error Logging For A Website In ISPConfig 3
To disable the error.log for a website in ISPConfig on an Apache web server, follow this steps: 1) Login to ISPConfig 2) Go to the website settings of the website where you like to disable the error.log and there go
Solution for: fatal: open database /var/lib/postfix/smtpd_scache.db: File exists
If your mail server stops working (neither incoming nor outgoing email works) and you find the following error message in the mail.log file: fatal: open database /var/lib/postfix/smtpd_scache.db: File exists then the smtpd_scache.db might got corrupted. Postfix will recreate this file
Solution for dovecot error: /path/ is no longer mounted. If this is intentional, remove it with doveadm mount
Dovecot is watching the whole server filesystem for modifications and removed or added sub filesystems. If you get errors similar to this one on your server: Aug 30 09:10:23 server1 dovecot: master: Warning: /var/www/clients/client1/web1/log is no longer mounted. If this
