Installing ISPConfig 3 with Nginx, Postfix, Dovecot
To provide new email and web hosting service to our customers, we deploys ISPConfig 3 with Nginx, Postfix and Dovecot on few Linux hosting systems. And our customers have their own private Linode and other cloud service providers. Their own…
Install OpenEMM 2015 on Ubuntu 14.04 LTS
We install a OpenEMM 2015 on Ubuntu 14.04 LTS server edition last week, running on a Linode instance. Our customer would like to send a email to 10,000 on next day of installation, and we choose OpenEMM for his case….
Let’s Encrypt with Nginx on Ubuntu 16.04 Server
Let’s Encrypt is a free and open certificate authority which provides free SSL certificate services to everyone. Their SSL certificates are suitable for web service and email service. Certbot is a tool developed by EFF, it enable HTTPS on your…
Install Jailkit on Ubuntu
If you would like to chroot ssh user, you may installed Jailkit. It is not available on Ubuntu software repos but you can compile & build it in your own. Before we build jailkit, we install the required software building…
Install Fail2ban on Ubuntu
On internet, sometimes some unknown bots / hackers are trying to login any email / FTP servers available on Internet. Some failure login attempts are found on related log files. We can install and use fail2ban to scan these log…