Linux Harbour

Open Source Technology Media

Year: 2016

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…

Linux

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…

Linux

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…