• 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 files and block some IP addresses for a while. Install fail2ban on Ubuntu $ apt-get […]

  • Installing Mailman on Ubuntu

    Mailman is a famous mailing list system for various open source projects for many years. To install mailman on Ubuntu 16.04, we did the following steps. We install mailman with apt-get. $ apt-get install mailman And it is a must to create a ‘mailman’ mailing list. $ newlist mailman Then following instruction to update aliases […]