Category: Linux

UFW Firewall cheat-sheet

What do we want to archive Install and activate the Uncomplicated firewall (UFW) and list some basic commands for adding and removing rules Requirements Debian, Ubuntu, etc How do we get there Installation: Default rules The following defaults will allow all outgoing traffic, and block all incoming traffic, which will make for a nice set […]

Adding the Courier IMAP server to your system (Debian, Ubuntu)

Courier offers IMAP services for your system. Prequisite: PostFix mailserver package Prequisite: Maildir style mailboxes see here Add the Courier package for IMAP support  Courier will install a self signed certificate at the location /etc/courier/imapd.pem, which can be replaced with a production grade certificate later. Add your local domains to postfix Check domain settings with […]

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