Postfix Mail Queue Management

View mail queue

Mailman on ubuntu 16.04

Install apache2

UFW command examples

~~~shell
sudo ufw status

UFW, IPTABLES and IP FORWARDING

BY Default, UFW blocks IP Forwarding. To enable packet forwarding, two configuration files will need to be adjusted, in /etc/default/ufw change the DEFAULT_FORWARD_POLICY to “ACCEPT”:

Configure Postfix as a mail gateway on Ubuntu

Edit /etc/postfix/main.cf

Postfix mail filtering on Ubuntu

Install postfix (config file is /etc/postfix/main.cf)

LXD Containers with Static IP Addresses

Edit /etc/default/lxd-bridge and change the value of LXC_CONFILE

.vimrc sample file

download Sample file

VIM tips

Using tabs

Using LXD on Ubuntu 16.04

install lxd