ZNC is a free and open-source IRC bouncer that stays permanently connected to a network so clients can receive messages sent while they're offline. This tutorial will walk you through the process of installing and configuring ZNC on CentOS 7. It is assumed that the user knows how to configure the firewall. On CentOS 7 it's FirewallD, which drops any incoming connections by default even if you have configured Vultr's web-based solution. ##Installing ZNC Installation of ZNC is fairly straightforwa......