How to disable IPv6 on Linux

(: May 2, 2018) Do you have IPv6 enabled on your Linux server but it causes issues with some applications that don’t work well with IPv6?. In this guide, we’ll look at different ways to¬†disable IPv6 on Linux Servers – CentOS, Debian/Ubuntu, Arch Linux e.t.c. What is IPv6? Internet Protocol version 6 (IPv6) is the …

How to solve Zimbra zmconfigd not running/starting

(: February 20, 2019) Have you tried starting zmconfigd on your Zimbra server but can’t get it running?. This guide will show you the most common reasons/solutions to why zmconfigd can’t start on your Zimbra server. To check the status of zmconfigd service on Zimbra, use the command: $ zmconfigdctl status zmconfigd is not running. For a …

What is localhost?

localhost is a networking term; it’s the hostname for the loopback network interface of whichever server it’s said in reference to (meaning every server has a ‘localhost‘). The loopback interface bypasses any local network interface hardware, and serves as a method to connect back to the server itself. The term localhost is used often in …

How Do I Secure My Linux Server?

Ubuntu Security Best Practices for Security on Your New Ubuntu Server: Users, Console and Firewall Best Practices for Security on Your New Ubuntu Server: AppArmor, Certs, eCryptfs, and Encrypted LVM How Do I Secure My Linux Server? Our last article on Ubuntu security suggestions touched on the importance of passwords, user roles, console security, and …