How to Update Arch Linux

Using a Different System? How to Update Ubuntu Linux How to Update Debian Linux How to Update CentOS Linux How to Update Fedora Linux Are we missing a guide for your target system? Request one, or submit your own! Introduction

Change Hostname on Arch Linux

Using a Different System? Change Hostname on CentOS 6 Change Hostname on Ubuntu Change Hostname on Debian Change Hostname on Fedora Change Hostname on CentOS Change Hostname on FreeBSD Change Hostname on OpenBSD Change Hostname on Windows Server Change Hostname

Create a Sudo User on Arch Linux

Using a Different System? Create a Sudo User on Ubuntu Create a Sudo User on Debian Create a Sudo User on CentOS Create a Sudo User on Fedora Create a Sudo User on OpenBSD How to Use Sudo on Debian,

How to Secure SSH on a Vultr Arch Linux Server

Introduction After installing OpenSSH, there are extra steps that can improve the SSH security of your Vultr Arch Linux server. Consider following these best practices. Disable Root Login Allowing the root account to connect via SSH is a poor security

Configure Ubuntu Firewall (UFW) on Ubuntu 18.04

Install UFW UFW is installed by default in Ubuntu 18.04, but you can verify this: which ufw You should receive the following output: /usr/sbin/ufw If you don’t receive output, that means that UFW is not installed. You can install it

Use an SSH Key with Non-root Users

Vultr provides a feature that allows you to pre-install SSH keys upon creating a new instance. This allows you to access the server’s root user, however, the key will not work out of the box with newly created non-root users.

Running CoreOS on a Vultr VPS

Please read: Vultr now offers CoreOS on the order page – This guide explains how to setup CoreOS manually. These instructions will walk you through running a single CoreOS node. This guide assumes: You have an account at The

How to Enable or Reinstall SELinux on CentOS

Introduction Security-Enhanced Linux (SELinux) is an enhanced security mechanism at the kernel level. Follow this guide to reinstall SELinux and reset the policy to default settings. If SELinux is not already installed, go directly to step 2. Perform these steps

Upgrade to PHP 7.1 on Vultr One-Click LEMP Stack

This guide explains how to upgrade from PHP 5.6 to version 7.1 on the Vultr one-click LEMP stack. This tutorial is only applicable if your application is running PHP 5.6. PHP 7.1 was released on December 1, 2016. Steps in

Install Jitsi Meet on Ubuntu 18.04 LTS

Jitsi Meet is a free and open-source video conferencing service solution packed with various premium features, such as superior sound quality, high-grade encryption and privacy, and universal multi-platform availability. With the help of Jitsi Meet, you can easily set up

Correcting Network Configuration After Snapshot Restore

After restoring a snapshot to a new machine, you may encounter issues caused by the MAC address of the network adapter changing. Usually, when the network adapter changes the operating system will create a new network adapter for it. You’d

Configuring IPv6 on your VPS

Using a Different System? Configuring IPv6 on OpenBSD Configuring IPv6 on FreeBSD Configuring IPv6 on Ubuntu Configuring IPv6 on Fedora Configuring IPv6 on Debian Configuring IPv6 on CentOS Configuring IPv6 on Windows Server Are we missing a guide for your

How to Reset the Root Password in Single-User Mode

Using a Different System? Reset Windows Server Administrator Password Reset the Root Password on CentOS Reset the Root Password on Fedora Reset the Root Password on FreeBSD Reset the Root Password on CoreOS Reset the Root Password on Debian Reset