AWS

#121 AWS: Vagrant and AWS


In this short post I’ll describe how to use Vagrant and AWS instead of VirtualBox. First, install Vagrant as described here. Once installed, install the AWS plug-in. Next, we’ll power up an Amazon AWS Linux instance. Create a Vagrantfile with the...

Azure

#120 Azure: Vagrant and VirtualBox


Vagrant helps developers building and maintaining portable virtual software development environments under VirtualBox, Hyper-V, Docker, VMWare etc..Vagrant uses pre-made boxes as VMs managed with Vagrantfile config file. By default, Vagrant is tied with...

FreeBSD

#120 FreeBSD, KeyBox: Web-Based Bastion Host and SSH Key Management


In this post I’ll describe how to use a web-based SSH client that you can access from the Internet. For example, you want to access your SSH server from anywhere without installing any plug-ins or SSH clients (putty). Mind that if the access to port 22...

DevOps

#119 CentOS, Chef: Install Chef server on CentOS 7, workstation on Windows + managing a node


In this post I’ll explain how to install a Chef server on CentOS 7 server. A Chef server is usually managed by a Chef workstation and the servers that we manage with the workstation via the server are called Chef nodes. For more detailed info, go to...

FreeBSD

#118 Linux, FreeBSD, Windows: rsyslog server and client


In this post, I’ll explain how to configure a rsyslog server and client on various operating systems. For the servers, I’ll chose 2 Red Hat 7 servers and the clients will be AWS Linux, FreeBSD and Windows 2016. rsyslog is an open-source utility...

Windows

#117 Windows: Enterprise PKI on Windows 2016


A public key infrastructure (PKI) is a set of roles, policies, and procedures needed to create, manage, distribute, use, store, and revoke digital certificates and manage public-key encryption. That’s what Wikipedia says. Today, using certificates is a...

AWS

#116 AWS: ssh to a server with private IP only


I was playing with some servers in AWS. One of them had a public IP, but the second one had a private IP only. In order to access the 2nd server with private IP only, open up the key that was given to you for the 2nd server by AWS in PEM format in your...

Azure

#115 Azure: Site-to-Site VPN between Azure and pfSense


In this blog post I’ll describe how to create a VPN connection between an Azure subscription and a pfSense router with a public IP using dynamic routing. Before we proceed, you have to understand that the subnets can’t overlap in Azure and behind...