Managing Multiple SSH RSA Keys

Overview It’s not difficult to argue that using RSA key pairs rather than passwords is more secure when using SSH. Where it can get complicated is when you’re dealing with infrastructure on different networks, such as having one on your local LAN and another in the cloud. For security or political reasons, you may want […]

Best Linux Load Balancers – 2014

Overview Linux can be used as a very capable load balancer for small-to-medium sized organization, or for projects that do not require enterprise level load balancing features – think granular roles and user delegation, and built-in content caching. The following is a list of popular load balancer solutions that can be used on most Linux […]

HAProxy Load balancer on Ubuntu 14 Server

HAProxy is a great load balancer solution for those who do not need enterprise functionality. In this post I discus how to deploy it on Ubuntu 14 Server.

Mounting SMB Shares on CentOS 7

Microsoft CIFS or SMB, whichever name you prefer to call the protocol, mounting these shares onto a CentOS 7 server or desktop is possible. Not just limited to shares hosted from Microsoft Windows, we can also mount shares from any network device that uses the SMB protocol. This includes just about any NAS device on the market.

Step-by-Step Deploying a Windows Server 2012 R2 Read-Only Domain Controller

Overview Read-only domain controllers are ideal in remote location where system security cannot be guarenteed. They allow the remote site to have local authentication point, without storing vulnerable data about every object in the domain. The only information stored on a read-only domain controller is that of users and computers it has been authorized to […]

Do’s and Don’ts of Domain Controller Virtualization

As with an increasing number of server roles, domain controllers a great candidates for virtualization. That doesn’t mean you can just simply through your domain controllers onto a virtual platform. There are a few things you must understand before you do your first deployment. Hypervisors have given systems and infrastructure administrators powerful tools to manipulate […]

Direct Routing Load Balancer Cluster on CentOS 6.5 using Keepalived

Learn how to create a Direct Routing active/passive keepalived loud balancer cluster. Direct Routing load balancing is ideal when hosting large files or multimedia.

How to Configure MySQL 5.1 Master Slave Database Replication

Learn how to replicate your MySQL databases from one server to another to ensure a live copy is always available. This configuration uses a master-slave methodology, which maintains a live version of your database on another server in read-only mode. In a disaster scenario, where your master server fails, the slave can then be promoted to a master, bring your application back online without the need to restore from backups.

Deploying a Puppet Master Server on CentOS 6

Learn how to deploy a Puppet Master server on CentOS 6.X using the free open-source release, and automate system configuration management in your infrastructure.


© 2014 Shane Rainville