Let’s Encrypt is a free, automated, and open certificate authority (CA), run for the public’s benefit. Let’s Encrypt is a service provided by the Internet Security Research Group (ISRG). The key principles behind Let’s Encrypt are: Free: Anyone who owns a domain name can use Let’s Encrypt to obtain a trusted certificate at zero cost. Automatic: Software running on… Read More
In order to install VMware Tools On Debian you will be employing a two step process. First you will need to right click on the Virtual Machine in vSphere and choose “guest” > “Install/Upgrade VMware Tools” pictured left. Next you will need to run the following commands in terminal. This procedure works for every version… Read More
Recently after installing a fresh new copy of Debian 8 (Jessie), I found that root ssh access was set to without-password by default now. What that means to you is that if you are trying to ssh to your server with your root account and password, you will receive an access denied error. In order… Read More
Instructions are a re-post from the dell site here. First we will need to add the Dell OpenManage Ubuntu Repository to our machine with the following command. Next to verify OMSA packages, add the repository key to apt and make apt aware of the new software repository by issuing the following command. Next, install one… Read More
To preface this how-to, I would like to lay out the scenario that led me to write this article. Most of our clients that deploy an enterprise image of Windows typically use SysPrep to create a machine agnostic base configuration and then they capture the SysPrep’d image using either Clonezilla or Acronis True Image. This… Read More
If you are using Zentyal Server, ApacheDS, LDAP or AD then chances are you have probably used Apache Directory Studio. If not, you may want to take a look here. Apache Directory Studio is an awesome tool for editing ApacheDS, LDAP and AD Databases. With that said, if you have been using it for any… Read More
If you read our previous article Zentyal 3.2 LDAP Authentication you may note that this method no longer works with the 4.x branches of Zentyal Server. Zentyal Server now provides a full drop in replacement for AD(Microsoft Active Directory) using Samab4. So lets get down to it. If you need to authenticate other applications against… Read More
My original interest in this methodology came when I stumbled across Eric Mann’s article, Ludicrous Speed: WordPress Caching with Redis. Of course this led to more in-depth research which produced the solution I eventually settled on which is our modified version of Wp Redis Cache by Benjamin Adams. So, in this tutorial I will walk you… Read More
Rspamd is an advanced spam filtering system that allows evaluation of messages by a number of rules including regular expressions, statistical analysis and custom services such as URL black lists. Each message is analysed by rspamd and given a spam score. According to this spam score and the user’s settings rspamd recommends an action for… Read More
OPNsense is an open source firewall distribution based on FreeBSD. Typical deployments are stateful perimeter firewalls, routers, wireless access points, DHCP and DNS servers, VPN endpoints, and UTM-machines. The OPNsense project is a fork of PFSense Firewall. The OPNsense distribution can be downloaded for free and installed on computer hard disks, SSDs, Compact Flash cards… Read More