With Samba4 becoming more relevant everyday as a drop in replacement for AD, I am regularly fielding questions regarding password management. Below I will describe the basics of password management on a QNAP NAS running Samba4 in Domain Controller Mode using the samba-tool. The following code shows the commands dealing with passwords and account expiration.
If you are hosting a Matomo Web Analytics installation on your Linux server, than you may find it useful to automate the update using a bash script. While Matomo is capable of doing a web based update, we strongly believe in the principle of least privilege. Using this principle ensures tight security, however this comes… Read More
If you have ever owned a Toshiba Desktop or Laptop you may be aware that preinstalled on your machine is the Toshiba Recovery Media Creator utility. This utility will enable you to create recovery media that is capable of re-imaging your system to factory settings. With all that said, if you go to create recovery… Read More
If you are using Hyper-V and running a Ubuntu 18.04 guest, you may not be aware that Microsoft provides Linux Integration Services (LIS), which are basically Microsoft’s version of VMware Tools. In this article we will detail how to enable LIS on our Ubuntu 18.04 virtual machine. The first step is to edit the “modules”… Read More
If you read our previous article Easy Debian Server Firewall, then you may have noted that on Debian Stretch the described method no longer works. This is due to systemd. In the article below we will walk through creating a persistent IPTables based firewall on Debian Stretch. First we need to install some required software… Read More
If you are running a vanilla install of Debian 9, you may know that the Linux Kernel version is 4.9 out of the box. While this kernel is certainly not old, if you are running on a newer laptop or netbook, you may want to go with a newer Kernel to support your hardware. In… Read More
If you are running a vanilla install of MailCleaner, you may know that the Linux Kernel version is 3.16 out of the box. While this kernel is certainly not old, if you are running on newer hardware, you may want to go with a newer Kernel to support your hardware. In this tutorial we are… Read More
If you are running a MailCleaner Anti Spam Gateway in your organization, than chances are good that at least once someone has tried to brute force a sasl login to your server. Below we will configure Fail2ban to easily prevent an sasl brute force attack by blocking the offending IP address after a set number… Read More
Are you running a MailCleaner Anti Spam Gateway on your network? If that is the case, you may have other systems that could benefit from directly connecting to the MySQL instance on you MailCleaner Server. Below is our MailCleaner MySQL configuration script that will set the MySQL root password and add the proper firewall rules to… Read More
MailCleaner Virtual Appliance is a full business anti spam software solution, including the operating system, anti-virus, anti-spam and a complete administration environment. It is installed on the hardware or Virtual machine of your choice ( VMWare, Xen Citrix, Proxmox, KVM, Hyper-V,… ) to create a veritable anti spam filtering appliance gateway. MailCleaner implements a number… Read More