Showing headlines posted by heitorlessa

Working with Amazon AWS EC2: Ephemeral disks

Ever wondered how useful instance storage (ephemeral disk) could be? Ephemeral disk is a temporary storage that it is added to your instance, and depending on your instance type the bigger is such storage.

Quick troubleshooting network bottleneck on Windows (using Open Source)

Have you ever looked for a tool similar to iftop to Windows? Where you could quickly see where the network bottleneck or even a malware is coming from/to ? We have a wide range of softwares for troubleshooting in Linux ie built-in or not, however when it comes to Windows environment you can mostly find sharewares and only few freewares that really do the job. So, we will be showing in this quick tip an application called Show Traffic which is old (2008) but gold, and can save you from some headaches.

MySQL PAM and Active Directory authentication

How-To configure your MySQL to use PAM and/or Active Directory authentication with percona-pam-authentication plugin, and then use your existent AD or Linux users to connect to MySQL databases.

SFTP Jail (chroot) with Active Directory authentication

How-To secure SFTP using chroot with AD authentication restricting by Group as well as having a public area for users.

Virtual machine images for VirtualBox and VMware

Looking for Virtual machine images for Virtualbox and/or VMware? That quick tip is for you then.

Site-to-Site VPN with Amazon VPC using pfSense

Wondering how to get a VPN working with your business and Amazon VPC? Check out the new: How to create a Site-to-site VPN between pfSense and Amazon VPC using Virtual Private Gateway feature

SSH Two-factor authentication - Google authenticator

Implementing ISO 27001? Looking for a better way to secure your SSH? This article is a must read for you then. I am covering here how to use Two-factor authentication in SSH using a virtual token installed in your smartphone (Android, IOS, Blackberry, etc).