This post will kick off a series on Scalable Solutions. Entasis uses a strong architectural emphasis in our AWS Solutions Group to deliver solutions that are Elastic by nature, Resilient in design, with Performance on demand. These are the three pillars of Scalable Solutions. In this series we will be…
Linux: Replace Disk in MD
On my lab machines I use a pair of physical disks, configured in a RAID 1 with MD, with LVM on top of that. This gives me a lot of flexibility with full redundancy. However recently I had a failure of a drive. Identify the Failure Here is what MD…
Bash: Dynamic Volume Group Mounter
This is similar, but an enhanced version of my custom_mount.sh previously published here: Bash: Automatically Mount File Systems on Volume Group if Present. This previous version was just a simple init script. This updated version is designed for newer Linux distributions that use Systemd instead of Init. The Code The majority…
Fedora 20: Use PPTP VPN
I have had this one in the queue for a while (I don’t even run of Fedora 20 anymore). This one will be short and sweet, because there really isn’t a bunch of discussion that needs to go into it. By default Fedora 20 will block outbound PPTP VPN connections.…
Zimbra 8.6: Bayesian Poisoning
Let me start by saying that this problem is not unique to Zimbra and it certainly isn’t unique the version 8.6, however I was using Zimbra 8.6 when I ran into this problem, so this is how I fixed it. What is Bayesian Poisoning? One of the core tenants of…