Hey for all of you hand-rolling a Kubernetes / Docker cluster, I thought I’d mention a bug with Centos 7.x that is still yet to be fixed. The error is: /proc/sys/net/bridge/bridge-nf-call-iptables: No such file or directory. The fix is simple. Just execute the following command (as root). $ modprobe -v br_netfilter Problem solved. If you…
Category: Linux
Infrastructure as Code using AWS Cloudformation
Problem Statement My Application is very complicated and it currently takes a lot of coordination and time to deploy my application. Does that sound familiar? I think we’ve all lived that problem at least twice in our lives. Deploying applications is never as easy as just double-clicking on “Setup.exe”, although it should be. The Solution…
Does SSL matter? It does and it’s not just web encryption.
Over the last decade, there’s been an ever growing emphasis on security. SSL is taking a seat “Front-Row center” on this period of enlightenment. Interestingly enough, it’s not just about encrypting your traffic on the web. The purpose of this is far deeper. This article will delve into the “why” SSL’s importance has grown and…
Cloudy with a chance of Meatballs
Everyone is talking about the cloud. There’s always the question of which one should you use and what are the advantages / disadvantages. This post (my first one in 7 years) will help to dispel which cloud is right for you. For the purpose of this article, we’re going to focus on 2 specifically. Amazon…
Resurrection of the Blog
It’s been 7 years since I deleted this blog and the associated content without a thought and the outcry from all of you motivated me to bring it back from the infinite regress of the bitbucket. I’ve lost quite a bit of the content due to “life”, but over the next 30 days, the blog…
Encryption type Matters with Deep Packet Inspection – solved
I was helping a client yesterday set up a VPN tunnel only to have it constantly disconnected. The client was located outside of the country. For the sake of avoiding throttling and saving on CPU, we were using the Blowfish cipher and it kept on getting disconnected. I found this rather strange as I’ve never…
Database Backed Web Applications Advice
Here’s the scenario. You’ve got a dedicated server running windows in a server farm (generic dedicated server provider). You have mysql + asp or php app running all on the same server. Raid 1 mirroring and 2 GB of ram. You have to have windows, because your application supports it. Sound Familiar? It’s a problem…
Backing Down from WordPress 3.4 to 3.3.2 [solution]
This post assumes you’re running CentOS. So modify the commands accordingly. I also assume you have your wordpress install in /var/www/something.com After a bit of a while I finally decided to take the leap again to WordPress 3.4 from 3.3.2 only to be disappointed again. There are still some issues they need to work out….
Nuveum offers Free High Performance Virtual Server for donating
It would seem that my Startsomegood.com project for helping the Unemployed is starting to gain some traction. Our first corporate Donator not only donated to the campaign, but decided to add an extra reward to my project. For anybody donating $10.00 or more, to the project for helping the unemployed, they get a free High-Performance…
The Virtual Webtop – A different type of experience
The Term Webtop has been a long time, but has been a fledgeling technology that has failed to take off. The reality is the technology wasn’t ready. In my honest opinion, the original creators had the right idea, but they got the whole concept wrong. So here’s where I’ve come to think about it on…