String Substitution in PERL vs SED Removing Disk I/O Factor
A lot of systems administrators will use SED for string substitution, when they should try using PERL. When doing string substitutions with SED the string substitutions write to a seperate file, then...
View ArticleHow to use the PERL Blowfish Encryption Module with Padding Capabilities
If you have a scenerio when encryption is necessary for your data, a perl script utilizing the Crypt::Blowfish module to get the job done may be your answer. The code is pretty straight foward however...
View ArticleNotify me someone is logging into my Linux server
If your like me you like to know who is logging into your servers, hopefully this blog entry will help. So the scenerio goes someone has logged into your server through means not legal or ethical at 4...
View ArticleLinux Usage Statistics Using Ruby Gem usagewatch
I recently had a Ruby project which needed detailed Linux Usage Statistics, such as CPU, DISK, TCP/UDP, Load, Bandwidth, Disk I/O, and Memory. So I authored and open sourced under (MIT License) a Ruby...
View ArticleWorking with IP address information using Ruby
I recently needed to create an IP address range in array format, and came across a nice Ruby Class “ipaddr” for working with IP address information. My goal was to white list an IP by cross referencing...
View ArticleHow to make a Python Web App in Virtualenv using Flask, Gunicorn, NGINX on...
This article will cover creating a scalable Python Flask web application on Ubuntu 18.04 using Gunicorn and NGINX. The web application also leverages Virtualenv to provide an isolated Python...
View ArticleA scalable Flask application using Gunicorn on Ubuntu 18.04 in Docker
This article will cover creating a scalable Flask application using Gunicorn on Ubuntu 18.04 in Docker. We loosely are defining Flask application to mean serving up a web page via a GET request,...
View ArticleScaling a Python Flask App with NGINX using Multiple Containers with Docker...
This article will go over scaling a Python Flask application utilizing a multi-container docker architecture. Leveraging Docker Compose we will create a NGINX Docker container that will act as a load...
View Article