Simple Authenticated Squid Proxy on CentOS 6.x

This is a guide for putting up a simple, authenticated proxy for http use. This specific install does not handle SSL (https) traffic.  And this set-up can work particularly well on a VPS (Virtal Private Server), like an OpenVZ container.

This how-to assumes that you are using CentOS 6.x

1. Install Squid:
# yum install squid

2. Create the passwd . . . → Read More: Simple Authenticated Squid Proxy on CentOS 6.x

Minecraft Server on a Ubuntu 12.04 OpenVZ Container

My kids have recently gotten into Minecraft, which is a terrific game. However their experience with “griefers” on public servers was less than desireable. So I decided to put a private server (Minecraft world) that’s limited to a few friends. Here my little buddies and their friends can build, ride pigs, and mine without . . . → Read More: Minecraft Server on a Ubuntu 12.04 OpenVZ Container

[Updated] Filezilla Crashes When Using the Site Manager

[Update] As of June 5, issue is fixed with latest round of updates.

Grrrrr…

The latest FileZilla (3.5.3) that installs with Kubuntu-12.04 crashes when using the FileZilla Site Manager.  This FileZilla behavior is actually  caused by a bug in oxygen-gtk2 (1.2.1) which is the latest version that comes with Kubuntu-12.04.

Reference:

http://trac.filezilla-project.org/ticket/7968

https://bugs.kde.org/show_bug.cgi?id=295875

Apparently this oxygen-gtk2 behavior occurs with versions 1.2.2 onwards . . . → Read More: [Updated] Filezilla Crashes When Using the Site Manager

Kubuntu-12.04 Post-Installation Tuning

As of: 2012-04-27

These are my notes and observations taken from a full, hard-disk installation of  Kubuntu-12.04-LTS.  My current main workstation is Kubuntu-11.10, so tested I Kubuntu-12.04 by installing the same applications and utilities that I currently use under 11.10.

Test System Info:
CPU: AMD Athlon 4450e (Dual Core)
RAM: 4-Gb
Video: GeForce 8800 GS
NVidia Driver: 285.05.09
KDE Version: 4.8.2

First, apply recent . . . → Read More: Kubuntu-12.04 Post-Installation Tuning

How to Develop Solid Business Plan Financials

The financial projections within a business plan should layout the timing and costs of the necessary manpower, research and development, purchases, and other start-up items needed to get the deal off the ground and operational. Good financials should also illustrate what possible ROI is available for an investor(s).

Q. So what is the starting point for the . . . → Read More: How to Develop Solid Business Plan Financials

Install Openvz on Scientific Linux 6.x (RHEL 6.x)

This how-to covers the installation of OpenVZ with the RHEL6 kernel on a headless “Basic Server” version of Scientific Linux (SL) 6.x. The Scientific Linux distribution is basically Redhat Enterprise Linux 6, recompiled from source.  This doc assumes that you already have a properly working installation of Scientific Linux.

For installation help with Scientific Linux, their site . . . → Read More: Install Openvz on Scientific Linux 6.x (RHEL 6.x)

How and Where to Use a Business Model

A well-constructed business model is a vital tool for planning the resources needed for steering an operation through adverse conditions or major shifts in a business environment.  Ideally a set of models should be simple enough to maintain without placing an onerous burden on staff as it requires current, rounded budget figures and an intimate knowledge . . . → Read More: How and Where to Use a Business Model

WordPress Auto Update via SFTP on a Non-standard Port

WordPress Auto-update via SFTP on a non-standard port

Assumptions: You have WordPress up and running on Debian-5 “Lenny” (Stable).

WordPress has a nifty “auto-update” feature built-in that works via FTP or SFTP.  However Updating via FTP is a horrible idea because FTP transmits usernames and passwords IN PLAIN TEXT!. In general the use of FTP should be avoided.

So updating WordPress via SFTP . . . → Read More: WordPress Auto Update via SFTP on a Non-standard Port

How-to: Replace the Open Office (org) Office Productivity Suite with LibreOffice

How-to: Replace the Open Office (org) Office Productivity Suite with LibreOffice

This How-to is aimed at Ubuntu-10.04 (Lucid) or 10.10 (Maverick) installs where you want to REPLACE the default Open Office install with LibreOffice. The most recent version of LibreOffice is 3.3.0 which I’ve tested and noticed no change in functionality from the (now removed) Open Office org 3.2 version.

Note: The upcoming . . . → Read More: How-to: Replace the Open Office (org) Office Productivity Suite with LibreOffice

Comparison of Online File Storage and Sync Services

Secure web-based or other on-line file sharing or file synchronization tools can dramatically increase the efficiency of sharing and updating documents between your office(s) and clients.

Here is a comparison between the leading services and methods used for secure file sharing and file synchronization between devices/computers.  An on-line file repository that is available on-line (only) or that synchronizes files and folder between the on-line . . . → Read More: Comparison of Online File Storage and Sync Services