Learned something New.
- When put in charge of the admin responsibilities of a linux RedHat 2.1AS server, there are somethings that I have learned.

There are some logs in /var/log that can get very big and use up substantial disk space.

Yesterday my sendmail was giving me a error of insufficient disk space. unable to send. unable to save. with a few other errors. So, I googled, and learned that the df command is very handy. It showed me that in the filesystem mounted on /var was 100% used up. So I started there. I looked through the entire /var dir looking to what was going on. The maillog and the secure files were huge. Hadn’t been looked at since we the server was started in 2005. I also found in /var/mail each user that had mail also hadn’t been cleared for a while. root’s mail had thousands of emails, spanning back from 2005.

After a few hours and reviewing and clearing several hundred megabytes up, the sendmail resumed it’s proper operation.

Thanks to:
http://forevergeek.com/linux/check_disk_space_in_linux.php

The developers and hosts for:
WinSCP :: Free SFTP and FTP client for Windows

Learning Object Oriented Programming

The majority of my programming experience is from PICK/BASIC on jBase running on a Redhat Linux Server.

The more I do in Pick/Basic the more I become interested in learning new lauguages and branching out to other platforms. In my attempts to branch out and learn new languages I have found interest in mostly Ruby on Rails. But they are different than what I am used to seeing, and they seemed to have a common theme. I have since learned that Ruby is a Object Oriented Language.

I have found this wikipedia page very helpful in explaining Object Oriented Programming.

http://en.wikipedia.org/wiki/Object_oriented

... to be continued.

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