Earlier this week I brought some security cameras from my house to the computer shop to hookup not only for security but also so we could make some funny clips about what happens in the store and on the sidewalk outside of the store. I ended up bringing 4 cameras which included a D-Link DCS-3220…
The rar command can be useful on Linux to not only compress a file but also split the file into multiple parts during the compression. This will make the files easier to transfer to other servers or easier for other people to download. First rar needs to be installed which can done on CentOS using…
A friend of mine called yesterday asking if there was a way to make his iTunes music files that he had imported from his CD collection smaller. I was pretty sure this was possible but didn’t remember the exact method to accomplish this so I told him I would call him back. I was able…
Nagios is an awesome open source application that provides a way to monitor pretty much anything that you can think of on your network. There are tons of plugins written for Nagios that will monitor anything from PostgreSQL database size to the number of users logged into a server. Today I needed to start monitoring…
Setting up log rotation for multiple Ruby on Rails projects on the same Linux server is easy using logrotate. If all of your projects are in the same directory structure it is even easier by using variables to work for each different project as explained below in detail. First you will need to install logrotate…