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…
When attempting to stop or restart Nagios on CentOS I was receiving the below error. This has been an issue for me for quite some time however I was to lazy to even put a patch in place and always just would kill the Nagios processes by hand. Tonight I was modifying some Nagios configuration…
I needed to create a bash shell script tonight that called another shell script with options that then would load a Ruby environment and execute certain commands within a Ruby project. I ran into numerous issues but most were silly things such as typos or other minor issues caused by myself. The one issue I…
I wrote an article a couple weeks ago regarding a shell script to run that would provide a postgres user read only access to every table in a specific database. Tonight I was updating a over a dozen databases and needed to provide read only access to all of them to a specific user so…
I needed to clean up a directory on a server that included numerous directories each with numerous files inside each directory. I decided to write a quick shell script that would archive with tar and then compress with bzip2. The shell script requires you pass in a variable which could technically just be “*” to include all…
I was recently working on a Perl script that would SSH to another server and run a sudo command on the remote server that was failing. The error that was received is below. Error: sudo: sorry, you must have a tty to run sudo The reason for this is an update along the way with…
If you are unable to play music on the web site www.turkishmusic.org it is most likely that you do not have Real Player installed. When clicking on a link to play music on the site you will receive a pop up asking if you want to open or save a file named t1.pl. The pop…