Errors related to applications, code (PHP, Ruby, etc.), hardware, drivers, etc.
Last week I spent a lot of time trying to upgrade the BIOS on a Dell Poweredge 650 server which ended up being a pain not only because the server is so old but because of various other issues I ran into along the way. This weekend I thought I was going to be in…
I recently upgraded crark on a CentOS Linux server from an earlier version to Crark version 3.3a. Initially it looked as if everything worked without problems and the speeds were improved slightly over the previous version of crark I had installed. After the initial testing though I noticed an issue when attempting to run crark…
Last week I tried a bunch of different methods to try and upgrade a Dell PE650 BIOS. I finally settled on using a floppy disk to upgrade the BIOS however I initially ran into some issues with various floppy drives and floppy disks. One of the issues was an error message I received when attempting…
Earlier a client with a fairly complex network setup had a power outage in one of their data centers in Dallas, TX. The power outage caused three servers and a firewall to lose power causing all sorts of other issues on the servers themselves. One of the primary issues was getting the PostgreSQL cluster back…
While troubleshooting another problem this evening I noticed a bunch of avahi-daemon errors in the messages log on a CentOS Linux development server. The error hasn’t caused any issues that I am aware of and may be a simple case of a new warning message or another server on the network sending rogue DNS packets…
Earlier this morning while working on a CentOS Linux development server I received errors when doing anything with the yum package manager. I believe the error started after upgrading the kernel on the server from kernel version 2.6.18-164.15.1.el5 to kernel version 2.6.18-194.3.1.el5. After upgrading the kernel yum would output the same error multiple times as…
I have a couple development servers I have been using for testing PostgreSQL configured with walmgr for log shipping. The secondary server stopped working the other day and I finally got a chance to look into it this morning and attempted to restart Postgres via a terminal but it failed. Below I describe how the…
While working on a clients computer yesterday I needed to send some of the logs from the computer to myself so I could analyze later on my computer. At first I had to install the Exim MTA which I will write an article on in the near future but once installed mail was still not…
I ran into a error when installing the first gem on a CentOS development server I was creating. The error states that the extconf.rb file could not the header files. Below I show the output of the error along with what was done to resolve the error.
I recently setup a new server with Ruby and Rubygems however I received an error when attempting to install my first gem which happened to be ruby-lsapi. Below I explain the error including an example of the error in the output of installing a gem as well as what was done to resolve the error.