I wrote another article recently about an issue when attempting to install the srvadmin-all RPM package provided by the Dell OMSA repository. It is likely that when you are installing the OMSA repository that you will receive an error on CentOS and possibly on other versions of Linux. The yum OMSA repository is installed via…
I installed some packages today for a client that uses a third party collocation provider to manage the hardware aspects of their servers. We handle all of the software installations and day to day management of the servers but this other company replaces hard drives and any other hardware that is necessary. Anyhow the third…
Every now and then you will probably install an application that has a certain amount of prerequisites that you should verify on your server before beginning installation. Today I needed to verify that PHP was compiled with curl and/or libcurl support to install an application on a CentOS Linux server. I also needed to verify…
After moving a WordPress site from one server to a brand new server I ran into an issue with one of the WordPress plugins called MM-Forms. The MM-Forms WordPress plugin allows you to easily create contact forms that will either email filled out forms to you, store those forms in the MySQL database, or both…
When attempting to compile the CUDA Multiforcer on CentOS Linux I ran into an error because the argtable2 package was not installed on the server. The CUDA Multiforcer application is a security audit tool used to check the strength of MD4, MD5, NTLM, and SHA1 password hashes. The CUDA Multiforcer attempts to brute force one…
A company I work with uses Gmail to log exception emails from our Ruby on Rails application. This allows us to always capture issues with the application and keep a lengthy history of all the issues without using up disk space on the server itself. Sometimes if there is an issues on a development server…
When building pyrit, which is an application that uses GPU power to run dictionary attacks against WPA handshake captures, on CentOS Linux I ran into an error. The error was related to the pcap.h library which was not found by the pyrit setup.py python script. Resolving the problem is easy by simply installing the libpcap-devel…
One of the annoying things about CentOS Linux is the current dependency on Python version 2.4. Typically I install Python version 2.6 and compile new programs using the 2.6 version of python instead of the 2.4 version. Recently on a server I had just installed CentOS 5.4 on I had a dependency issue when attempting…
When compiling an application called pyrit on a new CentOS Linux server I ran into an issue with some libraries. Pyrit is an application used to perform dictionary attacks against WPA handshakes and can be really useful for security auditing. The error below is easily resolved on any version of Linux by simply installing the…