Articles related to technology, how to use software, ways to work around technology problems, install hardware, install software, upgraded software, etc.
I was troubleshooting an issue at work the other day regarding some PostgreSQL connections that were not closing. They were left IDLE, never closed, and eventually used up all of the possible connections (which totaled 100) configured in the postgresql.conf configuration file. In the process of troubleshooting I noticed a bunch of Postgres log entries…
I had one of my clients call me today and say he wanted to make some T-shirts with his logo picture, that I was using on his website. I said OK and sent him the .jpeg file. He called me back twenty minutes later and said his T-shirt guy wanted the image in a vector…
I recently had a customer upload a WPA capture to our tools.question-defense.com server which failed immediately. This can happen from time to time and is for a variety of reasons Sometimes if captures does not contain all 4 eapol packets they will fail , and sometimes if a capture has lots of other wifi garbage…
If you have been following my progress over the last few days you will know that after a complete rebuild of the tools server and a change of the operating system, I have been working hard to get all our temp monitoring back online. The server previously ran Gentoo Linux, which although is still my…
If you have been keeping up with the development on our tools server you will know that we just did a big rebuild and I was looking for a way to monitor the GPU temperatures. Yesterday I wrote a article about how to get these temperatures on a linux server which does not have a…
This topic is fairly known to most older system administrators however I doubt it is used very often anymore. If you happen to manage any servers where there are typically various people logged in and working on different items from the CLI then it can be useful to be able to send them messages. Using…
So as every one knows we just rebuilt our massive cracking server. On the old server I was doing temperature monitoring with LM_Sensors, which for CPU temps is very good but I was not to sure about its accuracy on GPU Temperatures. So I decided to do some investigation into another solution.
I had a emachine T2862 in the shop today which needed a XP reinstall. The owner didn’t have the disks so I had to use a generic disc to install XP. This means that I have to go out on the net and find all the drivers for the box. This is generally fairly painless…
The other day I needed to install ionCube Loader for encrypted PHP code to run on a CentOS Linux server but was initially unable to find a repository that included the php-ioncube-loader RPM package. After a couple minutes I remembered that I had previously used the Atomic repo to install PHP Zend Optimizer and so…