Author Archives: TKH Specialist
Setting up MySQL over TLS
- Apr
- 30
MySQL supports session encryption using TLS. Here’s how to configure your server and client to use it. On The Server To start, you will need a server SSL certificate file and a key file, and a file containing the certificate … Continue reading →
read morePicking a Strong Password
- Apr
- 26
Not sure of the origin of this but it is a great explanation of what makes a great password and why.
read moreUbuntu 13.04 Released Today!
- Apr
- 25
Ubuntu 13.04 Raring Ringtail launched today, bringing a variety of design enhancements and performance improvements. The new Ubuntu version offers classy new application icons, a social lens, lightning-fast performance, improved window switching methods and polished preview animations in the dash. However you slice it, Ubuntu 13.04 is packed with a wide array of features for […]
read morePutting ‘lsof’ to use
- Apr
- 19
lsof is a powerful tool that has proven very userful over the years in troubleshooting and forensic investigations. Here are some useful lsof command examples: In this example we are looking at all the files a given process has open (pid=1655 here this is the zabbix agent) lsof -p 1767 Note you can clean up […]
read moreChanging the Volume Group Name
- Apr
- 15
One of the problems with cloning a system is that it has the same volume group names as the server it was cloned from. Not a huge problem but it can limit your ability to leverage the volume group. The fix appears easy but there is a gotcha. RedHat provides a nice utility: vgrename If […]
read morememcached
- Apr
- 12
In support of the Kuali project. Setting up true fail over for the Kuali application servers. Currently if a node went down, the user would need to re-authenticate. The following procedure configures the system so it can lose a node and the users on that node will not lose their session. My part on the […]
read more