Unix and Linux

Delete MySQL History in MySQL Command Line Interface

Do you notice that when you execute any query command in MySQL command line interface, the history can be trace by “Up” key. It might be a security expose when you created a new user via CLI, especially when you server is compromised or some other user sharing the same login trying to look through the historical command you have issued before. Read More »Delete MySQL History in MySQL Command Line Interface

How to Install Exim on CentOS 6

The default Centos package didn’t offer Exim. We’ve been using Exim for more than 10 years, love the flexibility of configuration and it can be a very strong MTA to do a lot of good stuff. We can’t find Exim on rpmforge either. Alternatively, we can use Fedora EPEL (Extra Package for Enterprise Linux)

To install Exim on Centos 6.x server, follow the step below; Read More »How to Install Exim on CentOS 6