I don't know why SELinux problems seem so frustrating. The problem almost certainly is related to the fact that there is frequently no error message. This is exactly the problem I ran into while turning up a new Apache web server on Red Hat Enterprise Linux 6 (RHEL6) with SELinux enabled.

Yesterday I blogged about some issues with MySQL Workbench. The problem was that CentOS 5.5 is not supported.

So I installed RHEL6, one of the best known Enterprise Linux distributions. It's a 30 day evaluation, but that should be sufficient.

After some minor issues with VirtualBox I had a working installation. So I tried to install MySQL Workbench again. I used 'sudo yum localinstall mysql-workbench-gpl-5.2.31a-2el6.x86_64.rpm' which failed because of 2 unmet dependencies: pexpect and libzip.so.1

There is already a bug report in RHEL for the missing pexpect: …