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: # 652659 I used the RHEL6 installation DVD to install pexpect. There is a closed/wont-fix bug ( #54403 ) for the libzip.so.1 dependency. It turns out that libzip is in the "RHEL Server Optional" channel. RHN should be used to enable more channels, but apparently the optional channel is not part of the evaluation license, so I used the web interface to download and install the libzip RPM. The wo...