How to Install Zimbra 4.5 on CentOS5
Version 1.0 Written by Neil McCauley
Here are the steps required to successfully install zimbra on CentOS5 the system will work perfectly even after its rebooted. This has been tested and is working on a production server.
1. Install Centos5 from DVD or CDROM configure the entire disk
2. Configure your Fully Qualified Hostname and IP address
3. Setup your root password
4. Select Server only and select only the following components
Editors
Text base Internet
Development Libraries
Development Tools
Administration Tools
Base
System Tools
5. The system will now install and required need cds 1-6
6. Once the system reboots disable firewall and SElinux
7. reboot the system and then run a yum update
8. Next yum remove sendmail
9. Then yum install openssl097a compat-libstdc++-296 compat-libstdc++-33
10. edit the /etc/sudoers and comment out defaults requiretty
11. edit the /etc/sysconfig/i18n and delete the line LANG=”en_US.UTF-8”
12. reboot
13. Then yum install fetchmail
14. run command setup and remove the following services
Bluetooth
Cups
Exim
15. reboot for changes to take affect
16. Login and cd /var/tmp
17. wget http://download.location/zcs-4.5.5_GA_838.RHEL4.gz
18. tar xzvf zcs-4.5.5_GA_838.RHEL4.gz
19. cd zcs
20. ./install.sh and follow the on screen instructions