Please check the ZCS installation guide for the complete instructions.
Netcat (nc) is required on all operating systems using
ZCS. The nc utility must be installed prior to
installation or upgrading.
For CentOS, the server must also have the
NPTL. Native POSIX Thread Library
Sudo. Superuser, required to delegate admins.
libidn. For internationalizing domain names in
GMP. GNU Multiple-Precision Library.
SSH client software to transfer and install the
Zimbra Collaboration Server software.
Valid DNS configured with an A record and MX
Servers should be configured to run Network Time
Protocol (NTP) on a scheduled basis.
Always ready to help.