CentOS 7.x Install Zimbra on Physical server or VM

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To install Zimbra community edition on physical server or VM use: (For lxc containers or public cloud instances refer to different articles)

1. Disable Selinux permanently in '/etc/selinux/config'.

   SELINUX=disabled

2. Disable SELinux for current run

   setenforce 0

3. Allow required ports in Firewall

   firewall-cmd --permanent --add-port=<port-number>/tcp

   For Zimbra ports refer https://wiki.zimbra.com/wiki/Firewall_Configuration Apart from 389 (LDAP), 7073 (Soap Auth) and 7025 (LMTP) most others are required. Since TLS is used instead of SSL - port 25, 110, 143, etc. should also be allowed.

4. Reload firewall for changes to take effect

   firewall-cmd --reload

5. Configure hostname in '/etc/hosts'

   192.168.1.X zimbra.sbarjatiya.com zimbra

6. Stop any MTA services installed in the server

   systemctl stop postfix
   systemctl disable postfix
   systemctl stop sendmail
   systemctl disable sendmail

7. Install required packages

   yum install perl perl-core ntp nmap sudo libidn gmp libaio libstdc++ unzip sysstat sqlite -y

8. If you want incoming emails to work properly, then setup correct MX records for the domain to point to this server.
9. Download Zimbra latest version from official web site

   https://www.zimbra.com/downloads/

10. Extract the downloaded file

    tar xzf zcs-8.7.6.X.X.X

11. Start the installation

    cd zcs-8.7.6.X.X.X
    ./install.sh --platform-override

12. Use below inputs for using Zimbra installation wizard
    1. Enter 'Y' for agreeing with terms of service
    2. Enter 'Y' for agreeing with license agreement
    3. Enter 'Y' for installing Zimbra-ldap, Zimbra-logger, Zimbra-mta, Zimbra-snmp, Zimbra-store, Zimbra-apache, Zimbra spell, chat, drive, etc.
    4. Enter 'Y' for system will be modified warning. The setup should now install various rpms for Zimbra.
    5. If FQDN is different from domain name (eg FQDN zimbra.example.com, domain example.com) then Zimbra will give error that MX record cannot be resolved. Enter 'Yes' for change domain name.
    6. Enter new correct domain name such as example.com
    7. This would bring setup to Zimbra configuration menu. Only admin password needs to be configured rest all can be left as it is for basic setup. To configure admin password use menu option and set appropriate admin password.
    8. Press 'r' to return to previous menu and then 'a' for applying configuration
    9. Enter 'Yes' for saving configuration to a file
    10. Press enter for file path option and continue with whatever file name has been suggested
    11. Enter 'Yes' for system will be modified warning
    12. Now setup should take really long time for various installations and configurations
    13. Enter 'No' for notify Zimbra of installation for test machines. In case of production machines you can optionally enter 'Yes'.
    14. Press return to exit on 'Press return to exit' message :)
13. Check status of Zimbra services which take a few minutes to start

    su - zimbra
    zmcontrol status

14. Access admin panel via browser

    https://zimbra.sbarjatiya.com:7071

• Reference url: https://www.unixmen.com/install-zimbra-collaboration-suite-8-6-0-centos-7/

Retrying installation

In case installation fails mid-way then remove by referring Zimbra uninstallation and try again after resolving issue which caused the previous installation to fail.

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