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Zimbra migration from 7 to 8 + 32 bit to 64 bit server
WHAT IS THE GOAL Migrate Zimbra 7 (mailboxes, documents,…) to new 64 bit server with Zimbra 8.0. STEP BY STEP GUIDE 1. PREPARE OLD SERVER name: mail.domain.tld OS: Centos 5.8 32 bit Zimbra: Zimbra 7.2.0 [zimbra@oldserver ~]$ cat /etc/redhat-release CentOS release 5.8 (Final) [zimbra@oldserver ~]$ zmcontrol -v Release 7.2.0_GA_2669.RHEL5_20120410001957 CentOS5 FOSS edition. UPGRADE to latest…
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secure ftp server on centos
Prerequisites: 1. open external firewall (cisco, linksys,…) ports 20, 21, 990 and port range 49500:50000 to the local FTP server 192.168.xx.yy * port range ports can be random ports higher than 49151 and lower than 65535 2. open firewall for port 20,21,990 and port range 49500:50000 on ftp server # vim /etc/sysconfig/iptables -A RH-Firewall-1-INPUT -p…