Zimbra : Guide to IMAPSync
The Guide Before you can use imapsync you must have both the source IMAP message store and ZCS up running and accessible to user accounts via IMAP. You can check …
Zimbra : Guide to IMAPSync Read MoreAuthor: jason
How to Install and Use Imapsync on CentOS & Fedora
Imapsync is an IMAP transfer tool used for copying emails from one IMAP server to another IMAP server. This article will help you to install imapsync on Ubuntu, Debian, and …
How to Install and Use Imapsync on CentOS & Fedora Read Morefree up not used space on a qcow2-image-file on kvm/qemu
The image will not shrink automatically, since when you delete files, you don’t actually delete data (this is why undelete works). Qemu has a facility to shrink qcow2 images back, …
free up not used space on a qcow2-image-file on kvm/qemu Read MoreHow to Fix Nf_conntrack Table Full Dropping Packet
Issue Packet drops on this system for connections using ip_conntrack or nf_conntrack. Following messages seen in /var/log/kern on the centos nodes when one of the instances drops packets: $ tail …
How to Fix Nf_conntrack Table Full Dropping Packet Read MoreHow To Add Swap Space on CentOS 7
Swap is a space on a disk that is used when the amount of physical RAM memory is full. When a Linux system runs out of RAM, inactive pages are …
How To Add Swap Space on CentOS 7 Read MoreRelay Tips Based on User/Domain Receiver on Zimbra 8
I have a condition where my customers cannot sending email for some domain by directly. I give an advice to them for using Relay for all external delivery. But they do …
Relay Tips Based on User/Domain Receiver on Zimbra 8 Read MoreZIMBRA: Network Service Error has occurred due to suspended IP addresses
Problem The webclient shows “HTTP/1.1 503 Service Unavailable”, and the /opt/zimbra/log/mailbox.log file has the following error: 2016-06-02 10:15:33,436 INFO [qtp509886383-1033602:http://127.0.0.1:80/service/soap/AuthRequest] [] misc – Access to IP 10.10.10.3suspended, for repeated failed …
ZIMBRA: Network Service Error has occurred due to suspended IP addresses Read MoreMariadb 10.2 – Disabling Strict Mode
On my install, as well as an /etc/my.cnf , I found a /usr/my.cnf file that is read after the /etc/my.cnf I added the line Code: sql_mode=”” as the last line …
Mariadb 10.2 – Disabling Strict Mode Read MoreZimbra Proxy Manual: Advanced Proxy Configuration Examples via CLI
Set Up a Single Node If Zimbra proxy is installed with Zimbra Collaboration on the same server, do the following. 1. Enable the proxy for the web. /opt/zimbra/libexec/zmproxyconfig -e -m …
Zimbra Proxy Manual: Advanced Proxy Configuration Examples via CLI Read MoreHow to view and clear Bind DNS server’s cache on Linux
Contents 1. View cache 2. Clear cache View cache A configured domain name service ( DNS ) server such as Bind may store previously resolved domain names to a local cache. By …
How to view and clear Bind DNS server’s cache on Linux Read More